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/count_by_1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:48:25,436 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:48:25,438 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:48:25,458 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:48:25,459 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:48:25,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:48:25,462 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:48:25,465 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:48:25,474 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:48:25,475 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:48:25,479 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:48:25,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:48:25,480 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:48:25,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:48:25,482 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:48:25,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:48:25,487 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:48:25,489 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:48:25,494 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:48:25,496 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:48:25,497 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:48:25,498 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:48:25,501 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:48:25,501 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:48:25,501 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:48:25,502 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:48:25,503 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:48:25,504 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:48:25,505 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:48:25,507 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:48:25,508 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:48:25,509 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:48:25,509 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:48:25,511 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:48:25,512 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:48:25,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:48:25,515 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-26 22:48:25,546 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:48:25,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:48:25,547 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:48:25,547 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:48:25,548 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:48:25,548 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:48:25,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:48:25,550 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:48:25,550 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:48:25,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:48:25,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:48:25,551 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:48:25,551 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:48:25,551 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:48:25,551 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:48:25,552 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:48:25,552 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:48:25,552 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:48:25,552 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:48:25,552 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:48:25,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:48:25,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:48:25,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:48:25,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:48:25,555 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:48:25,555 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:48:25,555 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:48:25,555 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:48:25,556 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:48:25,556 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:48:25,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:48:25,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:48:25,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:48:25,664 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:48:25,664 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:48:25,665 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1.i_3.bpl [2018-09-26 22:48:25,666 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1.i_3.bpl' [2018-09-26 22:48:25,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:48:25,735 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:48:25,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:48:25,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:48:25,737 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:48:25,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... [2018-09-26 22:48:25,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... [2018-09-26 22:48:25,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:48:25,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:48:25,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:48:25,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:48:25,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... [2018-09-26 22:48:25,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... [2018-09-26 22:48:25,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... [2018-09-26 22:48:25,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... [2018-09-26 22:48:25,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... [2018-09-26 22:48:25,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... [2018-09-26 22:48:25,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... [2018-09-26 22:48:25,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:48:25,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:48:25,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:48:25,803 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:48:25,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:48:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:48:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:48:26,105 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:48:26,106 INFO L202 PluginConnector]: Adding new model count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:48:26 BoogieIcfgContainer [2018-09-26 22:48:26,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:48:26,107 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:48:26,107 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:48:26,120 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:48:26,120 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:48:26" (1/1) ... [2018-09-26 22:48:26,139 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:48:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 22:48:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 22:48:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:48:26,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:26,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-26 22:48:26,710 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-26 22:48:26,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:48:26,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-26 22:48:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-26 22:48:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:48:27,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-26 22:48:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-26 22:48:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:48:27,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:28,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-26 22:48:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-26 22:48:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:48:29,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-26 22:48:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-26 22:48:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:48:31,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-26 22:48:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-26 22:48:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:48:31,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-26 22:48:32,262 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-26 22:48:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:48:32,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:32,336 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:32,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:32,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-26 22:48:32,761 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-26 22:48:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:48:32,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-26 22:48:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-26 22:48:33,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:48:33,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-26 22:48:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-26 22:48:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:48:35,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:35,388 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:36,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:36,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-26 22:48:36,696 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-26 22:48:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:48:36,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-26 22:48:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-26 22:48:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:48:37,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:37,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-26 22:48:37,793 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-26 22:48:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:48:37,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-26 22:48:38,596 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-26 22:48:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:48:38,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-26 22:48:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-26 22:48:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:48:39,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-26 22:48:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-26 22:48:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:48:39,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:40,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-26 22:48:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-26 22:48:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:48:40,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:41,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-26 22:48:41,799 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-26 22:48:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:48:41,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-26 22:48:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-26 22:48:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:48:43,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:43,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-26 22:48:43,879 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-26 22:48:43,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:48:43,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-26 22:48:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-26 22:48:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:48:44,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:45,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-26 22:48:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-26 22:48:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:48:45,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:45,915 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:46,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-09-26 22:48:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-09-26 22:48:46,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:48:46,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-09-26 22:48:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-09-26 22:48:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:48:47,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:49,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-09-26 22:48:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-09-26 22:48:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:48:49,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:49,400 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:50,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-09-26 22:48:50,328 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-26 22:48:50,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:48:50,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-09-26 22:48:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-26 22:48:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:48:51,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-09-26 22:48:54,095 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-09-26 22:48:54,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:48:54,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:55,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-09-26 22:48:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-09-26 22:48:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:48:55,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:56,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-09-26 22:48:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-09-26 22:48:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:48:56,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:57,179 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-09-26 22:48:58,374 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-09-26 22:48:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:48:58,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-09-26 22:49:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-09-26 22:49:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:49:00,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-09-26 22:49:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-09-26 22:49:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:49:01,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:04,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-09-26 22:49:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-09-26 22:49:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:49:04,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-09-26 22:49:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-09-26 22:49:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 22:49:06,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-09-26 22:49:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-09-26 22:49:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 22:49:08,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:10,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-09-26 22:49:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-09-26 22:49:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 22:49:10,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:11,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-09-26 22:49:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-09-26 22:49:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:49:11,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-09-26 22:49:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-09-26 22:49:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:49:14,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-09-26 22:49:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-09-26 22:49:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:49:16,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:18,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-09-26 22:49:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-09-26 22:49:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 22:49:18,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-09-26 22:49:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-09-26 22:49:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 22:49:20,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-09-26 22:49:22,972 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-09-26 22:49:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:49:22,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:25,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 93 states and 94 transitions. [2018-09-26 22:49:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-09-26 22:49:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 22:49:25,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-09-26 22:49:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-09-26 22:49:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 22:49:28,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2018-09-26 22:49:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-09-26 22:49:31,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 22:49:31,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 99 states and 100 transitions. [2018-09-26 22:49:34,058 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-09-26 22:49:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-26 22:49:34,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-09-26 22:49:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-09-26 22:49:41,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 22:49:41,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 103 states and 104 transitions. [2018-09-26 22:49:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-09-26 22:49:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-26 22:49:45,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:46,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 105 states and 106 transitions. [2018-09-26 22:49:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-09-26 22:49:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-26 22:49:48,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-09-26 22:49:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-09-26 22:49:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-26 22:49:51,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 109 states and 110 transitions. [2018-09-26 22:49:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-09-26 22:49:55,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-26 22:49:55,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 111 states and 112 transitions. [2018-09-26 22:49:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-09-26 22:49:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-26 22:49:58,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-09-26 22:50:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-09-26 22:50:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-26 22:50:02,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 115 states and 116 transitions. [2018-09-26 22:50:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-09-26 22:50:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-26 22:50:05,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 117 states and 118 transitions. [2018-09-26 22:50:11,198 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-09-26 22:50:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-26 22:50:11,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:14,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 119 states and 120 transitions. [2018-09-26 22:50:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-09-26 22:50:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-26 22:50:14,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:18,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:18,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 121 states and 122 transitions. [2018-09-26 22:50:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-09-26 22:50:18,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-26 22:50:18,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 123 states and 124 transitions. [2018-09-26 22:50:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-09-26 22:50:23,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-26 22:50:23,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:27,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 125 states and 126 transitions. [2018-09-26 22:50:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-09-26 22:50:27,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-26 22:50:27,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 127 states and 128 transitions. [2018-09-26 22:50:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2018-09-26 22:50:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-26 22:50:32,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:36,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 129 states and 130 transitions. [2018-09-26 22:50:36,425 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-09-26 22:50:36,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-26 22:50:36,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:40,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 131 states and 132 transitions. [2018-09-26 22:50:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-09-26 22:50:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-26 22:50:40,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 133 states and 134 transitions. [2018-09-26 22:50:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-09-26 22:50:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-26 22:50:45,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 135 states and 136 transitions. [2018-09-26 22:50:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2018-09-26 22:50:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-26 22:50:50,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 137 states and 138 transitions. [2018-09-26 22:50:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-09-26 22:50:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-26 22:50:55,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:00,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:00,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 139 states and 140 transitions. [2018-09-26 22:51:00,197 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-09-26 22:51:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-26 22:51:00,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 141 states and 142 transitions. [2018-09-26 22:51:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-09-26 22:51:06,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-26 22:51:06,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 143 states and 144 transitions. [2018-09-26 22:51:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-09-26 22:51:11,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-26 22:51:11,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:11,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:16,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 145 states and 146 transitions. [2018-09-26 22:51:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-09-26 22:51:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-26 22:51:16,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 147 states and 148 transitions. [2018-09-26 22:51:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-09-26 22:51:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-26 22:51:22,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 149 states and 150 transitions. [2018-09-26 22:51:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-09-26 22:51:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-26 22:51:27,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:33,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 151 states and 152 transitions. [2018-09-26 22:51:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2018-09-26 22:51:33,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-26 22:51:33,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 153 states and 154 transitions. [2018-09-26 22:51:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-09-26 22:51:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-26 22:51:39,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 155 states and 156 transitions. [2018-09-26 22:51:46,234 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2018-09-26 22:51:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-26 22:51:46,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 157 states and 158 transitions. [2018-09-26 22:51:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2018-09-26 22:51:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-26 22:51:52,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 159 states and 160 transitions. [2018-09-26 22:51:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 160 transitions. [2018-09-26 22:51:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-09-26 22:51:59,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:05,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 161 states and 162 transitions. [2018-09-26 22:52:05,847 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2018-09-26 22:52:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-26 22:52:05,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 163 states and 164 transitions. [2018-09-26 22:52:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2018-09-26 22:52:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-09-26 22:52:12,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:19,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 165 states and 166 transitions. [2018-09-26 22:52:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 166 transitions. [2018-09-26 22:52:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-26 22:52:19,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:20,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 167 states and 168 transitions. [2018-09-26 22:52:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2018-09-26 22:52:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-26 22:52:26,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:34,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 169 states and 170 transitions. [2018-09-26 22:52:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2018-09-26 22:52:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-26 22:52:34,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 171 states and 172 transitions. [2018-09-26 22:52:41,922 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2018-09-26 22:52:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-26 22:52:41,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown