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/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 09:47:13,117 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 09:47:13,120 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 09:47:13,131 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 09:47:13,132 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 09:47:13,133 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 09:47:13,134 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 09:47:13,136 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 09:47:13,138 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 09:47:13,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 09:47:13,139 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 09:47:13,140 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 09:47:13,141 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 09:47:13,142 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 09:47:13,143 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 09:47:13,144 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 09:47:13,145 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 09:47:13,147 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 09:47:13,149 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 09:47:13,151 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 09:47:13,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 09:47:13,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 09:47:13,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 09:47:13,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 09:47:13,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 09:47:13,157 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 09:47:13,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 09:47:13,159 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 09:47:13,160 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 09:47:13,161 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 09:47:13,161 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 09:47:13,162 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 09:47:13,162 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 09:47:13,163 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 09:47:13,164 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 09:47:13,165 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 09:47:13,165 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 09:47:13,181 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 09:47:13,181 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 09:47:13,182 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 09:47:13,182 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 09:47:13,183 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 09:47:13,183 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 09:47:13,183 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 09:47:13,183 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 09:47:13,184 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 09:47:13,184 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 09:47:13,184 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 09:47:13,184 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 09:47:13,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 09:47:13,185 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 09:47:13,185 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 09:47:13,185 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 09:47:13,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 09:47:13,185 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 09:47:13,185 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 09:47:13,186 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 09:47:13,186 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 09:47:13,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 09:47:13,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 09:47:13,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 09:47:13,187 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 09:47:13,187 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 09:47:13,187 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 09:47:13,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 09:47:13,187 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 09:47:13,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 09:47:13,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 09:47:13,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 09:47:13,250 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 09:47:13,251 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 09:47:13,252 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2018-10-03 09:47:13,252 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2018-10-03 09:47:13,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 09:47:13,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 09:47:13,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 09:47:13,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 09:47:13,304 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 09:47:13,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,343 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-03 09:47:13,343 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-03 09:47:13,343 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-03 09:47:13,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 09:47:13,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 09:47:13,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 09:47:13,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 09:47:13,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 09:47:13,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 09:47:13,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 09:47:13,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 09:47:13,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:13" (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 09:47:13,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-03 09:47:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-03 09:47:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-03 09:47:13,818 INFO L337 CfgBuilder]: Using library mode [2018-10-03 09:47:13,819 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:47:13 BoogieIcfgContainer [2018-10-03 09:47:13,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 09:47:13,820 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 09:47:13,820 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 09:47:13,832 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 09:47:13,832 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:47:13" (1/1) ... [2018-10-03 09:47:13,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 09:47:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-03 09:47:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-03 09:47:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-03 09:47:13,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:14,047 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 09:47:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-03 09:47:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-03 09:47:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 09:47:14,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:14,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-03 09:47:14,400 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-03 09:47:14,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 09:47:14,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:14,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-03 09:47:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-03 09:47:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 09:47:14,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-03 09:47:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-03 09:47:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 09:47:15,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-10-03 09:47:15,311 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-10-03 09:47:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 09:47:15,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-03 09:47:15,526 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-03 09:47:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 09:47:15,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:15,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-10-03 09:47:15,978 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-03 09:47:15,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 09:47:15,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:16,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-03 09:47:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-03 09:47:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 09:47:16,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:16,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-10-03 09:47:16,450 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-03 09:47:16,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:47:16,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-03 09:47:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-03 09:47:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 09:47:16,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-10-03 09:47:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-10-03 09:47:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 09:47:17,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:17,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-03 09:47:17,279 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-03 09:47:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-03 09:47:17,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-10-03 09:47:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-10-03 09:47:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 09:47:17,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-03 09:47:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-03 09:47:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 09:47:17,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-10-03 09:47:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-10-03 09:47:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:47:18,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:18,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-03 09:47:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-03 09:47:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 09:47:18,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-10-03 09:47:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-10-03 09:47:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 09:47:18,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-10-03 09:47:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-03 09:47:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-03 09:47:19,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-10-03 09:47:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-10-03 09:47:20,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 09:47:20,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:20,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:20,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-10-03 09:47:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-03 09:47:20,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-03 09:47:20,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-10-03 09:47:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-10-03 09:47:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 09:47:21,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-03 09:47:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-03 09:47:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-03 09:47:21,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-10-03 09:47:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-10-03 09:47:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 09:47:23,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-10-03 09:47:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-10-03 09:47:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-03 09:47:24,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-10-03 09:47:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-10-03 09:47:25,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 09:47:25,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:25,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-10-03 09:47:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-03 09:47:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-03 09:47:25,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-10-03 09:47:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-10-03 09:47:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 09:47:26,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-03 09:47:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-03 09:47:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-03 09:47:27,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-10-03 09:47:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-10-03 09:47:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 09:47:27,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-10-03 09:47:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-10-03 09:47:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-03 09:47:28,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:28,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-10-03 09:47:28,735 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-10-03 09:47:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 09:47:28,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-03 09:47:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-03 09:47:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-03 09:47:29,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2018-10-03 09:47:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-10-03 09:47:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 09:47:29,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-03 09:47:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-03 09:47:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-03 09:47:30,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2018-10-03 09:47:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-10-03 09:47:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 09:47:31,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:32,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-10-03 09:47:32,700 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-10-03 09:47:32,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-03 09:47:32,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:33,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-10-03 09:47:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-10-03 09:47:33,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-03 09:47:33,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-10-03 09:47:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-03 09:47:34,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-03 09:47:34,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:34,287 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:34,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-10-03 09:47:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-10-03 09:47:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-03 09:47:34,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-03 09:47:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-03 09:47:34,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-03 09:47:34,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2018-10-03 09:47:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-10-03 09:47:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-03 09:47:35,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-10-03 09:47:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-10-03 09:47:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-03 09:47:36,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:37,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-10-03 09:47:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-10-03 09:47:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-03 09:47:37,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-10-03 09:47:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-03 09:47:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-03 09:47:37,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:37,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2018-10-03 09:47:37,918 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-10-03 09:47:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 09:47:37,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-03 09:47:38,368 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-03 09:47:38,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-03 09:47:38,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 54 states and 55 transitions. [2018-10-03 09:47:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-10-03 09:47:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-03 09:47:38,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:39,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-10-03 09:47:39,175 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-10-03 09:47:39,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-03 09:47:39,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:39,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-10-03 09:47:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-10-03 09:47:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-03 09:47:39,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:39,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:40,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-10-03 09:47:40,083 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-10-03 09:47:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-03 09:47:40,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 58 states and 59 transitions. [2018-10-03 09:47:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2018-10-03 09:47:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-03 09:47:40,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-03 09:47:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-03 09:47:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-03 09:47:41,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-10-03 09:47:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-10-03 09:47:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-03 09:47:45,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:48,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-10-03 09:47:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-10-03 09:47:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-03 09:47:48,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:51,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-10-03 09:47:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-10-03 09:47:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-03 09:47:52,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-10-03 09:47:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-10-03 09:47:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-03 09:47:55,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:58,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-10-03 09:47:58,414 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-10-03 09:47:58,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-03 09:47:58,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:01,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-10-03 09:48:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-10-03 09:48:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-03 09:48:01,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:04,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:04,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-10-03 09:48:04,794 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-10-03 09:48:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-03 09:48:04,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:08,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-10-03 09:48:08,151 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-10-03 09:48:08,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-03 09:48:08,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:11,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-10-03 09:48:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-10-03 09:48:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-03 09:48:11,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:15,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-10-03 09:48:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-10-03 09:48:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-03 09:48:15,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:19,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-10-03 09:48:19,013 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-10-03 09:48:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-03 09:48:19,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:22,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:22,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-10-03 09:48:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-10-03 09:48:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-03 09:48:22,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-10-03 09:48:26,888 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-10-03 09:48:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-03 09:48:26,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:30,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-10-03 09:48:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-10-03 09:48:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-03 09:48:30,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:37,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-10-03 09:48:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-10-03 09:48:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 09:48:37,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:41,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-10-03 09:48:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-10-03 09:48:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-03 09:48:41,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:45,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-10-03 09:48:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-10-03 09:48:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 09:48:45,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-10-03 09:48:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-10-03 09:48:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-03 09:48:50,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:54,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-03 09:48:54,652 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-03 09:48:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-03 09:48:54,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-10-03 09:48:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-10-03 09:48:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-03 09:48:59,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:03,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-03 09:49:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-03 09:49:03,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-03 09:49:03,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:08,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-10-03 09:49:08,592 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-10-03 09:49:08,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-03 09:49:08,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-10-03 09:49:13,540 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-10-03 09:49:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-03 09:49:13,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:18,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:18,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-10-03 09:49:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-10-03 09:49:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-03 09:49:18,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-10-03 09:49:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-10-03 09:49:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-03 09:49:23,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:28,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-10-03 09:49:28,921 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-10-03 09:49:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-03 09:49:28,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-10-03 09:49:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-10-03 09:49:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 09:49:34,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:39,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-10-03 09:49:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-10-03 09:49:39,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-03 09:49:39,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:45,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:45,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-10-03 09:49:45,286 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-10-03 09:49:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 09:49:45,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-03 09:49:51,151 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-03 09:49:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-03 09:49:51,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-10-03 09:49:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-10-03 09:49:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-03 09:49:56,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-10-03 09:50:02,980 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-10-03 09:50:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-03 09:50:02,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-10-03 09:50:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-10-03 09:50:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-03 09:50:09,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-10-03 09:50:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-10-03 09:50:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-03 09:50:15,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:22,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-10-03 09:50:22,073 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-10-03 09:50:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-03 09:50:22,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-10-03 09:50:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-10-03 09:50:28,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-03 09:50:28,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:35,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-03 09:50:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-03 09:50:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-03 09:50:35,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:42,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-10-03 09:50:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-10-03 09:50:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-03 09:50:42,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-10-03 09:50:49,204 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-10-03 09:50:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-03 09:50:49,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:56,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-10-03 09:50:56,676 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-10-03 09:50:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-03 09:50:56,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:51:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:51:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:51:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-10-03 09:51:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-10-03 09:51:03,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-03 09:51:03,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:51:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-03 09:51:10,927 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-03 09:51:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:51:11,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 09:51:11,041 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-03 09:51:11,041 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 09:51:11,044 INFO L168 Benchmark]: Toolchain (without parser) took 237743.68 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -18.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 168.4 MB). Peak memory consumption was 150.1 MB. Max. memory is 7.1 GB. [2018-10-03 09:51:11,046 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 09:51:11,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.41 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 09:51:11,046 INFO L168 Benchmark]: Boogie Preprocessor took 22.59 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 09:51:11,047 INFO L168 Benchmark]: RCFGBuilder took 450.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-03 09:51:11,047 INFO L168 Benchmark]: CodeCheck took 237222.69 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -18.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Peak memory consumption was 128.9 MB. Max. memory is 7.1 GB. [2018-10-03 09:51:11,052 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 TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 376 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 42.41 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 22.59 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 450.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 237222.69 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -18.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Peak memory consumption was 128.9 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/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-03_09-51-11-069.csv Completed graceful shutdown