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/array3.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:48:18,647 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:48:18,649 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:48:18,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:48:18,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:48:18,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:48:18,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:48:18,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:48:18,669 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:48:18,670 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:48:18,671 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:48:18,671 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:48:18,672 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:48:18,673 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:48:18,674 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:48:18,675 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:48:18,676 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:48:18,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:48:18,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:48:18,685 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:48:18,689 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:48:18,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:48:18,696 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:48:18,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:48:18,697 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:48:18,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:48:18,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:48:18,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:48:18,701 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:48:18,703 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:48:18,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:48:18,704 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:48:18,705 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:48:18,705 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:48:18,706 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:48:18,707 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:48:18,709 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 [2018-09-26 22:48:18,735 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:48:18,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:48:18,736 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:48:18,737 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:48:18,737 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:48:18,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:48:18,738 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:48:18,738 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:48:18,738 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:48:18,738 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:48:18,741 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:48:18,741 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:48:18,741 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:48:18,742 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:48:18,742 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:48:18,742 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:48:18,742 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:48:18,742 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:48:18,743 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:48:18,743 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:48:18,743 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:48:18,743 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:48:18,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:48:18,744 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:48:18,744 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:48:18,744 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:48:18,744 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:48:18,745 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:48:18,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:48:18,746 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:48:18,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:48:18,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:48:18,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:48:18,841 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:48:18,842 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:48:18,842 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl [2018-09-26 22:48:18,843 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl' [2018-09-26 22:48:18,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:48:18,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:48:18,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:48:18,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:48:18,911 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:48:18,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (1/1) ... [2018-09-26 22:48:18,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (1/1) ... [2018-09-26 22:48:18,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:48:18,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:48:18,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:48:18,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:48:18,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (1/1) ... [2018-09-26 22:48:18,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (1/1) ... [2018-09-26 22:48:18,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (1/1) ... [2018-09-26 22:48:18,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (1/1) ... [2018-09-26 22:48:18,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (1/1) ... [2018-09-26 22:48:18,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (1/1) ... [2018-09-26 22:48:18,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (1/1) ... [2018-09-26 22:48:18,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:48:18,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:48:18,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:48:18,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:48:18,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:18" (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 [2018-09-26 22:48:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:48:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:48:19,262 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:48:19,263 INFO L202 PluginConnector]: Adding new model array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:48:19 BoogieIcfgContainer [2018-09-26 22:48:19,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:48:19,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:48:19,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:48:19,276 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:48:19,277 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:48:19" (1/1) ... [2018-09-26 22:48:19,292 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:48:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:19,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-26 22:48:19,339 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-26 22:48:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:48:19,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:19,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-09-26 22:48:19,999 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-09-26 22:48:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:48:19,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-09-26 22:48:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-09-26 22:48:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:48:20,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-26 22:48:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-09-26 22:48:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-09-26 22:48:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:48:21,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-09-26 22:48:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-09-26 22:48:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:48:22,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2018-09-26 22:48:23,450 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-09-26 22:48:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:48:23,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2018-09-26 22:48:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-09-26 22:48:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:48:25,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-09-26 22:48:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-09-26 22:48:25,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:48:25,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:26,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-09-26 22:48:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-09-26 22:48:26,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:48:26,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2018-09-26 22:48:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-09-26 22:48:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:48:26,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:28,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2018-09-26 22:48:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-09-26 22:48:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:48:28,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:29,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2018-09-26 22:48:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-09-26 22:48:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:48:29,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2018-09-26 22:48:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2018-09-26 22:48:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:48:29,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2018-09-26 22:48:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-09-26 22:48:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:48:30,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:31,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 35 states and 38 transitions. [2018-09-26 22:48:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-09-26 22:48:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:48:31,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:32,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2018-09-26 22:48:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-09-26 22:48:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:48:32,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:33,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2018-09-26 22:48:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-09-26 22:48:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:48:33,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:34,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:34,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2018-09-26 22:48:34,075 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-09-26 22:48:34,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:48:34,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:35,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2018-09-26 22:48:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-09-26 22:48:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:48:35,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2018-09-26 22:48:36,443 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2018-09-26 22:48:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:48:36,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2018-09-26 22:48:37,536 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-09-26 22:48:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:48:37,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:38,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:38,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2018-09-26 22:48:38,419 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-09-26 22:48:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:48:38,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 51 states and 54 transitions. [2018-09-26 22:48:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-09-26 22:48:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:48:39,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 53 states and 56 transitions. [2018-09-26 22:48:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2018-09-26 22:48:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:48:41,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 55 states and 58 transitions. [2018-09-26 22:48:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-09-26 22:48:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:48:42,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 57 states and 60 transitions. [2018-09-26 22:48:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-09-26 22:48:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:48:43,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:43,848 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2018-09-26 22:48:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2018-09-26 22:48:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:48:44,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2018-09-26 22:48:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-09-26 22:48:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:48:46,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 63 states and 66 transitions. [2018-09-26 22:48:47,674 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2018-09-26 22:48:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:48:47,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 65 states and 68 transitions. [2018-09-26 22:48:49,353 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2018-09-26 22:48:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:48:49,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 67 states and 70 transitions. [2018-09-26 22:48:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2018-09-26 22:48:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:48:50,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:52,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:52,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 69 states and 72 transitions. [2018-09-26 22:48:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2018-09-26 22:48:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:48:52,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:54,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 71 states and 74 transitions. [2018-09-26 22:48:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 74 transitions. [2018-09-26 22:48:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:48:54,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:55,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 73 states and 76 transitions. [2018-09-26 22:48:55,852 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2018-09-26 22:48:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:48:55,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 75 states and 78 transitions. [2018-09-26 22:48:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2018-09-26 22:48:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 22:48:57,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:48:59,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 77 states and 80 transitions. [2018-09-26 22:48:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2018-09-26 22:48:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 22:48:59,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 79 states and 82 transitions. [2018-09-26 22:49:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2018-09-26 22:49:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 22:49:01,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:03,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 81 states and 84 transitions. [2018-09-26 22:49:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 84 transitions. [2018-09-26 22:49:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:49:03,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 83 states and 86 transitions. [2018-09-26 22:49:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 86 transitions. [2018-09-26 22:49:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:49:05,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1408 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 85 states and 88 transitions. [2018-09-26 22:49:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2018-09-26 22:49:07,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:49:07,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 87 states and 90 transitions. [2018-09-26 22:49:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2018-09-26 22:49:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 22:49:10,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 89 states and 92 transitions. [2018-09-26 22:49:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 92 transitions. [2018-09-26 22:49:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 22:49:12,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 91 states and 94 transitions. [2018-09-26 22:49:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 94 transitions. [2018-09-26 22:49:14,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:49:14,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:15,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1724 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:17,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:17,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 93 states and 96 transitions. [2018-09-26 22:49:17,342 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 96 transitions. [2018-09-26 22:49:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 22:49:17,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1808 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 95 states and 98 transitions. [2018-09-26 22:49:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 98 transitions. [2018-09-26 22:49:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 22:49:19,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 97 states and 100 transitions. [2018-09-26 22:49:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 100 transitions. [2018-09-26 22:49:23,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 22:49:23,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1982 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 99 states and 102 transitions. [2018-09-26 22:49:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 102 transitions. [2018-09-26 22:49:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-26 22:49:26,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 101 states and 104 transitions. [2018-09-26 22:49:32,685 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 104 transitions. [2018-09-26 22:49:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 22:49:32,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2164 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:36,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 103 states and 106 transitions. [2018-09-26 22:49:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 106 transitions. [2018-09-26 22:49:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-26 22:49:36,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:36,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:39,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 105 states and 108 transitions. [2018-09-26 22:49:39,362 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 108 transitions. [2018-09-26 22:49:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-26 22:49:39,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2354 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 107 states and 110 transitions. [2018-09-26 22:49:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2018-09-26 22:49:42,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-26 22:49:42,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:42,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 109 states and 112 transitions. [2018-09-26 22:49:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 112 transitions. [2018-09-26 22:49:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-26 22:49:45,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:48,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 111 states and 114 transitions. [2018-09-26 22:49:48,640 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 114 transitions. [2018-09-26 22:49:48,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-26 22:49:48,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2654 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:52,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 113 states and 116 transitions. [2018-09-26 22:49:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 116 transitions. [2018-09-26 22:49:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-26 22:49:52,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 115 states and 118 transitions. [2018-09-26 22:49:55,565 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 118 transitions. [2018-09-26 22:49:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-26 22:49:55,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2864 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:49:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 117 states and 120 transitions. [2018-09-26 22:49:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 120 transitions. [2018-09-26 22:49:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-26 22:49:59,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2972 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:03,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 119 states and 122 transitions. [2018-09-26 22:50:03,226 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 122 transitions. [2018-09-26 22:50:03,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-26 22:50:03,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:03,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:07,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:07,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 121 states and 124 transitions. [2018-09-26 22:50:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 124 transitions. [2018-09-26 22:50:07,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-26 22:50:07,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:07,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3194 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:11,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 123 states and 126 transitions. [2018-09-26 22:50:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 126 transitions. [2018-09-26 22:50:11,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-26 22:50:11,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:11,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3308 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 125 states and 128 transitions. [2018-09-26 22:50:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 128 transitions. [2018-09-26 22:50:15,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-26 22:50:15,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3424 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 127 states and 130 transitions. [2018-09-26 22:50:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 130 transitions. [2018-09-26 22:50:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-26 22:50:19,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3542 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:23,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 129 states and 132 transitions. [2018-09-26 22:50:23,584 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 132 transitions. [2018-09-26 22:50:23,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-26 22:50:23,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3662 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 131 states and 134 transitions. [2018-09-26 22:50:27,989 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 134 transitions. [2018-09-26 22:50:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-26 22:50:27,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 133 states and 136 transitions. [2018-09-26 22:50:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2018-09-26 22:50:32,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-26 22:50:32,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3908 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:37,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 135 states and 138 transitions. [2018-09-26 22:50:37,406 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 138 transitions. [2018-09-26 22:50:37,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-26 22:50:37,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:37,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4034 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:42,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 137 states and 140 transitions. [2018-09-26 22:50:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 140 transitions. [2018-09-26 22:50:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-26 22:50:42,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4162 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 139 states and 142 transitions. [2018-09-26 22:50:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 142 transitions. [2018-09-26 22:50:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-26 22:50:47,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4292 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 141 states and 144 transitions. [2018-09-26 22:50:52,521 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 144 transitions. [2018-09-26 22:50:52,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-26 22:50:52,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4424 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:50:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 143 states and 146 transitions. [2018-09-26 22:50:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 146 transitions. [2018-09-26 22:50:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-26 22:50:57,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4558 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:03,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-09-26 22:51:03,276 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-09-26 22:51:03,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-26 22:51:03,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4694 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:08,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 147 states and 150 transitions. [2018-09-26 22:51:08,760 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 150 transitions. [2018-09-26 22:51:08,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-26 22:51:08,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4832 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:14,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 149 states and 152 transitions. [2018-09-26 22:51:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 152 transitions. [2018-09-26 22:51:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-26 22:51:14,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4972 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 151 states and 154 transitions. [2018-09-26 22:51:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 154 transitions. [2018-09-26 22:51:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-26 22:51:20,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5114 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:26,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 153 states and 156 transitions. [2018-09-26 22:51:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 156 transitions. [2018-09-26 22:51:26,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-26 22:51:26,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5258 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 155 states and 158 transitions. [2018-09-26 22:51:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 158 transitions. [2018-09-26 22:51:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-26 22:51:32,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:32,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5404 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:38,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 157 states and 160 transitions. [2018-09-26 22:51:38,570 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 160 transitions. [2018-09-26 22:51:38,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-26 22:51:38,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5552 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 159 states and 162 transitions. [2018-09-26 22:51:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 162 transitions. [2018-09-26 22:51:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-09-26 22:51:44,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5702 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 161 states and 164 transitions. [2018-09-26 22:51:51,448 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 164 transitions. [2018-09-26 22:51:51,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-26 22:51:51,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5854 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:51:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 163 states and 166 transitions. [2018-09-26 22:51:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 166 transitions. [2018-09-26 22:51:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-09-26 22:51:58,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6008 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:52:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 165 states and 168 transitions. [2018-09-26 22:52:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 168 transitions. [2018-09-26 22:52:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-26 22:52:05,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6164 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:52:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:12,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 167 states and 170 transitions. [2018-09-26 22:52:12,251 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 170 transitions. [2018-09-26 22:52:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-26 22:52:12,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6322 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:52:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 169 states and 172 transitions. [2018-09-26 22:52:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 172 transitions. [2018-09-26 22:52:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-26 22:52:19,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6482 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:52:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 171 states and 174 transitions. [2018-09-26 22:52:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 174 transitions. [2018-09-26 22:52:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-26 22:52:27,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6644 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:52:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 173 states and 176 transitions. [2018-09-26 22:52:34,911 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 176 transitions. [2018-09-26 22:52:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-26 22:52:34,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6808 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown