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/HiddenEqualityWithBranches.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:53:47,705 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:53:47,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:53:47,722 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:53:47,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:53:47,724 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:53:47,728 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:53:47,730 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:53:47,733 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:53:47,741 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:53:47,744 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:53:47,744 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:53:47,745 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:53:47,746 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:53:47,747 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:53:47,748 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:53:47,750 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:53:47,753 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:53:47,756 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:53:47,761 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:53:47,763 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:53:47,764 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:53:47,767 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:53:47,767 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:53:47,767 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:53:47,768 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:53:47,770 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:53:47,770 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:53:47,771 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:53:47,774 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:53:47,774 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:53:47,775 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:53:47,775 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:53:47,775 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:53:47,778 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:53:47,779 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:53:47,779 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 13:53:47,809 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:53:47,810 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:53:47,812 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:53:47,812 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:53:47,812 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:53:47,813 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:53:47,813 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:53:47,813 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:53:47,813 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:53:47,813 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:53:47,814 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:53:47,815 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:53:47,815 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:53:47,815 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:53:47,815 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:53:47,815 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:53:47,816 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:53:47,816 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:53:47,816 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:53:47,816 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:53:47,816 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:53:47,818 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:53:47,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:53:47,818 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:53:47,818 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:53:47,818 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:53:47,819 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:53:47,819 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:53:47,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:53:47,819 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:53:47,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:53:47,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:53:47,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:53:47,906 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:53:47,906 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:53:47,907 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-10-04 13:53:47,908 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-10-04 13:53:47,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:53:47,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:53:47,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:53:47,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:53:47,959 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:53:47,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... [2018-10-04 13:53:47,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... [2018-10-04 13:53:47,995 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:53:47,995 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:53:47,995 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:53:47,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:53:47,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:53:47,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:53:47,999 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:53:48,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... [2018-10-04 13:53:48,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... [2018-10-04 13:53:48,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... [2018-10-04 13:53:48,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... [2018-10-04 13:53:48,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... [2018-10-04 13:53:48,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... [2018-10-04 13:53:48,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... [2018-10-04 13:53:48,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:53:48,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:53:48,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:53:48,024 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:53:48,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:53:48,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 13:53:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 13:53:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 13:53:48,452 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:53:48,453 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:53:48 BoogieIcfgContainer [2018-10-04 13:53:48,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:53:48,454 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:53:48,454 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:53:48,468 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:53:48,468 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:53:48" (1/1) ... [2018-10-04 13:53:48,482 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:53:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-04 13:53:48,527 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-04 13:53:48,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-04 13:53:48,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-04 13:53:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-04 13:53:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:53:48,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-04 13:53:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-04 13:53:49,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:53:49,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 7 states and 13 transitions. [2018-10-04 13:53:49,843 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 13 transitions. [2018-10-04 13:53:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:53:49,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:50,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-04 13:53:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-04 13:53:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:53:50,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-04 13:53:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-04 13:53:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:53:51,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:51,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 10 states and 22 transitions. [2018-10-04 13:53:51,476 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 22 transitions. [2018-10-04 13:53:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:53:51,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 11 states and 25 transitions. [2018-10-04 13:53:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 25 transitions. [2018-10-04 13:53:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:53:52,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 12 states and 28 transitions. [2018-10-04 13:53:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 28 transitions. [2018-10-04 13:53:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:53:52,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 13 states and 31 transitions. [2018-10-04 13:53:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 31 transitions. [2018-10-04 13:53:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:53:53,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:53,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 14 states and 34 transitions. [2018-10-04 13:53:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 34 transitions. [2018-10-04 13:53:53,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:53:53,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-10-04 13:53:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-10-04 13:53:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:53:54,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 16 states and 40 transitions. [2018-10-04 13:53:55,204 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 40 transitions. [2018-10-04 13:53:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:53:55,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 43 transitions. [2018-10-04 13:53:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 43 transitions. [2018-10-04 13:53:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:53:55,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-04 13:53:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-04 13:53:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:53:56,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-04 13:53:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-04 13:53:57,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:53:57,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:57,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 20 states and 52 transitions. [2018-10-04 13:53:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 52 transitions. [2018-10-04 13:53:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:53:57,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 55 transitions. [2018-10-04 13:53:58,635 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-10-04 13:53:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:53:58,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:53:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 22 states and 58 transitions. [2018-10-04 13:53:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 58 transitions. [2018-10-04 13:53:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:53:59,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2018-10-04 13:54:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2018-10-04 13:54:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:54:00,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 24 states and 64 transitions. [2018-10-04 13:54:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 64 transitions. [2018-10-04 13:54:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:54:01,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:02,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:02,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2018-10-04 13:54:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2018-10-04 13:54:02,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:54:02,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 26 states and 70 transitions. [2018-10-04 13:54:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 70 transitions. [2018-10-04 13:54:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:54:02,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:03,575 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 25 new depth: 24 [2018-10-04 13:54:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 27 states and 73 transitions. [2018-10-04 13:54:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 73 transitions. [2018-10-04 13:54:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:54:03,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 28 states and 76 transitions. [2018-10-04 13:54:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 76 transitions. [2018-10-04 13:54:05,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:54:05,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 79 transitions. [2018-10-04 13:54:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 79 transitions. [2018-10-04 13:54:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:54:05,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:06,904 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:07,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 30 states and 82 transitions. [2018-10-04 13:54:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 82 transitions. [2018-10-04 13:54:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:54:07,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:08,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2018-10-04 13:54:08,149 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2018-10-04 13:54:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:54:08,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 32 states and 88 transitions. [2018-10-04 13:54:08,865 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 88 transitions. [2018-10-04 13:54:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:54:08,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:09,254 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:09,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 91 transitions. [2018-10-04 13:54:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 91 transitions. [2018-10-04 13:54:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:54:09,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:10,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 34 states and 94 transitions. [2018-10-04 13:54:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 94 transitions. [2018-10-04 13:54:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:54:10,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-04 13:54:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-04 13:54:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:54:11,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 36 states and 100 transitions. [2018-10-04 13:54:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 100 transitions. [2018-10-04 13:54:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:54:13,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:14,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 37 states and 103 transitions. [2018-10-04 13:54:14,723 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 103 transitions. [2018-10-04 13:54:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:54:14,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2018-10-04 13:54:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2018-10-04 13:54:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:54:15,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:17,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2018-10-04 13:54:17,376 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2018-10-04 13:54:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:54:17,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 40 states and 112 transitions. [2018-10-04 13:54:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 112 transitions. [2018-10-04 13:54:18,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:54:18,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:19,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:19,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 115 transitions. [2018-10-04 13:54:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 115 transitions. [2018-10-04 13:54:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:54:19,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:19,647 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 118 transitions. [2018-10-04 13:54:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 118 transitions. [2018-10-04 13:54:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:54:21,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 43 states and 121 transitions. [2018-10-04 13:54:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 121 transitions. [2018-10-04 13:54:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:54:23,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2018-10-04 13:54:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2018-10-04 13:54:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:54:24,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:26,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2018-10-04 13:54:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2018-10-04 13:54:26,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:54:26,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 46 states and 130 transitions. [2018-10-04 13:54:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 130 transitions. [2018-10-04 13:54:27,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:54:27,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:27,923 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 44 new depth: 44 [2018-10-04 13:54:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-10-04 13:54:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-10-04 13:54:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:54:28,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2018-10-04 13:54:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2018-10-04 13:54:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:54:29,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:31,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 49 states and 139 transitions. [2018-10-04 13:54:31,227 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 139 transitions. [2018-10-04 13:54:31,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:54:31,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:31,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 142 transitions. [2018-10-04 13:54:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 142 transitions. [2018-10-04 13:54:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:54:32,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 51 states and 145 transitions. [2018-10-04 13:54:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 145 transitions. [2018-10-04 13:54:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:54:33,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 52 states and 148 transitions. [2018-10-04 13:54:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 148 transitions. [2018-10-04 13:54:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:54:34,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:36,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 53 states and 151 transitions. [2018-10-04 13:54:36,193 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 151 transitions. [2018-10-04 13:54:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:54:36,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:37,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2018-10-04 13:54:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2018-10-04 13:54:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:54:37,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:38,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2018-10-04 13:54:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2018-10-04 13:54:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:54:38,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 160 transitions. [2018-10-04 13:54:40,113 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 160 transitions. [2018-10-04 13:54:40,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:54:40,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:41,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 57 states and 163 transitions. [2018-10-04 13:54:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 163 transitions. [2018-10-04 13:54:41,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:54:41,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 58 states and 166 transitions. [2018-10-04 13:54:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 166 transitions. [2018-10-04 13:54:42,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:54:42,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:44,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2018-10-04 13:54:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2018-10-04 13:54:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:54:44,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:45,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:45,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 60 states and 172 transitions. [2018-10-04 13:54:45,490 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 172 transitions. [2018-10-04 13:54:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:54:45,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:49,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:49,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 61 states and 175 transitions. [2018-10-04 13:54:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 175 transitions. [2018-10-04 13:54:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:54:49,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2018-10-04 13:54:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2018-10-04 13:54:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:54:50,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:52,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 63 states and 181 transitions. [2018-10-04 13:54:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 181 transitions. [2018-10-04 13:54:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 13:54:52,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 184 transitions. [2018-10-04 13:54:53,885 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 184 transitions. [2018-10-04 13:54:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:54:53,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 65 states and 187 transitions. [2018-10-04 13:54:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 187 transitions. [2018-10-04 13:54:55,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:54:55,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:56,086 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 63 new depth: 63 [2018-10-04 13:54:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:57,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 66 states and 190 transitions. [2018-10-04 13:54:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 190 transitions. [2018-10-04 13:54:57,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:54:57,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:54:58,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:58,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 67 states and 193 transitions. [2018-10-04 13:54:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 193 transitions. [2018-10-04 13:54:58,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:54:58,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:59,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:01,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:01,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 68 states and 196 transitions. [2018-10-04 13:55:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2018-10-04 13:55:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:55:01,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:02,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:03,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:03,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 199 transitions. [2018-10-04 13:55:03,684 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2018-10-04 13:55:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 13:55:03,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 70 states and 202 transitions. [2018-10-04 13:55:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 202 transitions. [2018-10-04 13:55:05,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:55:05,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 205 transitions. [2018-10-04 13:55:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2018-10-04 13:55:07,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:55:07,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 208 transitions. [2018-10-04 13:55:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 208 transitions. [2018-10-04 13:55:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:55:08,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:10,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2018-10-04 13:55:10,323 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2018-10-04 13:55:10,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 13:55:10,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:12,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 214 transitions. [2018-10-04 13:55:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 214 transitions. [2018-10-04 13:55:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:55:12,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 75 states and 217 transitions. [2018-10-04 13:55:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2018-10-04 13:55:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 13:55:13,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:15,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 76 states and 220 transitions. [2018-10-04 13:55:15,696 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2018-10-04 13:55:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:55:15,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:17,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 77 states and 223 transitions. [2018-10-04 13:55:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 223 transitions. [2018-10-04 13:55:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 13:55:17,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 226 transitions. [2018-10-04 13:55:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 226 transitions. [2018-10-04 13:55:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:55:19,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 229 transitions. [2018-10-04 13:55:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 229 transitions. [2018-10-04 13:55:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 13:55:21,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:23,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:23,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2018-10-04 13:55:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2018-10-04 13:55:23,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:55:23,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 81 states and 235 transitions. [2018-10-04 13:55:26,069 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 235 transitions. [2018-10-04 13:55:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 13:55:26,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:28,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2018-10-04 13:55:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2018-10-04 13:55:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:55:28,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2018-10-04 13:55:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2018-10-04 13:55:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 13:55:29,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:31,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2018-10-04 13:55:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2018-10-04 13:55:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:55:31,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 85 states and 247 transitions. [2018-10-04 13:55:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2018-10-04 13:55:33,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 13:55:33,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 250 transitions. [2018-10-04 13:55:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 250 transitions. [2018-10-04 13:55:35,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:55:35,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:38,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 253 transitions. [2018-10-04 13:55:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 253 transitions. [2018-10-04 13:55:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 13:55:38,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:39,151 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 85 new depth: 85 [2018-10-04 13:55:39,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 256 transitions. [2018-10-04 13:55:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 256 transitions. [2018-10-04 13:55:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:55:40,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 89 states and 259 transitions. [2018-10-04 13:55:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 259 transitions. [2018-10-04 13:55:43,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 13:55:43,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 90 states and 262 transitions. [2018-10-04 13:55:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2018-10-04 13:55:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:55:45,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:47,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:47,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 265 transitions. [2018-10-04 13:55:47,244 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 265 transitions. [2018-10-04 13:55:47,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 13:55:47,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 268 transitions. [2018-10-04 13:55:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 268 transitions. [2018-10-04 13:55:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:55:49,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 93 states and 271 transitions. [2018-10-04 13:55:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2018-10-04 13:55:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 13:55:51,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 94 states and 274 transitions. [2018-10-04 13:55:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 274 transitions. [2018-10-04 13:55:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:55:53,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2018-10-04 13:55:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2018-10-04 13:55:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 13:55:56,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 280 transitions. [2018-10-04 13:55:58,522 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 280 transitions. [2018-10-04 13:55:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:55:58,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2018-10-04 13:56:00,760 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2018-10-04 13:56:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 13:56:00,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 98 states and 286 transitions. [2018-10-04 13:56:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2018-10-04 13:56:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:56:03,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:05,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2018-10-04 13:56:05,540 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2018-10-04 13:56:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 13:56:05,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2018-10-04 13:56:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2018-10-04 13:56:07,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 13:56:07,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:10,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 101 states and 295 transitions. [2018-10-04 13:56:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 295 transitions. [2018-10-04 13:56:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 13:56:10,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2018-10-04 13:56:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2018-10-04 13:56:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:56:12,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 103 states and 301 transitions. [2018-10-04 13:56:15,378 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 301 transitions. [2018-10-04 13:56:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 13:56:15,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 104 states and 304 transitions. [2018-10-04 13:56:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2018-10-04 13:56:17,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 13:56:17,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:20,173 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 106 new depth: 102 [2018-10-04 13:56:23,880 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 123 new depth: 113 [2018-10-04 13:56:28,124 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 134 new depth: 129 [2018-10-04 13:56:33,207 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 150 new depth: 146 [2018-10-04 13:56:38,878 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 167 new depth: 165 [2018-10-04 13:56:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:51,222 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 189 new depth: 183 [2018-10-04 13:57:04,652 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 206 new depth: 183 [2018-10-04 13:57:17,848 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 206 new depth: 187 [2018-10-04 13:57:37,766 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 210 new depth: 184 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown