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/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:24:11,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:24:11,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:24:11,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:24:11,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:24:11,996 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:24:11,997 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:24:11,999 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:24:12,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:24:12,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:24:12,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:24:12,003 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:24:12,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:24:12,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:24:12,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:24:12,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:24:12,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:24:12,010 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:24:12,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:24:12,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:24:12,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:24:12,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:24:12,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:24:12,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:24:12,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:24:12,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:24:12,021 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:24:12,022 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:24:12,023 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:24:12,024 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:24:12,024 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:24:12,025 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:24:12,025 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:24:12,025 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:24:12,026 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:24:12,027 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:24:12,027 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-01 03:24:12,044 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:24:12,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:24:12,045 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:24:12,045 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:24:12,046 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:24:12,046 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:24:12,046 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:24:12,046 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:24:12,046 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:24:12,047 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:24:12,047 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:24:12,047 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:24:12,047 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:24:12,047 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:24:12,048 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:24:12,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:24:12,048 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:24:12,048 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:24:12,048 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:24:12,049 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:24:12,049 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:24:12,049 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:24:12,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:24:12,049 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:24:12,050 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:24:12,050 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:24:12,050 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:24:12,050 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:24:12,050 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:24:12,051 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:24:12,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:24:12,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:24:12,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:24:12,134 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:24:12,134 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:24:12,135 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-10-01 03:24:12,136 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-10-01 03:24:12,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:24:12,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:24:12,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:24:12,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:24:12,208 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:24:12,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:24:12,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:24:12,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:24:12,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:24:12,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:24:12,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:24:12,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:24:12,276 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:24:12,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:24:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:24:12,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-01 03:24:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 03:24:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 03:24:12,546 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 03:24:12,547 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:24:12 BoogieIcfgContainer [2018-10-01 03:24:12,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:24:12,548 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:24:12,548 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:24:12,559 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:24:12,560 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:24:12" (1/1) ... [2018-10-01 03:24:12,573 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:24:12,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-01 03:24:12,618 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-01 03:24:12,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 03:24:12,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:24:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-01 03:24:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-01 03:24:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 03:24:13,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:13,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:24:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-01 03:24:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-01 03:24:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 03:24:13,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:24:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-10-01 03:24:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-10-01 03:24:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:24:14,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:24:15,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-01 03:24:15,209 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-01 03:24:15,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 03:24:15,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-01 03:24:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:15,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-01 03:24:15,573 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-01 03:24:15,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:24:15,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-01 03:24:15,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:15,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-01 03:24:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-01 03:24:15,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:24:15,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-01 03:24:16,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-10-01 03:24:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-10-01 03:24:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 03:24:16,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-01 03:24:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:17,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-10-01 03:24:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-10-01 03:24:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:24:17,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-01 03:24:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-10-01 03:24:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-10-01 03:24:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 03:24:18,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-01 03:24:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:18,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-10-01 03:24:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-10-01 03:24:18,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:24:18,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-01 03:24:18,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:18,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-10-01 03:24:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-10-01 03:24:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 03:24:18,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-01 03:24:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-10-01 03:24:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-10-01 03:24:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 03:24:20,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-01 03:24:20,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-10-01 03:24:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-01 03:24:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 03:24:20,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-01 03:24:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-01 03:24:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-01 03:24:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 03:24:21,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-01 03:24:22,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-10-01 03:24:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-10-01 03:24:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 03:24:22,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-01 03:24:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-10-01 03:24:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-10-01 03:24:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 03:24:22,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:22,616 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-01 03:24:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-10-01 03:24:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-10-01 03:24:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 03:24:22,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-01 03:24:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:23,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-10-01 03:24:23,561 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-10-01 03:24:23,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 03:24:23,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-01 03:24:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:25,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-10-01 03:24:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-10-01 03:24:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 03:24:25,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-01 03:24:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-10-01 03:24:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-10-01 03:24:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 03:24:27,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-01 03:24:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:27,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-10-01 03:24:27,965 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-10-01 03:24:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 03:24:27,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-01 03:24:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-10-01 03:24:28,639 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-10-01 03:24:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:24:28,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-01 03:24:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:29,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-10-01 03:24:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-10-01 03:24:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:24:29,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:29,396 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-01 03:24:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-10-01 03:24:29,989 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-10-01 03:24:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:24:29,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-01 03:24:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-10-01 03:24:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-01 03:24:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:24:31,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-01 03:24:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-10-01 03:24:32,048 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-10-01 03:24:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:24:32,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-01 03:24:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-10-01 03:24:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-01 03:24:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:24:32,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-01 03:24:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:33,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-10-01 03:24:33,835 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-10-01 03:24:33,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 03:24:33,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-01 03:24:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-10-01 03:24:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-10-01 03:24:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:24:34,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-01 03:24:36,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:36,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-10-01 03:24:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-10-01 03:24:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:24:36,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-01 03:24:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-10-01 03:24:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-10-01 03:24:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:24:37,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-01 03:24:38,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:38,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-10-01 03:24:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-10-01 03:24:38,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:24:38,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-01 03:24:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-10-01 03:24:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-10-01 03:24:40,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 03:24:40,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:40,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-10-01 03:24:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-10-01 03:24:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-10-01 03:24:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-01 03:24:41,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:41,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-10-01 03:24:42,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-10-01 03:24:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-10-01 03:24:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 03:24:42,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-10-01 03:24:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-10-01 03:24:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-10-01 03:24:43,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 03:24:43,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-10-01 03:24:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-10-01 03:24:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-10-01 03:24:44,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 03:24:44,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-10-01 03:24:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-10-01 03:24:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-10-01 03:24:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-01 03:24:45,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-10-01 03:24:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-10-01 03:24:46,360 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-10-01 03:24:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 03:24:46,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:46,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-01 03:24:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:50,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-10-01 03:24:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-10-01 03:24:50,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 03:24:50,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 942 proven. 28 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2018-10-01 03:24:51,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-10-01 03:24:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-10-01 03:24:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 03:24:51,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 512 proven. 28 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-01 03:24:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-10-01 03:24:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-10-01 03:24:52,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-01 03:24:52,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:52,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 575 proven. 36 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-01 03:24:53,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:53,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-10-01 03:24:53,364 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-10-01 03:24:53,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 03:24:53,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 638 proven. 45 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-01 03:24:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2018-10-01 03:24:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2018-10-01 03:24:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-01 03:24:54,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1193 proven. 36 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-01 03:24:55,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:55,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-10-01 03:24:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-10-01 03:24:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 03:24:55,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 1258 proven. 45 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-01 03:24:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2018-10-01 03:24:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-10-01 03:24:56,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-01 03:24:56,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 1611 proven. 36 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-01 03:24:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:57,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2018-10-01 03:24:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-10-01 03:24:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 03:24:57,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1678 proven. 45 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-01 03:24:59,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:59,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2018-10-01 03:24:59,088 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-10-01 03:24:59,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-01 03:24:59,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1829 proven. 36 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-01 03:25:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2018-10-01 03:25:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-10-01 03:25:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 03:25:00,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1898 proven. 45 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-01 03:25:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2018-10-01 03:25:06,607 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-10-01 03:25:06,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-01 03:25:06,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 2832 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-01 03:25:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2018-10-01 03:25:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2018-10-01 03:25:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-01 03:25:10,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 0 proven. 3561 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-10-01 03:25:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2018-10-01 03:25:15,652 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-10-01 03:25:15,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-01 03:25:15,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4808 backedges. 0 proven. 4372 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-10-01 03:25:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2018-10-01 03:25:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-10-01 03:25:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-01 03:25:21,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5737 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-10-01 03:25:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2018-10-01 03:25:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-10-01 03:25:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-01 03:25:27,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6748 backedges. 3775 proven. 36 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-01 03:25:29,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2018-10-01 03:25:29,567 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2018-10-01 03:25:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-01 03:25:29,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:29,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6864 backedges. 3882 proven. 45 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-01 03:25:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2018-10-01 03:25:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-10-01 03:25:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-01 03:25:31,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 3993 proven. 36 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-01 03:25:32,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2018-10-01 03:25:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-10-01 03:25:32,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-01 03:25:32,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7099 backedges. 4102 proven. 45 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-01 03:25:34,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:34,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 136 states and 143 transitions. [2018-10-01 03:25:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2018-10-01 03:25:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-01 03:25:34,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 4011 proven. 36 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-01 03:25:36,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 137 states and 144 transitions. [2018-10-01 03:25:36,078 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-10-01 03:25:36,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-01 03:25:36,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 7338 backedges. 4122 proven. 45 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-01 03:25:37,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:37,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2018-10-01 03:25:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-10-01 03:25:37,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-01 03:25:37,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7459 backedges. 3829 proven. 36 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-01 03:25:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 139 states and 145 transitions. [2018-10-01 03:25:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-10-01 03:25:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-01 03:25:39,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 7581 backedges. 3942 proven. 45 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-01 03:25:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:40,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2018-10-01 03:25:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-10-01 03:25:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-01 03:25:40,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 3447 proven. 36 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-01 03:25:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2018-10-01 03:25:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-10-01 03:25:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-01 03:25:42,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 7828 backedges. 3562 proven. 45 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-01 03:25:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2018-10-01 03:25:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2018-10-01 03:25:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-01 03:25:44,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 2865 proven. 36 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-01 03:25:45,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2018-10-01 03:25:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-10-01 03:25:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-01 03:25:45,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 2982 proven. 45 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-01 03:25:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 144 states and 147 transitions. [2018-10-01 03:25:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2018-10-01 03:25:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-01 03:25:47,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8206 backedges. 2083 proven. 36 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-01 03:25:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:49,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-10-01 03:25:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-10-01 03:25:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-01 03:25:49,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8334 backedges. 2202 proven. 45 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-01 03:25:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 146 states and 148 transitions. [2018-10-01 03:25:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2018-10-01 03:25:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-01 03:25:50,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8463 backedges. 1101 proven. 36 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-01 03:25:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 147 states and 149 transitions. [2018-10-01 03:25:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 149 transitions. [2018-10-01 03:25:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-01 03:25:52,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 1222 proven. 45 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-01 03:25:54,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:54,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 148 states and 149 transitions. [2018-10-01 03:25:54,360 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2018-10-01 03:25:54,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-01 03:25:54,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-10-01 03:26:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:26:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 160 states and 161 transitions. [2018-10-01 03:26:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2018-10-01 03:26:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-01 03:26:02,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:26:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:26:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-10-01 03:26:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:26:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 172 states and 173 transitions. [2018-10-01 03:26:12,388 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2018-10-01 03:26:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-01 03:26:12,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:26:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:26:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-01 03:26:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:26:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 184 states and 185 transitions. [2018-10-01 03:26:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2018-10-01 03:26:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-01 03:26:22,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:26:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:26:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-10-01 03:26:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:26:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 196 states and 197 transitions. [2018-10-01 03:26:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2018-10-01 03:26:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-01 03:26:34,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:26:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:26:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-10-01 03:26:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:26:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 208 states and 209 transitions. [2018-10-01 03:26:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2018-10-01 03:26:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-01 03:26:47,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:26:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:26:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2018-10-01 03:27:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:27:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 220 states and 221 transitions. [2018-10-01 03:27:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 221 transitions. [2018-10-01 03:27:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-01 03:27:00,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:27:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:27:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-10-01 03:27:16,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:27:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 232 states and 233 transitions. [2018-10-01 03:27:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2018-10-01 03:27:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-01 03:27:16,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:27:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:27:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-10-01 03:27:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:27:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 244 states and 245 transitions. [2018-10-01 03:27:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 245 transitions. [2018-10-01 03:27:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-01 03:27:33,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:27:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:27:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2018-10-01 03:27:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:27:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 256 states and 257 transitions. [2018-10-01 03:27:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2018-10-01 03:27:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-01 03:27:50,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:27:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:27:51,086 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-10-01 03:28:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:28:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 268 states and 269 transitions. [2018-10-01 03:28:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 269 transitions. [2018-10-01 03:28:09,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-01 03:28:09,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:28:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:28:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-10-01 03:28:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:28:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 280 states and 281 transitions. [2018-10-01 03:28:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2018-10-01 03:28:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-01 03:28:29,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:28:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:28:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-10-01 03:28:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:28:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 292 states and 293 transitions. [2018-10-01 03:28:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2018-10-01 03:28:51,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-01 03:28:51,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:28:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:28:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2018-10-01 03:29:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:29:14,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 304 states and 305 transitions. [2018-10-01 03:29:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2018-10-01 03:29:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-01 03:29:14,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:29:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:29:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2018-10-01 03:29:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:29:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 316 states and 317 transitions. [2018-10-01 03:29:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 317 transitions. [2018-10-01 03:29:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-01 03:29:38,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:29:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:29:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2018-10-01 03:30:04,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:30:04,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 328 states and 329 transitions. [2018-10-01 03:30:04,164 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 329 transitions. [2018-10-01 03:30:04,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-10-01 03:30:04,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:30:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:30:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2018-10-01 03:30:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:30:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 340 states and 341 transitions. [2018-10-01 03:30:32,309 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 341 transitions. [2018-10-01 03:30:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-10-01 03:30:32,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:30:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:30:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2018-10-01 03:31:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:31:01,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 352 states and 353 transitions. [2018-10-01 03:31:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 353 transitions. [2018-10-01 03:31:01,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-01 03:31:01,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:31:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:31:01,443 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2018-10-01 03:31:31,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:31:31,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 364 states and 365 transitions. [2018-10-01 03:31:31,643 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 365 transitions. [2018-10-01 03:31:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-10-01 03:31:31,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:31:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:31:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 54750 backedges. 0 proven. 53100 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. [2018-10-01 03:32:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 376 states and 377 transitions. [2018-10-01 03:32:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 377 transitions. [2018-10-01 03:32:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-10-01 03:32:03,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 58466 backedges. 0 proven. 56761 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2018-10-01 03:32:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:32:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 388 states and 389 transitions. [2018-10-01 03:32:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 389 transitions. [2018-10-01 03:32:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-01 03:32:37,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:32:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:32:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 62304 backedges. 0 proven. 60544 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2018-10-01 03:33:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 400 states and 401 transitions. [2018-10-01 03:33:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 401 transitions. [2018-10-01 03:33:14,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-10-01 03:33:14,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 66264 backedges. 0 proven. 64449 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2018-10-01 03:33:53,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:33:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 412 states and 413 transitions. [2018-10-01 03:33:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 413 transitions. [2018-10-01 03:33:53,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-10-01 03:33:53,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:33:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:33:54,398 INFO L134 CoverageAnalysis]: Checked inductivity of 70346 backedges. 0 proven. 68476 refuted. 0 times theorem prover too weak. 1870 trivial. 0 not checked. [2018-10-01 03:34:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:34:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 424 states and 425 transitions. [2018-10-01 03:34:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 425 transitions. [2018-10-01 03:34:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-10-01 03:34:34,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:34:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:34:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 74550 backedges. 0 proven. 72625 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2018-10-01 03:35:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:35:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 436 states and 437 transitions. [2018-10-01 03:35:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 437 transitions. [2018-10-01 03:35:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-10-01 03:35:17,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:35:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:35:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 78876 backedges. 0 proven. 76896 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2018-10-01 03:36:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 448 states and 449 transitions. [2018-10-01 03:36:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 449 transitions. [2018-10-01 03:36:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2018-10-01 03:36:03,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 83324 backedges. 0 proven. 81289 refuted. 0 times theorem prover too weak. 2035 trivial. 0 not checked. [2018-10-01 03:36:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 460 states and 461 transitions. [2018-10-01 03:36:51,784 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 461 transitions. [2018-10-01 03:36:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2018-10-01 03:36:51,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 87894 backedges. 0 proven. 85804 refuted. 0 times theorem prover too weak. 2090 trivial. 0 not checked. [2018-10-01 03:37:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 472 states and 473 transitions. [2018-10-01 03:37:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 473 transitions. [2018-10-01 03:37:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2018-10-01 03:37:41,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:42,225 INFO L134 CoverageAnalysis]: Checked inductivity of 92586 backedges. 0 proven. 90441 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown