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 0.1.23-1cc990c [2018-09-30 20:57:09,256 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:57:09,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:57:09,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:57:09,275 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:57:09,276 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:57:09,278 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:57:09,280 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:57:09,283 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:57:09,284 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:57:09,294 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:57:09,294 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:57:09,298 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:57:09,299 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:57:09,300 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:57:09,301 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:57:09,302 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:57:09,306 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:57:09,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:57:09,310 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:57:09,313 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:57:09,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:57:09,321 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 20:57:09,321 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 20:57:09,322 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 20:57:09,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 20:57:09,323 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 20:57:09,326 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 20:57:09,327 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 20:57:09,328 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 20:57:09,328 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 20:57:09,330 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 20:57:09,330 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 20:57:09,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 20:57:09,332 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 20:57:09,333 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 20:57:09,333 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 20:57:09,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:57:09,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:57:09,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:57:09,367 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:57:09,368 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:57:09,368 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:57:09,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:57:09,369 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:57:09,369 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:57:09,369 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:57:09,369 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:57:09,369 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:57:09,370 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:57:09,370 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:57:09,371 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:57:09,371 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:57:09,372 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:57:09,372 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 20:57:09,373 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 20:57:09,373 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:57:09,373 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:57:09,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 20:57:09,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:57:09,374 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:57:09,374 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:57:09,374 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 20:57:09,374 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:57:09,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:57:09,375 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:57:09,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:57:09,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:57:09,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:57:09,455 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:57:09,455 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:57:09,456 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-09-30 20:57:09,456 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-09-30 20:57:09,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:57:09,528 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:57:09,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:09,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:57:09,529 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:57:09,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,573 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 20:57:09,573 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 20:57:09,574 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 20:57:09,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:09,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:57:09,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:57:09,577 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:57:09,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:57:09,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:57:09,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:57:09,622 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:57:09,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.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 20:57:09,705 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-30 20:57:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-30 20:57:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-30 20:57:11,547 INFO L345 CfgBuilder]: Using library mode [2018-09-30 20:57:11,548 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:11 BoogieIcfgContainer [2018-09-30 20:57:11,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:57:11,550 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 20:57:11,550 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 20:57:11,561 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 20:57:11,562 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:11" (1/1) ... [2018-09-30 20:57:11,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:57:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:11,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 20:57:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 20:57:11,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 20:57:11,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:11,846 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 20:57:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:12,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-30 20:57:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-30 20:57:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:57:12,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:12,391 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 20:57:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-30 20:57:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-30 20:57:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:12,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:13,401 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 13 [2018-09-30 20:57:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:14,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-09-30 20:57:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-09-30 20:57:14,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:14,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 18 states and 45 transitions. [2018-09-30 20:57:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 45 transitions. [2018-09-30 20:57:16,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 20:57:16,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:16,822 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2018-09-30 20:57:17,095 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2018-09-30 20:57:17,841 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2018-09-30 20:57:18,251 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2018-09-30 20:57:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:19,672 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2018-09-30 20:57:19,941 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-09-30 20:57:20,254 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-09-30 20:57:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 26 states and 81 transitions. [2018-09-30 20:57:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 81 transitions. [2018-09-30 20:57:20,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 20:57:20,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:21,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 27 states and 84 transitions. [2018-09-30 20:57:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 84 transitions. [2018-09-30 20:57:21,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 20:57:21,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 30 states and 96 transitions. [2018-09-30 20:57:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 96 transitions. [2018-09-30 20:57:23,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 20:57:23,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:25,029 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2018-09-30 20:57:25,891 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2018-09-30 20:57:26,297 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2018-09-30 20:57:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:27,035 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-09-30 20:57:27,257 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2018-09-30 20:57:27,884 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-09-30 20:57:28,255 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2018-09-30 20:57:28,520 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-09-30 20:57:29,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:29,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 38 states and 138 transitions. [2018-09-30 20:57:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 138 transitions. [2018-09-30 20:57:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 20:57:29,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:30,748 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2018-09-30 20:57:30,959 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-09-30 20:57:31,238 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-09-30 20:57:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 39 states and 147 transitions. [2018-09-30 20:57:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 147 transitions. [2018-09-30 20:57:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 20:57:31,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:34,068 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2018-09-30 20:57:34,763 WARN L178 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-09-30 20:57:34,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:34,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 40 states and 157 transitions. [2018-09-30 20:57:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 157 transitions. [2018-09-30 20:57:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 20:57:34,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:37,693 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-30 20:57:37,923 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-09-30 20:57:38,129 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2018-09-30 20:57:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 42 states and 168 transitions. [2018-09-30 20:57:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 168 transitions. [2018-09-30 20:57:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 20:57:38,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:39,252 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-09-30 20:57:39,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 43 states and 174 transitions. [2018-09-30 20:57:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 174 transitions. [2018-09-30 20:57:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 20:57:39,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:41,043 WARN L178 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 38 [2018-09-30 20:57:42,392 WARN L178 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 44 [2018-09-30 20:57:43,767 WARN L178 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 95 [2018-09-30 20:57:45,145 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 174 DAG size of output: 73 [2018-09-30 20:57:46,370 WARN L178 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 73 [2018-09-30 20:57:46,830 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 20:57:47,295 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-09-30 20:57:47,621 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-09-30 20:57:47,898 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2018-09-30 20:57:48,529 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-09-30 20:57:48,818 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2018-09-30 20:57:49,440 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2018-09-30 20:57:49,754 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-30 20:57:50,029 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2018-09-30 20:57:50,829 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-09-30 20:57:51,105 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-30 20:57:51,307 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2018-09-30 20:57:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:51,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 48 states and 195 transitions. [2018-09-30 20:57:51,988 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 195 transitions. [2018-09-30 20:57:51,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 20:57:51,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:53,473 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 20:57:53,730 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 54 [2018-09-30 20:57:54,058 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2018-09-30 20:57:54,481 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-09-30 20:57:54,928 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2018-09-30 20:57:55,307 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 65 [2018-09-30 20:57:55,575 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-09-30 20:57:55,850 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-09-30 20:57:56,136 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-09-30 20:57:56,360 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2018-09-30 20:57:56,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 51 states and 217 transitions. [2018-09-30 20:57:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 217 transitions. [2018-09-30 20:57:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 20:57:56,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:58,202 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 20:57:58,629 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2018-09-30 20:57:58,833 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2018-09-30 20:57:59,366 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 42 [2018-09-30 20:57:59,689 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2018-09-30 20:57:59,877 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2018-09-30 20:58:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 56 states and 234 transitions. [2018-09-30 20:58:00,581 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 234 transitions. [2018-09-30 20:58:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 20:58:00,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:01,219 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 20:58:02,147 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2018-09-30 20:58:02,413 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2018-09-30 20:58:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:02,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 58 states and 245 transitions. [2018-09-30 20:58:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 245 transitions. [2018-09-30 20:58:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:58:02,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:04,500 WARN L178 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2018-09-30 20:58:05,923 WARN L178 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 45 [2018-09-30 20:58:07,286 WARN L178 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 60 [2018-09-30 20:58:08,321 WARN L178 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 59 [2018-09-30 20:58:09,780 WARN L178 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 69 [2018-09-30 20:58:11,235 WARN L178 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 72 [2018-09-30 20:58:12,096 WARN L178 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2018-09-30 20:58:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:13,199 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-09-30 20:58:14,622 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2018-09-30 20:58:15,303 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2018-09-30 20:58:16,161 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2018-09-30 20:58:16,938 WARN L178 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2018-09-30 20:58:17,712 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2018-09-30 20:58:18,168 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2018-09-30 20:58:18,907 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2018-09-30 20:58:19,185 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2018-09-30 20:58:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 66 states and 295 transitions. [2018-09-30 20:58:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 295 transitions. [2018-09-30 20:58:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:58:21,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:23,096 WARN L178 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2018-09-30 20:58:23,478 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2018-09-30 20:58:23,811 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-09-30 20:58:24,464 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2018-09-30 20:58:24,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:24,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 68 states and 307 transitions. [2018-09-30 20:58:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 307 transitions. [2018-09-30 20:58:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:58:24,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:26,217 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2018-09-30 20:58:26,558 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2018-09-30 20:58:27,144 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-30 20:58:27,387 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-09-30 20:58:27,587 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2018-09-30 20:58:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 70 states and 310 transitions. [2018-09-30 20:58:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 310 transitions. [2018-09-30 20:58:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:58:28,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:29,551 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2018-09-30 20:58:29,800 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2018-09-30 20:58:30,644 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2018-09-30 20:58:30,824 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 36 [2018-09-30 20:58:31,514 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2018-09-30 20:58:31,940 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2018-09-30 20:58:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 74 states and 322 transitions. [2018-09-30 20:58:33,070 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 322 transitions. [2018-09-30 20:58:33,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:58:33,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:34,516 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2018-09-30 20:58:34,804 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2018-09-30 20:58:35,214 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2018-09-30 20:58:35,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:35,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 75 states and 332 transitions. [2018-09-30 20:58:35,663 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 332 transitions. [2018-09-30 20:58:35,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:58:35,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:36,885 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2018-09-30 20:58:37,091 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2018-09-30 20:58:37,856 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2018-09-30 20:58:38,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 78 states and 351 transitions. [2018-09-30 20:58:38,376 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 351 transitions. [2018-09-30 20:58:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:58:38,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:39,433 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2018-09-30 20:58:39,701 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2018-09-30 20:58:40,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 79 states and 352 transitions. [2018-09-30 20:58:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 352 transitions. [2018-09-30 20:58:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 20:58:40,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:44,089 WARN L178 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 436 DAG size of output: 42 [2018-09-30 20:58:46,738 WARN L178 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 436 DAG size of output: 39 [2018-09-30 20:58:50,439 WARN L178 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 498 DAG size of output: 54 [2018-09-30 20:58:59,200 WARN L178 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 781 DAG size of output: 83 [2018-09-30 20:59:07,899 WARN L178 SmtUtils]: Spent 6.85 s on a formula simplification. DAG size of input: 675 DAG size of output: 135 [2018-09-30 20:59:16,561 WARN L178 SmtUtils]: Spent 6.79 s on a formula simplification. DAG size of input: 674 DAG size of output: 123 [2018-09-30 20:59:23,958 WARN L178 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 632 DAG size of output: 126 [2018-09-30 20:59:31,580 WARN L178 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 624 DAG size of output: 138 [2018-09-30 20:59:35,978 WARN L178 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 361 DAG size of output: 96 [2018-09-30 20:59:41,151 WARN L178 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 363 DAG size of output: 89 [2018-09-30 20:59:41,930 WARN L178 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2018-09-30 20:59:42,548 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2018-09-30 20:59:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:43,971 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2018-09-30 20:59:45,082 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2018-09-30 20:59:46,151 WARN L178 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2018-09-30 20:59:46,862 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-09-30 20:59:47,529 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-30 20:59:47,961 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 42 [2018-09-30 20:59:49,346 WARN L178 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2018-09-30 20:59:49,538 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2018-09-30 20:59:50,447 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-09-30 20:59:51,377 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2018-09-30 20:59:51,875 WARN L178 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2018-09-30 20:59:52,239 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-09-30 20:59:52,815 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-09-30 20:59:53,537 WARN L178 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 74 [2018-09-30 20:59:54,960 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2018-09-30 20:59:55,645 WARN L178 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 79 [2018-09-30 20:59:56,107 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2018-09-30 20:59:56,644 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2018-09-30 20:59:56,976 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2018-09-30 20:59:57,557 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-09-30 20:59:57,780 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 18 [2018-09-30 20:59:58,795 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-09-30 21:00:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 86 states and 394 transitions. [2018-09-30 21:00:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 394 transitions. [2018-09-30 21:00:00,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:00:00,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:03,909 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:04,448 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2018-09-30 21:00:04,993 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2018-09-30 21:00:05,897 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-30 21:00:06,331 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2018-09-30 21:00:06,768 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2018-09-30 21:00:07,410 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-30 21:00:08,261 WARN L178 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 87 [2018-09-30 21:00:09,006 WARN L178 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 93 [2018-09-30 21:00:09,611 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2018-09-30 21:00:10,131 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-30 21:00:10,722 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2018-09-30 21:00:11,249 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2018-09-30 21:00:11,663 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-30 21:00:12,086 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-30 21:00:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 90 states and 419 transitions. [2018-09-30 21:00:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 419 transitions. [2018-09-30 21:00:12,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:00:12,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:16,419 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2018-09-30 21:00:16,748 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2018-09-30 21:00:17,779 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 42 [2018-09-30 21:00:18,215 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2018-09-30 21:00:19,293 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 54 [2018-09-30 21:00:19,690 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2018-09-30 21:00:20,741 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2018-09-30 21:00:21,015 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-09-30 21:00:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:21,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 94 states and 440 transitions. [2018-09-30 21:00:21,623 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 440 transitions. [2018-09-30 21:00:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:00:21,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:25,388 WARN L178 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 86 [2018-09-30 21:00:26,154 WARN L178 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2018-09-30 21:00:26,665 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-09-30 21:00:27,215 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-30 21:00:28,211 WARN L178 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2018-09-30 21:00:28,800 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 83 [2018-09-30 21:00:29,393 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-09-30 21:00:29,931 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-09-30 21:00:30,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:30,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 96 states and 457 transitions. [2018-09-30 21:00:30,116 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 457 transitions. [2018-09-30 21:00:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:00:30,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:33,640 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:33,934 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2018-09-30 21:00:34,213 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 51 [2018-09-30 21:00:35,194 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2018-09-30 21:00:35,585 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 64 [2018-09-30 21:00:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 97 states and 466 transitions. [2018-09-30 21:00:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 466 transitions. [2018-09-30 21:00:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:00:37,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:40,024 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:40,515 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2018-09-30 21:00:41,262 WARN L178 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2018-09-30 21:00:41,723 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-09-30 21:00:42,228 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-09-30 21:00:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:42,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 98 states and 472 transitions. [2018-09-30 21:00:42,366 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 472 transitions. [2018-09-30 21:00:42,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:00:42,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:45,125 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2018-09-30 21:00:45,315 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2018-09-30 21:00:46,183 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-09-30 21:00:46,994 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 48 [2018-09-30 21:00:47,353 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 54 [2018-09-30 21:00:48,477 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-09-30 21:00:49,112 WARN L178 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 74 [2018-09-30 21:00:49,945 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-30 21:00:50,402 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 52 [2018-09-30 21:00:50,798 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 46 [2018-09-30 21:00:51,914 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 24 [2018-09-30 21:00:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 104 states and 508 transitions. [2018-09-30 21:00:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 508 transitions. [2018-09-30 21:00:52,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:00:52,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:55,150 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2018-09-30 21:00:55,369 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2018-09-30 21:00:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 105 states and 509 transitions. [2018-09-30 21:00:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 509 transitions. [2018-09-30 21:00:55,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:00:55,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:59,446 WARN L178 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2018-09-30 21:01:00,302 WARN L178 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2018-09-30 21:01:00,962 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2018-09-30 21:01:01,590 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-09-30 21:01:02,302 WARN L178 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 48 [2018-09-30 21:01:02,729 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2018-09-30 21:01:03,501 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-30 21:01:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 107 states and 530 transitions. [2018-09-30 21:01:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 530 transitions. [2018-09-30 21:01:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:01:03,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:09,125 WARN L178 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 316 DAG size of output: 35 Received shutdown request... [2018-09-30 21:01:09,672 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-30 21:01:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:09,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:09,841 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-30 21:01:09,841 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 21:01:09,844 INFO L168 Benchmark]: Toolchain (without parser) took 240320.37 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -439.2 MB). Peak memory consumption was 829.6 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:09,844 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-09-30 21:01:09,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.73 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 21:01:09,845 INFO L168 Benchmark]: Boogie Preprocessor took 43.76 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 21:01:09,845 INFO L168 Benchmark]: RCFGBuilder took 1926.97 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. [2018-09-30 21:01:09,846 INFO L168 Benchmark]: CodeCheck took 238293.29 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -502.6 MB). Peak memory consumption was 766.2 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:09,848 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 451 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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. * Boogie Procedure Inliner took 47.73 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 43.76 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 1926.97 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 238293.29 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -502.6 MB). Peak memory consumption was 766.2 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/ElevatorWithAssignments.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-01-09-857.csv Completed graceful shutdown