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_PUPT.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:22:18,327 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:22:18,329 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:22:18,347 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:22:18,347 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:22:18,348 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:22:18,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:22:18,352 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:22:18,355 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:22:18,357 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:22:18,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:22:18,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:22:18,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:22:18,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:22:18,371 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:22:18,372 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:22:18,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:22:18,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:22:18,380 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:22:18,382 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:22:18,383 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:22:18,384 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:22:18,386 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:22:18,386 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:22:18,386 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:22:18,387 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:22:18,388 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:22:18,389 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:22:18,390 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:22:18,391 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:22:18,391 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:22:18,392 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:22:18,392 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:22:18,392 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:22:18,393 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:22:18,394 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:22:18,394 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-28 11:22:18,421 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:22:18,421 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:22:18,422 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:22:18,422 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:22:18,424 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:22:18,424 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:22:18,424 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:22:18,425 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:22:18,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:22:18,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:22:18,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:22:18,426 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:22:18,426 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:22:18,427 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:22:18,427 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:22:18,427 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:22:18,427 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:22:18,428 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:22:18,429 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:22:18,429 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:22:18,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:22:18,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:22:18,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:22:18,430 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:22:18,430 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:22:18,430 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:22:18,430 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:22:18,431 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:22:18,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:22:18,431 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:22:18,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:22:18,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:22:18,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:22:18,498 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:22:18,498 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:22:18,499 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl [2018-09-28 11:22:18,499 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl' [2018-09-28 11:22:18,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:22:18,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:22:18,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:22:18,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:22:18,576 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:22:18,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,614 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 11:22:18,614 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 11:22:18,614 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 11:22:18,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:22:18,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:22:18,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:22:18,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:22:18,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:22:18,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:22:18,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:22:18,643 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:22:18,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:18" (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 [2018-09-28 11:22:18,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-28 11:22:18,727 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-28 11:22:18,727 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-28 11:22:19,388 INFO L350 CfgBuilder]: Using library mode [2018-09-28 11:22:19,388 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:22:19 BoogieIcfgContainer [2018-09-28 11:22:19,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:22:19,389 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:22:19,389 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:22:19,401 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:22:19,402 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:22:19" (1/1) ... [2018-09-28 11:22:19,422 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:22:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2018-09-28 11:22:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2018-09-28 11:22:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:22:19,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:19,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2018-09-28 11:22:20,525 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2018-09-28 11:22:20,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:22:20,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 22 states and 61 transitions. [2018-09-28 11:22:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 61 transitions. [2018-09-28 11:22:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:22:21,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 24 states and 73 transitions. [2018-09-28 11:22:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 73 transitions. [2018-09-28 11:22:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:22:22,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:22,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 27 states and 90 transitions. [2018-09-28 11:22:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 90 transitions. [2018-09-28 11:22:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:22:23,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:24,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 30 states and 112 transitions. [2018-09-28 11:22:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 112 transitions. [2018-09-28 11:22:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:22:24,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 31 states and 118 transitions. [2018-09-28 11:22:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 118 transitions. [2018-09-28 11:22:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:25,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:26,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:26,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 33 states and 131 transitions. [2018-09-28 11:22:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 131 transitions. [2018-09-28 11:22:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:26,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 37 states and 152 transitions. [2018-09-28 11:22:28,261 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 152 transitions. [2018-09-28 11:22:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:28,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 38 states and 157 transitions. [2018-09-28 11:22:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 157 transitions. [2018-09-28 11:22:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:29,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 42 states and 182 transitions. [2018-09-28 11:22:31,740 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 182 transitions. [2018-09-28 11:22:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:31,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 43 states and 189 transitions. [2018-09-28 11:22:32,954 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 189 transitions. [2018-09-28 11:22:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:32,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 44 states and 198 transitions. [2018-09-28 11:22:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 198 transitions. [2018-09-28 11:22:33,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:33,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:34,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 45 states and 202 transitions. [2018-09-28 11:22:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 202 transitions. [2018-09-28 11:22:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:34,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 48 states and 223 transitions. [2018-09-28 11:22:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 223 transitions. [2018-09-28 11:22:37,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:37,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:39,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:39,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 51 states and 250 transitions. [2018-09-28 11:22:39,567 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 250 transitions. [2018-09-28 11:22:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:39,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:39,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:41,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 53 states and 276 transitions. [2018-09-28 11:22:41,447 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 276 transitions. [2018-09-28 11:22:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:41,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 55 states and 302 transitions. [2018-09-28 11:22:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 302 transitions. [2018-09-28 11:22:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:43,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:43,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:44,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 56 states and 319 transitions. [2018-09-28 11:22:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 319 transitions. [2018-09-28 11:22:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:44,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 58 states and 339 transitions. [2018-09-28 11:22:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 339 transitions. [2018-09-28 11:22:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:46,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:47,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 59 states and 345 transitions. [2018-09-28 11:22:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 345 transitions. [2018-09-28 11:22:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:47,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:48,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 61 states and 363 transitions. [2018-09-28 11:22:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 363 transitions. [2018-09-28 11:22:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:50,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 62 states and 366 transitions. [2018-09-28 11:22:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 366 transitions. [2018-09-28 11:22:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:51,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 64 states and 390 transitions. [2018-09-28 11:22:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 390 transitions. [2018-09-28 11:22:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:53,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 65 states and 405 transitions. [2018-09-28 11:22:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 405 transitions. [2018-09-28 11:22:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:55,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 66 states and 414 transitions. [2018-09-28 11:22:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 414 transitions. [2018-09-28 11:22:56,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:56,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:58,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 68 states and 433 transitions. [2018-09-28 11:22:58,538 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 433 transitions. [2018-09-28 11:22:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:58,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:59,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:59,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 69 states and 448 transitions. [2018-09-28 11:22:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 448 transitions. [2018-09-28 11:22:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:22:59,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:03,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:03,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 71 states and 473 transitions. [2018-09-28 11:23:03,768 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 473 transitions. [2018-09-28 11:23:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:23:03,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:05,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 72 states and 482 transitions. [2018-09-28 11:23:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 482 transitions. [2018-09-28 11:23:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:05,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 11:23:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 73 states and 492 transitions. [2018-09-28 11:23:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 492 transitions. [2018-09-28 11:23:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:06,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 76 states and 537 transitions. [2018-09-28 11:23:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 537 transitions. [2018-09-28 11:23:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:12,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 77 states and 554 transitions. [2018-09-28 11:23:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 554 transitions. [2018-09-28 11:23:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:14,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 81 states and 595 transitions. [2018-09-28 11:23:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 595 transitions. [2018-09-28 11:23:21,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:21,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:23,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 82 states and 599 transitions. [2018-09-28 11:23:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 599 transitions. [2018-09-28 11:23:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:23,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:25,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 83 states and 618 transitions. [2018-09-28 11:23:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 618 transitions. [2018-09-28 11:23:25,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:25,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:28,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 85 states and 645 transitions. [2018-09-28 11:23:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 645 transitions. [2018-09-28 11:23:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:28,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 86 states and 659 transitions. [2018-09-28 11:23:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 659 transitions. [2018-09-28 11:23:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:30,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:34,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:34,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 88 states and 692 transitions. [2018-09-28 11:23:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 692 transitions. [2018-09-28 11:23:34,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:34,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 89 states and 697 transitions. [2018-09-28 11:23:37,204 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 697 transitions. [2018-09-28 11:23:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:37,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 11:23:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 90 states and 708 transitions. [2018-09-28 11:23:40,421 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 708 transitions. [2018-09-28 11:23:40,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:40,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:43,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:43,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 91 states and 714 transitions. [2018-09-28 11:23:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 714 transitions. [2018-09-28 11:23:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:43,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:45,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:45,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 92 states and 719 transitions. [2018-09-28 11:23:45,973 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 719 transitions. [2018-09-28 11:23:45,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:45,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 11:23:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 93 states and 726 transitions. [2018-09-28 11:23:47,795 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 726 transitions. [2018-09-28 11:23:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:47,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 96 states and 770 transitions. [2018-09-28 11:23:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 770 transitions. [2018-09-28 11:23:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:55,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 97 states and 775 transitions. [2018-09-28 11:23:58,015 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 775 transitions. [2018-09-28 11:23:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:23:58,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 98 states and 793 transitions. [2018-09-28 11:24:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 793 transitions. [2018-09-28 11:24:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:01,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 99 states and 802 transitions. [2018-09-28 11:24:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 802 transitions. [2018-09-28 11:24:04,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:04,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 101 states and 827 transitions. [2018-09-28 11:24:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 827 transitions. [2018-09-28 11:24:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:09,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:16,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 103 states and 844 transitions. [2018-09-28 11:24:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 844 transitions. [2018-09-28 11:24:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:16,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 104 states and 860 transitions. [2018-09-28 11:24:20,567 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 860 transitions. [2018-09-28 11:24:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:20,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 105 states and 875 transitions. [2018-09-28 11:24:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 875 transitions. [2018-09-28 11:24:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:24,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 106 states and 899 transitions. [2018-09-28 11:24:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 899 transitions. [2018-09-28 11:24:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:29,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 107 states and 906 transitions. [2018-09-28 11:24:33,582 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 906 transitions. [2018-09-28 11:24:33,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:33,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:44,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:44,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 109 states and 935 transitions. [2018-09-28 11:24:44,633 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 935 transitions. [2018-09-28 11:24:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:44,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:53,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 111 states and 951 transitions. [2018-09-28 11:24:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 951 transitions. [2018-09-28 11:24:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:24:53,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:03,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 113 states and 981 transitions. [2018-09-28 11:25:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 981 transitions. [2018-09-28 11:25:03,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:25:03,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:13,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 115 states and 1009 transitions. [2018-09-28 11:25:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 1009 transitions. [2018-09-28 11:25:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:25:13,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 11:25:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 116 states and 1013 transitions. [2018-09-28 11:25:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 1013 transitions. [2018-09-28 11:25:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:25:16,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 118 states and 1069 transitions. [2018-09-28 11:25:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 1069 transitions. [2018-09-28 11:25:26,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:25:26,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 119 states and 1092 transitions. [2018-09-28 11:25:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 1092 transitions. [2018-09-28 11:25:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:25:33,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 11:25:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 121 states and 1118 transitions. [2018-09-28 11:25:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 1118 transitions. [2018-09-28 11:25:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:25:45,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:45,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:53,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 122 states and 1145 transitions. [2018-09-28 11:25:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 1145 transitions. [2018-09-28 11:25:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:25:53,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:53,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 11:26:00,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:00,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 123 states and 1155 transitions. [2018-09-28 11:26:00,175 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 1155 transitions. [2018-09-28 11:26:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:26:00,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 11:26:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 124 states and 1173 transitions. [2018-09-28 11:26:02,020 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 1173 transitions. [2018-09-28 11:26:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:26:02,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:10,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 125 states and 1188 transitions. [2018-09-28 11:26:10,226 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 1188 transitions. [2018-09-28 11:26:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:26:10,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:18,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 126 states and 1200 transitions. [2018-09-28 11:26:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 1200 transitions. [2018-09-28 11:26:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:26:18,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 128 states and 1218 transitions. [2018-09-28 11:26:30,487 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 1218 transitions. [2018-09-28 11:26:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:26:30,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 129 states and 1233 transitions. [2018-09-28 11:26:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 1233 transitions. [2018-09-28 11:26:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:26:39,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown