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_product_WithProcedures.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:36:11,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:36:11,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:36:11,488 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:36:11,488 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:36:11,489 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:36:11,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:36:11,492 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:36:11,494 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:36:11,494 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:36:11,495 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:36:11,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:36:11,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:36:11,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:36:11,500 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:36:11,501 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:36:11,502 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:36:11,504 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:36:11,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:36:11,507 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:36:11,508 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:36:11,509 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:36:11,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:36:11,512 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:36:11,512 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:36:11,513 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:36:11,514 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:36:11,515 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:36:11,516 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:36:11,517 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:36:11,517 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:36:11,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:36:11,518 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:36:11,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:36:11,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:36:11,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:36:11,520 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 [2018-09-30 21:36:11,548 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:36:11,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:36:11,553 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:36:11,553 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:36:11,554 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:36:11,554 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:36:11,554 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:36:11,554 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:36:11,554 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:36:11,555 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:36:11,555 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:36:11,555 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:36:11,555 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:36:11,555 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:36:11,556 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:36:11,556 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:36:11,556 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:36:11,556 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:36:11,558 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:36:11,558 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:36:11,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:36:11,558 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:36:11,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:36:11,559 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:36:11,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:36:11,559 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:36:11,559 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:36:11,560 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:36:11,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:36:11,560 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:36:11,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:36:11,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:36:11,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:36:11,627 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:36:11,628 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:36:11,629 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-09-30 21:36:11,629 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-09-30 21:36:11,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:36:11,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:36:11,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:36:11,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:36:11,707 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:36:11,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (1/1) ... [2018-09-30 21:36:11,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (1/1) ... [2018-09-30 21:36:11,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:36:11,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:36:11,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:36:11,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:36:11,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (1/1) ... [2018-09-30 21:36:11,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (1/1) ... [2018-09-30 21:36:11,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (1/1) ... [2018-09-30 21:36:11,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (1/1) ... [2018-09-30 21:36:11,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (1/1) ... [2018-09-30 21:36:11,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (1/1) ... [2018-09-30 21:36:11,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (1/1) ... [2018-09-30 21:36:11,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:36:11,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:36:11,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:36:11,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:36:11,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:11" (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 21:36:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-09-30 21:36:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-09-30 21:36:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-09-30 21:36:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-09-30 21:36:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-09-30 21:36:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-09-30 21:36:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:36:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:36:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-09-30 21:36:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-09-30 21:36:12,489 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:36:12,490 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:36:12 BoogieIcfgContainer [2018-09-30 21:36:12,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:36:12,491 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:36:12,491 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:36:12,501 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:36:12,502 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:36:12" (1/1) ... [2018-09-30 21:36:12,516 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:36:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-09-30 21:36:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-09-30 21:36:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:36:12,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:12,838 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 21:36:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:13,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-30 21:36:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-30 21:36:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:36:13,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:13,918 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 21:36:14,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-09-30 21:36:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-09-30 21:36:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:14,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:15,202 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 21:36:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-09-30 21:36:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-09-30 21:36:16,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:16,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-09-30 21:36:16,859 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-09-30 21:36:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:16,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:36:17,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-09-30 21:36:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-09-30 21:36:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:17,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:17,304 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 21:36:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2018-09-30 21:36:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2018-09-30 21:36:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:17,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:17,752 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 21:36:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-09-30 21:36:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-09-30 21:36:19,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:19,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:19,204 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 21:36:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 67 states and 140 transitions. [2018-09-30 21:36:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 140 transitions. [2018-09-30 21:36:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:20,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:20,161 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 21:36:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-09-30 21:36:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-09-30 21:36:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:20,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:36:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 72 states and 154 transitions. [2018-09-30 21:36:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 154 transitions. [2018-09-30 21:36:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:21,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 73 states and 154 transitions. [2018-09-30 21:36:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 154 transitions. [2018-09-30 21:36:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:36:21,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:21,655 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 21:36:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 77 states and 165 transitions. [2018-09-30 21:36:22,141 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 165 transitions. [2018-09-30 21:36:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:36:22,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:22,277 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 21:36:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 84 states and 189 transitions. [2018-09-30 21:36:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 189 transitions. [2018-09-30 21:36:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:36:24,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:24,561 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 21:36:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:26,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 91 states and 212 transitions. [2018-09-30 21:36:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 212 transitions. [2018-09-30 21:36:26,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:36:26,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:27,042 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 21:36:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 98 states and 238 transitions. [2018-09-30 21:36:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 238 transitions. [2018-09-30 21:36:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:36:29,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:30,307 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 21:36:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 101 states and 247 transitions. [2018-09-30 21:36:31,396 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 247 transitions. [2018-09-30 21:36:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:36:31,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 104 states and 259 transitions. [2018-09-30 21:36:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 259 transitions. [2018-09-30 21:36:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:36:33,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:33,376 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 21:36:34,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 106 states and 265 transitions. [2018-09-30 21:36:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 265 transitions. [2018-09-30 21:36:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:36:34,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:34,317 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 21:36:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 108 states and 271 transitions. [2018-09-30 21:36:35,092 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 271 transitions. [2018-09-30 21:36:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:36:35,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:35,264 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 21:36:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 113 states and 290 transitions. [2018-09-30 21:36:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 290 transitions. [2018-09-30 21:36:36,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:36,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:36,591 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 21:36:38,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 120 states and 314 transitions. [2018-09-30 21:36:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 314 transitions. [2018-09-30 21:36:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:38,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:39,098 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 21:36:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 123 states and 323 transitions. [2018-09-30 21:36:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 323 transitions. [2018-09-30 21:36:40,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:40,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 128 states and 338 transitions. [2018-09-30 21:36:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 338 transitions. [2018-09-30 21:36:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:42,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,623 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 21:36:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 135 states and 361 transitions. [2018-09-30 21:36:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 361 transitions. [2018-09-30 21:36:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:44,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:44,598 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 21:36:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 143 states and 382 transitions. [2018-09-30 21:36:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 382 transitions. [2018-09-30 21:36:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:47,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,908 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 21:36:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 144 states and 384 transitions. [2018-09-30 21:36:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 384 transitions. [2018-09-30 21:36:48,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:48,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,475 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 21:36:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 145 states and 385 transitions. [2018-09-30 21:36:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 385 transitions. [2018-09-30 21:36:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:49,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,123 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 21:36:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 149 states and 395 transitions. [2018-09-30 21:36:49,915 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 395 transitions. [2018-09-30 21:36:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:49,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,956 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 21:36:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 156 states and 413 transitions. [2018-09-30 21:36:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 413 transitions. [2018-09-30 21:36:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:51,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,101 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 21:36:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 157 states and 413 transitions. [2018-09-30 21:36:52,406 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 413 transitions. [2018-09-30 21:36:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:52,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:36:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 158 states and 417 transitions. [2018-09-30 21:36:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 417 transitions. [2018-09-30 21:36:53,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:53,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,238 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 21:36:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 164 states and 435 transitions. [2018-09-30 21:36:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 435 transitions. [2018-09-30 21:36:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:55,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,460 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 21:36:55,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 165 states and 436 transitions. [2018-09-30 21:36:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 436 transitions. [2018-09-30 21:36:55,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:55,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 171 states and 452 transitions. [2018-09-30 21:36:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 452 transitions. [2018-09-30 21:36:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:58,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:36:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 173 states and 457 transitions. [2018-09-30 21:36:59,319 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 457 transitions. [2018-09-30 21:36:59,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:36:59,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,358 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 21:37:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 176 states and 469 transitions. [2018-09-30 21:37:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 469 transitions. [2018-09-30 21:37:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:37:00,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,689 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 21:37:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 182 states and 484 transitions. [2018-09-30 21:37:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 484 transitions. [2018-09-30 21:37:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:37:03,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,030 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 21:37:06,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 186 states and 502 transitions. [2018-09-30 21:37:06,527 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 502 transitions. [2018-09-30 21:37:06,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:37:06,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 188 states and 510 transitions. [2018-09-30 21:37:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 510 transitions. [2018-09-30 21:37:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:37:07,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:37:10,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 191 states and 519 transitions. [2018-09-30 21:37:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 519 transitions. [2018-09-30 21:37:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:37:10,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-30 21:37:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 191 states and 518 transitions. [2018-09-30 21:37:12,228 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 518 transitions. [2018-09-30 21:37:12,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:37:12,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 21:37:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 191 states and 517 transitions. [2018-09-30 21:37:13,296 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 517 transitions. [2018-09-30 21:37:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:37:13,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 194 states and 528 transitions. [2018-09-30 21:37:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 528 transitions. [2018-09-30 21:37:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:37:14,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:37:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 197 states and 538 transitions. [2018-09-30 21:37:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 538 transitions. [2018-09-30 21:37:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:17,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,475 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 21:37:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 202 states and 566 transitions. [2018-09-30 21:37:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 566 transitions. [2018-09-30 21:37:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:23,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 206 states and 589 transitions. [2018-09-30 21:37:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 589 transitions. [2018-09-30 21:37:26,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:26,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,228 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 21:37:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 214 states and 621 transitions. [2018-09-30 21:37:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 621 transitions. [2018-09-30 21:37:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:33,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,857 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 21:37:37,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 219 states and 635 transitions. [2018-09-30 21:37:37,864 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 635 transitions. [2018-09-30 21:37:37,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:37,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 225 states and 656 transitions. [2018-09-30 21:37:40,143 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 656 transitions. [2018-09-30 21:37:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:40,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,331 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 21:37:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 231 states and 680 transitions. [2018-09-30 21:37:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 680 transitions. [2018-09-30 21:37:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:43,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,428 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 21:37:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 235 states and 703 transitions. [2018-09-30 21:37:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 703 transitions. [2018-09-30 21:37:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:51,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,720 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 21:37:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 236 states and 713 transitions. [2018-09-30 21:37:52,929 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 713 transitions. [2018-09-30 21:37:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:52,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,035 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 21:37:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 239 states and 717 transitions. [2018-09-30 21:37:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 717 transitions. [2018-09-30 21:37:53,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:53,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,979 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 21:37:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 243 states and 738 transitions. [2018-09-30 21:37:58,121 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 738 transitions. [2018-09-30 21:37:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:37:58,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 247 states and 751 transitions. [2018-09-30 21:38:01,638 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 751 transitions. [2018-09-30 21:38:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:38:01,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,066 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 21:38:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 251 states and 766 transitions. [2018-09-30 21:38:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 766 transitions. [2018-09-30 21:38:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:38:06,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,009 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 21:38:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 254 states and 780 transitions. [2018-09-30 21:38:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 780 transitions. [2018-09-30 21:38:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:38:09,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,498 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 21:38:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 256 states and 788 transitions. [2018-09-30 21:38:11,676 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 788 transitions. [2018-09-30 21:38:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:38:11,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 258 states and 793 transitions. [2018-09-30 21:38:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 793 transitions. [2018-09-30 21:38:13,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:13,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,017 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 21:38:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 264 states and 815 transitions. [2018-09-30 21:38:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 815 transitions. [2018-09-30 21:38:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:19,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,134 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 21:38:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 269 states and 825 transitions. [2018-09-30 21:38:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 825 transitions. [2018-09-30 21:38:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:22,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:38:23,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 270 states and 825 transitions. [2018-09-30 21:38:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 825 transitions. [2018-09-30 21:38:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:23,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,823 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 21:38:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 277 states and 858 transitions. [2018-09-30 21:38:27,741 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 858 transitions. [2018-09-30 21:38:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:27,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,816 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 21:38:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 280 states and 872 transitions. [2018-09-30 21:38:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 872 transitions. [2018-09-30 21:38:30,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:30,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 282 states and 878 transitions. [2018-09-30 21:38:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 878 transitions. [2018-09-30 21:38:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:34,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,267 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 21:38:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 291 states and 933 transitions. [2018-09-30 21:38:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 933 transitions. [2018-09-30 21:38:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:44,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,654 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 21:38:46,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 292 states and 939 transitions. [2018-09-30 21:38:46,056 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 939 transitions. [2018-09-30 21:38:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:46,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 298 states and 967 transitions. [2018-09-30 21:38:53,195 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 967 transitions. [2018-09-30 21:38:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:53,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,239 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 21:38:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 299 states and 971 transitions. [2018-09-30 21:38:54,320 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 971 transitions. [2018-09-30 21:38:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:54,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,351 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 21:38:55,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 300 states and 975 transitions. [2018-09-30 21:38:55,487 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 975 transitions. [2018-09-30 21:38:55,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:55,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 301 states and 976 transitions. [2018-09-30 21:38:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 976 transitions. [2018-09-30 21:38:56,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:38:56,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 314 states and 1043 transitions. [2018-09-30 21:39:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1043 transitions. [2018-09-30 21:39:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:10,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 315 states and 1043 transitions. [2018-09-30 21:39:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1043 transitions. [2018-09-30 21:39:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:11,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,325 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 21:39:13,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 316 states and 1049 transitions. [2018-09-30 21:39:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1049 transitions. [2018-09-30 21:39:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:13,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,110 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 21:39:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 320 states and 1081 transitions. [2018-09-30 21:39:16,979 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1081 transitions. [2018-09-30 21:39:16,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:16,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 323 states and 1103 transitions. [2018-09-30 21:39:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1103 transitions. [2018-09-30 21:39:19,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:19,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,833 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 21:39:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 326 states and 1126 transitions. [2018-09-30 21:39:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1126 transitions. [2018-09-30 21:39:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:24,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,510 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 21:39:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 329 states and 1151 transitions. [2018-09-30 21:39:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1151 transitions. [2018-09-30 21:39:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:28,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 330 states and 1156 transitions. [2018-09-30 21:39:29,909 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1156 transitions. [2018-09-30 21:39:29,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:29,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 337 states and 1195 transitions. [2018-09-30 21:39:36,057 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1195 transitions. [2018-09-30 21:39:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:36,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 341 states and 1212 transitions. [2018-09-30 21:39:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1212 transitions. [2018-09-30 21:39:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:38,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 342 states and 1212 transitions. [2018-09-30 21:39:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1212 transitions. [2018-09-30 21:39:39,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:39,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,290 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 21:39:42,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 340 states and 1190 transitions. [2018-09-30 21:39:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1190 transitions. [2018-09-30 21:39:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:42,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,634 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 21:39:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 344 states and 1205 transitions. [2018-09-30 21:39:43,422 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1205 transitions. [2018-09-30 21:39:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:43,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 348 states and 1227 transitions. [2018-09-30 21:39:52,782 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1227 transitions. [2018-09-30 21:39:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:52,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,813 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 21:39:54,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 349 states and 1235 transitions. [2018-09-30 21:39:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1235 transitions. [2018-09-30 21:39:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:54,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:39:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 350 states and 1242 transitions. [2018-09-30 21:39:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1242 transitions. [2018-09-30 21:39:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:39:56,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,791 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 21:40:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:09,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 358 states and 1276 transitions. [2018-09-30 21:40:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1276 transitions. [2018-09-30 21:40:09,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:40:09,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:09,064 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 21:40:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 359 states and 1288 transitions. [2018-09-30 21:40:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1288 transitions. [2018-09-30 21:40:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:40:11,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,202 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 21:40:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 360 states and 1292 transitions. [2018-09-30 21:40:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1292 transitions. [2018-09-30 21:40:16,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:40:16,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown