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 0.1.23-133090d [2018-10-04 10:05:57,971 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:05:57,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:05:57,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:05:57,985 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:05:57,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:05:57,987 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:05:57,989 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:05:57,991 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:05:57,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:05:57,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:05:57,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:05:57,994 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:05:57,995 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:05:57,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:05:57,997 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:05:57,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:05:57,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:05:58,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:05:58,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:05:58,004 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:05:58,005 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:05:58,008 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:05:58,008 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:05:58,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:05:58,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:05:58,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:05:58,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:05:58,012 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:05:58,013 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:05:58,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:05:58,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:05:58,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:05:58,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:05:58,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:05:58,017 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:05:58,017 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 [2018-10-04 10:05:58,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:05:58,033 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:05:58,034 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:05:58,034 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:05:58,035 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:05:58,035 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:05:58,035 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:05:58,036 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:05:58,036 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:05:58,036 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:05:58,036 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:05:58,036 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:05:58,036 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:05:58,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:05:58,037 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:05:58,037 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:05:58,037 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:05:58,037 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:05:58,038 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:05:58,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:05:58,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:05:58,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:05:58,038 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:05:58,039 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:05:58,039 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:05:58,039 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:05:58,039 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:05:58,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:05:58,040 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:05:58,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:05:58,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:05:58,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:05:58,106 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:05:58,107 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:05:58,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-10-04 10:05:58,108 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-10-04 10:05:58,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:05:58,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:05:58,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:05:58,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:05:58,167 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:05:58,188 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,201 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:05:58,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:05:58,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:05:58,210 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:05:58,221 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,221 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,222 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,222 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,225 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,227 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,228 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:05:58,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:05:58,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:05:58,231 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:05:58,232 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 04.10 10:05:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:05:58,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-04 10:05:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:05:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:05:58,559 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:05:58,560 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:05:58 BoogieIcfgContainer [2018-10-04 10:05:58,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:05:58,561 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:05:58,561 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:05:58,574 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:05:58,574 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 04.10 10:05:58" (1/1) ... [2018-10-04 10:05:58,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:05:58,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:58,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-04 10:05:58,633 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-04 10:05:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 10:05:58,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-04 10:05:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-04 10:05:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:05:58,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-04 10:05:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-04 10:05:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:05:59,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:59,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-10-04 10:05:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-10-04 10:05:59,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:05:59,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-04 10:06:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-04 10:06:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-04 10:06:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:06:00,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-04 10:06:01,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-04 10:06:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-04 10:06:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:06:01,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-04 10:06:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-04 10:06:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-04 10:06:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:06:01,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-04 10:06:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-10-04 10:06:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-10-04 10:06:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:06:02,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-04 10:06:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-10-04 10:06:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-10-04 10:06:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:06:02,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-04 10:06:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-10-04 10:06:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-10-04 10:06:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:06:02,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-04 10:06:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-10-04 10:06:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-10-04 10:06:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:06:03,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:03,141 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-04 10:06:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-10-04 10:06:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-10-04 10:06:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:06:03,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:03,404 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-04 10:06:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-10-04 10:06:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-10-04 10:06:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 10:06:04,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-04 10:06:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:04,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-10-04 10:06:04,602 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-04 10:06:04,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:06:04,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-04 10:06:06,116 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-04 10:06:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-04 10:06:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-04 10:06:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:06:06,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-04 10:06:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-10-04 10:06:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-10-04 10:06:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:06:07,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-04 10:06:08,279 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-04 10:06:08,747 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-04 10:06:09,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:09,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-10-04 10:06:09,096 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-10-04 10:06:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 10:06:09,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-04 10:06:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-10-04 10:06:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-10-04 10:06:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:06:09,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-04 10:06:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:09,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-10-04 10:06:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-10-04 10:06:09,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 10:06:09,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-04 10:06:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-10-04 10:06:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-10-04 10:06:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 10:06:10,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:11,033 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-04 10:06:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-10-04 10:06:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-10-04 10:06:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:06:12,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:12,953 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-04 10:06:13,331 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-04 10:06:13,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:13,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-10-04 10:06:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-10-04 10:06:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:06:13,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-04 10:06:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-10-04 10:06:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-10-04 10:06:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 10:06:14,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-04 10:06:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-10-04 10:06:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-10-04 10:06:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:06:14,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-04 10:06:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-10-04 10:06:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-10-04 10:06:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 10:06:14,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:14,962 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-04 10:06:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:15,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-10-04 10:06:15,246 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-04 10:06:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:06:15,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-04 10:06:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-10-04 10:06:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-10-04 10:06:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 10:06:15,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:15,582 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-04 10:06:15,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:15,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-10-04 10:06:15,842 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-04 10:06:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:06:15,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-04 10:06:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-10-04 10:06:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-10-04 10:06:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:06:16,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-04 10:06:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-10-04 10:06:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-10-04 10:06:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:06:16,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-04 10:06:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-10-04 10:06:16,617 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-10-04 10:06:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:06:16,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-04 10:06:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-10-04 10:06:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-10-04 10:06:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:06:16,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-04 10:06:18,058 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-10-04 10:06:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-10-04 10:06:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-10-04 10:06:18,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 10:06:18,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-04 10:06:19,953 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-10-04 10:06:21,067 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-04 10:06:21,536 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-04 10:06:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-10-04 10:06:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-10-04 10:06:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:06:23,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-10-04 10:06:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-10-04 10:06:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-10-04 10:06:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 10:06:23,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-10-04 10:06:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-10-04 10:06:24,266 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-10-04 10:06:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:06:24,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-10-04 10:06:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-10-04 10:06:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-10-04 10:06:24,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 10:06:24,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:24,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-10-04 10:06:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-10-04 10:06:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-10-04 10:06:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:06:25,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:25,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-10-04 10:06:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-10-04 10:06:25,519 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-10-04 10:06:25,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 10:06:25,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-10-04 10:06:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-10-04 10:06:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-10-04 10:06:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:06:26,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-04 10:06:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-10-04 10:06:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-10-04 10:06:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 10:06:28,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 942 proven. 28 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2018-10-04 10:06:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-10-04 10:06:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-10-04 10:06:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:06:29,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 512 proven. 28 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-04 10:06:30,389 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-10-04 10:06:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-10-04 10:06:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-10-04 10:06:31,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 10:06:31,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 575 proven. 36 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-04 10:06:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-10-04 10:06:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-10-04 10:06:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:06:31,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 638 proven. 45 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-04 10:06:32,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2018-10-04 10:06:32,187 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2018-10-04 10:06:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 10:06:32,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1193 proven. 36 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-04 10:06:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-10-04 10:06:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-10-04 10:06:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:06:32,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 1258 proven. 45 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-04 10:06:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:33,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2018-10-04 10:06:33,457 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-10-04 10:06:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 10:06:33,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 1611 proven. 36 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-04 10:06:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:34,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2018-10-04 10:06:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-10-04 10:06:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 10:06:34,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1678 proven. 45 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-04 10:06:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2018-10-04 10:06:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-10-04 10:06:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 10:06:34,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1829 proven. 36 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-04 10:06:35,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2018-10-04 10:06:35,338 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-10-04 10:06:35,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 10:06:35,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1898 proven. 45 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-04 10:06:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2018-10-04 10:06:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-10-04 10:06:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 10:06:35,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 2832 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-04 10:06:42,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:42,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2018-10-04 10:06:42,130 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2018-10-04 10:06:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 10:06:42,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 0 proven. 3561 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-10-04 10:06:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2018-10-04 10:06:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-10-04 10:06:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-04 10:06:46,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4808 backedges. 0 proven. 4372 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-10-04 10:06:50,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2018-10-04 10:06:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-10-04 10:06:50,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-04 10:06:50,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5737 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-10-04 10:06:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2018-10-04 10:06:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-10-04 10:06:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-04 10:06:54,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:54,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6748 backedges. 3775 proven. 36 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-04 10:06:55,499 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-04 10:06:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2018-10-04 10:06:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2018-10-04 10:06:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 10:06:55,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6864 backedges. 3882 proven. 45 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-04 10:06:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2018-10-04 10:06:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-10-04 10:06:56,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-04 10:06:56,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 3993 proven. 36 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-04 10:06:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2018-10-04 10:06:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-10-04 10:06:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-04 10:06:57,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7099 backedges. 4102 proven. 45 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-04 10:06:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 136 states and 143 transitions. [2018-10-04 10:06:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2018-10-04 10:06:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-04 10:06:57,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 4011 proven. 36 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-04 10:06:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 137 states and 144 transitions. [2018-10-04 10:06:58,019 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-10-04 10:06:58,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 10:06:58,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7338 backedges. 4122 proven. 45 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-04 10:06:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2018-10-04 10:06:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-10-04 10:06:58,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-04 10:06:58,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 7459 backedges. 3829 proven. 36 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-04 10:06:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:59,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 139 states and 145 transitions. [2018-10-04 10:06:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-10-04 10:06:59,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-04 10:06:59,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7581 backedges. 3942 proven. 45 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-04 10:06:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:59,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2018-10-04 10:06:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-10-04 10:06:59,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-04 10:06:59,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 3447 proven. 36 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-04 10:07:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2018-10-04 10:07:00,225 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-10-04 10:07:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-04 10:07:00,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 7828 backedges. 3562 proven. 45 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-04 10:07:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2018-10-04 10:07:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2018-10-04 10:07:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-04 10:07:00,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 2865 proven. 36 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-04 10:07:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2018-10-04 10:07:01,332 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-10-04 10:07:01,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 10:07:01,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 2982 proven. 45 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-04 10:07:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 144 states and 147 transitions. [2018-10-04 10:07:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2018-10-04 10:07:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-04 10:07:02,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 8206 backedges. 2083 proven. 36 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-04 10:07:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-10-04 10:07:02,467 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-10-04 10:07:02,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 10:07:02,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 8334 backedges. 2202 proven. 45 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-04 10:07:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 146 states and 148 transitions. [2018-10-04 10:07:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2018-10-04 10:07:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-04 10:07:02,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8463 backedges. 1101 proven. 36 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-04 10:07:03,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 147 states and 149 transitions. [2018-10-04 10:07:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 149 transitions. [2018-10-04 10:07:03,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-04 10:07:03,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 1222 proven. 45 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-04 10:07:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 148 states and 149 transitions. [2018-10-04 10:07:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2018-10-04 10:07:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-04 10:07:04,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-10-04 10:07:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 160 states and 161 transitions. [2018-10-04 10:07:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2018-10-04 10:07:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-04 10:07:09,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:10,024 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-10-04 10:07:15,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:15,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 172 states and 173 transitions. [2018-10-04 10:07:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2018-10-04 10:07:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-04 10:07:15,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:15,930 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-04 10:07:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:21,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 184 states and 185 transitions. [2018-10-04 10:07:21,888 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2018-10-04 10:07:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-04 10:07:21,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-10-04 10:07:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:28,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 196 states and 197 transitions. [2018-10-04 10:07:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2018-10-04 10:07:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-04 10:07:28,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-10-04 10:07:35,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 208 states and 209 transitions. [2018-10-04 10:07:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2018-10-04 10:07:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-04 10:07:35,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2018-10-04 10:07:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 220 states and 221 transitions. [2018-10-04 10:07:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 221 transitions. [2018-10-04 10:07:43,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-04 10:07:43,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-10-04 10:07:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:07:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 232 states and 233 transitions. [2018-10-04 10:07:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2018-10-04 10:07:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-04 10:07:52,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:07:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:07:52,451 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-10-04 10:08:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:08:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 244 states and 245 transitions. [2018-10-04 10:08:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 245 transitions. [2018-10-04 10:08:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-04 10:08:00,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:08:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:08:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2018-10-04 10:08:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:08:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 256 states and 257 transitions. [2018-10-04 10:08:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2018-10-04 10:08:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-04 10:08:09,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:08:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:08:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-10-04 10:08:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:08:18,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 268 states and 269 transitions. [2018-10-04 10:08:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 269 transitions. [2018-10-04 10:08:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-04 10:08:18,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:08:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:08:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-10-04 10:08:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:08:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 280 states and 281 transitions. [2018-10-04 10:08:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2018-10-04 10:08:27,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-04 10:08:27,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:08:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:08:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-10-04 10:08:38,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:08:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 292 states and 293 transitions. [2018-10-04 10:08:38,017 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2018-10-04 10:08:38,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-04 10:08:38,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:08:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:08:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2018-10-04 10:08:48,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:08:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 304 states and 305 transitions. [2018-10-04 10:08:48,515 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2018-10-04 10:08:48,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-04 10:08:48,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:08:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:08:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2018-10-04 10:08:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:08:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 316 states and 317 transitions. [2018-10-04 10:08:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 317 transitions. [2018-10-04 10:08:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-04 10:08:59,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:08:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:09:00,253 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2018-10-04 10:09:11,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:09:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 328 states and 329 transitions. [2018-10-04 10:09:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 329 transitions. [2018-10-04 10:09:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-10-04 10:09:11,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:09:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:09:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2018-10-04 10:09:23,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:09:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 340 states and 341 transitions. [2018-10-04 10:09:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 341 transitions. [2018-10-04 10:09:23,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-10-04 10:09:23,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:09:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:09:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2018-10-04 10:09:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:09:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 352 states and 353 transitions. [2018-10-04 10:09:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 353 transitions. [2018-10-04 10:09:36,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-04 10:09:36,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:09:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:09:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2018-10-04 10:09:48,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:09:48,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 364 states and 365 transitions. [2018-10-04 10:09:48,822 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 365 transitions. [2018-10-04 10:09:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-10-04 10:09:48,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:09:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:09:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 54750 backedges. 0 proven. 53100 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. Received shutdown request... [2018-10-04 10:09:56,265 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 10:09:56,268 INFO L168 Benchmark]: Toolchain (without parser) took 238103.21 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 503.7 MB. Max. memory is 7.1 GB. [2018-10-04 10:09:56,269 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:09:56,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:09:56,271 INFO L168 Benchmark]: Boogie Preprocessor took 20.57 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:09:56,271 INFO L168 Benchmark]: RCFGBuilder took 330.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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. [2018-10-04 10:09:56,272 INFO L168 Benchmark]: CodeCheck took 237706.45 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 482.6 MB. Max. memory is 7.1 GB. [2018-10-04 10:09:56,276 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 1474 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.57 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 330.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 237706.45 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 482.6 MB. 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-0-2018-10-04_10-09-56-288.csv Completed graceful shutdown