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/GateController.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:57:09,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:57:09,338 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:57:09,355 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:57:09,356 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:57:09,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:57:09,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:57:09,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:57:09,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:57:09,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:57:09,370 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:57:09,370 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:57:09,371 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:57:09,372 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:57:09,380 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:57:09,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:57:09,385 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:57:09,387 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:57:09,389 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:57:09,390 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:57:09,394 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:57:09,397 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:57:09,400 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 20:57:09,401 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 20:57:09,401 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 20:57:09,402 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 20:57:09,403 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 20:57:09,404 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 20:57:09,405 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 20:57:09,408 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 20:57:09,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 20:57:09,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 20:57:09,412 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 20:57:09,412 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 20:57:09,414 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 20:57:09,415 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 20:57:09,416 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 20:57:09,446 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:57:09,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:57:09,447 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:57:09,448 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:57:09,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:57:09,448 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:57:09,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:57:09,449 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:57:09,449 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:57:09,449 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:57:09,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:57:09,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:57:09,451 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:57:09,451 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:57:09,451 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:57:09,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:57:09,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:57:09,452 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 20:57:09,452 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 20:57:09,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:57:09,452 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:57:09,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 20:57:09,454 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:57:09,454 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:57:09,454 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:57:09,454 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 20:57:09,454 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:57:09,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:57:09,455 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:57:09,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:57:09,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:57:09,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:57:09,547 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:57:09,547 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:57:09,548 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl [2018-09-30 20:57:09,549 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl' [2018-09-30 20:57:09,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:57:09,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:57:09,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:09,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:57:09,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:57:09,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,657 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 20:57:09,657 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 20:57:09,658 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 20:57:09,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:09,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:57:09,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:57:09,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:57:09,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:57:09,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:57:09,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:57:09,689 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:57:09,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (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 20:57:09,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-09-30 20:57:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-09-30 20:57:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-09-30 20:57:10,252 INFO L345 CfgBuilder]: Using library mode [2018-09-30 20:57:10,253 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:10 BoogieIcfgContainer [2018-09-30 20:57:10,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:57:10,253 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 20:57:10,254 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 20:57:10,266 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 20:57:10,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:10" (1/1) ... [2018-09-30 20:57:10,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:57:10,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 20:57:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 20:57:10,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 20:57:10,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:10,454 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 20:57:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-30 20:57:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-30 20:57:10,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:57:10,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:10,637 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 20:57:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-09-30 20:57:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-09-30 20:57:10,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:10,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-09-30 20:57:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-09-30 20:57:11,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:11,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:11,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 10 states and 25 transitions. [2018-09-30 20:57:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 25 transitions. [2018-09-30 20:57:11,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:11,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:12,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 11 states and 32 transitions. [2018-09-30 20:57:12,271 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 32 transitions. [2018-09-30 20:57:12,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:12,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 12 states and 40 transitions. [2018-09-30 20:57:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 40 transitions. [2018-09-30 20:57:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:57:12,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 13 states and 49 transitions. [2018-09-30 20:57:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 49 transitions. [2018-09-30 20:57:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 20:57:12,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:13,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 14 states and 59 transitions. [2018-09-30 20:57:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 59 transitions. [2018-09-30 20:57:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 20:57:13,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 15 states and 70 transitions. [2018-09-30 20:57:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 70 transitions. [2018-09-30 20:57:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 20:57:13,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:13,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 16 states and 82 transitions. [2018-09-30 20:57:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 82 transitions. [2018-09-30 20:57:13,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 20:57:13,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:14,061 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 17 states and 95 transitions. [2018-09-30 20:57:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 95 transitions. [2018-09-30 20:57:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 20:57:14,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 18 states and 109 transitions. [2018-09-30 20:57:14,868 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 109 transitions. [2018-09-30 20:57:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 20:57:14,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:15,551 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-09-30 20:57:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 19 states and 124 transitions. [2018-09-30 20:57:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 124 transitions. [2018-09-30 20:57:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:57:15,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 20 states and 140 transitions. [2018-09-30 20:57:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 140 transitions. [2018-09-30 20:57:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:57:16,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 21 states and 157 transitions. [2018-09-30 20:57:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 157 transitions. [2018-09-30 20:57:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 20:57:17,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 22 states and 175 transitions. [2018-09-30 20:57:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 175 transitions. [2018-09-30 20:57:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:57:17,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:18,367 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:18,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 23 states and 194 transitions. [2018-09-30 20:57:18,648 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 194 transitions. [2018-09-30 20:57:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 20:57:18,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:19,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 24 states and 214 transitions. [2018-09-30 20:57:19,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 214 transitions. [2018-09-30 20:57:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 20:57:19,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 25 states and 235 transitions. [2018-09-30 20:57:19,842 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 235 transitions. [2018-09-30 20:57:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 20:57:19,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:20,616 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-30 20:57:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 26 states and 257 transitions. [2018-09-30 20:57:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 257 transitions. [2018-09-30 20:57:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 20:57:20,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:21,488 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-30 20:57:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 27 states and 280 transitions. [2018-09-30 20:57:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 280 transitions. [2018-09-30 20:57:21,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 20:57:21,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 28 states and 304 transitions. [2018-09-30 20:57:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 304 transitions. [2018-09-30 20:57:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 20:57:22,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 29 states and 329 transitions. [2018-09-30 20:57:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 329 transitions. [2018-09-30 20:57:23,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 20:57:23,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 30 states and 355 transitions. [2018-09-30 20:57:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 355 transitions. [2018-09-30 20:57:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 20:57:24,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 31 states and 382 transitions. [2018-09-30 20:57:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 382 transitions. [2018-09-30 20:57:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 20:57:24,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 32 states and 410 transitions. [2018-09-30 20:57:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 410 transitions. [2018-09-30 20:57:25,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 20:57:25,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 33 states and 439 transitions. [2018-09-30 20:57:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 439 transitions. [2018-09-30 20:57:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 20:57:27,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 34 states and 469 transitions. [2018-09-30 20:57:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 469 transitions. [2018-09-30 20:57:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 20:57:28,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 35 states and 500 transitions. [2018-09-30 20:57:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 500 transitions. [2018-09-30 20:57:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 20:57:28,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 36 states and 532 transitions. [2018-09-30 20:57:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 532 transitions. [2018-09-30 20:57:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 20:57:29,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 37 states and 565 transitions. [2018-09-30 20:57:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 565 transitions. [2018-09-30 20:57:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 20:57:29,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 38 states and 599 transitions. [2018-09-30 20:57:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 599 transitions. [2018-09-30 20:57:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 20:57:30,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:31,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:31,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 39 states and 634 transitions. [2018-09-30 20:57:31,311 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 634 transitions. [2018-09-30 20:57:31,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 20:57:31,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 40 states and 670 transitions. [2018-09-30 20:57:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 670 transitions. [2018-09-30 20:57:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 20:57:32,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 41 states and 707 transitions. [2018-09-30 20:57:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 707 transitions. [2018-09-30 20:57:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 20:57:32,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 42 states and 745 transitions. [2018-09-30 20:57:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 745 transitions. [2018-09-30 20:57:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 20:57:33,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 43 states and 784 transitions. [2018-09-30 20:57:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 784 transitions. [2018-09-30 20:57:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 20:57:33,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 44 states and 824 transitions. [2018-09-30 20:57:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 824 transitions. [2018-09-30 20:57:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 20:57:34,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:36,119 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-09-30 20:57:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 45 states and 865 transitions. [2018-09-30 20:57:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 865 transitions. [2018-09-30 20:57:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 20:57:39,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:39,448 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:39,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 46 states and 907 transitions. [2018-09-30 20:57:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 907 transitions. [2018-09-30 20:57:39,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 20:57:39,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 47 states and 950 transitions. [2018-09-30 20:57:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 950 transitions. [2018-09-30 20:57:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 20:57:40,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:40,951 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:41,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 48 states and 994 transitions. [2018-09-30 20:57:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 994 transitions. [2018-09-30 20:57:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 20:57:41,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 49 states and 1039 transitions. [2018-09-30 20:57:42,574 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1039 transitions. [2018-09-30 20:57:42,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 20:57:42,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:42,824 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 50 states and 1085 transitions. [2018-09-30 20:57:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1085 transitions. [2018-09-30 20:57:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 20:57:43,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:43,428 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:43,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 51 states and 1132 transitions. [2018-09-30 20:57:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1132 transitions. [2018-09-30 20:57:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 20:57:43,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:45,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 52 states and 1180 transitions. [2018-09-30 20:57:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1180 transitions. [2018-09-30 20:57:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 20:57:45,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 53 states and 1229 transitions. [2018-09-30 20:57:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1229 transitions. [2018-09-30 20:57:45,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 20:57:45,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:45,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 54 states and 1279 transitions. [2018-09-30 20:57:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1279 transitions. [2018-09-30 20:57:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 20:57:46,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:46,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:47,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 55 states and 1330 transitions. [2018-09-30 20:57:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1330 transitions. [2018-09-30 20:57:47,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 20:57:47,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:47,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 56 states and 1382 transitions. [2018-09-30 20:57:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1382 transitions. [2018-09-30 20:57:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 20:57:47,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 57 states and 1435 transitions. [2018-09-30 20:57:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1435 transitions. [2018-09-30 20:57:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 20:57:48,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 58 states and 1489 transitions. [2018-09-30 20:57:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1489 transitions. [2018-09-30 20:57:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 20:57:50,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 59 states and 1544 transitions. [2018-09-30 20:57:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1544 transitions. [2018-09-30 20:57:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 20:57:51,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 60 states and 1600 transitions. [2018-09-30 20:57:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1600 transitions. [2018-09-30 20:57:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 20:57:52,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:54,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 61 states and 1657 transitions. [2018-09-30 20:57:54,257 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1657 transitions. [2018-09-30 20:57:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 20:57:54,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:55,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 62 states and 1715 transitions. [2018-09-30 20:57:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1715 transitions. [2018-09-30 20:57:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 20:57:55,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 63 states and 1774 transitions. [2018-09-30 20:57:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1774 transitions. [2018-09-30 20:57:56,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 20:57:56,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:57,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 64 states and 1834 transitions. [2018-09-30 20:57:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1834 transitions. [2018-09-30 20:57:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 20:57:57,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 65 states and 1895 transitions. [2018-09-30 20:57:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1895 transitions. [2018-09-30 20:57:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 20:57:58,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 66 states and 1957 transitions. [2018-09-30 20:57:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 1957 transitions. [2018-09-30 20:57:58,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 20:57:58,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:59,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 67 states and 2020 transitions. [2018-09-30 20:57:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2020 transitions. [2018-09-30 20:57:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 20:57:59,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 68 states and 2084 transitions. [2018-09-30 20:58:00,919 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2084 transitions. [2018-09-30 20:58:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 20:58:00,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 69 states and 2149 transitions. [2018-09-30 20:58:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2149 transitions. [2018-09-30 20:58:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 20:58:01,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 70 states and 2215 transitions. [2018-09-30 20:58:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2215 transitions. [2018-09-30 20:58:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 20:58:02,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:02,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 71 states and 2282 transitions. [2018-09-30 20:58:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2282 transitions. [2018-09-30 20:58:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 20:58:03,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 72 states and 2350 transitions. [2018-09-30 20:58:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2350 transitions. [2018-09-30 20:58:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 20:58:04,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 73 states and 2419 transitions. [2018-09-30 20:58:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2419 transitions. [2018-09-30 20:58:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 20:58:05,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:05,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 74 states and 2489 transitions. [2018-09-30 20:58:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2489 transitions. [2018-09-30 20:58:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 20:58:06,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 75 states and 2560 transitions. [2018-09-30 20:58:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2560 transitions. [2018-09-30 20:58:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 20:58:07,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 76 states and 2632 transitions. [2018-09-30 20:58:08,499 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2632 transitions. [2018-09-30 20:58:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 20:58:08,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 77 states and 2705 transitions. [2018-09-30 20:58:09,414 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2705 transitions. [2018-09-30 20:58:09,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 20:58:09,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:10,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:10,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 78 states and 2779 transitions. [2018-09-30 20:58:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2779 transitions. [2018-09-30 20:58:10,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 20:58:10,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 79 states and 2854 transitions. [2018-09-30 20:58:11,697 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2854 transitions. [2018-09-30 20:58:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 20:58:11,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 80 states and 2930 transitions. [2018-09-30 20:58:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 2930 transitions. [2018-09-30 20:58:12,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 20:58:12,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 81 states and 3007 transitions. [2018-09-30 20:58:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3007 transitions. [2018-09-30 20:58:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 20:58:13,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:14,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 82 states and 3085 transitions. [2018-09-30 20:58:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3085 transitions. [2018-09-30 20:58:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 20:58:14,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 83 states and 3164 transitions. [2018-09-30 20:58:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3164 transitions. [2018-09-30 20:58:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 20:58:16,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 84 states and 3244 transitions. [2018-09-30 20:58:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3244 transitions. [2018-09-30 20:58:17,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 20:58:17,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:18,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 85 states and 3325 transitions. [2018-09-30 20:58:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3325 transitions. [2018-09-30 20:58:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 20:58:18,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 86 states and 3407 transitions. [2018-09-30 20:58:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3407 transitions. [2018-09-30 20:58:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 20:58:19,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:20,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 87 states and 3490 transitions. [2018-09-30 20:58:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3490 transitions. [2018-09-30 20:58:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 20:58:20,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:21,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 88 states and 3574 transitions. [2018-09-30 20:58:21,667 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3574 transitions. [2018-09-30 20:58:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 20:58:21,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 89 states and 3659 transitions. [2018-09-30 20:58:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3659 transitions. [2018-09-30 20:58:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 20:58:22,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 90 states and 3745 transitions. [2018-09-30 20:58:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3745 transitions. [2018-09-30 20:58:24,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 20:58:24,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:25,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 91 states and 3832 transitions. [2018-09-30 20:58:25,304 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3832 transitions. [2018-09-30 20:58:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 20:58:25,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 92 states and 3920 transitions. [2018-09-30 20:58:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 3920 transitions. [2018-09-30 20:58:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 20:58:26,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 93 states and 4009 transitions. [2018-09-30 20:58:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4009 transitions. [2018-09-30 20:58:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 20:58:28,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 94 states and 4099 transitions. [2018-09-30 20:58:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4099 transitions. [2018-09-30 20:58:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 20:58:29,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 95 states and 4190 transitions. [2018-09-30 20:58:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4190 transitions. [2018-09-30 20:58:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 20:58:30,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 96 states and 4282 transitions. [2018-09-30 20:58:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4282 transitions. [2018-09-30 20:58:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-30 20:58:31,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 97 states and 4375 transitions. [2018-09-30 20:58:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4375 transitions. [2018-09-30 20:58:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 20:58:33,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 98 states and 4469 transitions. [2018-09-30 20:58:34,690 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4469 transitions. [2018-09-30 20:58:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 20:58:34,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 99 states and 4564 transitions. [2018-09-30 20:58:36,229 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4564 transitions. [2018-09-30 20:58:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 20:58:36,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 100 states and 4660 transitions. [2018-09-30 20:58:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4660 transitions. [2018-09-30 20:58:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-30 20:58:37,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:37,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 101 states and 4757 transitions. [2018-09-30 20:58:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4757 transitions. [2018-09-30 20:58:38,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 20:58:38,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:40,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 102 states and 4855 transitions. [2018-09-30 20:58:40,306 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4855 transitions. [2018-09-30 20:58:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-30 20:58:40,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 103 states and 4954 transitions. [2018-09-30 20:58:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 4954 transitions. [2018-09-30 20:58:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 20:58:41,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:43,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:43,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 104 states and 5054 transitions. [2018-09-30 20:58:43,134 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5054 transitions. [2018-09-30 20:58:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-30 20:58:43,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:43,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 105 states and 5155 transitions. [2018-09-30 20:58:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5155 transitions. [2018-09-30 20:58:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 20:58:44,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 106 states and 5257 transitions. [2018-09-30 20:58:46,131 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5257 transitions. [2018-09-30 20:58:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-30 20:58:46,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:01:12,520 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 21:01:12,523 INFO L168 Benchmark]: Toolchain (without parser) took 242913.74 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 845.7 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 29.0 MB). Peak memory consumption was 874.7 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:12,524 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:01:12,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:01:12,524 INFO L168 Benchmark]: Boogie Preprocessor took 27.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:01:12,525 INFO L168 Benchmark]: RCFGBuilder took 564.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 21:01:12,530 INFO L168 Benchmark]: CodeCheck took 242268.36 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 845.7 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 7.9 MB). Peak memory consumption was 853.6 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:12,535 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 837 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 564.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 242268.36 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 845.7 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 7.9 MB). Peak memory consumption was 853.6 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/GateController.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-01-12-545.csv Completed graceful shutdown