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_PUPT.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Octopussy.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:51:47,893 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:51:47,895 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:51:47,916 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:51:47,916 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:51:47,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:51:47,919 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:51:47,921 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:51:47,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:51:47,925 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:51:47,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:51:47,927 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:51:47,928 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:51:47,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:51:47,930 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:51:47,934 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:51:47,935 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:51:47,938 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:51:47,948 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:51:47,949 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:51:47,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:51:47,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:51:47,960 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:51:47,960 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:51:47,961 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:51:47,963 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:51:47,963 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:51:47,965 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:51:47,965 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:51:47,966 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:51:47,967 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:51:47,967 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:51:47,968 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:51:47,968 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:51:47,969 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:51:47,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:51:47,970 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 10:51:47,984 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:51:47,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:51:47,986 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:51:47,986 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:51:47,986 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:51:47,987 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:51:47,987 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:51:47,987 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:51:47,987 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:51:47,987 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:51:47,988 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:51:47,988 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:51:47,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:51:47,988 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:51:47,988 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:51:47,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:51:47,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:51:47,989 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:51:47,989 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:51:47,989 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 10:51:47,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:51:47,990 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:51:47,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:51:47,990 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:51:47,990 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:51:47,991 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:51:47,991 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:51:47,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:51:47,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:51:47,991 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:51:48,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:51:48,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:51:48,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:51:48,054 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:51:48,055 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:51:48,056 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Octopussy.bpl [2018-10-04 10:51:48,056 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Octopussy.bpl' [2018-10-04 10:51:48,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:51:48,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:51:48,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:51:48,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:51:48,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:51:48,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,145 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 10:51:48,145 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 10:51:48,145 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 10:51:48,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:51:48,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:51:48,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:51:48,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:51:48,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:51:48,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:51:48,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:51:48,175 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:51:48,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:51:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:51:48,254 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 10:51:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 10:51:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 10:51:48,462 INFO L338 CfgBuilder]: Using library mode [2018-10-04 10:51:48,463 INFO L202 PluginConnector]: Adding new model Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:51:48 BoogieIcfgContainer [2018-10-04 10:51:48,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:51:48,463 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:51:48,464 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:51:48,475 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:51:48,476 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:51:48" (1/1) ... [2018-10-04 10:51:48,490 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 10:51:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:48,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-04 10:51:48,534 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-04 10:51:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 10:51:48,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-04 10:51:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-04 10:51:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:51:49,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-10-04 10:51:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-10-04 10:51:49,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:51:49,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-10-04 10:51:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-10-04 10:51:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:51:49,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 10 states and 16 transitions. [2018-10-04 10:51:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 16 transitions. [2018-10-04 10:51:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:51:50,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:50,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:50,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2018-10-04 10:51:50,772 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2018-10-04 10:51:50,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:51:50,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:51,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2018-10-04 10:51:51,130 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2018-10-04 10:51:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:51:51,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:51,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2018-10-04 10:51:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2018-10-04 10:51:51,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:51:51,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 14 states and 24 transitions. [2018-10-04 10:51:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2018-10-04 10:51:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:51:51,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2018-10-04 10:51:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2018-10-04 10:51:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:51:52,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:52,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 16 states and 28 transitions. [2018-10-04 10:51:52,381 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2018-10-04 10:51:52,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:51:52,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2018-10-04 10:51:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2018-10-04 10:51:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:51:53,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2018-10-04 10:51:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2018-10-04 10:51:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:51:53,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2018-10-04 10:51:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2018-10-04 10:51:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:51:54,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 36 transitions. [2018-10-04 10:51:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 36 transitions. [2018-10-04 10:51:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:51:54,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 21 states and 38 transitions. [2018-10-04 10:51:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 38 transitions. [2018-10-04 10:51:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:51:54,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:55,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 22 states and 40 transitions. [2018-10-04 10:51:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 40 transitions. [2018-10-04 10:51:55,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:51:55,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2018-10-04 10:51:55,463 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2018-10-04 10:51:55,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:51:55,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:55,584 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2018-10-04 10:51:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2018-10-04 10:51:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:51:55,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 25 states and 46 transitions. [2018-10-04 10:51:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 46 transitions. [2018-10-04 10:51:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:51:56,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2018-10-04 10:51:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2018-10-04 10:51:56,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:51:56,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:57,059 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2018-10-04 10:51:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2018-10-04 10:51:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:51:57,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2018-10-04 10:51:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2018-10-04 10:51:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 10:51:57,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:58,697 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 25 new depth: 24 [2018-10-04 10:51:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2018-10-04 10:51:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2018-10-04 10:51:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:51:58,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:59,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2018-10-04 10:51:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2018-10-04 10:51:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 10:51:59,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2018-10-04 10:51:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2018-10-04 10:51:59,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:51:59,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:59,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:59,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2018-10-04 10:51:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2018-10-04 10:51:59,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:51:59,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2018-10-04 10:52:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2018-10-04 10:52:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:52:00,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2018-10-04 10:52:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2018-10-04 10:52:01,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 10:52:01,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 66 transitions. [2018-10-04 10:52:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2018-10-04 10:52:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:52:02,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:03,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2018-10-04 10:52:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2018-10-04 10:52:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 10:52:03,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2018-10-04 10:52:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2018-10-04 10:52:03,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:52:03,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2018-10-04 10:52:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2018-10-04 10:52:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 10:52:04,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2018-10-04 10:52:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2018-10-04 10:52:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:52:05,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2018-10-04 10:52:05,907 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2018-10-04 10:52:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 10:52:05,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:06,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 78 transitions. [2018-10-04 10:52:06,370 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2018-10-04 10:52:06,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:52:06,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:07,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2018-10-04 10:52:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2018-10-04 10:52:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 10:52:07,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2018-10-04 10:52:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2018-10-04 10:52:07,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:52:07,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 84 transitions. [2018-10-04 10:52:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 84 transitions. [2018-10-04 10:52:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 10:52:08,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 86 transitions. [2018-10-04 10:52:08,691 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2018-10-04 10:52:08,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:52:08,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-10-04 10:52:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-10-04 10:52:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 10:52:09,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:10,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:10,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2018-10-04 10:52:10,822 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2018-10-04 10:52:10,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:52:10,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 48 states and 92 transitions. [2018-10-04 10:52:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 92 transitions. [2018-10-04 10:52:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:52:12,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:12,652 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 44 new depth: 44 [2018-10-04 10:52:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:13,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:13,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 94 transitions. [2018-10-04 10:52:13,010 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2018-10-04 10:52:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:52:13,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 96 transitions. [2018-10-04 10:52:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 96 transitions. [2018-10-04 10:52:14,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 10:52:14,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:15,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2018-10-04 10:52:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2018-10-04 10:52:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:52:15,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2018-10-04 10:52:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2018-10-04 10:52:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 10:52:15,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 102 transitions. [2018-10-04 10:52:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2018-10-04 10:52:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:52:17,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:17,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2018-10-04 10:52:17,658 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2018-10-04 10:52:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 10:52:17,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:18,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 55 states and 106 transitions. [2018-10-04 10:52:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 106 transitions. [2018-10-04 10:52:18,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:52:18,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2018-10-04 10:52:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2018-10-04 10:52:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:52:19,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 57 states and 110 transitions. [2018-10-04 10:52:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 110 transitions. [2018-10-04 10:52:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:52:20,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2018-10-04 10:52:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2018-10-04 10:52:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:52:21,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 59 states and 114 transitions. [2018-10-04 10:52:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 114 transitions. [2018-10-04 10:52:21,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:52:21,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:22,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:22,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-04 10:52:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-04 10:52:22,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 10:52:22,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 61 states and 118 transitions. [2018-10-04 10:52:23,205 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2018-10-04 10:52:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:52:23,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 120 transitions. [2018-10-04 10:52:23,926 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 120 transitions. [2018-10-04 10:52:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 10:52:23,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 122 transitions. [2018-10-04 10:52:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 122 transitions. [2018-10-04 10:52:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:52:24,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 64 states and 124 transitions. [2018-10-04 10:52:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 124 transitions. [2018-10-04 10:52:25,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 10:52:25,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:26,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 65 states and 126 transitions. [2018-10-04 10:52:26,575 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 126 transitions. [2018-10-04 10:52:26,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:52:26,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 66 states and 128 transitions. [2018-10-04 10:52:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 128 transitions. [2018-10-04 10:52:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:52:27,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:29,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2018-10-04 10:52:29,236 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2018-10-04 10:52:29,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:52:29,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:29,869 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 63 new depth: 63 [2018-10-04 10:52:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 132 transitions. [2018-10-04 10:52:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2018-10-04 10:52:30,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 10:52:30,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:34,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 69 states and 134 transitions. [2018-10-04 10:52:34,303 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 134 transitions. [2018-10-04 10:52:34,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:52:34,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:35,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:35,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2018-10-04 10:52:35,051 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2018-10-04 10:52:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 10:52:35,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2018-10-04 10:52:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2018-10-04 10:52:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:52:35,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2018-10-04 10:52:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2018-10-04 10:52:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 10:52:36,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 142 transitions. [2018-10-04 10:52:37,218 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2018-10-04 10:52:37,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:52:37,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:38,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:38,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 144 transitions. [2018-10-04 10:52:38,193 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 144 transitions. [2018-10-04 10:52:38,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 10:52:38,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 75 states and 146 transitions. [2018-10-04 10:52:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 146 transitions. [2018-10-04 10:52:38,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:52:38,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 76 states and 148 transitions. [2018-10-04 10:52:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 148 transitions. [2018-10-04 10:52:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 10:52:39,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:40,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:40,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 77 states and 150 transitions. [2018-10-04 10:52:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions. [2018-10-04 10:52:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 10:52:40,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 78 states and 152 transitions. [2018-10-04 10:52:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 152 transitions. [2018-10-04 10:52:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 10:52:41,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:42,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 79 states and 154 transitions. [2018-10-04 10:52:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 154 transitions. [2018-10-04 10:52:42,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 10:52:42,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 80 states and 156 transitions. [2018-10-04 10:52:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 156 transitions. [2018-10-04 10:52:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 10:52:43,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 158 transitions. [2018-10-04 10:52:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 158 transitions. [2018-10-04 10:52:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 10:52:44,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 82 states and 160 transitions. [2018-10-04 10:52:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 160 transitions. [2018-10-04 10:52:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 10:52:44,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 83 states and 162 transitions. [2018-10-04 10:52:45,759 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 162 transitions. [2018-10-04 10:52:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 10:52:45,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 164 transitions. [2018-10-04 10:52:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2018-10-04 10:52:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 10:52:46,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 85 states and 166 transitions. [2018-10-04 10:52:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 166 transitions. [2018-10-04 10:52:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:52:47,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 86 states and 168 transitions. [2018-10-04 10:52:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 168 transitions. [2018-10-04 10:52:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 10:52:48,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 87 states and 170 transitions. [2018-10-04 10:52:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 170 transitions. [2018-10-04 10:52:49,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:52:49,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 88 states and 172 transitions. [2018-10-04 10:52:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 172 transitions. [2018-10-04 10:52:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 10:52:50,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 89 states and 174 transitions. [2018-10-04 10:52:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 174 transitions. [2018-10-04 10:52:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:52:51,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:53,143 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 85 new depth: 85 [2018-10-04 10:52:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 90 states and 176 transitions. [2018-10-04 10:52:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 176 transitions. [2018-10-04 10:52:53,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 10:52:53,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:54,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 91 states and 178 transitions. [2018-10-04 10:52:54,733 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 178 transitions. [2018-10-04 10:52:54,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 10:52:54,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 92 states and 180 transitions. [2018-10-04 10:52:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 180 transitions. [2018-10-04 10:52:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 10:52:55,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:56,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 93 states and 182 transitions. [2018-10-04 10:52:56,681 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 182 transitions. [2018-10-04 10:52:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 10:52:56,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:57,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:57,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 94 states and 184 transitions. [2018-10-04 10:52:57,686 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 184 transitions. [2018-10-04 10:52:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 10:52:57,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 95 states and 186 transitions. [2018-10-04 10:52:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 186 transitions. [2018-10-04 10:52:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 10:52:58,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:59,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 96 states and 188 transitions. [2018-10-04 10:52:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 188 transitions. [2018-10-04 10:52:59,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 10:52:59,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:00,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 97 states and 190 transitions. [2018-10-04 10:53:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 190 transitions. [2018-10-04 10:53:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 10:53:00,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 98 states and 192 transitions. [2018-10-04 10:53:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 192 transitions. [2018-10-04 10:53:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 10:53:01,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:02,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 99 states and 194 transitions. [2018-10-04 10:53:02,870 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 194 transitions. [2018-10-04 10:53:02,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 10:53:02,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:03,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 100 states and 196 transitions. [2018-10-04 10:53:03,892 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 196 transitions. [2018-10-04 10:53:03,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 10:53:03,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 101 states and 198 transitions. [2018-10-04 10:53:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 198 transitions. [2018-10-04 10:53:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 10:53:04,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:06,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:06,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 102 states and 200 transitions. [2018-10-04 10:53:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 200 transitions. [2018-10-04 10:53:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 10:53:06,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 103 states and 202 transitions. [2018-10-04 10:53:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 202 transitions. [2018-10-04 10:53:07,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 10:53:07,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 104 states and 204 transitions. [2018-10-04 10:53:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 204 transitions. [2018-10-04 10:53:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 10:53:08,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:09,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 105 states and 206 transitions. [2018-10-04 10:53:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 206 transitions. [2018-10-04 10:53:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 10:53:09,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:10,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 106 states and 208 transitions. [2018-10-04 10:53:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 208 transitions. [2018-10-04 10:53:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 10:53:10,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:11,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 107 states and 210 transitions. [2018-10-04 10:53:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 210 transitions. [2018-10-04 10:53:11,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 10:53:11,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 108 states and 212 transitions. [2018-10-04 10:53:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 212 transitions. [2018-10-04 10:53:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-04 10:53:12,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 109 states and 214 transitions. [2018-10-04 10:53:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 214 transitions. [2018-10-04 10:53:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 10:53:13,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:14,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 110 states and 216 transitions. [2018-10-04 10:53:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 216 transitions. [2018-10-04 10:53:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-04 10:53:14,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:15,726 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 106 new depth: 106 [2018-10-04 10:53:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:16,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 111 states and 218 transitions. [2018-10-04 10:53:16,575 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 218 transitions. [2018-10-04 10:53:16,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 10:53:16,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 112 states and 220 transitions. [2018-10-04 10:53:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 220 transitions. [2018-10-04 10:53:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-04 10:53:17,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 113 states and 222 transitions. [2018-10-04 10:53:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 222 transitions. [2018-10-04 10:53:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 10:53:18,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:20,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:20,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 114 states and 224 transitions. [2018-10-04 10:53:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 224 transitions. [2018-10-04 10:53:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-04 10:53:20,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:21,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 115 states and 226 transitions. [2018-10-04 10:53:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 226 transitions. [2018-10-04 10:53:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 10:53:21,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:22,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:22,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 116 states and 228 transitions. [2018-10-04 10:53:22,484 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 228 transitions. [2018-10-04 10:53:22,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-04 10:53:22,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 117 states and 230 transitions. [2018-10-04 10:53:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 230 transitions. [2018-10-04 10:53:23,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 10:53:23,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:24,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:25,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:25,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 118 states and 232 transitions. [2018-10-04 10:53:25,118 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 232 transitions. [2018-10-04 10:53:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-04 10:53:25,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:26,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 119 states and 234 transitions. [2018-10-04 10:53:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 234 transitions. [2018-10-04 10:53:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-04 10:53:26,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:27,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 120 states and 236 transitions. [2018-10-04 10:53:27,986 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 236 transitions. [2018-10-04 10:53:27,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-04 10:53:27,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:29,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 121 states and 238 transitions. [2018-10-04 10:53:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 238 transitions. [2018-10-04 10:53:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 10:53:29,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:30,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 122 states and 240 transitions. [2018-10-04 10:53:30,635 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 240 transitions. [2018-10-04 10:53:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-04 10:53:30,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 123 states and 242 transitions. [2018-10-04 10:53:31,894 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 242 transitions. [2018-10-04 10:53:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 10:53:31,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:33,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 124 states and 244 transitions. [2018-10-04 10:53:33,201 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 244 transitions. [2018-10-04 10:53:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-04 10:53:33,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:34,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 125 states and 246 transitions. [2018-10-04 10:53:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 246 transitions. [2018-10-04 10:53:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-04 10:53:34,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:35,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 126 states and 248 transitions. [2018-10-04 10:53:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 248 transitions. [2018-10-04 10:53:35,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-04 10:53:35,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 127 states and 250 transitions. [2018-10-04 10:53:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 250 transitions. [2018-10-04 10:53:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-04 10:53:37,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:38,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 128 states and 252 transitions. [2018-10-04 10:53:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 252 transitions. [2018-10-04 10:53:38,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-04 10:53:38,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:38,915 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 129 states and 254 transitions. [2018-10-04 10:53:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 254 transitions. [2018-10-04 10:53:39,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-04 10:53:39,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 130 states and 256 transitions. [2018-10-04 10:53:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 256 transitions. [2018-10-04 10:53:41,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-04 10:53:41,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 131 states and 258 transitions. [2018-10-04 10:53:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 258 transitions. [2018-10-04 10:53:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-04 10:53:42,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:43,566 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 127 new depth: 127 [2018-10-04 10:53:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:44,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 132 states and 260 transitions. [2018-10-04 10:53:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 260 transitions. [2018-10-04 10:53:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-04 10:53:44,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:45,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 133 states and 262 transitions. [2018-10-04 10:53:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 262 transitions. [2018-10-04 10:53:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 10:53:46,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:47,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 134 states and 264 transitions. [2018-10-04 10:53:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 264 transitions. [2018-10-04 10:53:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-04 10:53:47,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 135 states and 266 transitions. [2018-10-04 10:53:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 266 transitions. [2018-10-04 10:53:48,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 10:53:48,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 136 states and 268 transitions. [2018-10-04 10:53:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 268 transitions. [2018-10-04 10:53:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-04 10:53:50,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 137 states and 270 transitions. [2018-10-04 10:53:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 270 transitions. [2018-10-04 10:53:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-04 10:53:51,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:53,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 138 states and 272 transitions. [2018-10-04 10:53:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 272 transitions. [2018-10-04 10:53:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-04 10:53:53,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 139 states and 274 transitions. [2018-10-04 10:53:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 274 transitions. [2018-10-04 10:53:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 10:53:54,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:56,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:56,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 140 states and 276 transitions. [2018-10-04 10:53:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 276 transitions. [2018-10-04 10:53:56,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-04 10:53:56,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 141 states and 278 transitions. [2018-10-04 10:53:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 278 transitions. [2018-10-04 10:53:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-04 10:53:57,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:53:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:53:59,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 142 states and 280 transitions. [2018-10-04 10:53:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 280 transitions. [2018-10-04 10:53:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-04 10:53:59,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:53:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:53:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:00,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:00,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 143 states and 282 transitions. [2018-10-04 10:54:00,926 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 282 transitions. [2018-10-04 10:54:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-04 10:54:00,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:02,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:02,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 144 states and 284 transitions. [2018-10-04 10:54:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 284 transitions. [2018-10-04 10:54:02,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-04 10:54:02,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:02,889 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 145 states and 286 transitions. [2018-10-04 10:54:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 286 transitions. [2018-10-04 10:54:04,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 10:54:04,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 146 states and 288 transitions. [2018-10-04 10:54:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 288 transitions. [2018-10-04 10:54:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-04 10:54:05,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 147 states and 290 transitions. [2018-10-04 10:54:07,209 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 290 transitions. [2018-10-04 10:54:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 10:54:07,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 148 states and 292 transitions. [2018-10-04 10:54:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 292 transitions. [2018-10-04 10:54:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-04 10:54:08,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 149 states and 294 transitions. [2018-10-04 10:54:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 294 transitions. [2018-10-04 10:54:10,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-04 10:54:10,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 150 states and 296 transitions. [2018-10-04 10:54:12,093 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 296 transitions. [2018-10-04 10:54:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-04 10:54:12,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:13,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 151 states and 298 transitions. [2018-10-04 10:54:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 298 transitions. [2018-10-04 10:54:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-04 10:54:13,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 152 states and 300 transitions. [2018-10-04 10:54:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 300 transitions. [2018-10-04 10:54:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-04 10:54:15,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:17,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 153 states and 302 transitions. [2018-10-04 10:54:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 302 transitions. [2018-10-04 10:54:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-04 10:54:17,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 154 states and 304 transitions. [2018-10-04 10:54:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 304 transitions. [2018-10-04 10:54:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-04 10:54:18,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:19,212 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:20,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 155 states and 306 transitions. [2018-10-04 10:54:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 306 transitions. [2018-10-04 10:54:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-04 10:54:20,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:21,469 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 151 new depth: 150 [2018-10-04 10:54:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 156 states and 308 transitions. [2018-10-04 10:54:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 308 transitions. [2018-10-04 10:54:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-04 10:54:22,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 157 states and 310 transitions. [2018-10-04 10:54:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 310 transitions. [2018-10-04 10:54:24,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-04 10:54:24,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:26,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 158 states and 312 transitions. [2018-10-04 10:54:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 312 transitions. [2018-10-04 10:54:26,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-04 10:54:26,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 159 states and 314 transitions. [2018-10-04 10:54:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 314 transitions. [2018-10-04 10:54:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-04 10:54:27,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:28,329 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 160 states and 316 transitions. [2018-10-04 10:54:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 316 transitions. [2018-10-04 10:54:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-04 10:54:29,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 11935 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 161 states and 318 transitions. [2018-10-04 10:54:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 318 transitions. [2018-10-04 10:54:31,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-04 10:54:31,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:31,811 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 162 states and 320 transitions. [2018-10-04 10:54:33,095 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 320 transitions. [2018-10-04 10:54:33,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-04 10:54:33,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12246 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 163 states and 322 transitions. [2018-10-04 10:54:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 322 transitions. [2018-10-04 10:54:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-04 10:54:34,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12403 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 164 states and 324 transitions. [2018-10-04 10:54:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 324 transitions. [2018-10-04 10:54:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-04 10:54:36,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:37,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12561 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 165 states and 326 transitions. [2018-10-04 10:54:38,376 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 326 transitions. [2018-10-04 10:54:38,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-04 10:54:38,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12720 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 166 states and 328 transitions. [2018-10-04 10:54:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 328 transitions. [2018-10-04 10:54:40,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-04 10:54:40,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12880 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 167 states and 330 transitions. [2018-10-04 10:54:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 330 transitions. [2018-10-04 10:54:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-04 10:54:42,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 168 states and 332 transitions. [2018-10-04 10:54:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 332 transitions. [2018-10-04 10:54:43,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-04 10:54:43,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 169 states and 334 transitions. [2018-10-04 10:54:45,707 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 334 transitions. [2018-10-04 10:54:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-04 10:54:45,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 13366 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 170 states and 336 transitions. [2018-10-04 10:54:47,571 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 336 transitions. [2018-10-04 10:54:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-04 10:54:47,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 13530 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 171 states and 338 transitions. [2018-10-04 10:54:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 338 transitions. [2018-10-04 10:54:49,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-04 10:54:49,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 13695 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 172 states and 340 transitions. [2018-10-04 10:54:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 340 transitions. [2018-10-04 10:54:51,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-04 10:54:51,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 13861 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 173 states and 342 transitions. [2018-10-04 10:54:53,201 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 342 transitions. [2018-10-04 10:54:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-04 10:54:53,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14028 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 174 states and 344 transitions. [2018-10-04 10:54:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 344 transitions. [2018-10-04 10:54:55,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-04 10:54:55,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 14196 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 175 states and 346 transitions. [2018-10-04 10:54:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 346 transitions. [2018-10-04 10:54:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-04 10:54:57,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:54:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:54:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 176 states and 348 transitions. [2018-10-04 10:54:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 348 transitions. [2018-10-04 10:54:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-04 10:54:59,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:54:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:54:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 14535 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:00,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:00,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 177 states and 350 transitions. [2018-10-04 10:55:00,990 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 350 transitions. [2018-10-04 10:55:00,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-04 10:55:00,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:02,249 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 173 new depth: 172 [2018-10-04 10:55:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14706 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:03,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:03,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 178 states and 352 transitions. [2018-10-04 10:55:03,750 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 352 transitions. [2018-10-04 10:55:03,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-04 10:55:03,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 179 states and 354 transitions. [2018-10-04 10:55:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 354 transitions. [2018-10-04 10:55:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-04 10:55:05,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 180 states and 356 transitions. [2018-10-04 10:55:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 356 transitions. [2018-10-04 10:55:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-04 10:55:07,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 15225 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 181 states and 358 transitions. [2018-10-04 10:55:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 358 transitions. [2018-10-04 10:55:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-04 10:55:09,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15400 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 182 states and 360 transitions. [2018-10-04 10:55:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 360 transitions. [2018-10-04 10:55:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-04 10:55:11,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:13,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 183 states and 362 transitions. [2018-10-04 10:55:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 362 transitions. [2018-10-04 10:55:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-04 10:55:13,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 15753 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:16,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 184 states and 364 transitions. [2018-10-04 10:55:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 364 transitions. [2018-10-04 10:55:16,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-04 10:55:16,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 15931 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 185 states and 366 transitions. [2018-10-04 10:55:18,183 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 366 transitions. [2018-10-04 10:55:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-04 10:55:18,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 16110 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 186 states and 368 transitions. [2018-10-04 10:55:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 368 transitions. [2018-10-04 10:55:20,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-04 10:55:20,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 16290 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 187 states and 370 transitions. [2018-10-04 10:55:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 370 transitions. [2018-10-04 10:55:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-04 10:55:22,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 16471 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 188 states and 372 transitions. [2018-10-04 10:55:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 372 transitions. [2018-10-04 10:55:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-04 10:55:24,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:25,258 INFO L134 CoverageAnalysis]: Checked inductivity of 16653 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 189 states and 374 transitions. [2018-10-04 10:55:26,789 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 374 transitions. [2018-10-04 10:55:26,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-04 10:55:26,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:28,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 190 states and 376 transitions. [2018-10-04 10:55:28,977 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 376 transitions. [2018-10-04 10:55:28,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-04 10:55:28,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 191 states and 378 transitions. [2018-10-04 10:55:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 378 transitions. [2018-10-04 10:55:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-04 10:55:31,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:33,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 192 states and 380 transitions. [2018-10-04 10:55:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 380 transitions. [2018-10-04 10:55:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-04 10:55:33,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 17391 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:35,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 193 states and 382 transitions. [2018-10-04 10:55:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 382 transitions. [2018-10-04 10:55:35,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-04 10:55:35,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 17578 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 194 states and 384 transitions. [2018-10-04 10:55:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 384 transitions. [2018-10-04 10:55:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-04 10:55:37,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:40,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 195 states and 386 transitions. [2018-10-04 10:55:40,081 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 386 transitions. [2018-10-04 10:55:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-04 10:55:40,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 17955 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 196 states and 388 transitions. [2018-10-04 10:55:42,327 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 388 transitions. [2018-10-04 10:55:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-04 10:55:42,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 18145 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 197 states and 390 transitions. [2018-10-04 10:55:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 390 transitions. [2018-10-04 10:55:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-04 10:55:44,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 18336 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:46,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 198 states and 392 transitions. [2018-10-04 10:55:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 392 transitions. [2018-10-04 10:55:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-04 10:55:46,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 18528 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:55:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:55:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 199 states and 394 transitions. [2018-10-04 10:55:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 394 transitions. [2018-10-04 10:55:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-04 10:55:49,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:55:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-04 10:55:50,869 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 195 new depth: 195 [2018-10-04 10:55:50,870 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-04 10:55:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:55:51,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:55:51,058 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-04 10:55:51,058 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 10:55:51,061 INFO L168 Benchmark]: Toolchain (without parser) took 242956.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 712.0 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 64.3 MB). Peak memory consumption was 776.3 MB. Max. memory is 7.1 GB. [2018-10-04 10:55:51,062 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:55:51,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:55:51,063 INFO L168 Benchmark]: Boogie Preprocessor took 25.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:55:51,064 INFO L168 Benchmark]: RCFGBuilder took 288.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:55:51,064 INFO L168 Benchmark]: CodeCheck took 242596.13 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 712.0 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 43.1 MB). Peak memory consumption was 755.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:55:51,073 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 288.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 242596.13 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 712.0 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 43.1 MB). Peak memory consumption was 755.1 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/Octopussy.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-55-51-092.csv Completed graceful shutdown