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/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 09:25:36,284 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 09:25:36,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 09:25:36,300 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 09:25:36,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 09:25:36,303 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 09:25:36,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 09:25:36,306 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 09:25:36,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 09:25:36,312 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 09:25:36,313 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 09:25:36,313 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 09:25:36,314 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 09:25:36,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 09:25:36,316 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 09:25:36,319 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 09:25:36,320 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 09:25:36,322 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 09:25:36,329 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 09:25:36,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 09:25:36,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 09:25:36,336 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 09:25:36,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 09:25:36,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 09:25:36,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 09:25:36,344 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 09:25:36,345 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 09:25:36,346 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 09:25:36,347 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 09:25:36,352 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 09:25:36,353 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 09:25:36,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 09:25:36,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 09:25:36,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 09:25:36,356 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 09:25:36,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 09:25:36,359 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 [2018-10-03 09:25:36,393 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 09:25:36,393 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 09:25:36,394 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 09:25:36,395 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 09:25:36,396 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 09:25:36,396 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 09:25:36,397 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 09:25:36,397 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 09:25:36,397 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 09:25:36,397 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 09:25:36,397 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 09:25:36,398 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 09:25:36,398 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 09:25:36,398 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 09:25:36,398 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 09:25:36,399 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 09:25:36,399 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 09:25:36,399 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 09:25:36,399 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 09:25:36,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 09:25:36,400 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 09:25:36,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 09:25:36,400 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 09:25:36,400 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 09:25:36,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 09:25:36,401 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 09:25:36,401 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 09:25:36,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 09:25:36,403 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 09:25:36,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 09:25:36,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 09:25:36,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 09:25:36,503 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 09:25:36,504 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 09:25:36,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-10-03 09:25:36,505 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-10-03 09:25:36,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 09:25:36,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 09:25:36,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 09:25:36,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 09:25:36,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 09:25:36,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (1/1) ... [2018-10-03 09:25:36,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (1/1) ... [2018-10-03 09:25:36,609 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-03 09:25:36,609 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-03 09:25:36,609 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-03 09:25:36,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 09:25:36,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 09:25:36,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 09:25:36,613 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 09:25:36,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (1/1) ... [2018-10-03 09:25:36,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (1/1) ... [2018-10-03 09:25:36,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (1/1) ... [2018-10-03 09:25:36,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (1/1) ... [2018-10-03 09:25:36,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (1/1) ... [2018-10-03 09:25:36,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (1/1) ... [2018-10-03 09:25:36,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (1/1) ... [2018-10-03 09:25:36,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 09:25:36,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 09:25:36,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 09:25:36,645 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 09:25:36,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:25:36" (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 [2018-10-03 09:25:36,732 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-03 09:25:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-03 09:25:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-03 09:25:38,430 INFO L337 CfgBuilder]: Using library mode [2018-10-03 09:25:38,431 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:25:38 BoogieIcfgContainer [2018-10-03 09:25:38,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 09:25:38,432 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 09:25:38,432 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 09:25:38,445 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 09:25:38,445 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:25:38" (1/1) ... [2018-10-03 09:25:38,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 09:25:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:25:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-03 09:25:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-03 09:25:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-03 09:25:38,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:25:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:25:38,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:25:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:25:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-03 09:25:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-03 09:25:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 09:25:38,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:25:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:25:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:25:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:25:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-03 09:25:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-03 09:25:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 09:25:39,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:25:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:25:40,288 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 13 [2018-10-03 09:25:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:25:40,629 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-03 09:25:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:25:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-10-03 09:25:41,246 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-10-03 09:25:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 09:25:41,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:25:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:25:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:25:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:25:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 18 states and 45 transitions. [2018-10-03 09:25:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 45 transitions. [2018-10-03 09:25:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 09:25:42,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:25:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:25:43,581 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2018-10-03 09:25:43,849 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2018-10-03 09:25:44,715 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2018-10-03 09:25:45,090 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2018-10-03 09:25:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:25:46,352 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2018-10-03 09:25:46,617 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-10-03 09:25:46,973 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-10-03 09:25:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:25:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 26 states and 81 transitions. [2018-10-03 09:25:47,703 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 81 transitions. [2018-10-03 09:25:47,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 09:25:47,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:25:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:25:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:25:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:25:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 27 states and 84 transitions. [2018-10-03 09:25:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 84 transitions. [2018-10-03 09:25:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 09:25:48,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:25:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:25:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:25:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:25:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 30 states and 96 transitions. [2018-10-03 09:25:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 96 transitions. [2018-10-03 09:25:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:25:50,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:25:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:25:51,390 WARN L178 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2018-10-03 09:25:52,354 WARN L178 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2018-10-03 09:25:53,229 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2018-10-03 09:25:53,633 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2018-10-03 09:25:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:25:54,340 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-10-03 09:25:54,577 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2018-10-03 09:25:55,775 WARN L178 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-10-03 09:25:56,256 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-10-03 09:25:56,452 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2018-10-03 09:25:57,128 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-03 09:25:57,441 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2018-10-03 09:25:58,169 WARN L178 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-10-03 09:25:58,394 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-10-03 09:25:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:25:59,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 38 states and 143 transitions. [2018-10-03 09:25:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 143 transitions. [2018-10-03 09:25:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:25:59,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:25:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:00,695 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2018-10-03 09:26:00,939 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-10-03 09:26:01,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 40 states and 152 transitions. [2018-10-03 09:26:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 152 transitions. [2018-10-03 09:26:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:26:01,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:02,753 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2018-10-03 09:26:02,934 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-10-03 09:26:03,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 41 states and 161 transitions. [2018-10-03 09:26:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 161 transitions. [2018-10-03 09:26:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:26:03,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:04,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 42 states and 168 transitions. [2018-10-03 09:26:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 168 transitions. [2018-10-03 09:26:04,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:26:04,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:05,622 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-10-03 09:26:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:05,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 43 states and 174 transitions. [2018-10-03 09:26:05,937 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 174 transitions. [2018-10-03 09:26:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 09:26:05,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:07,299 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 38 [2018-10-03 09:26:08,708 WARN L178 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 44 [2018-10-03 09:26:10,193 WARN L178 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 229 DAG size of output: 95 [2018-10-03 09:26:11,480 WARN L178 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 73 [2018-10-03 09:26:12,775 WARN L178 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 73 [2018-10-03 09:26:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:13,740 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-10-03 09:26:14,086 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-03 09:26:14,365 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2018-10-03 09:26:14,969 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 41 [2018-10-03 09:26:15,242 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2018-10-03 09:26:15,845 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2018-10-03 09:26:16,163 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-03 09:26:16,368 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2018-10-03 09:26:17,304 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-03 09:26:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:17,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 48 states and 205 transitions. [2018-10-03 09:26:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 205 transitions. [2018-10-03 09:26:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 09:26:17,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:19,245 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:19,508 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 54 [2018-10-03 09:26:19,840 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2018-10-03 09:26:20,285 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-10-03 09:26:20,575 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2018-10-03 09:26:20,769 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2018-10-03 09:26:21,305 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-10-03 09:26:21,507 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2018-10-03 09:26:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 51 states and 219 transitions. [2018-10-03 09:26:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 219 transitions. [2018-10-03 09:26:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 09:26:21,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 52 states and 221 transitions. [2018-10-03 09:26:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 221 transitions. [2018-10-03 09:26:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 09:26:22,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:24,088 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2018-10-03 09:26:24,331 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2018-10-03 09:26:24,861 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-10-03 09:26:25,160 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2018-10-03 09:26:25,604 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-10-03 09:26:25,977 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2018-10-03 09:26:26,299 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2018-10-03 09:26:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 55 states and 240 transitions. [2018-10-03 09:26:26,889 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 240 transitions. [2018-10-03 09:26:26,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 09:26:26,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:28,100 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 42 [2018-10-03 09:26:28,428 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2018-10-03 09:26:28,587 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2018-10-03 09:26:29,154 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-10-03 09:26:29,343 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2018-10-03 09:26:30,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 59 states and 255 transitions. [2018-10-03 09:26:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 255 transitions. [2018-10-03 09:26:30,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 09:26:30,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:31,882 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2018-10-03 09:26:32,151 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2018-10-03 09:26:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 61 states and 266 transitions. [2018-10-03 09:26:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 266 transitions. [2018-10-03 09:26:32,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 09:26:32,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:34,480 WARN L178 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2018-10-03 09:26:35,953 WARN L178 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 45 [2018-10-03 09:26:37,025 WARN L178 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 60 [2018-10-03 09:26:38,098 WARN L178 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 59 [2018-10-03 09:26:39,653 WARN L178 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 69 [2018-10-03 09:26:41,201 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 193 DAG size of output: 72 [2018-10-03 09:26:42,080 WARN L178 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2018-10-03 09:26:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:43,113 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-10-03 09:26:44,577 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2018-10-03 09:26:45,154 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2018-10-03 09:26:46,292 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2018-10-03 09:26:46,622 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-03 09:26:47,013 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2018-10-03 09:26:47,350 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-03 09:26:47,949 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2018-10-03 09:26:48,507 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2018-10-03 09:26:49,316 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2018-10-03 09:26:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:50,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 69 states and 313 transitions. [2018-10-03 09:26:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 313 transitions. [2018-10-03 09:26:50,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 09:26:50,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:52,311 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2018-10-03 09:26:52,549 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2018-10-03 09:26:53,266 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2018-10-03 09:26:53,704 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2018-10-03 09:26:54,591 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2018-10-03 09:26:54,916 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2018-10-03 09:26:55,484 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-03 09:26:56,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:26:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 73 states and 331 transitions. [2018-10-03 09:26:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 331 transitions. [2018-10-03 09:26:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 09:26:56,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:26:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:26:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:26:57,575 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2018-10-03 09:26:57,866 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2018-10-03 09:26:58,273 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2018-10-03 09:26:58,984 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-10-03 09:26:59,278 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2018-10-03 09:26:59,611 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-10-03 09:26:59,934 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-10-03 09:27:00,206 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-10-03 09:27:00,404 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2018-10-03 09:27:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:27:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 76 states and 350 transitions. [2018-10-03 09:27:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 350 transitions. [2018-10-03 09:27:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 09:27:00,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:27:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:27:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:27:02,111 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2018-10-03 09:27:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:27:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 77 states and 356 transitions. [2018-10-03 09:27:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 356 transitions. [2018-10-03 09:27:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 09:27:02,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:27:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:27:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:27:03,910 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 67 [2018-10-03 09:27:04,137 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2018-10-03 09:27:05,017 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2018-10-03 09:27:05,286 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2018-10-03 09:27:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:27:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 79 states and 367 transitions. [2018-10-03 09:27:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 367 transitions. [2018-10-03 09:27:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:27:05,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:27:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:27:09,663 WARN L178 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 436 DAG size of output: 42 [2018-10-03 09:27:12,274 WARN L178 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 436 DAG size of output: 39 [2018-10-03 09:27:15,968 WARN L178 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 498 DAG size of output: 54 [2018-10-03 09:27:24,872 WARN L178 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 781 DAG size of output: 83 [2018-10-03 09:27:33,675 WARN L178 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 675 DAG size of output: 135 [2018-10-03 09:27:42,597 WARN L178 SmtUtils]: Spent 6.97 s on a formula simplification. DAG size of input: 674 DAG size of output: 123 [2018-10-03 09:27:50,006 WARN L178 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 632 DAG size of output: 126 [2018-10-03 09:27:57,802 WARN L178 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 624 DAG size of output: 138 [2018-10-03 09:28:02,178 WARN L178 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 361 DAG size of output: 96 [2018-10-03 09:28:07,340 WARN L178 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 363 DAG size of output: 89 [2018-10-03 09:28:08,147 WARN L178 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2018-10-03 09:28:08,720 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2018-10-03 09:28:08,829 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:28:09,632 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2018-10-03 09:28:10,186 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2018-10-03 09:28:10,377 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2018-10-03 09:28:11,111 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-10-03 09:28:12,143 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 48 [2018-10-03 09:28:13,292 WARN L178 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2018-10-03 09:28:13,637 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 54 [2018-10-03 09:28:14,625 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-10-03 09:28:16,018 WARN L178 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2018-10-03 09:28:16,525 WARN L178 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 72 [2018-10-03 09:28:17,097 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-10-03 09:28:17,705 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 62 [2018-10-03 09:28:18,686 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2018-10-03 09:28:19,324 WARN L178 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 73 [2018-10-03 09:28:19,669 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-10-03 09:28:20,068 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-10-03 09:28:20,510 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2018-10-03 09:28:21,872 WARN L178 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2018-10-03 09:28:22,269 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 64 [2018-10-03 09:28:23,954 WARN L178 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2018-10-03 09:28:24,523 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-03 09:28:25,115 WARN L178 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2018-10-03 09:28:26,218 WARN L178 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-10-03 09:28:26,785 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-03 09:28:27,372 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2018-10-03 09:28:27,934 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-03 09:28:28,589 WARN L178 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2018-10-03 09:28:28,991 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-03 09:28:29,408 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-10-03 09:28:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:28:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 88 states and 430 transitions. [2018-10-03 09:28:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 430 transitions. [2018-10-03 09:28:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:28:31,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:28:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:28:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:28:36,187 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2018-10-03 09:28:36,635 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-10-03 09:28:37,327 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-03 09:28:37,750 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 42 [2018-10-03 09:28:37,947 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2018-10-03 09:28:38,962 WARN L178 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-10-03 09:28:39,492 WARN L178 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2018-10-03 09:28:40,403 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-03 09:28:41,244 WARN L178 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 86 [2018-10-03 09:28:42,010 WARN L178 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2018-10-03 09:28:42,495 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-03 09:28:43,104 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-03 09:28:43,483 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2018-10-03 09:28:43,855 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-10-03 09:28:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:28:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 95 states and 475 transitions. [2018-10-03 09:28:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 475 transitions. [2018-10-03 09:28:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:28:45,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:28:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:28:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:28:48,871 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2018-10-03 09:28:49,436 WARN L178 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2018-10-03 09:28:50,418 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-03 09:28:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:28:50,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 96 states and 482 transitions. [2018-10-03 09:28:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 482 transitions. [2018-10-03 09:28:50,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:28:50,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:28:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:28:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:28:54,585 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2018-10-03 09:28:54,918 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2018-10-03 09:28:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:28:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 97 states and 486 transitions. [2018-10-03 09:28:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 486 transitions. [2018-10-03 09:28:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:28:55,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:28:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:28:59,275 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:28:59,539 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2018-10-03 09:28:59,834 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 51 [2018-10-03 09:29:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:29:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 98 states and 490 transitions. [2018-10-03 09:29:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 490 transitions. [2018-10-03 09:29:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:29:00,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:29:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:29:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:29:03,854 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2018-10-03 09:29:04,465 WARN L178 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2018-10-03 09:29:05,170 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-03 09:29:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:29:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 99 states and 493 transitions. [2018-10-03 09:29:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 493 transitions. [2018-10-03 09:29:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:29:05,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:29:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:29:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:29:08,015 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2018-10-03 09:29:08,233 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2018-10-03 09:29:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:29:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 100 states and 494 transitions. [2018-10-03 09:29:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 494 transitions. [2018-10-03 09:29:08,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:29:08,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:29:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:29:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:29:12,122 WARN L178 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2018-10-03 09:29:13,029 WARN L178 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2018-10-03 09:29:13,665 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2018-10-03 09:29:14,295 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-03 09:29:15,157 WARN L178 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2018-10-03 09:29:15,810 WARN L178 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 86 [2018-10-03 09:29:16,343 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-03 09:29:16,878 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-03 09:29:16,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:29:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 102 states and 512 transitions. [2018-10-03 09:29:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 512 transitions. [2018-10-03 09:29:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:29:16,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:29:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:29:19,301 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:29:19,794 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 24 [2018-10-03 09:29:20,238 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2018-10-03 09:29:20,896 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-03 09:29:21,300 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 45 [2018-10-03 09:29:21,627 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 54 [2018-10-03 09:29:22,701 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 24 [2018-10-03 09:29:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:29:23,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 105 states and 529 transitions. [2018-10-03 09:29:23,165 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 529 transitions. [2018-10-03 09:29:23,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:29:23,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:29:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:29:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:29:25,895 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 54 [2018-10-03 09:29:26,307 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2018-10-03 09:29:27,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:29:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 106 states and 534 transitions. [2018-10-03 09:29:27,212 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 534 transitions. [2018-10-03 09:29:27,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:29:27,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:29:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:29:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:29:30,150 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2018-10-03 09:29:30,781 WARN L178 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2018-10-03 09:29:31,278 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-03 09:29:31,801 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-03 09:29:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:29:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 107 states and 540 transitions. [2018-10-03 09:29:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 540 transitions. [2018-10-03 09:29:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 09:29:31,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:29:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:29:37,427 WARN L178 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 316 DAG size of output: 35 Received shutdown request... [2018-10-03 09:29:37,790 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-03 09:29:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:29:37,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 09:29:37,950 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-03 09:29:37,950 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-03 09:29:37,953 INFO L168 Benchmark]: Toolchain (without parser) took 241389.36 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -39.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-03 09:29:37,953 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-10-03 09:29:37,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.66 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. [2018-10-03 09:29:37,954 INFO L168 Benchmark]: Boogie Preprocessor took 31.20 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. [2018-10-03 09:29:37,954 INFO L168 Benchmark]: RCFGBuilder took 1786.71 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-03 09:29:37,955 INFO L168 Benchmark]: CodeCheck took 239520.20 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -102.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-03 09:29:37,957 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 TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 439 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.66 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 31.20 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 1786.71 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * CodeCheck took 239520.20 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -102.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ElevatorWithAssignments.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-03_09-29-37-967.csv Completed graceful shutdown