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/HiddenEqualityWithBranches.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 13:23:04,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:23:04,837 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:23:04,854 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:23:04,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:23:04,857 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:23:04,859 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:23:04,860 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:23:04,862 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:23:04,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:23:04,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:23:04,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:23:04,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:23:04,866 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:23:04,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:23:04,868 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:23:04,869 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:23:04,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:23:04,873 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:23:04,874 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:23:04,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:23:04,878 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:23:04,884 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:23:04,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:23:04,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:23:04,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:23:04,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:23:04,888 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:23:04,889 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:23:04,890 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:23:04,890 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:23:04,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:23:04,891 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:23:04,891 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:23:04,892 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:23:04,893 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:23:04,893 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 [2018-10-02 13:23:04,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:23:04,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:23:04,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:23:04,921 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:23:04,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:23:04,921 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:23:04,922 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:23:04,922 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:23:04,922 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:23:04,922 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:23:04,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:23:04,923 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:23:04,923 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:23:04,923 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:23:04,923 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:23:04,923 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:23:04,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:23:04,924 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:23:04,924 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:23:04,924 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:23:04,924 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:23:04,924 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:23:04,925 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:23:04,925 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:23:04,925 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:23:04,925 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:23:04,926 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:23:04,926 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:23:04,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:23:04,926 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:23:04,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:23:04,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:23:04,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:23:05,000 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:23:05,001 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:23:05,001 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-10-02 13:23:05,002 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-10-02 13:23:05,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:23:05,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:23:05,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:23:05,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:23:05,057 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:23:05,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,094 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 13:23:05,095 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 13:23:05,095 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 13:23:05,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:23:05,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:23:05,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:23:05,098 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:23:05,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:23:05,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:23:05,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:23:05,120 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:23:05,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:23:05" (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 [2018-10-02 13:23:05,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-02 13:23:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-02 13:23:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-02 13:23:05,486 INFO L337 CfgBuilder]: Using library mode [2018-10-02 13:23:05,486 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:23:05 BoogieIcfgContainer [2018-10-02 13:23:05,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:23:05,487 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:23:05,488 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:23:05,511 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:23:05,511 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:23:05" (1/1) ... [2018-10-02 13:23:05,531 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:23:05,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-02 13:23:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-02 13:23:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-02 13:23:05,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:05,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-02 13:23:05,997 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-02 13:23:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 13:23:05,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:06,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-02 13:23:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-02 13:23:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 13:23:06,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:07,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 7 states and 13 transitions. [2018-10-02 13:23:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 13 transitions. [2018-10-02 13:23:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 13:23:07,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:07,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-02 13:23:07,807 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-02 13:23:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:23:07,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-02 13:23:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-02 13:23:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 13:23:08,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:08,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 10 states and 22 transitions. [2018-10-02 13:23:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 22 transitions. [2018-10-02 13:23:08,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 13:23:08,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:09,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 11 states and 25 transitions. [2018-10-02 13:23:09,361 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 25 transitions. [2018-10-02 13:23:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 13:23:09,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 12 states and 28 transitions. [2018-10-02 13:23:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 28 transitions. [2018-10-02 13:23:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 13:23:09,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:10,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 13 states and 31 transitions. [2018-10-02 13:23:10,679 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 31 transitions. [2018-10-02 13:23:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 13:23:10,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 14 states and 34 transitions. [2018-10-02 13:23:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 34 transitions. [2018-10-02 13:23:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:23:11,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-10-02 13:23:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-10-02 13:23:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 13:23:12,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:12,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 16 states and 40 transitions. [2018-10-02 13:23:12,742 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 40 transitions. [2018-10-02 13:23:12,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 13:23:12,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:13,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:13,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 43 transitions. [2018-10-02 13:23:13,498 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 43 transitions. [2018-10-02 13:23:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 13:23:13,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-02 13:23:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-02 13:23:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 13:23:14,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:14,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-02 13:23:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-02 13:23:14,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 13:23:14,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 20 states and 52 transitions. [2018-10-02 13:23:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 52 transitions. [2018-10-02 13:23:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:23:15,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 55 transitions. [2018-10-02 13:23:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-10-02 13:23:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 13:23:16,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 22 states and 58 transitions. [2018-10-02 13:23:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 58 transitions. [2018-10-02 13:23:17,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:23:17,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2018-10-02 13:23:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2018-10-02 13:23:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 13:23:18,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:19,427 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 24 states and 64 transitions. [2018-10-02 13:23:19,974 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 64 transitions. [2018-10-02 13:23:19,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 13:23:19,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2018-10-02 13:23:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2018-10-02 13:23:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 13:23:20,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:21,193 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 26 states and 70 transitions. [2018-10-02 13:23:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 70 transitions. [2018-10-02 13:23:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 13:23:21,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 27 states and 73 transitions. [2018-10-02 13:23:23,113 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 73 transitions. [2018-10-02 13:23:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-02 13:23:23,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:24,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 28 states and 76 transitions. [2018-10-02 13:23:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 76 transitions. [2018-10-02 13:23:24,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 13:23:24,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:25,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:25,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 79 transitions. [2018-10-02 13:23:25,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 79 transitions. [2018-10-02 13:23:25,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 13:23:25,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 30 states and 82 transitions. [2018-10-02 13:23:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 82 transitions. [2018-10-02 13:23:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 13:23:26,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:27,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2018-10-02 13:23:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2018-10-02 13:23:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 13:23:27,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 32 states and 88 transitions. [2018-10-02 13:23:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 88 transitions. [2018-10-02 13:23:27,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 13:23:27,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:29,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 91 transitions. [2018-10-02 13:23:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 91 transitions. [2018-10-02 13:23:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 13:23:29,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 34 states and 94 transitions. [2018-10-02 13:23:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 94 transitions. [2018-10-02 13:23:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 13:23:30,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:31,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-02 13:23:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-02 13:23:31,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 13:23:31,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 36 states and 100 transitions. [2018-10-02 13:23:32,962 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 100 transitions. [2018-10-02 13:23:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 13:23:32,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 37 states and 103 transitions. [2018-10-02 13:23:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 103 transitions. [2018-10-02 13:23:34,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-02 13:23:34,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2018-10-02 13:23:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2018-10-02 13:23:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 13:23:35,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2018-10-02 13:23:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2018-10-02 13:23:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-02 13:23:37,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 40 states and 112 transitions. [2018-10-02 13:23:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 112 transitions. [2018-10-02 13:23:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 13:23:38,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 115 transitions. [2018-10-02 13:23:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 115 transitions. [2018-10-02 13:23:39,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 13:23:39,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:42,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 118 transitions. [2018-10-02 13:23:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 118 transitions. [2018-10-02 13:23:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 13:23:42,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 43 states and 121 transitions. [2018-10-02 13:23:44,026 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 121 transitions. [2018-10-02 13:23:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-02 13:23:44,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2018-10-02 13:23:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2018-10-02 13:23:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 13:23:45,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:46,207 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2018-10-02 13:23:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2018-10-02 13:23:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 13:23:47,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:49,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 46 states and 130 transitions. [2018-10-02 13:23:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 130 transitions. [2018-10-02 13:23:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 13:23:49,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-10-02 13:23:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-10-02 13:23:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 13:23:50,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2018-10-02 13:23:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2018-10-02 13:23:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 13:23:51,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 49 states and 139 transitions. [2018-10-02 13:23:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 139 transitions. [2018-10-02 13:23:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 13:23:53,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 142 transitions. [2018-10-02 13:23:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 142 transitions. [2018-10-02 13:23:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 13:23:54,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 51 states and 145 transitions. [2018-10-02 13:23:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 145 transitions. [2018-10-02 13:23:56,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-02 13:23:56,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 52 states and 148 transitions. [2018-10-02 13:23:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 148 transitions. [2018-10-02 13:23:57,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 13:23:57,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 53 states and 151 transitions. [2018-10-02 13:23:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 151 transitions. [2018-10-02 13:23:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 13:23:58,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2018-10-02 13:24:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2018-10-02 13:24:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 13:24:00,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2018-10-02 13:24:02,308 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2018-10-02 13:24:02,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 13:24:02,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:03,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 160 transitions. [2018-10-02 13:24:03,921 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 160 transitions. [2018-10-02 13:24:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 13:24:03,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 57 states and 163 transitions. [2018-10-02 13:24:05,639 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 163 transitions. [2018-10-02 13:24:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-02 13:24:05,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:07,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 58 states and 166 transitions. [2018-10-02 13:24:07,170 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 166 transitions. [2018-10-02 13:24:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 13:24:07,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2018-10-02 13:24:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2018-10-02 13:24:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 13:24:08,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 60 states and 172 transitions. [2018-10-02 13:24:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 172 transitions. [2018-10-02 13:24:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 13:24:10,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:10,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 61 states and 175 transitions. [2018-10-02 13:24:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 175 transitions. [2018-10-02 13:24:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-02 13:24:14,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:16,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2018-10-02 13:24:16,859 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2018-10-02 13:24:16,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 13:24:16,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 63 states and 181 transitions. [2018-10-02 13:24:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 181 transitions. [2018-10-02 13:24:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-02 13:24:18,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 184 transitions. [2018-10-02 13:24:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 184 transitions. [2018-10-02 13:24:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 13:24:20,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:22,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:23,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 65 states and 187 transitions. [2018-10-02 13:24:23,563 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 187 transitions. [2018-10-02 13:24:23,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-02 13:24:23,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 66 states and 190 transitions. [2018-10-02 13:24:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 190 transitions. [2018-10-02 13:24:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 13:24:25,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 67 states and 193 transitions. [2018-10-02 13:24:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 193 transitions. [2018-10-02 13:24:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-02 13:24:27,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:29,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:30,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 68 states and 196 transitions. [2018-10-02 13:24:30,702 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2018-10-02 13:24:30,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 13:24:30,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:32,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:32,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 199 transitions. [2018-10-02 13:24:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2018-10-02 13:24:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-02 13:24:32,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:34,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 70 states and 202 transitions. [2018-10-02 13:24:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 202 transitions. [2018-10-02 13:24:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 13:24:34,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 205 transitions. [2018-10-02 13:24:36,650 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2018-10-02 13:24:36,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-02 13:24:36,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 208 transitions. [2018-10-02 13:24:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 208 transitions. [2018-10-02 13:24:38,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 13:24:38,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:40,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2018-10-02 13:24:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2018-10-02 13:24:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-02 13:24:40,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 214 transitions. [2018-10-02 13:24:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 214 transitions. [2018-10-02 13:24:43,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 13:24:43,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 75 states and 217 transitions. [2018-10-02 13:24:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2018-10-02 13:24:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-02 13:24:45,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 76 states and 220 transitions. [2018-10-02 13:24:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2018-10-02 13:24:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 13:24:47,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 77 states and 223 transitions. [2018-10-02 13:24:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 223 transitions. [2018-10-02 13:24:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-02 13:24:49,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 226 transitions. [2018-10-02 13:24:52,017 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 226 transitions. [2018-10-02 13:24:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 13:24:52,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:52,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:54,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 229 transitions. [2018-10-02 13:24:54,080 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 229 transitions. [2018-10-02 13:24:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-02 13:24:54,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:56,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2018-10-02 13:24:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2018-10-02 13:24:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 13:24:56,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:58,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 81 states and 235 transitions. [2018-10-02 13:24:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 235 transitions. [2018-10-02 13:24:58,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-02 13:24:58,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:00,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2018-10-02 13:25:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2018-10-02 13:25:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 13:25:00,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2018-10-02 13:25:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2018-10-02 13:25:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-02 13:25:03,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2018-10-02 13:25:05,419 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2018-10-02 13:25:05,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 13:25:05,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:07,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 85 states and 247 transitions. [2018-10-02 13:25:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2018-10-02 13:25:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-02 13:25:07,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 250 transitions. [2018-10-02 13:25:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 250 transitions. [2018-10-02 13:25:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 13:25:10,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:12,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 253 transitions. [2018-10-02 13:25:12,679 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 253 transitions. [2018-10-02 13:25:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-02 13:25:12,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:12,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:15,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 256 transitions. [2018-10-02 13:25:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 256 transitions. [2018-10-02 13:25:15,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 13:25:15,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 89 states and 259 transitions. [2018-10-02 13:25:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 259 transitions. [2018-10-02 13:25:17,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-02 13:25:17,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:17,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 90 states and 262 transitions. [2018-10-02 13:25:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2018-10-02 13:25:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 13:25:20,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 265 transitions. [2018-10-02 13:25:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 265 transitions. [2018-10-02 13:25:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-02 13:25:22,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:25,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 268 transitions. [2018-10-02 13:25:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 268 transitions. [2018-10-02 13:25:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 13:25:25,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:25,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:27,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 93 states and 271 transitions. [2018-10-02 13:25:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2018-10-02 13:25:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-02 13:25:27,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:28,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:30,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:30,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 94 states and 274 transitions. [2018-10-02 13:25:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 274 transitions. [2018-10-02 13:25:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 13:25:30,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2018-10-02 13:25:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2018-10-02 13:25:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-02 13:25:33,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 280 transitions. [2018-10-02 13:25:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 280 transitions. [2018-10-02 13:25:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 13:25:35,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:38,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2018-10-02 13:25:38,609 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2018-10-02 13:25:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-02 13:25:38,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:41,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 98 states and 286 transitions. [2018-10-02 13:25:41,335 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2018-10-02 13:25:41,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-02 13:25:41,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:44,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2018-10-02 13:25:44,220 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2018-10-02 13:25:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-02 13:25:44,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:46,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2018-10-02 13:25:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2018-10-02 13:25:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-02 13:25:46,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 101 states and 295 transitions. [2018-10-02 13:25:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 295 transitions. [2018-10-02 13:25:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-02 13:25:50,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2018-10-02 13:25:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2018-10-02 13:25:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-02 13:25:52,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:55,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 103 states and 301 transitions. [2018-10-02 13:25:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 301 transitions. [2018-10-02 13:25:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-02 13:25:55,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 104 states and 304 transitions. [2018-10-02 13:25:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2018-10-02 13:25:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-02 13:25:58,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:26:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown