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.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:01:11,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:01:11,171 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:01:11,186 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:01:11,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:01:11,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:01:11,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:01:11,192 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:01:11,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:01:11,196 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:01:11,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:01:11,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:01:11,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:01:11,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:01:11,203 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:01:11,211 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:01:11,213 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:01:11,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:01:11,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:01:11,227 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:01:11,228 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:01:11,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:01:11,231 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:01:11,231 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:01:11,232 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:01:11,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:01:11,234 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:01:11,234 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:01:11,235 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:01:11,236 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:01:11,236 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:01:11,237 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:01:11,237 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:01:11,238 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:01:11,239 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:01:11,239 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:01:11,240 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 21:01:11,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:01:11,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:01:11,256 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:01:11,257 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:01:11,257 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:01:11,257 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:01:11,258 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:01:11,258 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:01:11,258 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:01:11,258 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:01:11,258 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:01:11,259 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:01:11,259 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:01:11,259 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:01:11,259 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:01:11,259 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:01:11,260 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:01:11,260 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:01:11,260 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:01:11,260 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:01:11,260 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:01:11,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:01:11,261 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:01:11,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:01:11,261 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:01:11,261 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:01:11,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:01:11,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:01:11,262 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:01:11,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:01:11,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:01:11,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:01:11,335 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:01:11,336 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:01:11,337 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-09-30 21:01:11,338 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-09-30 21:01:11,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:01:11,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:01:11,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:11,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:01:11,420 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:01:11,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:11,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:11,463 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:01:11,463 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:01:11,463 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:01:11,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:11,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:01:11,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:01:11,467 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:01:11,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:11,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:11,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:11,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:11,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:11,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:11,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:11,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:01:11,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:01:11,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:01:11,496 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:01:11,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:11" (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 21:01:11,575 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-30 21:01:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-30 21:01:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-30 21:01:11,988 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:01:11,989 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:11 BoogieIcfgContainer [2018-09-30 21:01:11,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:01:11,990 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:01:11,990 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:01:12,002 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:01:12,003 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:11" (1/1) ... [2018-09-30 21:01:12,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:01:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-09-30 21:01:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-09-30 21:01:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:01:12,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:12,262 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 21:01:12,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:12,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-09-30 21:01:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-09-30 21:01:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:01:12,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:12,814 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 21:01:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-09-30 21:01:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-09-30 21:01:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:13,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:13,712 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2018-09-30 21:01:13,890 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 21:01:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-09-30 21:01:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-09-30 21:01:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:14,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:14,895 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 21:01:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:15,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2018-09-30 21:01:15,138 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2018-09-30 21:01:15,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:15,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:15,406 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 21:01:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:16,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 44 states and 141 transitions. [2018-09-30 21:01:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 141 transitions. [2018-09-30 21:01:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:16,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:16,330 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 21:01:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 48 states and 165 transitions. [2018-09-30 21:01:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 165 transitions. [2018-09-30 21:01:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:16,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:17,008 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 21:01:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-09-30 21:01:17,240 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-09-30 21:01:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:17,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:17,341 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 21:01:17,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 50 states and 186 transitions. [2018-09-30 21:01:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 186 transitions. [2018-09-30 21:01:17,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:17,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:17,806 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 21:01:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-09-30 21:01:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-09-30 21:01:18,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:18,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:18,393 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 21:01:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:18,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 55 states and 211 transitions. [2018-09-30 21:01:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 211 transitions. [2018-09-30 21:01:18,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:18,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:18,827 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 21:01:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 56 states and 213 transitions. [2018-09-30 21:01:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 213 transitions. [2018-09-30 21:01:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:19,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:19,220 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 21:01:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 57 states and 224 transitions. [2018-09-30 21:01:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 224 transitions. [2018-09-30 21:01:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:19,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:20,325 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 21:01:20,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:20,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 58 states and 235 transitions. [2018-09-30 21:01:20,978 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 235 transitions. [2018-09-30 21:01:20,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:20,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:21,180 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 21:01:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 61 states and 254 transitions. [2018-09-30 21:01:24,122 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 254 transitions. [2018-09-30 21:01:24,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:24,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:24,408 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 21:01:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 63 states and 280 transitions. [2018-09-30 21:01:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 280 transitions. [2018-09-30 21:01:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:25,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:25,917 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 21:01:25,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 64 states and 280 transitions. [2018-09-30 21:01:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 280 transitions. [2018-09-30 21:01:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:25,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:25,980 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 21:01:27,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 67 states and 313 transitions. [2018-09-30 21:01:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 313 transitions. [2018-09-30 21:01:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:27,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 21:01:28,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:28,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 69 states and 329 transitions. [2018-09-30 21:01:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 329 transitions. [2018-09-30 21:01:28,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:28,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 70 states and 332 transitions. [2018-09-30 21:01:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 332 transitions. [2018-09-30 21:01:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:28,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 72 states and 340 transitions. [2018-09-30 21:01:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 340 transitions. [2018-09-30 21:01:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:30,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:30,745 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 21:01:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 75 states and 365 transitions. [2018-09-30 21:01:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 365 transitions. [2018-09-30 21:01:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:32,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:32,419 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 21:01:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 78 states and 385 transitions. [2018-09-30 21:01:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 385 transitions. [2018-09-30 21:01:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:33,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:33,736 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 21:01:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 80 states and 390 transitions. [2018-09-30 21:01:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 390 transitions. [2018-09-30 21:01:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:34,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:35,039 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 21:01:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 86 states and 429 transitions. [2018-09-30 21:01:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 429 transitions. [2018-09-30 21:01:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:37,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:38,269 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 21:01:40,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 90 states and 445 transitions. [2018-09-30 21:01:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 445 transitions. [2018-09-30 21:01:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:40,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:40,483 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 21:01:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 91 states and 455 transitions. [2018-09-30 21:01:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 455 transitions. [2018-09-30 21:01:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:40,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:41,092 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 21:01:43,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 95 states and 480 transitions. [2018-09-30 21:01:43,532 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 480 transitions. [2018-09-30 21:01:43,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:43,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:43,882 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 21:01:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 97 states and 489 transitions. [2018-09-30 21:01:45,085 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 489 transitions. [2018-09-30 21:01:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:45,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:45,951 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 21:01:47,983 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-30 21:01:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:49,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 102 states and 525 transitions. [2018-09-30 21:01:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 525 transitions. [2018-09-30 21:01:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:49,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:50,382 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 21:01:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 107 states and 554 transitions. [2018-09-30 21:01:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 554 transitions. [2018-09-30 21:01:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:53,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:53,840 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 21:01:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 110 states and 580 transitions. [2018-09-30 21:01:55,126 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 580 transitions. [2018-09-30 21:01:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:55,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:55,180 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 21:01:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:56,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 112 states and 593 transitions. [2018-09-30 21:01:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 593 transitions. [2018-09-30 21:01:56,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:56,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:57,159 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 21:01:58,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 114 states and 599 transitions. [2018-09-30 21:01:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 599 transitions. [2018-09-30 21:01:58,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:58,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:59,099 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 21:01:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 115 states and 610 transitions. [2018-09-30 21:01:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 610 transitions. [2018-09-30 21:01:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:59,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:00,142 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 21:02:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 117 states and 625 transitions. [2018-09-30 21:02:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 625 transitions. [2018-09-30 21:02:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:01,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:01,719 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 21:02:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 119 states and 632 transitions. [2018-09-30 21:02:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 632 transitions. [2018-09-30 21:02:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:03,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:03,147 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 21:02:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 122 states and 648 transitions. [2018-09-30 21:02:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 648 transitions. [2018-09-30 21:02:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:05,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:05,397 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 21:02:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 123 states and 652 transitions. [2018-09-30 21:02:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 652 transitions. [2018-09-30 21:02:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:06,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:06,355 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 21:02:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 124 states and 655 transitions. [2018-09-30 21:02:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 655 transitions. [2018-09-30 21:02:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:06,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:07,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:07,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 125 states and 660 transitions. [2018-09-30 21:02:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 660 transitions. [2018-09-30 21:02:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:07,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:08,081 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 21:02:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 126 states and 662 transitions. [2018-09-30 21:02:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 662 transitions. [2018-09-30 21:02:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:08,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:09,563 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 21:02:13,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:13,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 129 states and 676 transitions. [2018-09-30 21:02:13,198 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 676 transitions. [2018-09-30 21:02:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:13,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:13,206 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 21:02:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 131 states and 692 transitions. [2018-09-30 21:02:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 692 transitions. [2018-09-30 21:02:14,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:14,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:15,156 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 21:02:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 133 states and 710 transitions. [2018-09-30 21:02:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 710 transitions. [2018-09-30 21:02:17,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:17,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:17,359 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 21:02:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 135 states and 725 transitions. [2018-09-30 21:02:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 725 transitions. [2018-09-30 21:02:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:02:19,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:19,139 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 21:02:20,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:20,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 137 states and 731 transitions. [2018-09-30 21:02:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 731 transitions. [2018-09-30 21:02:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:02:20,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:02:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 141 states and 775 transitions. [2018-09-30 21:02:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 775 transitions. [2018-09-30 21:02:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:24,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 144 states and 809 transitions. [2018-09-30 21:02:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 809 transitions. [2018-09-30 21:02:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:30,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:31,915 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 21:02:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 148 states and 850 transitions. [2018-09-30 21:02:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 850 transitions. [2018-09-30 21:02:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:36,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:02:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 151 states and 858 transitions. [2018-09-30 21:02:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 858 transitions. [2018-09-30 21:02:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:39,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:39,977 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 21:02:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 154 states and 873 transitions. [2018-09-30 21:02:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 873 transitions. [2018-09-30 21:02:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:43,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:43,491 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 21:02:45,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 156 states and 902 transitions. [2018-09-30 21:02:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 902 transitions. [2018-09-30 21:02:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:45,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:45,465 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 21:02:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:46,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 157 states and 923 transitions. [2018-09-30 21:02:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 923 transitions. [2018-09-30 21:02:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:46,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:47,046 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 21:02:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 160 states and 939 transitions. [2018-09-30 21:02:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 939 transitions. [2018-09-30 21:02:49,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:49,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:50,168 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 21:02:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 163 states and 960 transitions. [2018-09-30 21:02:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 960 transitions. [2018-09-30 21:02:53,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:53,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:53,545 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 21:02:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 164 states and 960 transitions. [2018-09-30 21:02:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 960 transitions. [2018-09-30 21:02:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:54,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:54,440 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 21:02:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 165 states and 968 transitions. [2018-09-30 21:02:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 968 transitions. [2018-09-30 21:02:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:55,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 165 states and 964 transitions. [2018-09-30 21:02:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 964 transitions. [2018-09-30 21:02:56,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:02:56,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:57,978 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 21:03:03,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:03,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 168 states and 983 transitions. [2018-09-30 21:03:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 983 transitions. [2018-09-30 21:03:03,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:03,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:03,043 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 21:03:05,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 171 states and 1005 transitions. [2018-09-30 21:03:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 1005 transitions. [2018-09-30 21:03:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:05,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:06,427 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 21:03:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 172 states and 1016 transitions. [2018-09-30 21:03:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 1016 transitions. [2018-09-30 21:03:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:09,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:09,012 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 21:03:09,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 173 states and 1026 transitions. [2018-09-30 21:03:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 1026 transitions. [2018-09-30 21:03:09,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:09,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:10,034 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 21:03:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 174 states and 1027 transitions. [2018-09-30 21:03:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 1027 transitions. [2018-09-30 21:03:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:10,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:10,689 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 21:03:12,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 176 states and 1036 transitions. [2018-09-30 21:03:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 1036 transitions. [2018-09-30 21:03:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:12,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:12,600 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 21:03:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 178 states and 1046 transitions. [2018-09-30 21:03:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 1046 transitions. [2018-09-30 21:03:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:14,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:21,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 181 states and 1073 transitions. [2018-09-30 21:03:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1073 transitions. [2018-09-30 21:03:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:21,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:03:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 184 states and 1090 transitions. [2018-09-30 21:03:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1090 transitions. [2018-09-30 21:03:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:25,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 188 states and 1123 transitions. [2018-09-30 21:03:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1123 transitions. [2018-09-30 21:03:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:31,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:31,601 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 21:03:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 190 states and 1129 transitions. [2018-09-30 21:03:34,063 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1129 transitions. [2018-09-30 21:03:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:34,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:03:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 192 states and 1147 transitions. [2018-09-30 21:03:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 1147 transitions. [2018-09-30 21:03:36,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:36,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:36,103 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 21:03:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 193 states and 1147 transitions. [2018-09-30 21:03:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1147 transitions. [2018-09-30 21:03:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:03:36,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:37,475 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 21:03:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 195 states and 1150 transitions. [2018-09-30 21:03:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1150 transitions. [2018-09-30 21:03:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:03:40,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:40,360 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 21:03:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:44,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 199 states and 1173 transitions. [2018-09-30 21:03:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 1173 transitions. [2018-09-30 21:03:44,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:03:44,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:44,718 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 21:03:47,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 201 states and 1176 transitions. [2018-09-30 21:03:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 1176 transitions. [2018-09-30 21:03:47,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:03:47,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:47,014 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 21:03:49,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 203 states and 1190 transitions. [2018-09-30 21:03:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 1190 transitions. [2018-09-30 21:03:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:03:49,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:49,574 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 21:03:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 203 states and 1189 transitions. [2018-09-30 21:03:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 1189 transitions. [2018-09-30 21:03:52,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:03:52,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:55,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 204 states and 1190 transitions. [2018-09-30 21:03:55,168 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 1190 transitions. [2018-09-30 21:03:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:03:55,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:55,868 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 21:03:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 205 states and 1204 transitions. [2018-09-30 21:03:59,965 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 1204 transitions. [2018-09-30 21:03:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:03:59,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:00,770 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 21:04:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 206 states and 1210 transitions. [2018-09-30 21:04:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 1210 transitions. [2018-09-30 21:04:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:02,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:04,066 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 21:04:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 211 states and 1247 transitions. [2018-09-30 21:04:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 1247 transitions. [2018-09-30 21:04:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:11,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:11,697 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 21:04:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 212 states and 1269 transitions. [2018-09-30 21:04:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 1269 transitions. [2018-09-30 21:04:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:13,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:13,867 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 21:04:20,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 216 states and 1300 transitions. [2018-09-30 21:04:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 1300 transitions. [2018-09-30 21:04:20,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:20,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:20,670 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 21:04:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 217 states and 1308 transitions. [2018-09-30 21:04:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 1308 transitions. [2018-09-30 21:04:23,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:23,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:23,400 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 21:04:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:27,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 220 states and 1343 transitions. [2018-09-30 21:04:27,346 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1343 transitions. [2018-09-30 21:04:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:27,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:28,200 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 21:04:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 220 states and 1340 transitions. [2018-09-30 21:04:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1340 transitions. [2018-09-30 21:04:31,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:31,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:32,101 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 21:04:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 222 states and 1335 transitions. [2018-09-30 21:04:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 1335 transitions. [2018-09-30 21:04:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:36,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:37,226 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 21:04:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 222 states and 1334 transitions. [2018-09-30 21:04:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 1334 transitions. [2018-09-30 21:04:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:40,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:41,361 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 21:04:48,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:48,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 227 states and 1376 transitions. [2018-09-30 21:04:48,110 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 1376 transitions. [2018-09-30 21:04:48,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:48,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:48,527 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 21:04:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 228 states and 1368 transitions. [2018-09-30 21:04:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1368 transitions. [2018-09-30 21:04:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:52,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:53,108 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 21:04:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 233 states and 1404 transitions. [2018-09-30 21:04:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1404 transitions. [2018-09-30 21:04:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:04:59,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 235 states and 1424 transitions. [2018-09-30 21:05:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1424 transitions. [2018-09-30 21:05:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:05:02,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:03,776 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 21:05:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:12,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 238 states and 1450 transitions. [2018-09-30 21:05:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1450 transitions. [2018-09-30 21:05:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:05:12,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:12,222 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 21:05:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 240 states and 1455 transitions. [2018-09-30 21:05:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 1455 transitions. [2018-09-30 21:05:14,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:05:14,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:14,832 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 21:05:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:18,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 240 states and 1454 transitions. [2018-09-30 21:05:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 1454 transitions. [2018-09-30 21:05:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:05:18,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:05:28,745 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 21:05:28,748 INFO L168 Benchmark]: Toolchain (without parser) took 257334.68 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 342.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-30 21:05:28,749 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:05:28,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.92 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 21:05:28,750 INFO L168 Benchmark]: Boogie Preprocessor took 29.24 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 21:05:28,750 INFO L168 Benchmark]: RCFGBuilder took 493.58 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 21:05:28,751 INFO L168 Benchmark]: CodeCheck took 256756.68 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 321.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-30 21:05:28,754 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 1125 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.92 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 29.24 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 493.58 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 256756.68 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 321.5 MB). Peak memory consumption was 2.2 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.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-05-28-766.csv Completed graceful shutdown