java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:32:42,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:32:42,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:32:42,411 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:32:42,411 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:32:42,413 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:32:42,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:32:42,426 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:32:42,430 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:32:42,431 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:32:42,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:32:42,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:32:42,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:32:42,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:32:42,444 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:32:42,444 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:32:42,445 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:32:42,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:32:42,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:32:42,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:32:42,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:32:42,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:32:42,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:32:42,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:32:42,462 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:32:42,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:32:42,464 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:32:42,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:32:42,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:32:42,468 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:32:42,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:32:42,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:32:42,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:32:42,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:32:42,474 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:32:42,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:32:42,475 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-01 03:32:42,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:32:42,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:32:42,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:32:42,503 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:32:42,510 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:32:42,510 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:32:42,510 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:32:42,511 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:32:42,511 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:32:42,511 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:32:42,511 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:32:42,511 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:32:42,512 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:32:42,512 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:32:42,512 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:32:42,512 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:32:42,512 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:32:42,513 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:32:42,513 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:32:42,513 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:32:42,513 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:32:42,513 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:32:42,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:32:42,514 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:32:42,514 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:32:42,514 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:32:42,514 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:32:42,515 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:32:42,515 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:32:42,515 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:32:42,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:32:42,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:32:42,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:32:42,590 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:32:42,590 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:32:42,591 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-10-01 03:32:42,591 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-10-01 03:32:42,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:32:42,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:32:42,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:32:42,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:32:42,643 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:32:42,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... [2018-10-01 03:32:42,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... [2018-10-01 03:32:42,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:32:42,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:32:42,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:32:42,683 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:32:42,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... [2018-10-01 03:32:42,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... [2018-10-01 03:32:42,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... [2018-10-01 03:32:42,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... [2018-10-01 03:32:42,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... [2018-10-01 03:32:42,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... [2018-10-01 03:32:42,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... [2018-10-01 03:32:42,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:32:42,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:32:42,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:32:42,703 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:32:42,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:32:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:32:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 03:32:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 03:32:43,134 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 03:32:43,135 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:32:43 BoogieIcfgContainer [2018-10-01 03:32:43,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:32:43,136 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:32:43,136 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:32:43,149 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:32:43,149 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:32:43" (1/1) ... [2018-10-01 03:32:43,167 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:32:43,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-01 03:32:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-01 03:32:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 03:32:43,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-01 03:32:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-01 03:32:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 03:32:44,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:45,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-01 03:32:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-01 03:32:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:32:45,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-01 03:32:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-01 03:32:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:32:46,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-01 03:32:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-01 03:32:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:32:48,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:49,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:49,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-01 03:32:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-01 03:32:49,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:32:49,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:51,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-01 03:32:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-01 03:32:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:32:51,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:53,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-01 03:32:53,037 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-01 03:32:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:32:53,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-01 03:32:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-01 03:32:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 03:32:54,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-01 03:32:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-01 03:32:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 03:32:55,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-01 03:32:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-01 03:32:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 03:32:57,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:32:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-01 03:32:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-01 03:32:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 03:32:58,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:59,074 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-01 03:33:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-01 03:33:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 03:33:00,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-01 03:33:02,385 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-01 03:33:02,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 03:33:02,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:05,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-01 03:33:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-01 03:33:05,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 03:33:05,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-01 03:33:08,160 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-01 03:33:08,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:33:08,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:08,586 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-01 03:33:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-01 03:33:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 03:33:10,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-01 03:33:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-01 03:33:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 03:33:13,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-01 03:33:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-01 03:33:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 03:33:15,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-01 03:33:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-01 03:33:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 03:33:18,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-01 03:33:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-01 03:33:20,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 03:33:20,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:23,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-01 03:33:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-01 03:33:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:33:23,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:27,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-01 03:33:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-01 03:33:27,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:33:27,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:28,090 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-01 03:33:30,867 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-01 03:33:30,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:33:30,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:34,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:34,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-01 03:33:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-01 03:33:34,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:33:34,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:37,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-01 03:33:37,717 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-01 03:33:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:33:37,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-01 03:33:41,222 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-01 03:33:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:33:41,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:45,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:45,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-01 03:33:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-01 03:33:45,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:33:45,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:49,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:49,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-01 03:33:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-01 03:33:49,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 03:33:49,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-01 03:33:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-01 03:33:53,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 03:33:53,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:33:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-01 03:33:57,617 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-01 03:33:57,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 03:33:57,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-01 03:34:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-01 03:34:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 03:34:02,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:07,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-01 03:34:07,177 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-01 03:34:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 03:34:07,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-01 03:34:12,822 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-01 03:34:12,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 03:34:12,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:18,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-01 03:34:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-01 03:34:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 03:34:18,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:18,563 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:23,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-01 03:34:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-01 03:34:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 03:34:23,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:24,362 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:29,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-01 03:34:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-01 03:34:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 03:34:29,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-01 03:34:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-01 03:34:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 03:34:35,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:41,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-01 03:34:41,645 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-01 03:34:41,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 03:34:41,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:51,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-01 03:34:51,842 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-01 03:34:51,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 03:34:51,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:34:58,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-01 03:34:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-01 03:34:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 03:34:58,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:35:05,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:35:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-01 03:35:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-01 03:35:05,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 03:35:05,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:35:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:35:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:35:13,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:35:13,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-01 03:35:13,229 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-01 03:35:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 03:35:13,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:35:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:35:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:35:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:35:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-01 03:35:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-01 03:35:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 03:35:20,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:35:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:35:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:35:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:35:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-01 03:35:28,661 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-01 03:35:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 03:35:28,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:35:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:35:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:35:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:35:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-01 03:35:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-01 03:35:37,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 03:35:37,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:35:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:35:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:35:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:35:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-01 03:35:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-01 03:35:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 03:35:45,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:35:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:35:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:35:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:35:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-01 03:35:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-01 03:35:54,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 03:35:54,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:35:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:35:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:36:03,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:03,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-01 03:36:03,954 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-01 03:36:03,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 03:36:03,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:36:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-01 03:36:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-01 03:36:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 03:36:14,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:36:24,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-10-01 03:36:24,812 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-10-01 03:36:24,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-01 03:36:24,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:36:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-10-01 03:36:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-10-01 03:36:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-01 03:36:35,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:36:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:46,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-10-01 03:36:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-10-01 03:36:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 03:36:46,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:36:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:57,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-10-01 03:36:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-10-01 03:36:57,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-01 03:36:57,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:37:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:09,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 168 states and 575 transitions. [2018-10-01 03:37:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 575 transitions. [2018-10-01 03:37:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 03:37:09,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:37:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 172 states and 608 transitions. [2018-10-01 03:37:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 608 transitions. [2018-10-01 03:37:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-01 03:37:20,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:37:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 174 states and 610 transitions. [2018-10-01 03:37:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 610 transitions. [2018-10-01 03:37:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-01 03:37:33,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:37:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 178 states and 644 transitions. [2018-10-01 03:37:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 644 transitions. [2018-10-01 03:37:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-01 03:37:46,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:37:59,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:59,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 180 states and 646 transitions. [2018-10-01 03:37:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 646 transitions. [2018-10-01 03:37:59,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-01 03:37:59,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:38:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 184 states and 681 transitions. [2018-10-01 03:38:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 681 transitions. [2018-10-01 03:38:13,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-01 03:38:13,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:38:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:27,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 186 states and 683 transitions. [2018-10-01 03:38:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 683 transitions. [2018-10-01 03:38:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-01 03:38:27,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:38:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 190 states and 719 transitions. [2018-10-01 03:38:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 719 transitions. [2018-10-01 03:38:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-01 03:38:42,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:38:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:57,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 192 states and 721 transitions. [2018-10-01 03:38:57,234 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 721 transitions. [2018-10-01 03:38:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-01 03:38:57,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:39:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 196 states and 758 transitions. [2018-10-01 03:39:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 758 transitions. [2018-10-01 03:39:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-01 03:39:12,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:39:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 198 states and 760 transitions. [2018-10-01 03:39:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 760 transitions. [2018-10-01 03:39:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-01 03:39:28,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1056 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:39:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 202 states and 798 transitions. [2018-10-01 03:39:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 798 transitions. [2018-10-01 03:39:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-01 03:39:45,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1122 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:40:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 204 states and 800 transitions. [2018-10-01 03:40:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 800 transitions. [2018-10-01 03:40:02,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-01 03:40:02,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1122 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:40:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:19,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 208 states and 839 transitions. [2018-10-01 03:40:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 839 transitions. [2018-10-01 03:40:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-01 03:40:19,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 1190 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:40:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 210 states and 841 transitions. [2018-10-01 03:40:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 841 transitions. [2018-10-01 03:40:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-01 03:40:38,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:39,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1190 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:40:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 214 states and 881 transitions. [2018-10-01 03:40:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 881 transitions. [2018-10-01 03:40:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-01 03:40:56,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1260 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:41:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:41:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 216 states and 883 transitions. [2018-10-01 03:41:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 883 transitions. [2018-10-01 03:41:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-01 03:41:16,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:41:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:41:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1260 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:41:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:41:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 220 states and 924 transitions. [2018-10-01 03:41:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 924 transitions. [2018-10-01 03:41:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-01 03:41:35,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:41:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:41:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 1332 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:41:56,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:41:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 222 states and 926 transitions. [2018-10-01 03:41:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 926 transitions. [2018-10-01 03:41:56,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-01 03:41:56,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:41:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:41:56,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1332 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:42:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:42:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 226 states and 968 transitions. [2018-10-01 03:42:17,184 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 968 transitions. [2018-10-01 03:42:17,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-01 03:42:17,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:42:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:42:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2738 backedges. 1406 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:42:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:42:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 228 states and 970 transitions. [2018-10-01 03:42:38,893 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 970 transitions. [2018-10-01 03:42:38,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-01 03:42:38,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:42:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:42:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1406 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:43:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:43:01,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 232 states and 1013 transitions. [2018-10-01 03:43:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1013 transitions. [2018-10-01 03:43:01,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-01 03:43:01,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:43:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:43:02,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 1482 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:43:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:43:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 234 states and 1015 transitions. [2018-10-01 03:43:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1015 transitions. [2018-10-01 03:43:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-01 03:43:24,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:43:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:43:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1482 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:43:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:43:47,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 238 states and 1059 transitions. [2018-10-01 03:43:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1059 transitions. [2018-10-01 03:43:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-01 03:43:47,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:43:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:43:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3042 backedges. 1560 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:44:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:44:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 240 states and 1061 transitions. [2018-10-01 03:44:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 1061 transitions. [2018-10-01 03:44:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-01 03:44:11,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:44:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:44:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1560 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:44:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:44:36,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 244 states and 1106 transitions. [2018-10-01 03:44:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 1106 transitions. [2018-10-01 03:44:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-01 03:44:36,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:44:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:44:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3200 backedges. 1640 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:45:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:45:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 246 states and 1108 transitions. [2018-10-01 03:45:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 1108 transitions. [2018-10-01 03:45:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-01 03:45:02,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:45:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:45:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 1640 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:45:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:45:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 250 states and 1154 transitions. [2018-10-01 03:45:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1154 transitions. [2018-10-01 03:45:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-01 03:45:28,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:45:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:45:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 1722 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:45:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:45:55,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 252 states and 1156 transitions. [2018-10-01 03:45:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1156 transitions. [2018-10-01 03:45:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-01 03:45:55,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:45:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:45:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1722 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:46:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:46:21,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 256 states and 1203 transitions. [2018-10-01 03:46:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1203 transitions. [2018-10-01 03:46:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-01 03:46:21,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:46:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:46:23,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3528 backedges. 1806 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown