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.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:14:49,525 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:14:49,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:14:49,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:14:49,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:14:49,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:14:49,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:14:49,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:14:49,558 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:14:49,565 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:14:49,566 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:14:49,566 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:14:49,567 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:14:49,571 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:14:49,575 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:14:49,575 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:14:49,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:14:49,580 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:14:49,582 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:14:49,585 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:14:49,586 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:14:49,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:14:49,591 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:14:49,592 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:14:49,592 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:14:49,593 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:14:49,594 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:14:49,596 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:14:49,597 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:14:49,600 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:14:49,600 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:14:49,601 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:14:49,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:14:49,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:14:49,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:14:49,605 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:14:49,605 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 11:14:49,634 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:14:49,635 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:14:49,636 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:14:49,636 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:14:49,639 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:14:49,639 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:14:49,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:14:49,640 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:14:49,640 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:14:49,640 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:14:49,640 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:14:49,640 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:14:49,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:14:49,641 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:14:49,641 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:14:49,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:14:49,641 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:14:49,641 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:14:49,642 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:14:49,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:14:49,642 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:14:49,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:14:49,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:14:49,644 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:14:49,644 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:14:49,644 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:14:49,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:14:49,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:14:49,645 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:14:49,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:14:49,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:14:49,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:14:49,740 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:14:49,740 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:14:49,741 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl [2018-09-30 11:14:49,741 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl' [2018-09-30 11:14:49,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:14:49,795 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:14:49,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:14:49,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:14:49,796 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:14:49,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... [2018-09-30 11:14:49,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... [2018-09-30 11:14:49,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:14:49,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:14:49,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:14:49,837 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:14:49,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... [2018-09-30 11:14:49,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... [2018-09-30 11:14:49,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... [2018-09-30 11:14:49,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... [2018-09-30 11:14:49,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... [2018-09-30 11:14:49,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... [2018-09-30 11:14:49,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... [2018-09-30 11:14:49,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:14:49,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:14:49,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:14:49,860 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:14:49,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:14:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:14:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 11:14:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 11:14:50,096 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 11:14:50,097 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:14:50 BoogieIcfgContainer [2018-09-30 11:14:50,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:14:50,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:14:50,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:14:50,109 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:14:50,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:14:50" (1/1) ... [2018-09-30 11:14:50,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:14:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:50,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 11:14:50,167 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 11:14:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:14:50,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 11:14:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 11:14:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:14:50,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:51,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-30 11:14:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-30 11:14:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:14:51,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:51,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-30 11:14:51,570 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-30 11:14:51,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:14:51,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:52,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-30 11:14:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-30 11:14:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:14:52,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-30 11:14:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-30 11:14:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:14:52,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:52,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-30 11:14:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-30 11:14:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:14:52,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:53,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-30 11:14:53,335 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-30 11:14:53,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:14:53,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-30 11:14:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-30 11:14:54,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:14:54,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:54,660 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-09-30 11:14:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:54,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-30 11:14:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-30 11:14:54,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:14:54,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:55,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-30 11:14:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-30 11:14:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:14:55,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-30 11:14:55,556 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-30 11:14:55,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:14:55,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-30 11:14:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-30 11:14:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:14:56,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-30 11:14:56,877 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-30 11:14:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:14:56,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:57,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-30 11:14:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-30 11:14:57,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:14:57,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:58,224 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-09-30 11:14:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-30 11:14:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-30 11:14:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:14:59,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:59,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-30 11:14:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-30 11:14:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:14:59,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:00,150 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:00,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-30 11:15:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-30 11:15:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:15:00,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:00,929 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-30 11:15:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-30 11:15:01,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:15:01,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-30 11:15:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-30 11:15:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:15:02,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-30 11:15:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-30 11:15:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:15:02,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-30 11:15:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-30 11:15:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:15:03,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-30 11:15:04,199 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-30 11:15:04,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:15:04,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-09-30 11:15:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-09-30 11:15:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:15:04,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:05,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:05,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-09-30 11:15:05,593 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-09-30 11:15:05,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:15:05,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-09-30 11:15:06,246 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-09-30 11:15:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:15:06,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-09-30 11:15:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-30 11:15:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:15:06,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-09-30 11:15:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-30 11:15:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:15:08,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-09-30 11:15:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-09-30 11:15:09,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:15:09,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-09-30 11:15:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-09-30 11:15:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 11:15:10,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-09-30 11:15:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-09-30 11:15:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:15:11,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:11,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-09-30 11:15:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-09-30 11:15:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 11:15:11,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:12,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-09-30 11:15:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-09-30 11:15:12,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 11:15:12,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-09-30 11:15:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-09-30 11:15:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 11:15:13,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:13,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:14,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-09-30 11:15:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-09-30 11:15:14,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 11:15:14,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-09-30 11:15:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-09-30 11:15:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 11:15:15,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:16,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-09-30 11:15:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-09-30 11:15:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 11:15:16,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-09-30 11:15:17,470 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-09-30 11:15:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 11:15:17,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:18,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-09-30 11:15:18,708 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-09-30 11:15:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 11:15:18,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-09-30 11:15:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-09-30 11:15:19,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 11:15:19,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:20,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-09-30 11:15:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-09-30 11:15:20,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 11:15:20,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:20,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-09-30 11:15:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-09-30 11:15:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 11:15:21,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-09-30 11:15:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-09-30 11:15:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 11:15:22,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-09-30 11:15:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-09-30 11:15:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 11:15:23,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:24,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:24,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 93 states and 94 transitions. [2018-09-30 11:15:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-09-30 11:15:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 11:15:24,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:25,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-09-30 11:15:25,894 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-09-30 11:15:25,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 11:15:25,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2018-09-30 11:15:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-09-30 11:15:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 11:15:27,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 99 states and 100 transitions. [2018-09-30 11:15:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-09-30 11:15:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 11:15:29,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:31,976 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-09-30 11:15:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-09-30 11:15:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-09-30 11:15:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 11:15:34,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 103 states and 104 transitions. [2018-09-30 11:15:35,276 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-09-30 11:15:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 11:15:35,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:36,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 105 states and 106 transitions. [2018-09-30 11:15:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-09-30 11:15:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 11:15:36,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-09-30 11:15:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-09-30 11:15:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-30 11:15:37,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:38,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 109 states and 110 transitions. [2018-09-30 11:15:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-09-30 11:15:38,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 11:15:38,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 111 states and 112 transitions. [2018-09-30 11:15:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-09-30 11:15:39,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-30 11:15:39,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-09-30 11:15:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-09-30 11:15:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-30 11:15:41,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 115 states and 116 transitions. [2018-09-30 11:15:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-09-30 11:15:44,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-30 11:15:44,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 117 states and 118 transitions. [2018-09-30 11:15:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-09-30 11:15:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-30 11:15:45,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 119 states and 120 transitions. [2018-09-30 11:15:46,772 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-09-30 11:15:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-30 11:15:46,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 121 states and 122 transitions. [2018-09-30 11:15:48,616 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-09-30 11:15:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-30 11:15:48,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 123 states and 124 transitions. [2018-09-30 11:15:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-09-30 11:15:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-30 11:15:50,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:51,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 125 states and 126 transitions. [2018-09-30 11:15:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-09-30 11:15:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-30 11:15:51,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 127 states and 128 transitions. [2018-09-30 11:15:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2018-09-30 11:15:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-30 11:15:53,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:54,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 129 states and 130 transitions. [2018-09-30 11:15:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-09-30 11:15:54,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-30 11:15:54,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:56,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 131 states and 132 transitions. [2018-09-30 11:15:56,226 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-09-30 11:15:56,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-30 11:15:56,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:57,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 133 states and 134 transitions. [2018-09-30 11:15:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-09-30 11:15:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-30 11:15:57,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:58,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:15:59,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:15:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 135 states and 136 transitions. [2018-09-30 11:15:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2018-09-30 11:15:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-30 11:15:59,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:15:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:15:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 137 states and 138 transitions. [2018-09-30 11:16:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-09-30 11:16:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-30 11:16:00,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 139 states and 140 transitions. [2018-09-30 11:16:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-09-30 11:16:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-30 11:16:02,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:03,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:04,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 141 states and 142 transitions. [2018-09-30 11:16:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-09-30 11:16:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-30 11:16:04,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 143 states and 144 transitions. [2018-09-30 11:16:06,264 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-09-30 11:16:06,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-30 11:16:06,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:07,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 145 states and 146 transitions. [2018-09-30 11:16:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-09-30 11:16:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-30 11:16:07,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 147 states and 148 transitions. [2018-09-30 11:16:09,959 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-09-30 11:16:09,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-30 11:16:09,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 149 states and 150 transitions. [2018-09-30 11:16:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-09-30 11:16:11,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-30 11:16:11,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:13,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 151 states and 152 transitions. [2018-09-30 11:16:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2018-09-30 11:16:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-30 11:16:13,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 153 states and 154 transitions. [2018-09-30 11:16:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-09-30 11:16:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-30 11:16:15,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 155 states and 156 transitions. [2018-09-30 11:16:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2018-09-30 11:16:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-30 11:16:17,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 157 states and 158 transitions. [2018-09-30 11:16:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2018-09-30 11:16:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-30 11:16:19,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 159 states and 160 transitions. [2018-09-30 11:16:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 160 transitions. [2018-09-30 11:16:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-09-30 11:16:21,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 161 states and 162 transitions. [2018-09-30 11:16:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2018-09-30 11:16:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-30 11:16:23,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:23,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:25,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 163 states and 164 transitions. [2018-09-30 11:16:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2018-09-30 11:16:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-09-30 11:16:25,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 165 states and 166 transitions. [2018-09-30 11:16:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 166 transitions. [2018-09-30 11:16:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-30 11:16:27,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 167 states and 168 transitions. [2018-09-30 11:16:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2018-09-30 11:16:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-30 11:16:29,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 169 states and 170 transitions. [2018-09-30 11:16:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2018-09-30 11:16:31,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-30 11:16:31,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 171 states and 172 transitions. [2018-09-30 11:16:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2018-09-30 11:16:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-30 11:16:33,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 173 states and 174 transitions. [2018-09-30 11:16:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 174 transitions. [2018-09-30 11:16:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-30 11:16:35,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 175 states and 176 transitions. [2018-09-30 11:16:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 176 transitions. [2018-09-30 11:16:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-30 11:16:37,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:38,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 177 states and 178 transitions. [2018-09-30 11:16:40,230 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 178 transitions. [2018-09-30 11:16:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-09-30 11:16:40,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:41,131 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 179 states and 180 transitions. [2018-09-30 11:16:42,378 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2018-09-30 11:16:42,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-30 11:16:42,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:44,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 181 states and 182 transitions. [2018-09-30 11:16:44,666 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 182 transitions. [2018-09-30 11:16:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-09-30 11:16:44,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 183 states and 184 transitions. [2018-09-30 11:16:46,955 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 184 transitions. [2018-09-30 11:16:46,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-09-30 11:16:46,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:49,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:49,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 185 states and 186 transitions. [2018-09-30 11:16:49,202 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 186 transitions. [2018-09-30 11:16:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-30 11:16:49,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:51,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 187 states and 188 transitions. [2018-09-30 11:16:51,738 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 188 transitions. [2018-09-30 11:16:51,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-09-30 11:16:51,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:52,809 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 189 states and 190 transitions. [2018-09-30 11:16:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 190 transitions. [2018-09-30 11:16:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-30 11:16:54,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 191 states and 192 transitions. [2018-09-30 11:16:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 192 transitions. [2018-09-30 11:16:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-30 11:16:56,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:16:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:16:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:16:59,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 193 states and 194 transitions. [2018-09-30 11:16:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 194 transitions. [2018-09-30 11:16:59,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-30 11:16:59,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:16:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:01,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 195 states and 196 transitions. [2018-09-30 11:17:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 196 transitions. [2018-09-30 11:17:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-30 11:17:01,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 197 states and 198 transitions. [2018-09-30 11:17:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 198 transitions. [2018-09-30 11:17:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-30 11:17:04,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:05,764 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 199 states and 200 transitions. [2018-09-30 11:17:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 200 transitions. [2018-09-30 11:17:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-09-30 11:17:07,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:09,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 201 states and 202 transitions. [2018-09-30 11:17:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 202 transitions. [2018-09-30 11:17:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-09-30 11:17:09,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 203 states and 204 transitions. [2018-09-30 11:17:12,685 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 204 transitions. [2018-09-30 11:17:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-09-30 11:17:12,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 205 states and 206 transitions. [2018-09-30 11:17:15,526 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 206 transitions. [2018-09-30 11:17:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-09-30 11:17:15,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 207 states and 208 transitions. [2018-09-30 11:17:18,236 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 208 transitions. [2018-09-30 11:17:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-09-30 11:17:18,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 209 states and 210 transitions. [2018-09-30 11:17:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 210 transitions. [2018-09-30 11:17:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-09-30 11:17:21,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 211 states and 212 transitions. [2018-09-30 11:17:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 212 transitions. [2018-09-30 11:17:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-09-30 11:17:24,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 213 states and 214 transitions. [2018-09-30 11:17:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 214 transitions. [2018-09-30 11:17:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-09-30 11:17:27,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 215 states and 216 transitions. [2018-09-30 11:17:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 216 transitions. [2018-09-30 11:17:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-09-30 11:17:30,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 217 states and 218 transitions. [2018-09-30 11:17:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 218 transitions. [2018-09-30 11:17:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-09-30 11:17:33,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 219 states and 220 transitions. [2018-09-30 11:17:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 220 transitions. [2018-09-30 11:17:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-09-30 11:17:36,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:39,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 221 states and 222 transitions. [2018-09-30 11:17:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 222 transitions. [2018-09-30 11:17:39,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-09-30 11:17:39,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:41,221 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:43,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 223 states and 224 transitions. [2018-09-30 11:17:43,087 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 224 transitions. [2018-09-30 11:17:43,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-09-30 11:17:43,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:46,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 225 states and 226 transitions. [2018-09-30 11:17:46,327 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 226 transitions. [2018-09-30 11:17:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-09-30 11:17:46,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:49,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 227 states and 228 transitions. [2018-09-30 11:17:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 228 transitions. [2018-09-30 11:17:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-09-30 11:17:49,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:53,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 229 states and 230 transitions. [2018-09-30 11:17:53,154 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 230 transitions. [2018-09-30 11:17:53,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-09-30 11:17:53,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:56,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 231 states and 232 transitions. [2018-09-30 11:17:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 232 transitions. [2018-09-30 11:17:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-09-30 11:17:56,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:17:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:17:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:17:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:17:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 233 states and 234 transitions. [2018-09-30 11:17:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 234 transitions. [2018-09-30 11:17:59,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-09-30 11:17:59,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:03,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:03,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 235 states and 236 transitions. [2018-09-30 11:18:03,542 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 236 transitions. [2018-09-30 11:18:03,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-09-30 11:18:03,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 237 states and 238 transitions. [2018-09-30 11:18:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 238 transitions. [2018-09-30 11:18:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-09-30 11:18:07,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:10,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 239 states and 240 transitions. [2018-09-30 11:18:10,726 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 240 transitions. [2018-09-30 11:18:10,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-09-30 11:18:10,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:14,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 241 states and 242 transitions. [2018-09-30 11:18:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 242 transitions. [2018-09-30 11:18:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-09-30 11:18:14,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:18,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 243 states and 244 transitions. [2018-09-30 11:18:18,365 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 244 transitions. [2018-09-30 11:18:18,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-09-30 11:18:18,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:22,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 245 states and 246 transitions. [2018-09-30 11:18:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 246 transitions. [2018-09-30 11:18:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-09-30 11:18:22,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 247 states and 248 transitions. [2018-09-30 11:18:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 248 transitions. [2018-09-30 11:18:25,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-09-30 11:18:25,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 249 states and 250 transitions. [2018-09-30 11:18:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 250 transitions. [2018-09-30 11:18:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-09-30 11:18:29,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:31,957 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 251 states and 252 transitions. [2018-09-30 11:18:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 252 transitions. [2018-09-30 11:18:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-09-30 11:18:34,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 253 states and 254 transitions. [2018-09-30 11:18:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 254 transitions. [2018-09-30 11:18:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-09-30 11:18:38,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:42,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 255 states and 256 transitions. [2018-09-30 11:18:42,228 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 256 transitions. [2018-09-30 11:18:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-09-30 11:18:42,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 257 states and 258 transitions. [2018-09-30 11:18:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 258 transitions. [2018-09-30 11:18:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-09-30 11:18:46,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 259 states and 260 transitions. [2018-09-30 11:18:50,352 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 260 transitions. [2018-09-30 11:18:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-09-30 11:18:50,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:54,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 261 states and 262 transitions. [2018-09-30 11:18:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 262 transitions. [2018-09-30 11:18:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-09-30 11:18:54,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:18:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:18:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:18:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:18:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 263 states and 264 transitions. [2018-09-30 11:18:59,141 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 264 transitions. [2018-09-30 11:18:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-09-30 11:18:59,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. Received shutdown request... [2018-09-30 11:19:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:01,016 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout exceeded [2018-09-30 11:19:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Cannot interrupt operation gracefully because timeout expired. Forcing shutdown