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/20170304-DifficultPathPrograms/nested.c_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:14:36,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:14:36,858 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:14:36,869 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:14:36,869 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:14:36,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:14:36,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:14:36,873 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:14:36,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:14:36,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:14:36,877 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:14:36,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:14:36,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:14:36,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:14:36,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:14:36,881 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:14:36,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:14:36,883 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:14:36,885 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:14:36,887 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:14:36,888 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:14:36,889 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:14:36,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:14:36,892 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:14:36,892 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:14:36,893 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:14:36,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:14:36,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:14:36,896 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:14:36,897 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:14:36,897 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:14:36,898 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:14:36,898 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:14:36,898 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:14:36,899 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:14:36,900 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:14:36,900 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-03 10:14:36,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:14:36,916 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:14:36,917 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:14:36,917 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:14:36,917 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:14:36,918 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:14:36,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:14:36,918 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:14:36,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:14:36,918 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:14:36,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:14:36,919 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:14:36,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:14:36,919 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:14:36,919 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:14:36,920 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:14:36,920 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:14:36,920 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:14:36,920 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:14:36,920 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:14:36,921 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:14:36,921 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:14:36,921 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:14:36,921 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:14:36,921 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:14:36,921 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:14:36,922 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:14:36,922 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:14:36,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:14:36,922 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:14:36,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:14:36,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:14:37,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:14:37,006 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:14:37,007 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:14:37,008 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl [2018-10-03 10:14:37,008 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl' [2018-10-03 10:14:37,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:14:37,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:14:37,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:14:37,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:14:37,066 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:14:37,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:14:37,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:14:37,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:14:37,105 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:14:37,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:14:37,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:14:37,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:14:37,123 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:14:37,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:14:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:14:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 10:14:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 10:14:37,436 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 10:14:37,436 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:14:37 BoogieIcfgContainer [2018-10-03 10:14:37,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:14:37,437 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:14:37,437 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:14:37,449 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:14:37,450 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:14:37" (1/1) ... [2018-10-03 10:14:37,463 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:14:37,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-03 10:14:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-03 10:14:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 10:14:37,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-03 10:14:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-03 10:14:37,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 10:14:37,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:38,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-03 10:14:38,780 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-03 10:14:38,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:14:38,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-03 10:14:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-03 10:14:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:14:39,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:40,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-03 10:14:40,095 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-03 10:14:40,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:14:40,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-03 10:14:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-03 10:14:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:14:40,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-03 10:14:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-03 10:14:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:14:41,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:42,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-03 10:14:42,701 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-03 10:14:42,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:14:42,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:43,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-03 10:14:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-03 10:14:43,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:14:43,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:43,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:43,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-03 10:14:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-03 10:14:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:14:43,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:43,845 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:44,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-10-03 10:14:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-03 10:14:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:14:44,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-10-03 10:14:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-03 10:14:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 10:14:44,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:45,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:45,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-03 10:14:45,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-03 10:14:45,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 10:14:45,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-10-03 10:14:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-10-03 10:14:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 10:14:46,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-10-03 10:14:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-03 10:14:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 10:14:46,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:47,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-03 10:14:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-03 10:14:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 10:14:47,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:47,486 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:48,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-10-03 10:14:48,024 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-10-03 10:14:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 10:14:48,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:49,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-03 10:14:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-03 10:14:49,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 10:14:49,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:50,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-03 10:14:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-03 10:14:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-03 10:14:50,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-10-03 10:14:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-10-03 10:14:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-03 10:14:51,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:52,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-10-03 10:14:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-03 10:14:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-03 10:14:52,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-03 10:14:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-03 10:14:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-03 10:14:53,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-10-03 10:14:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-10-03 10:14:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 10:14:55,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:56,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-10-03 10:14:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-03 10:14:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-03 10:14:56,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-03 10:14:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-03 10:14:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-03 10:14:57,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:59,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-10-03 10:14:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-10-03 10:14:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-03 10:14:59,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:00,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-10-03 10:15:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-10-03 10:15:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-03 10:15:00,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-03 10:15:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-03 10:15:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-03 10:15:01,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:05,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-10-03 10:15:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-10-03 10:15:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-03 10:15:05,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-10-03 10:15:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-10-03 10:15:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-03 10:15:06,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:07,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-10-03 10:15:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-10-03 10:15:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-03 10:15:07,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-10-03 10:15:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-10-03 10:15:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-03 10:15:09,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-10-03 10:15:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-10-03 10:15:11,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-03 10:15:11,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:12,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-10-03 10:15:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-10-03 10:15:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 10:15:12,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:14,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-10-03 10:15:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-10-03 10:15:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 10:15:14,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-10-03 10:15:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-10-03 10:15:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-03 10:15:16,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-10-03 10:15:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-10-03 10:15:17,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-03 10:15:17,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-10-03 10:15:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-10-03 10:15:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-03 10:15:18,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:20,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:20,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-10-03 10:15:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-10-03 10:15:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-03 10:15:20,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-10-03 10:15:22,480 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-10-03 10:15:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 10:15:22,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:24,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-10-03 10:15:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-10-03 10:15:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 10:15:24,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:26,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-10-03 10:15:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-10-03 10:15:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-03 10:15:26,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-10-03 10:15:28,581 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-10-03 10:15:28,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-03 10:15:28,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-10-03 10:15:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-10-03 10:15:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-03 10:15:30,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:32,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 93 states and 94 transitions. [2018-10-03 10:15:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-10-03 10:15:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-03 10:15:32,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:35,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-10-03 10:15:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-10-03 10:15:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-03 10:15:35,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2018-10-03 10:15:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-10-03 10:15:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-03 10:15:38,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 99 states and 100 transitions. [2018-10-03 10:15:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-10-03 10:15:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-03 10:15:40,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-10-03 10:15:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-10-03 10:15:47,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-03 10:15:47,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 103 states and 104 transitions. [2018-10-03 10:15:51,215 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-10-03 10:15:51,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-03 10:15:51,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 105 states and 106 transitions. [2018-10-03 10:15:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-10-03 10:15:53,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-03 10:15:53,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:55,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:57,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:57,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-10-03 10:15:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-10-03 10:15:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-03 10:15:57,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:00,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:00,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 109 states and 110 transitions. [2018-10-03 10:16:00,535 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-10-03 10:16:00,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-03 10:16:00,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 111 states and 112 transitions. [2018-10-03 10:16:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-10-03 10:16:03,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-03 10:16:03,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-10-03 10:16:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-10-03 10:16:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-03 10:16:06,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:09,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 115 states and 116 transitions. [2018-10-03 10:16:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-10-03 10:16:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-03 10:16:09,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 117 states and 118 transitions. [2018-10-03 10:16:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-10-03 10:16:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-03 10:16:12,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 119 states and 120 transitions. [2018-10-03 10:16:15,424 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-10-03 10:16:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-03 10:16:15,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:18,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 121 states and 122 transitions. [2018-10-03 10:16:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-10-03 10:16:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-03 10:16:18,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 123 states and 124 transitions. [2018-10-03 10:16:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-10-03 10:16:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-03 10:16:22,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:22,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 125 states and 126 transitions. [2018-10-03 10:16:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-10-03 10:16:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-03 10:16:25,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 127 states and 128 transitions. [2018-10-03 10:16:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2018-10-03 10:16:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-03 10:16:29,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 129 states and 130 transitions. [2018-10-03 10:16:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-10-03 10:16:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-03 10:16:32,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 131 states and 132 transitions. [2018-10-03 10:16:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-10-03 10:16:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-03 10:16:36,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:40,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 133 states and 134 transitions. [2018-10-03 10:16:40,504 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-10-03 10:16:40,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-03 10:16:40,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 135 states and 136 transitions. [2018-10-03 10:16:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2018-10-03 10:16:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-03 10:16:44,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 137 states and 138 transitions. [2018-10-03 10:16:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-10-03 10:16:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-03 10:16:48,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:49,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 139 states and 140 transitions. [2018-10-03 10:16:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-10-03 10:16:52,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-03 10:16:52,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 141 states and 142 transitions. [2018-10-03 10:16:57,373 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-10-03 10:16:57,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-03 10:16:57,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:01,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 143 states and 144 transitions. [2018-10-03 10:17:01,962 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-10-03 10:17:01,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-03 10:17:01,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 145 states and 146 transitions. [2018-10-03 10:17:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-10-03 10:17:06,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-03 10:17:06,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 147 states and 148 transitions. [2018-10-03 10:17:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-10-03 10:17:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-03 10:17:11,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 149 states and 150 transitions. [2018-10-03 10:17:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-10-03 10:17:16,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-03 10:17:16,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:21,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:21,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 151 states and 152 transitions. [2018-10-03 10:17:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2018-10-03 10:17:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-03 10:17:21,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 153 states and 154 transitions. [2018-10-03 10:17:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-10-03 10:17:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-03 10:17:26,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 155 states and 156 transitions. [2018-10-03 10:17:32,370 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2018-10-03 10:17:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-03 10:17:32,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:37,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 157 states and 158 transitions. [2018-10-03 10:17:37,968 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2018-10-03 10:17:37,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-03 10:17:37,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 159 states and 160 transitions. [2018-10-03 10:17:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 160 transitions. [2018-10-03 10:17:43,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-03 10:17:43,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:44,103 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:49,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 161 states and 162 transitions. [2018-10-03 10:17:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2018-10-03 10:17:49,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-03 10:17:49,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 163 states and 164 transitions. [2018-10-03 10:17:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2018-10-03 10:17:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-03 10:17:55,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 165 states and 166 transitions. [2018-10-03 10:18:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 166 transitions. [2018-10-03 10:18:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-03 10:18:02,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:02,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:08,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:08,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 167 states and 168 transitions. [2018-10-03 10:18:08,473 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2018-10-03 10:18:08,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-03 10:18:08,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 169 states and 170 transitions. [2018-10-03 10:18:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2018-10-03 10:18:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-03 10:18:15,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 171 states and 172 transitions. [2018-10-03 10:18:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2018-10-03 10:18:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-03 10:18:21,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 173 states and 174 transitions. [2018-10-03 10:18:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 174 transitions. [2018-10-03 10:18:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-03 10:18:28,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:29,088 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:35,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 175 states and 176 transitions. [2018-10-03 10:18:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 176 transitions. [2018-10-03 10:18:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-03 10:18:35,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:36,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 177 states and 178 transitions. [2018-10-03 10:18:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 178 transitions. [2018-10-03 10:18:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-03 10:18:42,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 179 states and 180 transitions. [2018-10-03 10:18:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2018-10-03 10:18:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-03 10:18:50,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown