java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:57:17,261 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:57:17,263 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:57:17,278 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:57:17,279 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:57:17,280 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:57:17,281 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:57:17,283 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:57:17,285 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:57:17,286 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:57:17,287 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:57:17,287 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:57:17,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:57:17,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:57:17,290 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:57:17,291 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:57:17,292 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:57:17,294 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:57:17,296 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:57:17,298 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:57:17,299 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:57:17,300 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:57:17,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 20:57:17,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 20:57:17,304 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 20:57:17,305 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 20:57:17,306 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 20:57:17,307 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 20:57:17,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 20:57:17,312 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 20:57:17,312 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 20:57:17,313 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 20:57:17,313 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 20:57:17,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 20:57:17,318 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 20:57:17,318 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 20:57:17,319 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 20:57:17,347 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:57:17,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:57:17,348 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:57:17,349 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:57:17,349 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:57:17,349 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:57:17,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:57:17,350 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:57:17,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:57:17,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:57:17,353 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:57:17,354 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:57:17,354 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:57:17,354 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:57:17,354 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:57:17,354 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:57:17,355 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:57:17,355 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 20:57:17,355 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 20:57:17,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:57:17,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:57:17,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 20:57:17,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:57:17,357 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:57:17,358 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:57:17,358 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 20:57:17,358 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:57:17,358 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:57:17,358 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:57:17,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:57:17,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:57:17,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:57:17,437 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:57:17,437 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:57:17,438 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl [2018-09-30 20:57:17,438 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl' [2018-09-30 20:57:17,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:57:17,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:57:17,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:17,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:57:17,531 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:57:17,551 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 30.09 08:57:17" (1/1) ... [2018-09-30 20:57:17,563 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 30.09 08:57:17" (1/1) ... [2018-09-30 20:57:17,568 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 20:57:17,568 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 20:57:17,568 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 20:57:17,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:17,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:57:17,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:57:17,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:57:17,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:17" (1/1) ... [2018-09-30 20:57:17,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:17" (1/1) ... [2018-09-30 20:57:17,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:17" (1/1) ... [2018-09-30 20:57:17,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:17" (1/1) ... [2018-09-30 20:57:17,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:17" (1/1) ... [2018-09-30 20:57:17,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:17" (1/1) ... [2018-09-30 20:57:17,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:17" (1/1) ... [2018-09-30 20:57:17,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:57:17,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:57:17,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:57:17,598 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:57:17,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:17" (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 20:57:17,657 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-30 20:57:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-30 20:57:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-30 20:57:18,354 INFO L345 CfgBuilder]: Using library mode [2018-09-30 20:57:18,354 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:18 BoogieIcfgContainer [2018-09-30 20:57:18,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:57:18,355 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 20:57:18,355 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 20:57:18,365 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 20:57:18,365 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:18" (1/1) ... [2018-09-30 20:57:18,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:57:18,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:18,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2018-09-30 20:57:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2018-09-30 20:57:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:57:18,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:18,613 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 20:57:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2018-09-30 20:57:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2018-09-30 20:57:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:57:18,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:19,086 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 20:57:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 22 states and 61 transitions. [2018-09-30 20:57:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 61 transitions. [2018-09-30 20:57:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:19,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:19,754 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 20:57:19,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:19,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 24 states and 73 transitions. [2018-09-30 20:57:19,888 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 73 transitions. [2018-09-30 20:57:19,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:19,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 27 states and 90 transitions. [2018-09-30 20:57:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 90 transitions. [2018-09-30 20:57:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:20,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:20,922 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 20:57:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 30 states and 112 transitions. [2018-09-30 20:57:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 112 transitions. [2018-09-30 20:57:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:21,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:21,368 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 20:57:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:21,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 31 states and 118 transitions. [2018-09-30 20:57:21,603 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 118 transitions. [2018-09-30 20:57:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:21,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:21,705 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 20:57:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 33 states and 131 transitions. [2018-09-30 20:57:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 131 transitions. [2018-09-30 20:57:22,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:22,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:22,226 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 20:57:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 37 states and 152 transitions. [2018-09-30 20:57:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 152 transitions. [2018-09-30 20:57:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:22,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:22,752 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 20:57:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 38 states and 157 transitions. [2018-09-30 20:57:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 157 transitions. [2018-09-30 20:57:22,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:22,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:23,093 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 20:57:24,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 42 states and 182 transitions. [2018-09-30 20:57:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 182 transitions. [2018-09-30 20:57:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:24,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:24,379 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 20:57:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 43 states and 189 transitions. [2018-09-30 20:57:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 189 transitions. [2018-09-30 20:57:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:24,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:26,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 44 states and 198 transitions. [2018-09-30 20:57:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 198 transitions. [2018-09-30 20:57:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:26,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:26,685 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 20:57:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 45 states and 202 transitions. [2018-09-30 20:57:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 202 transitions. [2018-09-30 20:57:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:26,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:28,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 48 states and 223 transitions. [2018-09-30 20:57:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 223 transitions. [2018-09-30 20:57:28,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:28,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:28,478 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 20:57:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 51 states and 250 transitions. [2018-09-30 20:57:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 250 transitions. [2018-09-30 20:57:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:29,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:30,145 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 20:57:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:30,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 53 states and 276 transitions. [2018-09-30 20:57:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 276 transitions. [2018-09-30 20:57:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:30,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:31,005 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 20:57:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 55 states and 302 transitions. [2018-09-30 20:57:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 302 transitions. [2018-09-30 20:57:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:31,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:31,755 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 20:57:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 56 states and 319 transitions. [2018-09-30 20:57:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 319 transitions. [2018-09-30 20:57:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:32,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:32,435 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 20:57:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 58 states and 339 transitions. [2018-09-30 20:57:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 339 transitions. [2018-09-30 20:57:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:33,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 59 states and 345 transitions. [2018-09-30 20:57:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 345 transitions. [2018-09-30 20:57:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:33,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 61 states and 363 transitions. [2018-09-30 20:57:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 363 transitions. [2018-09-30 20:57:35,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:35,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:35,458 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 20:57:36,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:36,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 63 states and 387 transitions. [2018-09-30 20:57:36,491 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 387 transitions. [2018-09-30 20:57:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:36,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:36,504 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 20:57:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 64 states and 402 transitions. [2018-09-30 20:57:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 402 transitions. [2018-09-30 20:57:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:36,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:36,999 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 20:57:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 65 states and 411 transitions. [2018-09-30 20:57:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 411 transitions. [2018-09-30 20:57:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:37,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:37,507 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 20:57:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:38,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 67 states and 430 transitions. [2018-09-30 20:57:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 430 transitions. [2018-09-30 20:57:38,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:38,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:38,534 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 20:57:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 68 states and 445 transitions. [2018-09-30 20:57:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 445 transitions. [2018-09-30 20:57:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:39,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:39,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:41,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:41,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 70 states and 470 transitions. [2018-09-30 20:57:41,204 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 470 transitions. [2018-09-30 20:57:41,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:41,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:41,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 71 states and 479 transitions. [2018-09-30 20:57:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 479 transitions. [2018-09-30 20:57:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:41,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:57:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 72 states and 489 transitions. [2018-09-30 20:57:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 489 transitions. [2018-09-30 20:57:42,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:42,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 75 states and 534 transitions. [2018-09-30 20:57:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 534 transitions. [2018-09-30 20:57:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:45,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:45,727 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 20:57:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 76 states and 551 transitions. [2018-09-30 20:57:46,217 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 551 transitions. [2018-09-30 20:57:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:46,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 80 states and 592 transitions. [2018-09-30 20:57:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 592 transitions. [2018-09-30 20:57:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:48,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:49,099 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 20:57:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 81 states and 596 transitions. [2018-09-30 20:57:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 596 transitions. [2018-09-30 20:57:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:49,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:49,697 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 20:57:50,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 82 states and 615 transitions. [2018-09-30 20:57:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 615 transitions. [2018-09-30 20:57:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:50,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 85 states and 656 transitions. [2018-09-30 20:57:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 656 transitions. [2018-09-30 20:57:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:52,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:53,060 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 20:57:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 87 states and 689 transitions. [2018-09-30 20:57:54,104 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 689 transitions. [2018-09-30 20:57:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:54,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 88 states and 694 transitions. [2018-09-30 20:57:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 694 transitions. [2018-09-30 20:57:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:54,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:57:55,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 89 states and 705 transitions. [2018-09-30 20:57:55,568 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 705 transitions. [2018-09-30 20:57:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:55,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 91 states and 735 transitions. [2018-09-30 20:57:58,007 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 735 transitions. [2018-09-30 20:57:58,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:58,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:58,168 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 20:57:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:58,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 92 states and 741 transitions. [2018-09-30 20:57:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 741 transitions. [2018-09-30 20:57:58,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:58,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:59,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:59,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 93 states and 751 transitions. [2018-09-30 20:57:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 751 transitions. [2018-09-30 20:57:59,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:59,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:59,623 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 20:58:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 95 states and 773 transitions. [2018-09-30 20:58:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 773 transitions. [2018-09-30 20:58:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:01,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:58:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 96 states and 780 transitions. [2018-09-30 20:58:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 780 transitions. [2018-09-30 20:58:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:01,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:01,896 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 20:58:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:02,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 97 states and 790 transitions. [2018-09-30 20:58:02,469 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 790 transitions. [2018-09-30 20:58:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:02,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:02,477 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 20:58:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 100 states and 828 transitions. [2018-09-30 20:58:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 828 transitions. [2018-09-30 20:58:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:05,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:08,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:08,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 103 states and 871 transitions. [2018-09-30 20:58:08,453 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 871 transitions. [2018-09-30 20:58:08,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:08,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:08,462 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 20:58:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 104 states and 888 transitions. [2018-09-30 20:58:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 888 transitions. [2018-09-30 20:58:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:09,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:09,378 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 20:58:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 105 states and 907 transitions. [2018-09-30 20:58:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 907 transitions. [2018-09-30 20:58:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:10,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 106 states and 931 transitions. [2018-09-30 20:58:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 931 transitions. [2018-09-30 20:58:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:11,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:13,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:13,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 108 states and 968 transitions. [2018-09-30 20:58:13,718 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 968 transitions. [2018-09-30 20:58:13,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:13,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 110 states and 985 transitions. [2018-09-30 20:58:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 985 transitions. [2018-09-30 20:58:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:15,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:16,309 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 20:58:17,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:17,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 111 states and 992 transitions. [2018-09-30 20:58:17,104 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 992 transitions. [2018-09-30 20:58:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:17,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:17,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:17,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 112 states and 1005 transitions. [2018-09-30 20:58:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 1005 transitions. [2018-09-30 20:58:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:17,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:18,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 113 states and 1015 transitions. [2018-09-30 20:58:18,801 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 1015 transitions. [2018-09-30 20:58:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:18,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:19,081 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 20:58:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 115 states and 1033 transitions. [2018-09-30 20:58:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 1033 transitions. [2018-09-30 20:58:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:58:21,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:21,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:22,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 117 states and 1061 transitions. [2018-09-30 20:58:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 1061 transitions. [2018-09-30 20:58:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:22,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:22,981 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 20:58:23,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:23,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 118 states and 1082 transitions. [2018-09-30 20:58:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 1082 transitions. [2018-09-30 20:58:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:23,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:23,858 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 20:58:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:25,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 120 states and 1106 transitions. [2018-09-30 20:58:25,454 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 1106 transitions. [2018-09-30 20:58:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:25,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:25,880 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 20:58:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:26,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 121 states and 1120 transitions. [2018-09-30 20:58:26,720 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 1120 transitions. [2018-09-30 20:58:26,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:26,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:26,823 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 20:58:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:27,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 122 states and 1145 transitions. [2018-09-30 20:58:27,663 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 1145 transitions. [2018-09-30 20:58:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:27,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:58:28,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 123 states and 1162 transitions. [2018-09-30 20:58:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 1162 transitions. [2018-09-30 20:58:28,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:28,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:28,406 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 20:58:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 124 states and 1171 transitions. [2018-09-30 20:58:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 1171 transitions. [2018-09-30 20:58:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:29,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:29,238 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 20:58:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 126 states and 1235 transitions. [2018-09-30 20:58:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 1235 transitions. [2018-09-30 20:58:31,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:31,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:31,814 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 20:58:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 128 states and 1258 transitions. [2018-09-30 20:58:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 1258 transitions. [2018-09-30 20:58:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:33,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:33,921 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 20:58:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 129 states and 1264 transitions. [2018-09-30 20:58:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 1264 transitions. [2018-09-30 20:58:34,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:34,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:34,540 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 20:58:34,765 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2018-09-30 20:58:35,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:35,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 130 states and 1284 transitions. [2018-09-30 20:58:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 1284 transitions. [2018-09-30 20:58:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:35,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:35,467 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 20:58:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 133 states and 1314 transitions. [2018-09-30 20:58:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 1314 transitions. [2018-09-30 20:58:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:37,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:58:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 134 states and 1330 transitions. [2018-09-30 20:58:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 1330 transitions. [2018-09-30 20:58:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:38,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 135 states and 1340 transitions. [2018-09-30 20:58:39,499 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 1340 transitions. [2018-09-30 20:58:39,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:39,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:58:40,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:40,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 136 states and 1356 transitions. [2018-09-30 20:58:40,502 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 1356 transitions. [2018-09-30 20:58:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:40,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 137 states and 1367 transitions. [2018-09-30 20:58:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 1367 transitions. [2018-09-30 20:58:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:41,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:58:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 138 states and 1386 transitions. [2018-09-30 20:58:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 1386 transitions. [2018-09-30 20:58:42,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:42,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 141 states and 1426 transitions. [2018-09-30 20:58:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 1426 transitions. [2018-09-30 20:58:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:45,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:46,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 142 states and 1459 transitions. [2018-09-30 20:58:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 1459 transitions. [2018-09-30 20:58:46,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:46,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:47,031 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 20:58:47,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 143 states and 1480 transitions. [2018-09-30 20:58:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 1480 transitions. [2018-09-30 20:58:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:47,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:58:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 144 states and 1500 transitions. [2018-09-30 20:58:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 1500 transitions. [2018-09-30 20:58:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:49,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:58:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 145 states and 1513 transitions. [2018-09-30 20:58:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 1513 transitions. [2018-09-30 20:58:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:50,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:58:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 146 states and 1527 transitions. [2018-09-30 20:58:51,122 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 1527 transitions. [2018-09-30 20:58:51,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:51,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:58:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:52,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 147 states and 1534 transitions. [2018-09-30 20:58:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 1534 transitions. [2018-09-30 20:58:52,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:52,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 148 states and 1546 transitions. [2018-09-30 20:58:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 1546 transitions. [2018-09-30 20:58:54,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:54,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:54,664 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 20:58:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 150 states and 1570 transitions. [2018-09-30 20:58:57,553 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 1570 transitions. [2018-09-30 20:58:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:58:57,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 152 states and 1592 transitions. [2018-09-30 20:59:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 1592 transitions. [2018-09-30 20:59:00,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:00,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:00,221 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 20:59:01,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 153 states and 1600 transitions. [2018-09-30 20:59:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 1600 transitions. [2018-09-30 20:59:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:01,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:01,377 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 20:59:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:02,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 154 states and 1612 transitions. [2018-09-30 20:59:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 1612 transitions. [2018-09-30 20:59:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:02,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:02,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:04,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 155 states and 1628 transitions. [2018-09-30 20:59:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 1628 transitions. [2018-09-30 20:59:04,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:04,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:04,119 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 20:59:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 156 states and 1642 transitions. [2018-09-30 20:59:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 1642 transitions. [2018-09-30 20:59:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:05,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:05,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 159 states and 1694 transitions. [2018-09-30 20:59:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 1694 transitions. [2018-09-30 20:59:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:09,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:11,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 160 states and 1721 transitions. [2018-09-30 20:59:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 1721 transitions. [2018-09-30 20:59:11,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:11,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 161 states and 1745 transitions. [2018-09-30 20:59:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 1745 transitions. [2018-09-30 20:59:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:12,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 164 states and 1775 transitions. [2018-09-30 20:59:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 1775 transitions. [2018-09-30 20:59:15,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:15,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 166 states and 1782 transitions. [2018-09-30 20:59:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 1782 transitions. [2018-09-30 20:59:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:17,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:17,640 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 20:59:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 170 states and 1826 transitions. [2018-09-30 20:59:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 1826 transitions. [2018-09-30 20:59:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:22,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:24,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 172 states and 1833 transitions. [2018-09-30 20:59:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 1833 transitions. [2018-09-30 20:59:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:24,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 173 states and 1838 transitions. [2018-09-30 20:59:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 1838 transitions. [2018-09-30 20:59:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:24,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:24,896 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 20:59:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:25,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 174 states and 1840 transitions. [2018-09-30 20:59:25,648 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 1840 transitions. [2018-09-30 20:59:25,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:25,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:25,655 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 20:59:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 175 states and 1854 transitions. [2018-09-30 20:59:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 1854 transitions. [2018-09-30 20:59:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:26,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:26,781 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 20:59:28,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:28,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 176 states and 1867 transitions. [2018-09-30 20:59:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 1867 transitions. [2018-09-30 20:59:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:28,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:28,033 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 20:59:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 178 states and 1924 transitions. [2018-09-30 20:59:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 1924 transitions. [2018-09-30 20:59:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:30,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:30,918 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 20:59:33,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 180 states and 1947 transitions. [2018-09-30 20:59:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 1947 transitions. [2018-09-30 20:59:33,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:33,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:33,885 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 20:59:34,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 181 states and 1968 transitions. [2018-09-30 20:59:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1968 transitions. [2018-09-30 20:59:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:34,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:35,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 183 states and 1988 transitions. [2018-09-30 20:59:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 1988 transitions. [2018-09-30 20:59:38,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:38,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:38,289 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 20:59:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 184 states and 2010 transitions. [2018-09-30 20:59:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 2010 transitions. [2018-09-30 20:59:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:39,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 186 states and 2052 transitions. [2018-09-30 20:59:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 2052 transitions. [2018-09-30 20:59:42,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:42,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:42,042 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 20:59:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 187 states and 2073 transitions. [2018-09-30 20:59:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 2073 transitions. [2018-09-30 20:59:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:43,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:45,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 188 states and 2099 transitions. [2018-09-30 20:59:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 2099 transitions. [2018-09-30 20:59:45,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:45,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 189 states and 2104 transitions. [2018-09-30 20:59:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 2104 transitions. [2018-09-30 20:59:45,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:45,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:46,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 190 states and 2106 transitions. [2018-09-30 20:59:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 2106 transitions. [2018-09-30 20:59:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:46,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:46,711 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 20:59:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 191 states and 2117 transitions. [2018-09-30 20:59:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 2117 transitions. [2018-09-30 20:59:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:48,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:48,076 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 20:59:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 192 states and 2135 transitions. [2018-09-30 20:59:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 2135 transitions. [2018-09-30 20:59:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:49,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:49,549 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 20:59:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:50,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 193 states and 2144 transitions. [2018-09-30 20:59:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 2144 transitions. [2018-09-30 20:59:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:50,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:50,663 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 20:59:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 195 states and 2169 transitions. [2018-09-30 20:59:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 2169 transitions. [2018-09-30 20:59:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:53,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:53,377 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 20:59:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 196 states and 2174 transitions. [2018-09-30 20:59:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 2174 transitions. [2018-09-30 20:59:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:54,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 20:59:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 198 states and 2181 transitions. [2018-09-30 20:59:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 2181 transitions. [2018-09-30 20:59:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:59:57,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:02,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 201 states and 2224 transitions. [2018-09-30 21:00:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 2224 transitions. [2018-09-30 21:00:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:00:02,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 202 states and 2234 transitions. [2018-09-30 21:00:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 2234 transitions. [2018-09-30 21:00:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:00:03,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 203 states and 2245 transitions. [2018-09-30 21:00:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 2245 transitions. [2018-09-30 21:00:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:00:04,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:04,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 204 states and 2256 transitions. [2018-09-30 21:00:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 2256 transitions. [2018-09-30 21:00:05,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:00:05,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:05,868 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 21:00:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 206 states and 2273 transitions. [2018-09-30 21:00:08,475 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 2273 transitions. [2018-09-30 21:00:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:00:08,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:08,672 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 21:00:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 207 states and 2275 transitions. [2018-09-30 21:00:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 2275 transitions. [2018-09-30 21:00:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:00:09,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:12,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 209 states and 2305 transitions. [2018-09-30 21:00:12,079 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 2305 transitions. [2018-09-30 21:00:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:00:12,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:13,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:13,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 210 states and 2315 transitions. [2018-09-30 21:00:13,564 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 2315 transitions. [2018-09-30 21:00:13,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:00:13,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:13,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 21:00:15,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:15,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 212 states and 2330 transitions. [2018-09-30 21:00:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 2330 transitions. [2018-09-30 21:00:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:15,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:17,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:17,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 213 states and 2341 transitions. [2018-09-30 21:00:17,409 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 2341 transitions. [2018-09-30 21:00:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:17,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:18,559 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 21:00:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 214 states and 2349 transitions. [2018-09-30 21:00:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 2349 transitions. [2018-09-30 21:00:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:20,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:20,186 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 21:00:21,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 215 states and 2361 transitions. [2018-09-30 21:00:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 2361 transitions. [2018-09-30 21:00:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:21,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 216 states and 2368 transitions. [2018-09-30 21:00:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 2368 transitions. [2018-09-30 21:00:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:23,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:25,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 217 states and 2380 transitions. [2018-09-30 21:00:25,243 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 2380 transitions. [2018-09-30 21:00:25,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:25,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 218 states and 2389 transitions. [2018-09-30 21:00:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 2389 transitions. [2018-09-30 21:00:26,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:26,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 220 states and 2440 transitions. [2018-09-30 21:00:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 2440 transitions. [2018-09-30 21:00:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:30,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 21:00:31,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:31,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 221 states and 2445 transitions. [2018-09-30 21:00:31,463 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 2445 transitions. [2018-09-30 21:00:31,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:31,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 21:00:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 222 states and 2450 transitions. [2018-09-30 21:00:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 2450 transitions. [2018-09-30 21:00:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:32,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:37,780 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 21:00:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 223 states and 2468 transitions. [2018-09-30 21:00:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 2468 transitions. [2018-09-30 21:00:40,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:40,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:40,828 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 21:00:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 224 states and 2493 transitions. [2018-09-30 21:00:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 2493 transitions. [2018-09-30 21:00:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:42,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:43,140 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 21:00:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 227 states and 2530 transitions. [2018-09-30 21:00:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 2530 transitions. [2018-09-30 21:00:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:47,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 229 states and 2550 transitions. [2018-09-30 21:00:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 2550 transitions. [2018-09-30 21:00:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:50,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:50,739 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 21:00:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 230 states and 2563 transitions. [2018-09-30 21:00:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 2563 transitions. [2018-09-30 21:00:52,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:52,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:52,129 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 21:00:54,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 232 states and 2587 transitions. [2018-09-30 21:00:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 2587 transitions. [2018-09-30 21:00:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:54,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:55,096 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 21:00:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 233 states and 2598 transitions. [2018-09-30 21:00:56,556 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 2598 transitions. [2018-09-30 21:00:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:56,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 234 states and 2608 transitions. [2018-09-30 21:00:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 2608 transitions. [2018-09-30 21:00:58,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:58,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:00:58,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:58,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 235 states and 2610 transitions. [2018-09-30 21:00:58,727 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 2610 transitions. [2018-09-30 21:00:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:00:58,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:01,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 237 states and 2642 transitions. [2018-09-30 21:01:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 2642 transitions. [2018-09-30 21:01:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:01,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:01,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 238 states and 2666 transitions. [2018-09-30 21:01:03,279 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 2666 transitions. [2018-09-30 21:01:03,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:03,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 239 states and 2696 transitions. [2018-09-30 21:01:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 2696 transitions. [2018-09-30 21:01:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:05,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 240 states and 2730 transitions. [2018-09-30 21:01:07,001 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 2730 transitions. [2018-09-30 21:01:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:07,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:07,107 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 21:01:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:08,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 241 states and 2734 transitions. [2018-09-30 21:01:08,175 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 2734 transitions. [2018-09-30 21:01:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:08,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 242 states and 2770 transitions. [2018-09-30 21:01:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 2770 transitions. [2018-09-30 21:01:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:10,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 243 states and 2785 transitions. [2018-09-30 21:01:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 2785 transitions. [2018-09-30 21:01:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:11,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 244 states and 2793 transitions. [2018-09-30 21:01:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 2793 transitions. [2018-09-30 21:01:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:13,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 245 states and 2801 transitions. [2018-09-30 21:01:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 2801 transitions. [2018-09-30 21:01:15,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:15,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:16,605 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 21:01:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 248 states and 2859 transitions. [2018-09-30 21:01:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 2859 transitions. [2018-09-30 21:01:22,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:22,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:22,825 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 21:01:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 249 states and 2864 transitions. [2018-09-30 21:01:24,229 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 2864 transitions. [2018-09-30 21:01:24,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:24,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:24,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 250 states and 2872 transitions. [2018-09-30 21:01:25,863 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 2872 transitions. [2018-09-30 21:01:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:25,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:25,957 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 21:01:28,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 252 states and 2882 transitions. [2018-09-30 21:01:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 2882 transitions. [2018-09-30 21:01:28,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:28,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:01:28,845 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:01:28,847 INFO L168 Benchmark]: Toolchain (without parser) took 251320.57 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 602.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:28,848 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:01:28,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:01:28,849 INFO L168 Benchmark]: Boogie Preprocessor took 25.55 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:01:28,849 INFO L168 Benchmark]: RCFGBuilder took 757.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:28,850 INFO L168 Benchmark]: CodeCheck took 250491.35 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 581.0 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:28,853 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1038 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.55 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 757.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 250491.35 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 581.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out2.mover.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-01-28-863.csv Completed graceful shutdown