java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:47:11,746 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:47:11,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:47:11,761 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:47:11,761 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:47:11,762 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:47:11,764 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:47:11,767 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:47:11,769 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:47:11,775 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:47:11,776 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:47:11,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:47:11,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:47:11,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:47:11,786 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:47:11,787 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:47:11,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:47:11,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:47:11,795 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:47:11,799 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:47:11,800 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:47:11,801 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:47:11,803 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:47:11,803 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:47:11,804 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:47:11,804 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:47:11,805 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:47:11,806 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:47:11,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:47:11,808 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:47:11,808 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:47:11,808 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:47:11,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:47:11,809 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:47:11,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:47:11,810 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:47:11,811 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 13:47:11,827 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:47:11,827 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:47:11,828 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:47:11,828 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:47:11,829 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:47:11,829 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:47:11,829 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:47:11,829 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:47:11,830 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:47:11,830 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:47:11,830 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:47:11,830 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:47:11,830 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:47:11,831 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:47:11,831 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:47:11,831 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:47:11,831 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:47:11,831 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:47:11,832 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:47:11,832 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:47:11,832 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:47:11,832 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:47:11,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:47:11,833 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:47:11,833 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:47:11,833 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:47:11,833 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:47:11,833 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:47:11,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:47:11,834 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:47:11,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:47:11,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:47:11,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:47:11,908 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:47:11,910 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:47:11,910 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl [2018-10-04 13:47:11,911 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl' [2018-10-04 13:47:11,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:47:11,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:47:11,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:47:11,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:47:11,974 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:47:11,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (1/1) ... [2018-10-04 13:47:12,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (1/1) ... [2018-10-04 13:47:12,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:47:12,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:47:12,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:47:12,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:47:12,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (1/1) ... [2018-10-04 13:47:12,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (1/1) ... [2018-10-04 13:47:12,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (1/1) ... [2018-10-04 13:47:12,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (1/1) ... [2018-10-04 13:47:12,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (1/1) ... [2018-10-04 13:47:12,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (1/1) ... [2018-10-04 13:47:12,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (1/1) ... [2018-10-04 13:47:12,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:47:12,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:47:12,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:47:12,040 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:47:12,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:11" (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 13:47:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:47:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:47:12,311 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:47:12,312 INFO L202 PluginConnector]: Adding new model gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:47:12 BoogieIcfgContainer [2018-10-04 13:47:12,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:47:12,313 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:47:12,313 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:47:12,324 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:47:12,325 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:47:12" (1/1) ... [2018-10-04 13:47:12,339 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:47:12,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-04 13:47:12,390 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-04 13:47:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:47:12,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:12,614 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 13:47:12,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:12,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 13:47:12,865 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 13:47:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:47:12,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:13,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:13,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-04 13:47:13,455 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-04 13:47:13,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:47:13,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:13,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-10-04 13:47:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-04 13:47:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:47:13,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:14,037 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 13:47:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:14,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-04 13:47:14,750 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-04 13:47:14,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:47:14,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-10-04 13:47:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-10-04 13:47:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:47:15,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-04 13:47:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-04 13:47:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:47:15,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-10-04 13:47:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-10-04 13:47:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:47:16,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-04 13:47:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-04 13:47:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:47:17,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-10-04 13:47:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-10-04 13:47:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:47:18,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-04 13:47:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-04 13:47:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:47:18,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:19,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:19,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-10-04 13:47:19,279 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-10-04 13:47:19,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:47:19,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-04 13:47:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-04 13:47:19,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:47:19,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-10-04 13:47:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-10-04 13:47:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:47:20,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:21,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-04 13:47:21,524 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-04 13:47:21,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:47:21,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-10-04 13:47:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-10-04 13:47:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:47:22,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:22,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:22,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-04 13:47:22,855 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-04 13:47:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:47:22,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:23,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-10-04 13:47:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-10-04 13:47:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:47:23,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-04 13:47:24,612 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-04 13:47:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:47:24,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:25,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 62 states and 63 transitions. [2018-10-04 13:47:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2018-10-04 13:47:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 13:47:25,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:26,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-10-04 13:47:26,874 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-10-04 13:47:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:47:26,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 68 states and 69 transitions. [2018-10-04 13:47:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2018-10-04 13:47:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 13:47:27,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:28,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:28,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-10-04 13:47:28,563 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-10-04 13:47:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:47:28,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:30,109 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 25 new depth: 24 [2018-10-04 13:47:30,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 74 states and 75 transitions. [2018-10-04 13:47:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2018-10-04 13:47:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 13:47:30,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-10-04 13:47:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-10-04 13:47:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:47:32,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 80 states and 81 transitions. [2018-10-04 13:47:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2018-10-04 13:47:33,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 13:47:33,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-10-04 13:47:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-10-04 13:47:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:47:34,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 86 states and 87 transitions. [2018-10-04 13:47:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2018-10-04 13:47:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 13:47:35,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-10-04 13:47:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-10-04 13:47:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:47:36,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 92 states and 93 transitions. [2018-10-04 13:47:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 93 transitions. [2018-10-04 13:47:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 13:47:38,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-10-04 13:47:39,191 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-10-04 13:47:39,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:47:39,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:40,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 98 states and 99 transitions. [2018-10-04 13:47:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2018-10-04 13:47:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 13:47:40,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 0 proven. 1457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:41,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:41,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-10-04 13:47:41,294 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-10-04 13:47:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:47:41,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 0 proven. 1552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:42,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 104 states and 105 transitions. [2018-10-04 13:47:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 105 transitions. [2018-10-04 13:47:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 13:47:42,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:42,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 0 proven. 1650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:43,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-10-04 13:47:43,668 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-10-04 13:47:43,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 13:47:43,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 0 proven. 1751 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 110 states and 111 transitions. [2018-10-04 13:47:45,085 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 111 transitions. [2018-10-04 13:47:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-04 13:47:45,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:45,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 1855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-10-04 13:47:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-10-04 13:47:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 13:47:46,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 0 proven. 1962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 116 states and 117 transitions. [2018-10-04 13:47:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 117 transitions. [2018-10-04 13:47:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-04 13:47:47,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 0 proven. 2072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 119 states and 120 transitions. [2018-10-04 13:47:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-10-04 13:47:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 13:47:50,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2185 backedges. 0 proven. 2185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 122 states and 123 transitions. [2018-10-04 13:47:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2018-10-04 13:47:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-04 13:47:53,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:53,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 125 states and 126 transitions. [2018-10-04 13:47:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-10-04 13:47:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-04 13:47:54,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:55,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 128 states and 129 transitions. [2018-10-04 13:47:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 129 transitions. [2018-10-04 13:47:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-04 13:47:55,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2542 backedges. 0 proven. 2542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:58,637 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 44 new depth: 43 [2018-10-04 13:47:58,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 131 states and 132 transitions. [2018-10-04 13:47:58,668 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-10-04 13:47:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 13:47:58,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 0 proven. 2667 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:59,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 134 states and 135 transitions. [2018-10-04 13:47:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 135 transitions. [2018-10-04 13:47:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-04 13:47:59,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:00,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2795 backedges. 0 proven. 2795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 137 states and 138 transitions. [2018-10-04 13:48:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-10-04 13:48:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 13:48:00,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:01,355 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 13:48:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:02,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 140 states and 141 transitions. [2018-10-04 13:48:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 141 transitions. [2018-10-04 13:48:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-04 13:48:02,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3060 backedges. 0 proven. 3060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:06,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:06,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 143 states and 144 transitions. [2018-10-04 13:48:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-10-04 13:48:06,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 13:48:06,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3197 backedges. 0 proven. 3197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 146 states and 147 transitions. [2018-10-04 13:48:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 147 transitions. [2018-10-04 13:48:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-04 13:48:07,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3337 backedges. 0 proven. 3337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:09,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 149 states and 150 transitions. [2018-10-04 13:48:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-10-04 13:48:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-04 13:48:09,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3480 backedges. 0 proven. 3480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:11,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 152 states and 153 transitions. [2018-10-04 13:48:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 153 transitions. [2018-10-04 13:48:11,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-04 13:48:11,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 0 proven. 3626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 155 states and 156 transitions. [2018-10-04 13:48:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2018-10-04 13:48:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-04 13:48:13,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3775 backedges. 0 proven. 3775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:15,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 158 states and 159 transitions. [2018-10-04 13:48:15,283 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 159 transitions. [2018-10-04 13:48:15,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-04 13:48:15,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 3927 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 161 states and 162 transitions. [2018-10-04 13:48:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2018-10-04 13:48:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-04 13:48:16,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4082 backedges. 0 proven. 4082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:19,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:19,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2018-10-04 13:48:19,696 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2018-10-04 13:48:19,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-04 13:48:19,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4240 backedges. 0 proven. 4240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-10-04 13:48:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-10-04 13:48:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-04 13:48:21,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:22,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4401 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-10-04 13:48:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-10-04 13:48:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-04 13:48:24,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:24,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4565 backedges. 0 proven. 4565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-10-04 13:48:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-10-04 13:48:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-04 13:48:26,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 0 proven. 4732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2018-10-04 13:48:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2018-10-04 13:48:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-04 13:48:27,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4902 backedges. 0 proven. 4902 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-10-04 13:48:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-10-04 13:48:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-04 13:48:29,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5075 backedges. 0 proven. 5075 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:31,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-10-04 13:48:31,577 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-10-04 13:48:31,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-04 13:48:31,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:33,006 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 62 new depth: 61 [2018-10-04 13:48:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5251 backedges. 0 proven. 5251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:34,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-10-04 13:48:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-10-04 13:48:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-04 13:48:34,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5430 backedges. 0 proven. 5430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2018-10-04 13:48:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2018-10-04 13:48:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-04 13:48:36,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5612 backedges. 0 proven. 5612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-10-04 13:48:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-10-04 13:48:38,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-04 13:48:38,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5797 backedges. 0 proven. 5797 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2018-10-04 13:48:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2018-10-04 13:48:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-04 13:48:40,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5985 backedges. 0 proven. 5985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:42,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-10-04 13:48:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-10-04 13:48:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-04 13:48:42,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6176 backedges. 0 proven. 6176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-10-04 13:48:44,666 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-10-04 13:48:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-04 13:48:44,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6370 backedges. 0 proven. 6370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-10-04 13:48:46,685 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-10-04 13:48:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-04 13:48:46,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6567 backedges. 0 proven. 6567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 206 transitions. [2018-10-04 13:48:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 206 transitions. [2018-10-04 13:48:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-04 13:48:48,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6767 backedges. 0 proven. 6767 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-10-04 13:48:50,912 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-10-04 13:48:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-04 13:48:50,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:51,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6970 backedges. 0 proven. 6970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 212 transitions. [2018-10-04 13:48:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 212 transitions. [2018-10-04 13:48:52,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-04 13:48:52,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7176 backedges. 0 proven. 7176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-10-04 13:48:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-10-04 13:48:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-04 13:48:55,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7385 backedges. 0 proven. 7385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:57,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 218 transitions. [2018-10-04 13:48:57,172 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 218 transitions. [2018-10-04 13:48:57,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-04 13:48:57,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7597 backedges. 0 proven. 7597 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-10-04 13:48:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-10-04 13:48:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-04 13:48:59,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:00,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 7812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 224 transitions. [2018-10-04 13:49:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 224 transitions. [2018-10-04 13:49:01,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-04 13:49:01,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 8030 backedges. 0 proven. 8030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:04,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:04,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-10-04 13:49:04,040 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-10-04 13:49:04,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-04 13:49:04,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8251 backedges. 0 proven. 8251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:06,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 230 transitions. [2018-10-04 13:49:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 230 transitions. [2018-10-04 13:49:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-04 13:49:06,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8475 backedges. 0 proven. 8475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:08,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-10-04 13:49:08,858 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-10-04 13:49:08,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-04 13:49:08,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 8702 backedges. 0 proven. 8702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 236 transitions. [2018-10-04 13:49:11,098 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 236 transitions. [2018-10-04 13:49:11,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-04 13:49:11,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 8932 backedges. 0 proven. 8932 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-10-04 13:49:13,388 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-10-04 13:49:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-04 13:49:13,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:13,962 INFO L134 CoverageAnalysis]: Checked inductivity of 9165 backedges. 0 proven. 9165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 242 transitions. [2018-10-04 13:49:15,861 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 242 transitions. [2018-10-04 13:49:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-04 13:49:15,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 9401 backedges. 0 proven. 9401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:18,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-10-04 13:49:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-10-04 13:49:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-04 13:49:18,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:19,478 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 83 new depth: 82 [2018-10-04 13:49:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9640 backedges. 0 proven. 9640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2018-10-04 13:49:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2018-10-04 13:49:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-04 13:49:21,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 9882 backedges. 0 proven. 9882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-10-04 13:49:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-10-04 13:49:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-04 13:49:24,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 10127 backedges. 0 proven. 10127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:26,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 254 transitions. [2018-10-04 13:49:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 254 transitions. [2018-10-04 13:49:26,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-04 13:49:26,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10375 backedges. 0 proven. 10375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:29,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:29,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-10-04 13:49:29,294 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-10-04 13:49:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-04 13:49:29,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 10626 backedges. 0 proven. 10626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:31,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 260 transitions. [2018-10-04 13:49:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 260 transitions. [2018-10-04 13:49:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-10-04 13:49:31,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 10880 backedges. 0 proven. 10880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:34,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 263 transitions. [2018-10-04 13:49:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 263 transitions. [2018-10-04 13:49:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-04 13:49:34,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 11137 backedges. 0 proven. 11137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 266 transitions. [2018-10-04 13:49:37,319 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 266 transitions. [2018-10-04 13:49:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-04 13:49:37,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 11397 backedges. 0 proven. 11397 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 269 transitions. [2018-10-04 13:49:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 269 transitions. [2018-10-04 13:49:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-04 13:49:40,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 11660 backedges. 0 proven. 11660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 272 transitions. [2018-10-04 13:49:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 272 transitions. [2018-10-04 13:49:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-04 13:49:42,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 11926 backedges. 0 proven. 11926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:45,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 275 transitions. [2018-10-04 13:49:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 275 transitions. [2018-10-04 13:49:45,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-04 13:49:45,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12195 backedges. 0 proven. 12195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 278 transitions. [2018-10-04 13:49:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 278 transitions. [2018-10-04 13:49:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-10-04 13:49:48,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12467 backedges. 0 proven. 12467 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 281 transitions. [2018-10-04 13:49:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 281 transitions. [2018-10-04 13:49:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-10-04 13:49:51,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12742 backedges. 0 proven. 12742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:54,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 284 transitions. [2018-10-04 13:49:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 284 transitions. [2018-10-04 13:49:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-04 13:49:54,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 13020 backedges. 0 proven. 13020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 287 transitions. [2018-10-04 13:49:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 287 transitions. [2018-10-04 13:49:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-04 13:49:57,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 13301 backedges. 0 proven. 13301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:00,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:00,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 290 transitions. [2018-10-04 13:50:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 290 transitions. [2018-10-04 13:50:00,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-04 13:50:00,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 13585 backedges. 0 proven. 13585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:03,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:03,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 293 transitions. [2018-10-04 13:50:03,475 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 293 transitions. [2018-10-04 13:50:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-10-04 13:50:03,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 13872 backedges. 0 proven. 13872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 296 transitions. [2018-10-04 13:50:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 296 transitions. [2018-10-04 13:50:06,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-04 13:50:06,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:07,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14162 backedges. 0 proven. 14162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 299 transitions. [2018-10-04 13:50:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 299 transitions. [2018-10-04 13:50:09,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-10-04 13:50:09,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 14455 backedges. 0 proven. 14455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:12,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 302 transitions. [2018-10-04 13:50:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 302 transitions. [2018-10-04 13:50:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-10-04 13:50:12,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 14751 backedges. 0 proven. 14751 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:16,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 305 states and 304 transitions. [2018-10-04 13:50:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 304 transitions. [2018-10-04 13:50:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-10-04 13:50:16,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:18,029 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 103 new depth: 102 [2018-10-04 13:50:18,859 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 123 new depth: 102 [2018-10-04 13:50:19,677 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 123 new depth: 102 [2018-10-04 13:50:21,405 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 123 new depth: 111 [2018-10-04 13:50:23,022 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 132 new depth: 122 [2018-10-04 13:50:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15050 backedges. 0 proven. 15050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:27,102 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 146 new depth: 142 [2018-10-04 13:50:35,098 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 165 new depth: 163 [2018-10-04 13:50:44,851 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 186 new depth: 182 Received shutdown request... [2018-10-04 13:51:12,165 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 205 new depth: 199 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown