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 0.1.23-1cc990c [2018-09-30 21:53:52,877 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:53:52,879 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:53:52,890 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:53:52,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:53:52,892 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:53:52,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:53:52,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:53:52,897 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:53:52,898 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:53:52,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:53:52,899 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:53:52,900 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:53:52,901 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:53:52,902 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:53:52,903 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:53:52,903 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:53:52,905 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:53:52,907 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:53:52,909 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:53:52,910 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:53:52,911 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:53:52,914 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:53:52,914 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:53:52,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:53:52,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:53:52,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:53:52,917 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:53:52,918 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:53:52,919 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:53:52,919 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:53:52,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:53:52,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:53:52,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:53:52,922 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:53:52,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:53:52,923 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 [2018-09-30 21:53:52,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:53:52,952 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:53:52,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:53:52,953 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:53:52,956 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:53:52,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:53:52,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:53:52,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:53:52,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:53:52,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:53:52,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:53:52,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:53:52,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:53:52,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:53:52,959 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:53:52,959 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:53:52,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:53:52,960 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:53:52,960 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:53:52,960 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:53:52,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:53:52,962 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:53:52,962 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:53:52,962 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:53:52,962 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:53:52,962 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:53:52,963 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:53:52,963 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:53:52,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:53:52,963 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:53:53,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:53:53,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:53:53,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:53:53,054 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:53:53,054 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:53:53,055 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-09-30 21:53:53,055 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-09-30 21:53:53,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:53:53,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:53:53,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:53:53,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:53:53,116 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:53:53,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,151 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:53:53,152 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:53:53,152 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:53:53,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:53:53,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:53:53,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:53:53,155 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:53:53,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:53:53,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:53:53,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:53:53,176 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:53:53,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:53:53,236 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-30 21:53:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-30 21:53:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-30 21:53:53,613 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:53:53,614 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:53:53 BoogieIcfgContainer [2018-09-30 21:53:53,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:53:53,615 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:53:53,615 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:53:53,624 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:53:53,624 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:53:53" (1/1) ... [2018-09-30 21:53:53,636 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:53:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-30 21:53:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-30 21:53:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 21:53:53,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:54,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-30 21:53:54,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-30 21:53:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 21:53:54,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-09-30 21:53:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-09-30 21:53:54,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:53:54,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 7 states and 13 transitions. [2018-09-30 21:53:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 13 transitions. [2018-09-30 21:53:55,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:53:55,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:55,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-09-30 21:53:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-09-30 21:53:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:53:55,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:56,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-09-30 21:53:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-09-30 21:53:56,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:53:56,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 10 states and 22 transitions. [2018-09-30 21:53:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 22 transitions. [2018-09-30 21:53:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:53:56,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:56,944 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 11 states and 25 transitions. [2018-09-30 21:53:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 25 transitions. [2018-09-30 21:53:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:53:57,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:57,587 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:57,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 12 states and 28 transitions. [2018-09-30 21:53:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 28 transitions. [2018-09-30 21:53:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:53:57,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:58,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 13 states and 31 transitions. [2018-09-30 21:53:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 31 transitions. [2018-09-30 21:53:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:53:58,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 14 states and 34 transitions. [2018-09-30 21:53:59,195 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 34 transitions. [2018-09-30 21:53:59,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:53:59,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-09-30 21:54:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-09-30 21:54:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:54:00,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:00,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 16 states and 40 transitions. [2018-09-30 21:54:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 40 transitions. [2018-09-30 21:54:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:54:00,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 43 transitions. [2018-09-30 21:54:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 43 transitions. [2018-09-30 21:54:01,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:54:01,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:02,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-09-30 21:54:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-09-30 21:54:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:54:02,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:02,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:02,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-09-30 21:54:02,698 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-09-30 21:54:02,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:54:02,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:02,813 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:03,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 20 states and 52 transitions. [2018-09-30 21:54:03,208 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 52 transitions. [2018-09-30 21:54:03,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:54:03,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:03,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 55 transitions. [2018-09-30 21:54:03,869 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-09-30 21:54:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 21:54:03,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 22 states and 58 transitions. [2018-09-30 21:54:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 58 transitions. [2018-09-30 21:54:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:54:04,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2018-09-30 21:54:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2018-09-30 21:54:06,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:54:06,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:07,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 24 states and 64 transitions. [2018-09-30 21:54:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 64 transitions. [2018-09-30 21:54:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:54:07,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:08,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2018-09-30 21:54:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2018-09-30 21:54:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 21:54:08,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 26 states and 70 transitions. [2018-09-30 21:54:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 70 transitions. [2018-09-30 21:54:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:54:09,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 27 states and 73 transitions. [2018-09-30 21:54:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 73 transitions. [2018-09-30 21:54:10,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 21:54:10,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:11,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 28 states and 76 transitions. [2018-09-30 21:54:11,574 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 76 transitions. [2018-09-30 21:54:11,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:54:11,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 79 transitions. [2018-09-30 21:54:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 79 transitions. [2018-09-30 21:54:12,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 21:54:12,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 30 states and 82 transitions. [2018-09-30 21:54:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 82 transitions. [2018-09-30 21:54:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:54:13,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:14,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2018-09-30 21:54:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2018-09-30 21:54:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:54:14,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:15,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:15,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 32 states and 88 transitions. [2018-09-30 21:54:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 88 transitions. [2018-09-30 21:54:15,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:54:15,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:16,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 91 transitions. [2018-09-30 21:54:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 91 transitions. [2018-09-30 21:54:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 21:54:16,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:16,816 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 34 states and 94 transitions. [2018-09-30 21:54:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 94 transitions. [2018-09-30 21:54:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:54:17,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-09-30 21:54:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-09-30 21:54:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:54:19,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:21,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 36 states and 100 transitions. [2018-09-30 21:54:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 100 transitions. [2018-09-30 21:54:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:54:21,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:22,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 37 states and 103 transitions. [2018-09-30 21:54:22,251 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 103 transitions. [2018-09-30 21:54:22,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:54:22,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2018-09-30 21:54:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2018-09-30 21:54:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:54:23,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:23,532 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:24,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:24,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2018-09-30 21:54:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2018-09-30 21:54:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:54:24,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:25,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 40 states and 112 transitions. [2018-09-30 21:54:25,646 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 112 transitions. [2018-09-30 21:54:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:54:25,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 115 transitions. [2018-09-30 21:54:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 115 transitions. [2018-09-30 21:54:26,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:54:26,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:28,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 118 transitions. [2018-09-30 21:54:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 118 transitions. [2018-09-30 21:54:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:54:28,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 43 states and 121 transitions. [2018-09-30 21:54:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 121 transitions. [2018-09-30 21:54:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:54:29,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2018-09-30 21:54:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2018-09-30 21:54:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:54:31,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2018-09-30 21:54:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2018-09-30 21:54:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:54:32,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 46 states and 130 transitions. [2018-09-30 21:54:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 130 transitions. [2018-09-30 21:54:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:54:33,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-09-30 21:54:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-09-30 21:54:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:54:34,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:36,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:36,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2018-09-30 21:54:36,439 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2018-09-30 21:54:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:54:36,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 49 states and 139 transitions. [2018-09-30 21:54:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 139 transitions. [2018-09-30 21:54:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:54:37,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 142 transitions. [2018-09-30 21:54:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 142 transitions. [2018-09-30 21:54:39,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:54:39,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 51 states and 145 transitions. [2018-09-30 21:54:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 145 transitions. [2018-09-30 21:54:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:54:41,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:42,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 52 states and 148 transitions. [2018-09-30 21:54:42,462 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 148 transitions. [2018-09-30 21:54:42,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:54:42,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 53 states and 151 transitions. [2018-09-30 21:54:43,865 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 151 transitions. [2018-09-30 21:54:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:54:43,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2018-09-30 21:54:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2018-09-30 21:54:45,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:54:45,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:46,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2018-09-30 21:54:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2018-09-30 21:54:46,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 21:54:46,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 160 transitions. [2018-09-30 21:54:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 160 transitions. [2018-09-30 21:54:48,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:54:48,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 57 states and 163 transitions. [2018-09-30 21:54:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 163 transitions. [2018-09-30 21:54:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 21:54:50,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:50,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 58 states and 166 transitions. [2018-09-30 21:54:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 166 transitions. [2018-09-30 21:54:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:54:51,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:51,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2018-09-30 21:54:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2018-09-30 21:54:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 21:54:53,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:54,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 60 states and 172 transitions. [2018-09-30 21:54:54,509 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 172 transitions. [2018-09-30 21:54:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:54:54,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 61 states and 175 transitions. [2018-09-30 21:55:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 175 transitions. [2018-09-30 21:55:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 21:55:05,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:05,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2018-09-30 21:55:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2018-09-30 21:55:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:55:07,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:07,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:08,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 63 states and 181 transitions. [2018-09-30 21:55:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 181 transitions. [2018-09-30 21:55:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 21:55:08,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 184 transitions. [2018-09-30 21:55:10,674 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 184 transitions. [2018-09-30 21:55:10,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:55:10,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 65 states and 187 transitions. [2018-09-30 21:55:12,958 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 187 transitions. [2018-09-30 21:55:12,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 21:55:12,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 66 states and 190 transitions. [2018-09-30 21:55:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 190 transitions. [2018-09-30 21:55:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:55:14,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 67 states and 193 transitions. [2018-09-30 21:55:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 193 transitions. [2018-09-30 21:55:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 21:55:16,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:18,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 68 states and 196 transitions. [2018-09-30 21:55:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2018-09-30 21:55:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:55:18,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 199 transitions. [2018-09-30 21:55:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2018-09-30 21:55:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 21:55:20,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 70 states and 202 transitions. [2018-09-30 21:55:22,906 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 202 transitions. [2018-09-30 21:55:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:55:22,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 205 transitions. [2018-09-30 21:55:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2018-09-30 21:55:24,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 21:55:24,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 208 transitions. [2018-09-30 21:55:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 208 transitions. [2018-09-30 21:55:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:55:27,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2018-09-30 21:55:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2018-09-30 21:55:29,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 21:55:29,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:32,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 214 transitions. [2018-09-30 21:55:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 214 transitions. [2018-09-30 21:55:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:55:32,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 75 states and 217 transitions. [2018-09-30 21:55:34,243 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2018-09-30 21:55:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 21:55:34,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:36,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:36,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 76 states and 220 transitions. [2018-09-30 21:55:36,439 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2018-09-30 21:55:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:55:36,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:38,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 77 states and 223 transitions. [2018-09-30 21:55:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 223 transitions. [2018-09-30 21:55:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 21:55:38,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:40,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:40,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 226 transitions. [2018-09-30 21:55:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 226 transitions. [2018-09-30 21:55:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:55:40,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 229 transitions. [2018-09-30 21:55:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 229 transitions. [2018-09-30 21:55:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 21:55:43,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2018-09-30 21:55:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2018-09-30 21:55:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:55:45,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 81 states and 235 transitions. [2018-09-30 21:55:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 235 transitions. [2018-09-30 21:55:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 21:55:47,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:49,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2018-09-30 21:55:49,897 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2018-09-30 21:55:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:55:49,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2018-09-30 21:55:52,243 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2018-09-30 21:55:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 21:55:52,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2018-09-30 21:55:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2018-09-30 21:55:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:55:54,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 85 states and 247 transitions. [2018-09-30 21:55:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2018-09-30 21:55:57,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 21:55:57,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 250 transitions. [2018-09-30 21:55:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 250 transitions. [2018-09-30 21:55:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:55:59,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 253 transitions. [2018-09-30 21:56:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 253 transitions. [2018-09-30 21:56:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 21:56:01,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 256 transitions. [2018-09-30 21:56:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 256 transitions. [2018-09-30 21:56:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:56:04,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 89 states and 259 transitions. [2018-09-30 21:56:06,916 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 259 transitions. [2018-09-30 21:56:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 21:56:06,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:09,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 90 states and 262 transitions. [2018-09-30 21:56:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2018-09-30 21:56:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:56:09,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 265 transitions. [2018-09-30 21:56:12,060 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 265 transitions. [2018-09-30 21:56:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 21:56:12,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 268 transitions. [2018-09-30 21:56:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 268 transitions. [2018-09-30 21:56:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:56:14,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 93 states and 271 transitions. [2018-09-30 21:56:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2018-09-30 21:56:17,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 21:56:17,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:17,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 94 states and 274 transitions. [2018-09-30 21:56:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 274 transitions. [2018-09-30 21:56:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:56:19,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:22,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2018-09-30 21:56:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2018-09-30 21:56:22,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-30 21:56:22,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 280 transitions. [2018-09-30 21:56:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 280 transitions. [2018-09-30 21:56:25,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:56:25,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:25,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:28,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2018-09-30 21:56:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2018-09-30 21:56:28,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 21:56:28,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 98 states and 286 transitions. [2018-09-30 21:56:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2018-09-30 21:56:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:56:31,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:34,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2018-09-30 21:56:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2018-09-30 21:56:34,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-30 21:56:34,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2018-09-30 21:56:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2018-09-30 21:56:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 21:56:36,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:37,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:39,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 101 states and 295 transitions. [2018-09-30 21:56:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 295 transitions. [2018-09-30 21:56:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-30 21:56:39,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:42,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2018-09-30 21:56:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2018-09-30 21:56:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 21:56:42,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:43,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:45,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 103 states and 301 transitions. [2018-09-30 21:56:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 301 transitions. [2018-09-30 21:56:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-30 21:56:45,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 104 states and 304 transitions. [2018-09-30 21:56:48,993 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2018-09-30 21:56:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 21:56:48,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:57:12,163 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