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/toy/tooDifficultLoopInvariant/Octopussy.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 23:08:09,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 23:08:09,720 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 23:08:09,734 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 23:08:09,735 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 23:08:09,736 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 23:08:09,737 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 23:08:09,739 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 23:08:09,741 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 23:08:09,741 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 23:08:09,742 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 23:08:09,743 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 23:08:09,744 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 23:08:09,745 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 23:08:09,746 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 23:08:09,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 23:08:09,747 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 23:08:09,749 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 23:08:09,751 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 23:08:09,753 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 23:08:09,754 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 23:08:09,755 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 23:08:09,758 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 23:08:09,758 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 23:08:09,758 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 23:08:09,759 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 23:08:09,760 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 23:08:09,761 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 23:08:09,762 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 23:08:09,763 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 23:08:09,763 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 23:08:09,764 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 23:08:09,764 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 23:08:09,765 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 23:08:09,766 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 23:08:09,766 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 23:08:09,767 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 23:08:09,782 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 23:08:09,782 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 23:08:09,783 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 23:08:09,783 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 23:08:09,784 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 23:08:09,784 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 23:08:09,785 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 23:08:09,785 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 23:08:09,785 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 23:08:09,785 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 23:08:09,785 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 23:08:09,786 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 23:08:09,786 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 23:08:09,786 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 23:08:09,786 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 23:08:09,786 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 23:08:09,787 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 23:08:09,787 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 23:08:09,787 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 23:08:09,787 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 23:08:09,787 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 23:08:09,788 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 23:08:09,788 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 23:08:09,788 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 23:08:09,788 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 23:08:09,789 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 23:08:09,789 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 23:08:09,789 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 23:08:09,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 23:08:09,789 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 23:08:09,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 23:08:09,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 23:08:09,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 23:08:09,872 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 23:08:09,873 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 23:08:09,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Octopussy.bpl [2018-09-26 23:08:09,874 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Octopussy.bpl' [2018-09-26 23:08:09,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 23:08:09,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 23:08:09,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 23:08:09,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 23:08:09,932 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 23:08:09,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (1/1) ... [2018-09-26 23:08:09,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (1/1) ... [2018-09-26 23:08:09,973 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 23:08:09,973 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 23:08:09,973 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 23:08:09,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 23:08:09,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 23:08:09,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 23:08:09,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 23:08:09,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (1/1) ... [2018-09-26 23:08:09,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (1/1) ... [2018-09-26 23:08:09,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (1/1) ... [2018-09-26 23:08:09,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (1/1) ... [2018-09-26 23:08:09,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (1/1) ... [2018-09-26 23:08:09,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (1/1) ... [2018-09-26 23:08:09,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (1/1) ... [2018-09-26 23:08:10,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 23:08:10,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 23:08:10,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 23:08:10,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 23:08:10,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:08:09" (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 23:08:10,084 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 23:08:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 23:08:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 23:08:10,232 INFO L343 CfgBuilder]: Using library mode [2018-09-26 23:08:10,233 INFO L202 PluginConnector]: Adding new model Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:08:10 BoogieIcfgContainer [2018-09-26 23:08:10,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 23:08:10,233 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 23:08:10,234 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 23:08:10,245 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 23:08:10,245 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:08:10" (1/1) ... [2018-09-26 23:08:10,258 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 23:08:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-26 23:08:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-26 23:08:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 23:08:10,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:10,448 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 23:08:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-26 23:08:10,789 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-26 23:08:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 23:08:10,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-09-26 23:08:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-09-26 23:08:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 23:08:11,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:11,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:11,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-09-26 23:08:11,782 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-09-26 23:08:11,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 23:08:11,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:11,839 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 23:08:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 10 states and 16 transitions. [2018-09-26 23:08:12,595 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 16 transitions. [2018-09-26 23:08:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 23:08:12,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2018-09-26 23:08:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2018-09-26 23:08:13,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 23:08:13,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:15,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2018-09-26 23:08:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2018-09-26 23:08:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 23:08:15,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2018-09-26 23:08:15,853 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2018-09-26 23:08:15,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 23:08:15,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:16,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:16,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 14 states and 24 transitions. [2018-09-26 23:08:16,225 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2018-09-26 23:08:16,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 23:08:16,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:16,336 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2018-09-26 23:08:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2018-09-26 23:08:16,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 23:08:16,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 16 states and 28 transitions. [2018-09-26 23:08:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2018-09-26 23:08:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 23:08:17,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:18,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:18,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2018-09-26 23:08:18,327 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2018-09-26 23:08:18,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 23:08:18,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2018-09-26 23:08:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2018-09-26 23:08:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 23:08:18,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:20,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2018-09-26 23:08:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2018-09-26 23:08:20,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 23:08:20,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:20,350 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 36 transitions. [2018-09-26 23:08:21,338 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 36 transitions. [2018-09-26 23:08:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 23:08:21,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 21 states and 38 transitions. [2018-09-26 23:08:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 38 transitions. [2018-09-26 23:08:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 23:08:21,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 22 states and 40 transitions. [2018-09-26 23:08:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 40 transitions. [2018-09-26 23:08:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 23:08:22,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:22,694 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2018-09-26 23:08:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2018-09-26 23:08:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 23:08:23,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:24,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2018-09-26 23:08:24,107 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2018-09-26 23:08:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 23:08:24,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:24,243 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:24,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 25 states and 46 transitions. [2018-09-26 23:08:24,655 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 46 transitions. [2018-09-26 23:08:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 23:08:24,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2018-09-26 23:08:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2018-09-26 23:08:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 23:08:25,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:25,309 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 23:08:25,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:25,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2018-09-26 23:08:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2018-09-26 23:08:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 23:08:25,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:26,069 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2018-09-26 23:08:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2018-09-26 23:08:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 23:08:26,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:27,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2018-09-26 23:08:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2018-09-26 23:08:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 23:08:27,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:29,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2018-09-26 23:08:29,011 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2018-09-26 23:08:29,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 23:08:29,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2018-09-26 23:08:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2018-09-26 23:08:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 23:08:29,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:30,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2018-09-26 23:08:30,692 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2018-09-26 23:08:30,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 23:08:30,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2018-09-26 23:08:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2018-09-26 23:08:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 23:08:31,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2018-09-26 23:08:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2018-09-26 23:08:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 23:08:33,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 66 transitions. [2018-09-26 23:08:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2018-09-26 23:08:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 23:08:34,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:35,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:35,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2018-09-26 23:08:35,344 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2018-09-26 23:08:35,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 23:08:35,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2018-09-26 23:08:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2018-09-26 23:08:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 23:08:36,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2018-09-26 23:08:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2018-09-26 23:08:38,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 23:08:38,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2018-09-26 23:08:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2018-09-26 23:08:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 23:08:39,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:40,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2018-09-26 23:08:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2018-09-26 23:08:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 23:08:40,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 78 transitions. [2018-09-26 23:08:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2018-09-26 23:08:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 23:08:41,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2018-09-26 23:08:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2018-09-26 23:08:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 23:08:42,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:43,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2018-09-26 23:08:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2018-09-26 23:08:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 23:08:43,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:45,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 84 transitions. [2018-09-26 23:08:45,090 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 84 transitions. [2018-09-26 23:08:45,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 23:08:45,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:46,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 86 transitions. [2018-09-26 23:08:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2018-09-26 23:08:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 23:08:46,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:47,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-09-26 23:08:47,773 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-09-26 23:08:47,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 23:08:47,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:47,976 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2018-09-26 23:08:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2018-09-26 23:08:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 23:08:49,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:50,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 48 states and 92 transitions. [2018-09-26 23:08:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 92 transitions. [2018-09-26 23:08:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 23:08:50,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 94 transitions. [2018-09-26 23:08:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2018-09-26 23:08:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 23:08:52,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 96 transitions. [2018-09-26 23:08:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 96 transitions. [2018-09-26 23:08:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 23:08:54,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:54,509 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2018-09-26 23:08:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2018-09-26 23:08:55,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 23:08:55,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:56,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2018-09-26 23:08:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2018-09-26 23:08:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 23:08:57,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 102 transitions. [2018-09-26 23:08:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2018-09-26 23:08:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 23:08:59,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2018-09-26 23:09:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2018-09-26 23:09:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 23:09:01,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:03,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 55 states and 106 transitions. [2018-09-26 23:09:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 106 transitions. [2018-09-26 23:09:03,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 23:09:03,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2018-09-26 23:09:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2018-09-26 23:09:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 23:09:06,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 57 states and 110 transitions. [2018-09-26 23:09:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 110 transitions. [2018-09-26 23:09:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 23:09:07,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:10,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2018-09-26 23:09:10,067 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2018-09-26 23:09:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 23:09:10,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 59 states and 114 transitions. [2018-09-26 23:09:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 114 transitions. [2018-09-26 23:09:12,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 23:09:12,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:14,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-09-26 23:09:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-09-26 23:09:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 23:09:14,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:16,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 61 states and 118 transitions. [2018-09-26 23:09:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2018-09-26 23:09:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 23:09:16,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:19,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 120 transitions. [2018-09-26 23:09:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 120 transitions. [2018-09-26 23:09:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 23:09:19,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 122 transitions. [2018-09-26 23:09:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 122 transitions. [2018-09-26 23:09:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 23:09:21,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 64 states and 124 transitions. [2018-09-26 23:09:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 124 transitions. [2018-09-26 23:09:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-26 23:09:24,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 65 states and 126 transitions. [2018-09-26 23:09:26,976 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 126 transitions. [2018-09-26 23:09:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 23:09:26,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 66 states and 128 transitions. [2018-09-26 23:09:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 128 transitions. [2018-09-26 23:09:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-26 23:09:29,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2018-09-26 23:09:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2018-09-26 23:09:32,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 23:09:32,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 132 transitions. [2018-09-26 23:09:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2018-09-26 23:09:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-26 23:09:35,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 69 states and 134 transitions. [2018-09-26 23:09:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 134 transitions. [2018-09-26 23:09:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 23:09:42,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:45,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2018-09-26 23:09:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2018-09-26 23:09:45,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-26 23:09:45,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2018-09-26 23:09:48,662 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2018-09-26 23:09:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 23:09:48,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:51,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2018-09-26 23:09:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2018-09-26 23:09:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 23:09:51,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:52,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:55,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 142 transitions. [2018-09-26 23:09:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2018-09-26 23:09:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 23:09:55,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 144 transitions. [2018-09-26 23:09:58,366 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 144 transitions. [2018-09-26 23:09:58,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-26 23:09:58,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 75 states and 146 transitions. [2018-09-26 23:10:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 146 transitions. [2018-09-26 23:10:01,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 23:10:01,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:05,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 76 states and 148 transitions. [2018-09-26 23:10:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 148 transitions. [2018-09-26 23:10:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-26 23:10:05,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:08,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:08,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 77 states and 150 transitions. [2018-09-26 23:10:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions. [2018-09-26 23:10:08,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 23:10:08,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 78 states and 152 transitions. [2018-09-26 23:10:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 152 transitions. [2018-09-26 23:10:12,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-26 23:10:12,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:16,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 79 states and 154 transitions. [2018-09-26 23:10:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 154 transitions. [2018-09-26 23:10:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 23:10:16,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 80 states and 156 transitions. [2018-09-26 23:10:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 156 transitions. [2018-09-26 23:10:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-26 23:10:20,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:24,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 158 transitions. [2018-09-26 23:10:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 158 transitions. [2018-09-26 23:10:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 23:10:24,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 82 states and 160 transitions. [2018-09-26 23:10:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 160 transitions. [2018-09-26 23:10:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-26 23:10:28,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:32,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 83 states and 162 transitions. [2018-09-26 23:10:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 162 transitions. [2018-09-26 23:10:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 23:10:32,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:32,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 164 transitions. [2018-09-26 23:10:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2018-09-26 23:10:36,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-26 23:10:36,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 85 states and 166 transitions. [2018-09-26 23:10:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 166 transitions. [2018-09-26 23:10:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 23:10:40,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 86 states and 168 transitions. [2018-09-26 23:10:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 168 transitions. [2018-09-26 23:10:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-26 23:10:45,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 87 states and 170 transitions. [2018-09-26 23:10:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 170 transitions. [2018-09-26 23:10:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 23:10:50,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 88 states and 172 transitions. [2018-09-26 23:10:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 172 transitions. [2018-09-26 23:10:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-26 23:10:55,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 89 states and 174 transitions. [2018-09-26 23:11:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 174 transitions. [2018-09-26 23:11:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 23:11:00,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 90 states and 176 transitions. [2018-09-26 23:11:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 176 transitions. [2018-09-26 23:11:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-26 23:11:04,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:09,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 91 states and 178 transitions. [2018-09-26 23:11:09,911 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 178 transitions. [2018-09-26 23:11:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 23:11:09,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 92 states and 180 transitions. [2018-09-26 23:11:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 180 transitions. [2018-09-26 23:11:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-26 23:11:14,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 93 states and 182 transitions. [2018-09-26 23:11:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 182 transitions. [2018-09-26 23:11:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 23:11:20,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:25,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 94 states and 184 transitions. [2018-09-26 23:11:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 184 transitions. [2018-09-26 23:11:25,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-26 23:11:25,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 95 states and 186 transitions. [2018-09-26 23:11:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 186 transitions. [2018-09-26 23:11:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 23:11:30,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:31,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:36,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 96 states and 188 transitions. [2018-09-26 23:11:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 188 transitions. [2018-09-26 23:11:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-26 23:11:36,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 97 states and 190 transitions. [2018-09-26 23:11:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 190 transitions. [2018-09-26 23:11:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 23:11:42,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:47,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:47,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 98 states and 192 transitions. [2018-09-26 23:11:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 192 transitions. [2018-09-26 23:11:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-26 23:11:47,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 99 states and 194 transitions. [2018-09-26 23:11:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 194 transitions. [2018-09-26 23:11:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 23:11:53,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 100 states and 196 transitions. [2018-09-26 23:11:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 196 transitions. [2018-09-26 23:11:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-26 23:11:59,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:12:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:12:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:12:05,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 101 states and 198 transitions. [2018-09-26 23:12:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 198 transitions. [2018-09-26 23:12:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-26 23:12:05,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:12:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:12:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:12:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:12:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 102 states and 200 transitions. [2018-09-26 23:12:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 200 transitions. [2018-09-26 23:12:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-26 23:12:12,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:12:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:12:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:12:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:12:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 103 states and 202 transitions. [2018-09-26 23:12:18,613 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 202 transitions. [2018-09-26 23:12:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 23:12:18,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:12:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:12:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:12:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:12:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 104 states and 204 transitions. [2018-09-26 23:12:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 204 transitions. [2018-09-26 23:12:25,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-26 23:12:25,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:12:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:12:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:12:31,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:12:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 105 states and 206 transitions. [2018-09-26 23:12:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 206 transitions. [2018-09-26 23:12:31,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-26 23:12:31,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:12:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:12:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown