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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 09:33:59,968 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 09:33:59,970 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 09:33:59,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 09:33:59,984 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 09:33:59,985 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 09:33:59,986 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 09:33:59,988 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 09:33:59,990 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 09:33:59,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 09:33:59,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 09:33:59,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 09:33:59,994 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 09:33:59,995 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 09:33:59,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 09:33:59,997 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 09:33:59,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 09:34:00,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 09:34:00,002 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 09:34:00,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 09:34:00,005 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 09:34:00,006 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 09:34:00,008 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 09:34:00,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 09:34:00,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 09:34:00,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 09:34:00,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 09:34:00,012 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 09:34:00,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 09:34:00,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 09:34:00,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 09:34:00,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 09:34:00,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 09:34:00,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 09:34:00,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 09:34:00,017 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 09:34:00,017 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-03 09:34:00,032 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 09:34:00,033 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 09:34:00,034 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 09:34:00,034 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 09:34:00,034 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 09:34:00,035 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 09:34:00,035 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 09:34:00,035 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 09:34:00,035 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 09:34:00,035 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 09:34:00,036 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 09:34:00,036 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 09:34:00,036 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 09:34:00,036 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 09:34:00,036 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 09:34:00,037 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 09:34:00,037 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 09:34:00,037 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 09:34:00,037 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 09:34:00,037 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 09:34:00,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 09:34:00,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 09:34:00,038 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 09:34:00,038 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 09:34:00,038 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 09:34:00,039 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 09:34:00,039 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 09:34:00,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 09:34:00,039 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 09:34:00,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 09:34:00,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 09:34:00,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 09:34:00,135 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 09:34:00,136 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 09:34:00,136 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-10-03 09:34:00,137 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-10-03 09:34:00,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 09:34:00,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 09:34:00,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 09:34:00,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 09:34:00,212 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 09:34:00,237 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,250 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 09:34:00,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 09:34:00,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 09:34:00,260 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 09:34:00,273 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,273 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,274 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,274 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,279 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,281 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,283 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 09:34:00,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 09:34:00,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 09:34:00,286 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 09:34:00,287 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 03.10 09:34:00" (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 [2018-10-03 09:34:00,365 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-03 09:34:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 09:34:00,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 09:34:00,558 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 09:34:00,559 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:34:00 BoogieIcfgContainer [2018-10-03 09:34:00,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 09:34:00,559 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 09:34:00,560 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 09:34:00,571 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 09:34:00,571 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 03.10 09:34:00" (1/1) ... [2018-10-03 09:34:00,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 09:34:00,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:00,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-03 09:34:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-03 09:34:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-03 09:34:00,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:34:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-03 09:34:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-03 09:34:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 09:34:00,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:34:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:01,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-03 09:34:01,121 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-03 09:34:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 09:34:01,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:34:01,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-10-03 09:34:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-10-03 09:34:01,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 09:34:01,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-03 09:34:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-03 09:34:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-03 09:34:02,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 09:34:02,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-03 09:34:02,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-03 09:34:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-03 09:34:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:34:02,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:02,865 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-03 09:34:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:03,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-03 09:34:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-03 09:34:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 09:34:03,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:03,177 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-03 09:34:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-10-03 09:34:03,711 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-10-03 09:34:03,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 09:34:03,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-03 09:34:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-10-03 09:34:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-10-03 09:34:04,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:34:04,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-03 09:34:04,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:04,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-10-03 09:34:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-10-03 09:34:04,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 09:34:04,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-03 09:34:04,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:04,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-10-03 09:34:04,599 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-10-03 09:34:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 09:34:04,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-03 09:34:04,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-10-03 09:34:04,799 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-10-03 09:34:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-03 09:34:04,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-03 09:34:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:05,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-10-03 09:34:05,836 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-10-03 09:34:05,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-03 09:34:05,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-03 09:34:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-10-03 09:34:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-03 09:34:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 09:34:06,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-03 09:34:07,633 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-03 09:34:08,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-03 09:34:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-03 09:34:08,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-03 09:34:08,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-03 09:34:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-10-03 09:34:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-10-03 09:34:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 09:34:09,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-03 09:34:10,229 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-03 09:34:10,660 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-03 09:34:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-10-03 09:34:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-10-03 09:34:10,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-03 09:34:10,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-03 09:34:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-10-03 09:34:11,156 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-10-03 09:34:11,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 09:34:11,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:11,177 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-03 09:34:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-10-03 09:34:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-10-03 09:34:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-03 09:34:11,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-03 09:34:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:12,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-10-03 09:34:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-10-03 09:34:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-03 09:34:12,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-03 09:34:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-10-03 09:34:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-10-03 09:34:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-03 09:34:14,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-03 09:34:14,808 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-03 09:34:15,307 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-03 09:34:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-10-03 09:34:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-10-03 09:34:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-03 09:34:15,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-03 09:34:15,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-10-03 09:34:15,843 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-10-03 09:34:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-03 09:34:15,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-03 09:34:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-10-03 09:34:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-10-03 09:34:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 09:34:16,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-03 09:34:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-10-03 09:34:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-10-03 09:34:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-03 09:34:16,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-03 09:34:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-10-03 09:34:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-03 09:34:17,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-03 09:34:17,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-03 09:34:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-10-03 09:34:17,396 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-10-03 09:34:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-03 09:34:17,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-03 09:34:17,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-10-03 09:34:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-03 09:34:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-03 09:34:17,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-03 09:34:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-10-03 09:34:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-10-03 09:34:17,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-03 09:34:17,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-03 09:34:18,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-10-03 09:34:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-10-03 09:34:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-03 09:34:18,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-03 09:34:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-10-03 09:34:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-10-03 09:34:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-03 09:34:18,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-03 09:34:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-10-03 09:34:19,496 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-10-03 09:34:19,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-03 09:34:19,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-03 09:34:20,543 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-10-03 09:34:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:21,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-10-03 09:34:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-10-03 09:34:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-03 09:34:21,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-03 09:34:23,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:23,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-10-03 09:34:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-10-03 09:34:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-03 09:34:23,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-10-03 09:34:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-10-03 09:34:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-10-03 09:34:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-03 09:34:24,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-10-03 09:34:24,559 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-03 09:34:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-10-03 09:34:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-10-03 09:34:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-03 09:34:24,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:24,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-10-03 09:34:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-10-03 09:34:25,309 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-10-03 09:34:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-03 09:34:25,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-10-03 09:34:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-10-03 09:34:25,787 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-10-03 09:34:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 09:34:25,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-10-03 09:34:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-10-03 09:34:26,131 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-10-03 09:34:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-03 09:34:26,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:26,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-10-03 09:34:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-10-03 09:34:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-10-03 09:34:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 09:34:26,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-03 09:34:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-10-03 09:34:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-10-03 09:34:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-03 09:34:29,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 942 proven. 28 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2018-10-03 09:34:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-10-03 09:34:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-10-03 09:34:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 09:34:29,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 512 proven. 28 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-03 09:34:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-10-03 09:34:31,022 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-10-03 09:34:31,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-03 09:34:31,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 575 proven. 36 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-03 09:34:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:31,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-10-03 09:34:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-10-03 09:34:31,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 09:34:31,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 638 proven. 45 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-03 09:34:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2018-10-03 09:34:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2018-10-03 09:34:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-03 09:34:32,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1193 proven. 36 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-03 09:34:32,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-10-03 09:34:32,764 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-10-03 09:34:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-03 09:34:32,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 1258 proven. 45 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-03 09:34:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2018-10-03 09:34:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-10-03 09:34:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-03 09:34:33,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 1611 proven. 36 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-03 09:34:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2018-10-03 09:34:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-10-03 09:34:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-03 09:34:33,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1678 proven. 45 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-03 09:34:34,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2018-10-03 09:34:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-10-03 09:34:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-03 09:34:34,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1829 proven. 36 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-03 09:34:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2018-10-03 09:34:34,815 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-10-03 09:34:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-03 09:34:34,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1898 proven. 45 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-03 09:34:35,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:35,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2018-10-03 09:34:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-10-03 09:34:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-03 09:34:35,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 2832 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-03 09:34:40,384 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-10-03 09:34:45,761 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-03 09:34:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2018-10-03 09:34:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2018-10-03 09:34:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-03 09:34:48,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 0 proven. 3561 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-10-03 09:34:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2018-10-03 09:34:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-10-03 09:34:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-03 09:34:52,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4808 backedges. 0 proven. 4372 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-10-03 09:34:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:34:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2018-10-03 09:34:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-10-03 09:34:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-03 09:34:56,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:34:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:34:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5737 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-10-03 09:35:00,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:00,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2018-10-03 09:35:00,131 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-10-03 09:35:00,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-03 09:35:00,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:00,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6748 backedges. 3775 proven. 36 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-03 09:35:00,718 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-03 09:35:01,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2018-10-03 09:35:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2018-10-03 09:35:01,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-03 09:35:01,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6864 backedges. 3882 proven. 45 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-03 09:35:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2018-10-03 09:35:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-10-03 09:35:02,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-03 09:35:02,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 3993 proven. 36 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-03 09:35:02,611 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-03 09:35:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2018-10-03 09:35:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-10-03 09:35:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-03 09:35:03,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7099 backedges. 4102 proven. 45 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-03 09:35:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 136 states and 143 transitions. [2018-10-03 09:35:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2018-10-03 09:35:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-03 09:35:03,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 4011 proven. 36 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-03 09:35:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:04,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 137 states and 144 transitions. [2018-10-03 09:35:04,333 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-10-03 09:35:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-03 09:35:04,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7338 backedges. 4122 proven. 45 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-03 09:35:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2018-10-03 09:35:04,768 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-10-03 09:35:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-03 09:35:04,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7459 backedges. 3829 proven. 36 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-03 09:35:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 139 states and 145 transitions. [2018-10-03 09:35:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-10-03 09:35:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-03 09:35:05,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 7581 backedges. 3942 proven. 45 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-03 09:35:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2018-10-03 09:35:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-10-03 09:35:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-03 09:35:05,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 3447 proven. 36 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-03 09:35:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2018-10-03 09:35:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-10-03 09:35:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-03 09:35:06,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 7828 backedges. 3562 proven. 45 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-03 09:35:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2018-10-03 09:35:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2018-10-03 09:35:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-03 09:35:07,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 2865 proven. 36 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-03 09:35:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:07,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2018-10-03 09:35:07,731 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-10-03 09:35:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-03 09:35:07,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 2982 proven. 45 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-03 09:35:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 144 states and 147 transitions. [2018-10-03 09:35:08,564 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2018-10-03 09:35:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-03 09:35:08,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 8206 backedges. 2083 proven. 36 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-03 09:35:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-10-03 09:35:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-10-03 09:35:09,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-03 09:35:09,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8334 backedges. 2202 proven. 45 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-03 09:35:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 146 states and 148 transitions. [2018-10-03 09:35:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2018-10-03 09:35:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-03 09:35:09,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 8463 backedges. 1101 proven. 36 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-03 09:35:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 147 states and 149 transitions. [2018-10-03 09:35:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 149 transitions. [2018-10-03 09:35:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-03 09:35:09,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 1222 proven. 45 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-03 09:35:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 148 states and 149 transitions. [2018-10-03 09:35:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2018-10-03 09:35:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-03 09:35:10,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-10-03 09:35:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 160 states and 161 transitions. [2018-10-03 09:35:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2018-10-03 09:35:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-03 09:35:16,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-10-03 09:35:22,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 172 states and 173 transitions. [2018-10-03 09:35:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2018-10-03 09:35:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-03 09:35:22,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-03 09:35:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 184 states and 185 transitions. [2018-10-03 09:35:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2018-10-03 09:35:28,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-03 09:35:28,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-10-03 09:35:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 196 states and 197 transitions. [2018-10-03 09:35:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2018-10-03 09:35:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-03 09:35:35,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-10-03 09:35:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 208 states and 209 transitions. [2018-10-03 09:35:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2018-10-03 09:35:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-03 09:35:42,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:42,693 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2018-10-03 09:35:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:50,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 220 states and 221 transitions. [2018-10-03 09:35:50,043 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 221 transitions. [2018-10-03 09:35:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-03 09:35:50,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:50,409 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-10-03 09:35:58,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:35:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 232 states and 233 transitions. [2018-10-03 09:35:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2018-10-03 09:35:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-03 09:35:58,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:35:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:35:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-10-03 09:36:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:36:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 244 states and 245 transitions. [2018-10-03 09:36:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 245 transitions. [2018-10-03 09:36:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-03 09:36:07,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:36:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:36:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2018-10-03 09:36:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:36:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 256 states and 257 transitions. [2018-10-03 09:36:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2018-10-03 09:36:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-03 09:36:16,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:36:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:36:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-10-03 09:36:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:36:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 268 states and 269 transitions. [2018-10-03 09:36:26,747 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 269 transitions. [2018-10-03 09:36:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-03 09:36:26,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:36:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:36:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-10-03 09:36:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:36:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 280 states and 281 transitions. [2018-10-03 09:36:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2018-10-03 09:36:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-03 09:36:36,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:36:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:36:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-10-03 09:36:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:36:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 292 states and 293 transitions. [2018-10-03 09:36:46,560 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2018-10-03 09:36:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-03 09:36:46,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:36:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:36:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2018-10-03 09:36:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:36:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 304 states and 305 transitions. [2018-10-03 09:36:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2018-10-03 09:36:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-03 09:36:57,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:36:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:36:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2018-10-03 09:37:08,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:37:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 316 states and 317 transitions. [2018-10-03 09:37:08,222 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 317 transitions. [2018-10-03 09:37:08,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-03 09:37:08,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:37:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:37:09,448 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2018-10-03 09:37:20,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:37:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 328 states and 329 transitions. [2018-10-03 09:37:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 329 transitions. [2018-10-03 09:37:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-10-03 09:37:20,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:37:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:37:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2018-10-03 09:37:32,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:37:32,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 340 states and 341 transitions. [2018-10-03 09:37:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 341 transitions. [2018-10-03 09:37:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-10-03 09:37:32,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:37:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:37:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2018-10-03 09:37:44,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:37:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 352 states and 353 transitions. [2018-10-03 09:37:44,782 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 353 transitions. [2018-10-03 09:37:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-03 09:37:44,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:37:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:37:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. Received shutdown request... [2018-10-03 09:37:54,400 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-03 09:37:54,403 INFO L168 Benchmark]: Toolchain (without parser) took 234194.91 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: -683.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-03 09:37:54,404 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:37:54,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:37:54,405 INFO L168 Benchmark]: Boogie Preprocessor took 25.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:37:54,405 INFO L168 Benchmark]: RCFGBuilder took 273.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-03 09:37:54,406 INFO L168 Benchmark]: CodeCheck took 233842.53 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -704.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-03 09:37:54,410 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1437 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 273.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 233842.53 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -704.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-03_09-37-54-421.csv Completed graceful shutdown