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_WithoutIf.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:01:15,175 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:01:15,177 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:01:15,189 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:01:15,189 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:01:15,190 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:01:15,192 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:01:15,193 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:01:15,195 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:01:15,196 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:01:15,197 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:01:15,197 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:01:15,198 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:01:15,199 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:01:15,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:01:15,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:01:15,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:01:15,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:01:15,206 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:01:15,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:01:15,208 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:01:15,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:01:15,212 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:01:15,212 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:01:15,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:01:15,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:01:15,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:01:15,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:01:15,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:01:15,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:01:15,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:01:15,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:01:15,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:01:15,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:01:15,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:01:15,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:01:15,221 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 [2018-09-30 21:01:15,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:01:15,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:01:15,246 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:01:15,246 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:01:15,250 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:01:15,250 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:01:15,250 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:01:15,250 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:01:15,251 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:01:15,251 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:01:15,251 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:01:15,251 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:01:15,252 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:01:15,252 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:01:15,252 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:01:15,252 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:01:15,253 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:01:15,253 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:01:15,253 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:01:15,253 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:01:15,254 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:01:15,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:01:15,255 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:01:15,255 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:01:15,255 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:01:15,256 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:01:15,256 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:01:15,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:01:15,256 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:01:15,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:01:15,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:01:15,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:01:15,330 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:01:15,330 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:01:15,331 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl [2018-09-30 21:01:15,331 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl' [2018-09-30 21:01:15,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:01:15,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:01:15,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:15,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:01:15,386 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:01:15,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,424 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:01:15,424 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:01:15,424 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:01:15,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:15,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:01:15,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:01:15,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:01:15,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:01:15,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:01:15,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:01:15,450 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:01:15,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:15" (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 [2018-09-30 21:01:15,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-30 21:01:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-30 21:01:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-30 21:01:15,939 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:01:15,940 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:15 BoogieIcfgContainer [2018-09-30 21:01:15,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:01:15,941 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:01:15,941 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:01:15,954 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:01:15,955 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:15" (1/1) ... [2018-09-30 21:01:15,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:01:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-30 21:01:16,037 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-30 21:01:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:01:16,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2018-09-30 21:01:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2018-09-30 21:01:16,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:01:16,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-09-30 21:01:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-09-30 21:01:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:01:17,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:17,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2018-09-30 21:01:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2018-09-30 21:01:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:01:17,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-09-30 21:01:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-09-30 21:01:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:01:18,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 31 states and 76 transitions. [2018-09-30 21:01:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 76 transitions. [2018-09-30 21:01:19,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:19,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 32 states and 84 transitions. [2018-09-30 21:01:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 84 transitions. [2018-09-30 21:01:19,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:19,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:20,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 33 states and 92 transitions. [2018-09-30 21:01:20,439 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 92 transitions. [2018-09-30 21:01:20,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:20,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 37 states and 112 transitions. [2018-09-30 21:01:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 112 transitions. [2018-09-30 21:01:21,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:21,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:21,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:22,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 38 states and 117 transitions. [2018-09-30 21:01:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 117 transitions. [2018-09-30 21:01:22,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:22,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 45 states and 148 transitions. [2018-09-30 21:01:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 148 transitions. [2018-09-30 21:01:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:24,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:26,535 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-30 21:01:28,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 49 states and 175 transitions. [2018-09-30 21:01:28,102 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 175 transitions. [2018-09-30 21:01:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:28,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:29,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 53 states and 192 transitions. [2018-09-30 21:01:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 192 transitions. [2018-09-30 21:01:29,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:29,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 54 states and 199 transitions. [2018-09-30 21:01:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 199 transitions. [2018-09-30 21:01:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:29,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 56 states and 203 transitions. [2018-09-30 21:01:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 203 transitions. [2018-09-30 21:01:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:29,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 59 states and 222 transitions. [2018-09-30 21:01:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 222 transitions. [2018-09-30 21:01:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:31,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:32,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 62 states and 233 transitions. [2018-09-30 21:01:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 233 transitions. [2018-09-30 21:01:32,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:32,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:32,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 63 states and 241 transitions. [2018-09-30 21:01:33,028 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 241 transitions. [2018-09-30 21:01:33,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:33,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 67 states and 261 transitions. [2018-09-30 21:01:35,312 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 261 transitions. [2018-09-30 21:01:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:35,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 72 states and 299 transitions. [2018-09-30 21:01:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 299 transitions. [2018-09-30 21:01:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:38,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 76 states and 328 transitions. [2018-09-30 21:01:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 328 transitions. [2018-09-30 21:01:39,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:39,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:42,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 79 states and 352 transitions. [2018-09-30 21:01:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 352 transitions. [2018-09-30 21:01:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:42,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:45,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 83 states and 386 transitions. [2018-09-30 21:01:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 386 transitions. [2018-09-30 21:01:45,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:45,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 86 states and 400 transitions. [2018-09-30 21:01:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 400 transitions. [2018-09-30 21:01:48,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:48,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 88 states and 418 transitions. [2018-09-30 21:01:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 418 transitions. [2018-09-30 21:01:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:49,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 89 states and 423 transitions. [2018-09-30 21:01:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 423 transitions. [2018-09-30 21:01:49,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:49,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 91 states and 429 transitions. [2018-09-30 21:01:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 429 transitions. [2018-09-30 21:01:51,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:51,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 92 states and 438 transitions. [2018-09-30 21:01:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 438 transitions. [2018-09-30 21:01:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:52,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 94 states and 443 transitions. [2018-09-30 21:01:53,387 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 443 transitions. [2018-09-30 21:01:53,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:53,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:54,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 96 states and 455 transitions. [2018-09-30 21:01:54,509 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 455 transitions. [2018-09-30 21:01:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:54,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 98 states and 458 transitions. [2018-09-30 21:01:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 458 transitions. [2018-09-30 21:01:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:56,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 100 states and 466 transitions. [2018-09-30 21:01:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 466 transitions. [2018-09-30 21:01:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:58,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 101 states and 470 transitions. [2018-09-30 21:01:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 470 transitions. [2018-09-30 21:01:58,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:58,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 106 states and 504 transitions. [2018-09-30 21:02:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 504 transitions. [2018-09-30 21:02:02,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:02,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:03,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 107 states and 520 transitions. [2018-09-30 21:02:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 520 transitions. [2018-09-30 21:02:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:03,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:08,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 112 states and 556 transitions. [2018-09-30 21:02:08,170 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 556 transitions. [2018-09-30 21:02:08,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:08,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:09,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 115 states and 575 transitions. [2018-09-30 21:02:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 575 transitions. [2018-09-30 21:02:12,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:12,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 116 states and 583 transitions. [2018-09-30 21:02:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 583 transitions. [2018-09-30 21:02:13,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:13,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 117 states and 588 transitions. [2018-09-30 21:02:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 588 transitions. [2018-09-30 21:02:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:14,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 119 states and 602 transitions. [2018-09-30 21:02:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 602 transitions. [2018-09-30 21:02:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:17,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:18,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 120 states and 609 transitions. [2018-09-30 21:02:18,464 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 609 transitions. [2018-09-30 21:02:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:18,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 121 states and 617 transitions. [2018-09-30 21:02:19,320 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 617 transitions. [2018-09-30 21:02:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:19,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:22,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 125 states and 648 transitions. [2018-09-30 21:02:22,725 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 648 transitions. [2018-09-30 21:02:22,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:22,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 126 states and 659 transitions. [2018-09-30 21:02:23,960 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 659 transitions. [2018-09-30 21:02:23,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:23,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:26,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:26,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 128 states and 667 transitions. [2018-09-30 21:02:26,599 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 667 transitions. [2018-09-30 21:02:26,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:26,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 131 states and 695 transitions. [2018-09-30 21:02:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 695 transitions. [2018-09-30 21:02:29,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:29,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:31,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 134 states and 718 transitions. [2018-09-30 21:02:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 718 transitions. [2018-09-30 21:02:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:31,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 137 states and 737 transitions. [2018-09-30 21:02:35,330 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 737 transitions. [2018-09-30 21:02:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:02:35,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:36,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 138 states and 741 transitions. [2018-09-30 21:02:36,382 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 741 transitions. [2018-09-30 21:02:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:02:36,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 140 states and 747 transitions. [2018-09-30 21:02:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 747 transitions. [2018-09-30 21:02:38,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:02:38,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 142 states and 753 transitions. [2018-09-30 21:02:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 753 transitions. [2018-09-30 21:02:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:02:39,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:43,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 142 states and 752 transitions. [2018-09-30 21:02:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 752 transitions. [2018-09-30 21:02:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:02:43,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 143 states and 745 transitions. [2018-09-30 21:02:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 745 transitions. [2018-09-30 21:02:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:02:46,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 148 states and 789 transitions. [2018-09-30 21:02:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 789 transitions. [2018-09-30 21:02:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:02:51,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:59,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:59,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 151 states and 824 transitions. [2018-09-30 21:02:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 824 transitions. [2018-09-30 21:02:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:02:59,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 152 states and 833 transitions. [2018-09-30 21:03:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 833 transitions. [2018-09-30 21:03:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:01,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 153 states and 847 transitions. [2018-09-30 21:03:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 847 transitions. [2018-09-30 21:03:03,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:03,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 154 states and 854 transitions. [2018-09-30 21:03:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 854 transitions. [2018-09-30 21:03:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:04,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:05,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 155 states and 864 transitions. [2018-09-30 21:03:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 864 transitions. [2018-09-30 21:03:05,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:05,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:07,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:07,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 158 states and 892 transitions. [2018-09-30 21:03:07,739 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 892 transitions. [2018-09-30 21:03:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:07,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 160 states and 898 transitions. [2018-09-30 21:03:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 898 transitions. [2018-09-30 21:03:11,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:11,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:14,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 162 states and 901 transitions. [2018-09-30 21:03:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 901 transitions. [2018-09-30 21:03:14,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:14,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 164 states and 908 transitions. [2018-09-30 21:03:16,530 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 908 transitions. [2018-09-30 21:03:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:16,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:20,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 164 states and 907 transitions. [2018-09-30 21:03:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 907 transitions. [2018-09-30 21:03:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:20,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:26,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 164 states and 906 transitions. [2018-09-30 21:03:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 906 transitions. [2018-09-30 21:03:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:26,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:31,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:31,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 169 states and 951 transitions. [2018-09-30 21:03:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 951 transitions. [2018-09-30 21:03:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:31,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 174 states and 993 transitions. [2018-09-30 21:03:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 993 transitions. [2018-09-30 21:03:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:37,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 177 states and 1029 transitions. [2018-09-30 21:03:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 1029 transitions. [2018-09-30 21:03:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:45,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:56,605 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-30 21:03:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 184 states and 1087 transitions. [2018-09-30 21:03:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1087 transitions. [2018-09-30 21:03:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:03:59,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:04:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 184 states and 1080 transitions. [2018-09-30 21:04:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1080 transitions. [2018-09-30 21:04:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:02,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 185 states and 1094 transitions. [2018-09-30 21:04:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 1094 transitions. [2018-09-30 21:04:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:06,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 188 states and 1137 transitions. [2018-09-30 21:04:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1137 transitions. [2018-09-30 21:04:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:10,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:10,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:12,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 189 states and 1160 transitions. [2018-09-30 21:04:12,475 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1160 transitions. [2018-09-30 21:04:12,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:12,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 191 states and 1165 transitions. [2018-09-30 21:04:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 1165 transitions. [2018-09-30 21:04:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:15,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:04:16,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 192 states and 1186 transitions. [2018-09-30 21:04:16,600 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 1186 transitions. [2018-09-30 21:04:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:16,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:04:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 194 states and 1207 transitions. [2018-09-30 21:04:19,402 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 1207 transitions. [2018-09-30 21:04:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:19,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 196 states and 1212 transitions. [2018-09-30 21:04:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 1212 transitions. [2018-09-30 21:04:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:21,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:23,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 197 states and 1217 transitions. [2018-09-30 21:04:23,128 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 1217 transitions. [2018-09-30 21:04:23,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:23,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:04:26,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 197 states and 1215 transitions. [2018-09-30 21:04:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 1215 transitions. [2018-09-30 21:04:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:26,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:04:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 198 states and 1231 transitions. [2018-09-30 21:04:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 1231 transitions. [2018-09-30 21:04:27,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:04:27,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 199 states and 1239 transitions. [2018-09-30 21:04:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 1239 transitions. [2018-09-30 21:04:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:04:29,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 206 states and 1292 transitions. [2018-09-30 21:04:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 1292 transitions. [2018-09-30 21:04:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:04:41,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 210 states and 1305 transitions. [2018-09-30 21:04:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1305 transitions. [2018-09-30 21:04:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:04:51,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 211 states and 1309 transitions. [2018-09-30 21:04:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 1309 transitions. [2018-09-30 21:04:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:04:53,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 212 states and 1313 transitions. [2018-09-30 21:04:54,353 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 1313 transitions. [2018-09-30 21:04:54,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:04:54,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 214 states and 1319 transitions. [2018-09-30 21:04:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 1319 transitions. [2018-09-30 21:04:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:04:57,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 215 states and 1327 transitions. [2018-09-30 21:04:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1327 transitions. [2018-09-30 21:04:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:04:58,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:00,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 220 states and 1375 transitions. [2018-09-30 21:05:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1375 transitions. [2018-09-30 21:05:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:05:09,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 222 states and 1378 transitions. [2018-09-30 21:05:12,858 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 1378 transitions. [2018-09-30 21:05:12,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:05:12,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:20,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:20,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 226 states and 1440 transitions. [2018-09-30 21:05:20,903 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 1440 transitions. [2018-09-30 21:05:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:05:20,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 229 states and 1455 transitions. [2018-09-30 21:05:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 1455 transitions. [2018-09-30 21:05:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:05:25,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 230 states and 1458 transitions. [2018-09-30 21:05:26,969 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1458 transitions. [2018-09-30 21:05:26,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:05:26,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:28,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 231 states and 1462 transitions. [2018-09-30 21:05:28,634 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1462 transitions. [2018-09-30 21:05:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:05:28,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:05:34,979 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:05:34,982 INFO L168 Benchmark]: Toolchain (without parser) took 259599.27 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 1.6 GB in the end (delta: -114.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-09-30 21:05:34,983 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:05:34,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:05:34,984 INFO L168 Benchmark]: Boogie Preprocessor took 21.97 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. [2018-09-30 21:05:34,984 INFO L168 Benchmark]: RCFGBuilder took 490.40 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. [2018-09-30 21:05:34,985 INFO L168 Benchmark]: CodeCheck took 259039.81 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 1.6 GB in the end (delta: -136.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-09-30 21:05:34,989 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 1088 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.97 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 490.40 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 259039.81 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 1.6 GB in the end (delta: -136.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product_WithoutIf.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-05-35-008.csv Completed graceful shutdown