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/real-life/threadpooling_product_WithProcedures.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:07:52,284 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:07:52,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:07:52,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:07:52,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:07:52,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:07:52,300 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:07:52,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:07:52,303 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:07:52,304 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:07:52,305 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:07:52,305 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:07:52,306 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:07:52,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:07:52,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:07:52,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:07:52,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:07:52,312 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:07:52,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:07:52,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:07:52,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:07:52,318 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:07:52,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:07:52,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:07:52,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:07:52,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:07:52,323 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:07:52,324 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:07:52,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:07:52,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:07:52,326 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:07:52,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:07:52,327 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:07:52,327 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:07:52,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:07:52,329 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:07:52,329 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 [2018-09-26 22:07:52,344 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:07:52,345 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:07:52,346 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:07:52,346 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:07:52,346 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:07:52,347 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:07:52,347 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:07:52,347 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:07:52,347 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:07:52,347 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:07:52,348 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:07:52,348 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:07:52,348 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:07:52,348 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:07:52,348 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:07:52,349 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:07:52,349 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:07:52,349 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:07:52,349 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:07:52,349 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:07:52,350 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:07:52,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:07:52,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:07:52,350 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:07:52,350 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:07:52,350 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:07:52,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:07:52,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:07:52,351 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:07:52,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:07:52,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:07:52,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:07:52,418 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:07:52,419 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:07:52,419 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-09-26 22:07:52,420 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-09-26 22:07:52,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:07:52,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:07:52,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:07:52,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:07:52,489 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:07:52,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (1/1) ... [2018-09-26 22:07:52,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (1/1) ... [2018-09-26 22:07:52,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:07:52,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:07:52,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:07:52,539 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:07:52,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (1/1) ... [2018-09-26 22:07:52,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (1/1) ... [2018-09-26 22:07:52,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (1/1) ... [2018-09-26 22:07:52,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (1/1) ... [2018-09-26 22:07:52,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (1/1) ... [2018-09-26 22:07:52,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (1/1) ... [2018-09-26 22:07:52,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (1/1) ... [2018-09-26 22:07:52,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:07:52,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:07:52,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:07:52,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:07:52,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:07:52" (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 [2018-09-26 22:07:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-09-26 22:07:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-09-26 22:07:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-09-26 22:07:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-09-26 22:07:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-09-26 22:07:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-09-26 22:07:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:07:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:07:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-09-26 22:07:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-09-26 22:07:53,213 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:07:53,214 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:07:53 BoogieIcfgContainer [2018-09-26 22:07:53,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:07:53,215 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:07:53,215 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:07:53,227 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:07:53,227 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:07:53" (1/1) ... [2018-09-26 22:07:53,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:07:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-09-26 22:07:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-09-26 22:07:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:07:53,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:53,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-26 22:07:53,990 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-26 22:07:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:07:53,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-09-26 22:07:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-09-26 22:07:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:55,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-09-26 22:07:55,951 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-09-26 22:07:55,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:55,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:56,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-09-26 22:07:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-09-26 22:07:56,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:56,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 22:07:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-09-26 22:07:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-09-26 22:07:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:56,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:56,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:56,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2018-09-26 22:07:56,371 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2018-09-26 22:07:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:56,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:57,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-09-26 22:07:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-09-26 22:07:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:57,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:57,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 141 transitions. [2018-09-26 22:07:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 141 transitions. [2018-09-26 22:07:57,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:57,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-09-26 22:07:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-09-26 22:07:57,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:57,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 22:07:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:58,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-09-26 22:07:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-09-26 22:07:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:58,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:58,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 75 states and 160 transitions. [2018-09-26 22:07:58,451 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 160 transitions. [2018-09-26 22:07:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:07:58,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 76 states and 160 transitions. [2018-09-26 22:07:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 160 transitions. [2018-09-26 22:07:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:07:58,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 83 states and 183 transitions. [2018-09-26 22:08:00,896 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 183 transitions. [2018-09-26 22:08:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:08:00,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:03,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 90 states and 207 transitions. [2018-09-26 22:08:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 207 transitions. [2018-09-26 22:08:03,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:08:03,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 96 states and 228 transitions. [2018-09-26 22:08:05,047 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 228 transitions. [2018-09-26 22:08:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:08:05,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:05,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 97 states and 232 transitions. [2018-09-26 22:08:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 232 transitions. [2018-09-26 22:08:05,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:08:05,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 100 states and 244 transitions. [2018-09-26 22:08:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 244 transitions. [2018-09-26 22:08:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:08:07,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:07,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 102 states and 252 transitions. [2018-09-26 22:08:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 252 transitions. [2018-09-26 22:08:07,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:08:07,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 104 states and 257 transitions. [2018-09-26 22:08:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 257 transitions. [2018-09-26 22:08:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:08:09,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:09,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:10,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 108 states and 270 transitions. [2018-09-26 22:08:10,290 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 270 transitions. [2018-09-26 22:08:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:10,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 115 states and 294 transitions. [2018-09-26 22:08:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 294 transitions. [2018-09-26 22:08:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:12,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:13,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:13,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 120 states and 310 transitions. [2018-09-26 22:08:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 310 transitions. [2018-09-26 22:08:13,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:13,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 121 states and 311 transitions. [2018-09-26 22:08:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 311 transitions. [2018-09-26 22:08:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:14,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:16,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 129 states and 331 transitions. [2018-09-26 22:08:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 331 transitions. [2018-09-26 22:08:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:16,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:16,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:18,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:18,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 136 states and 353 transitions. [2018-09-26 22:08:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 353 transitions. [2018-09-26 22:08:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:18,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 137 states and 353 transitions. [2018-09-26 22:08:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 353 transitions. [2018-09-26 22:08:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:18,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 140 states and 357 transitions. [2018-09-26 22:08:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 357 transitions. [2018-09-26 22:08:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:18,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:19,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 146 states and 372 transitions. [2018-09-26 22:08:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 372 transitions. [2018-09-26 22:08:19,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:19,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 147 states and 372 transitions. [2018-09-26 22:08:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 372 transitions. [2018-09-26 22:08:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:20,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 22:08:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 148 states and 375 transitions. [2018-09-26 22:08:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 375 transitions. [2018-09-26 22:08:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:20,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:20,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 149 states and 375 transitions. [2018-09-26 22:08:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 375 transitions. [2018-09-26 22:08:20,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:20,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:23,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 155 states and 393 transitions. [2018-09-26 22:08:23,072 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 393 transitions. [2018-09-26 22:08:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:23,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:23,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 156 states and 394 transitions. [2018-09-26 22:08:23,415 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 394 transitions. [2018-09-26 22:08:23,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:23,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 161 states and 409 transitions. [2018-09-26 22:08:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 409 transitions. [2018-09-26 22:08:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:25,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:25,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 22:08:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 163 states and 412 transitions. [2018-09-26 22:08:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 412 transitions. [2018-09-26 22:08:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:25,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 168 states and 425 transitions. [2018-09-26 22:08:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 425 transitions. [2018-09-26 22:08:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:26,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:27,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 170 states and 433 transitions. [2018-09-26 22:08:27,864 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 433 transitions. [2018-09-26 22:08:27,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:27,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 174 states and 452 transitions. [2018-09-26 22:08:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 452 transitions. [2018-09-26 22:08:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:30,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 178 states and 460 transitions. [2018-09-26 22:08:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 460 transitions. [2018-09-26 22:08:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:08:32,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:32,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:33,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 180 states and 468 transitions. [2018-09-26 22:08:33,234 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 468 transitions. [2018-09-26 22:08:33,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:08:33,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:08:35,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 183 states and 477 transitions. [2018-09-26 22:08:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 477 transitions. [2018-09-26 22:08:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:08:35,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:08:36,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 183 states and 476 transitions. [2018-09-26 22:08:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 476 transitions. [2018-09-26 22:08:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:08:36,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:08:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:37,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 183 states and 475 transitions. [2018-09-26 22:08:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 475 transitions. [2018-09-26 22:08:37,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:08:37,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 185 states and 483 transitions. [2018-09-26 22:08:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 483 transitions. [2018-09-26 22:08:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:08:38,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:08:40,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 188 states and 492 transitions. [2018-09-26 22:08:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 492 transitions. [2018-09-26 22:08:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:08:40,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:41,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 192 states and 514 transitions. [2018-09-26 22:08:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 514 transitions. [2018-09-26 22:08:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:08:45,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 198 states and 542 transitions. [2018-09-26 22:08:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 542 transitions. [2018-09-26 22:08:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:08:50,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 201 states and 549 transitions. [2018-09-26 22:08:52,800 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 549 transitions. [2018-09-26 22:08:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:08:52,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 202 states and 555 transitions. [2018-09-26 22:08:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 555 transitions. [2018-09-26 22:08:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:08:55,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 207 states and 570 transitions. [2018-09-26 22:08:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 570 transitions. [2018-09-26 22:08:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:08:56,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 213 states and 590 transitions. [2018-09-26 22:08:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 590 transitions. [2018-09-26 22:08:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:08:59,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:01,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:05,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 217 states and 612 transitions. [2018-09-26 22:09:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 612 transitions. [2018-09-26 22:09:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:09:05,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:09,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 221 states and 630 transitions. [2018-09-26 22:09:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 630 transitions. [2018-09-26 22:09:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:09:09,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 225 states and 648 transitions. [2018-09-26 22:09:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 648 transitions. [2018-09-26 22:09:13,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:09:13,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 226 states and 651 transitions. [2018-09-26 22:09:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 651 transitions. [2018-09-26 22:09:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:09:15,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 227 states and 653 transitions. [2018-09-26 22:09:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 653 transitions. [2018-09-26 22:09:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:09:16,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 231 states and 666 transitions. [2018-09-26 22:09:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 666 transitions. [2018-09-26 22:09:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:09:20,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 232 states and 670 transitions. [2018-09-26 22:09:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 670 transitions. [2018-09-26 22:09:21,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:09:21,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:09:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 233 states and 670 transitions. [2018-09-26 22:09:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 670 transitions. [2018-09-26 22:09:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:09:22,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 237 states and 688 transitions. [2018-09-26 22:09:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 688 transitions. [2018-09-26 22:09:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:09:25,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 241 states and 708 transitions. [2018-09-26 22:09:28,454 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 708 transitions. [2018-09-26 22:09:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:09:28,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 244 states and 721 transitions. [2018-09-26 22:09:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 721 transitions. [2018-09-26 22:09:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:09:29,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:33,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 245 states and 725 transitions. [2018-09-26 22:09:33,663 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 725 transitions. [2018-09-26 22:09:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:09:33,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:44,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 257 states and 778 transitions. [2018-09-26 22:09:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 778 transitions. [2018-09-26 22:09:44,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:09:44,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:53,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 266 states and 826 transitions. [2018-09-26 22:09:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 826 transitions. [2018-09-26 22:09:53,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:09:53,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 272 states and 855 transitions. [2018-09-26 22:09:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 855 transitions. [2018-09-26 22:09:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:09:59,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 273 states and 863 transitions. [2018-09-26 22:10:01,053 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 863 transitions. [2018-09-26 22:10:01,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:01,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 274 states and 871 transitions. [2018-09-26 22:10:02,250 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 871 transitions. [2018-09-26 22:10:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:02,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 278 states and 901 transitions. [2018-09-26 22:10:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 901 transitions. [2018-09-26 22:10:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:05,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:08,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 281 states and 921 transitions. [2018-09-26 22:10:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 921 transitions. [2018-09-26 22:10:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:08,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:09,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 284 states and 936 transitions. [2018-09-26 22:10:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 936 transitions. [2018-09-26 22:10:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:12,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:15,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 287 states and 950 transitions. [2018-09-26 22:10:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 950 transitions. [2018-09-26 22:10:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:15,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 288 states and 952 transitions. [2018-09-26 22:10:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 952 transitions. [2018-09-26 22:10:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:15,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:23,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 296 states and 995 transitions. [2018-09-26 22:10:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 995 transitions. [2018-09-26 22:10:23,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:23,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 302 states and 1013 transitions. [2018-09-26 22:10:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1013 transitions. [2018-09-26 22:10:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:32,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:10:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 303 states and 1013 transitions. [2018-09-26 22:10:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1013 transitions. [2018-09-26 22:10:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:33,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:33,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 304 states and 1015 transitions. [2018-09-26 22:10:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1015 transitions. [2018-09-26 22:10:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:34,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 310 states and 1045 transitions. [2018-09-26 22:10:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1045 transitions. [2018-09-26 22:10:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:41,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:43,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 319 states and 1099 transitions. [2018-09-26 22:10:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1099 transitions. [2018-09-26 22:10:54,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:54,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:56,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 321 states and 1109 transitions. [2018-09-26 22:10:56,966 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1109 transitions. [2018-09-26 22:10:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:56,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 323 states and 1122 transitions. [2018-09-26 22:10:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1122 transitions. [2018-09-26 22:10:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:10:59,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 324 states and 1115 transitions. [2018-09-26 22:11:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1115 transitions. [2018-09-26 22:11:01,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:01,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 326 states and 1124 transitions. [2018-09-26 22:11:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1124 transitions. [2018-09-26 22:11:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:04,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 330 states and 1156 transitions. [2018-09-26 22:11:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1156 transitions. [2018-09-26 22:11:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:09,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:11,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 330 states and 1153 transitions. [2018-09-26 22:11:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1153 transitions. [2018-09-26 22:11:11,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:11,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:14,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 332 states and 1160 transitions. [2018-09-26 22:11:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1160 transitions. [2018-09-26 22:11:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:14,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 334 states and 1164 transitions. [2018-09-26 22:11:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1164 transitions. [2018-09-26 22:11:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:17,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 335 states and 1167 transitions. [2018-09-26 22:11:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1167 transitions. [2018-09-26 22:11:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:18,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:18,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:19,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:19,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 335 states and 1165 transitions. [2018-09-26 22:11:19,870 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1165 transitions. [2018-09-26 22:11:19,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:19,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 335 states and 1161 transitions. [2018-09-26 22:11:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1161 transitions. [2018-09-26 22:11:21,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:21,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 341 states and 1186 transitions. [2018-09-26 22:11:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1186 transitions. [2018-09-26 22:11:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:29,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 344 states and 1200 transitions. [2018-09-26 22:11:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1200 transitions. [2018-09-26 22:11:33,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:33,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 349 states and 1225 transitions. [2018-09-26 22:11:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1225 transitions. [2018-09-26 22:11:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:38,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:40,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 350 states and 1234 transitions. [2018-09-26 22:11:40,692 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1234 transitions. [2018-09-26 22:11:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:40,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:56,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 360 states and 1288 transitions. [2018-09-26 22:11:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1288 transitions. [2018-09-26 22:11:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:56,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:56,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 364 states and 1303 transitions. [2018-09-26 22:11:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1303 transitions. [2018-09-26 22:11:58,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:11:58,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 366 states and 1312 transitions. [2018-09-26 22:12:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 1312 transitions. [2018-09-26 22:12:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:12:02,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:03,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 367 states and 1319 transitions. [2018-09-26 22:12:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1319 transitions. [2018-09-26 22:12:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:12:03,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-26 22:12:04,696 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:12:04,698 INFO L168 Benchmark]: Toolchain (without parser) took 252215.66 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 823.2 MB. Max. memory is 7.1 GB. [2018-09-26 22:12:04,700 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-09-26 22:12:04,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.99 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. [2018-09-26 22:12:04,701 INFO L168 Benchmark]: Boogie Preprocessor took 30.76 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. [2018-09-26 22:12:04,702 INFO L168 Benchmark]: RCFGBuilder took 635.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:12:04,702 INFO L168 Benchmark]: CodeCheck took 251482.52 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 802.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:12:04,706 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 1230 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 48.99 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 30.76 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 635.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 251482.52 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 802.1 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/threadpooling_product_WithProcedures.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-12-04-728.csv Completed graceful shutdown