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-d19836b [2018-09-26 22:03:46,074 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:03:46,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:03:46,095 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:03:46,095 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:03:46,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:03:46,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:03:46,100 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:03:46,102 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:03:46,103 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:03:46,104 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:03:46,105 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:03:46,107 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:03:46,110 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:03:46,112 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:03:46,113 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:03:46,114 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:03:46,119 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:03:46,125 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:03:46,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:03:46,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:03:46,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:03:46,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:03:46,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:03:46,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:03:46,142 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:03:46,143 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:03:46,143 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:03:46,144 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:03:46,145 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:03:46,145 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:03:46,146 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:03:46,146 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:03:46,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:03:46,147 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:03:46,151 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:03:46,151 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 [2018-09-26 22:03:46,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:03:46,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:03:46,174 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:03:46,174 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:03:46,180 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:03:46,180 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:03:46,180 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:03:46,180 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:03:46,181 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:03:46,181 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:03:46,181 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:03:46,181 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:03:46,181 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:03:46,182 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:03:46,182 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:03:46,182 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:03:46,182 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:03:46,182 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:03:46,183 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:03:46,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:03:46,183 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:03:46,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:03:46,183 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:03:46,184 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:03:46,184 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:03:46,184 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:03:46,184 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:03:46,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:03:46,186 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:03:46,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:03:46,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:03:46,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:03:46,274 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:03:46,275 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:03:46,276 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-09-26 22:03:46,276 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-09-26 22:03:46,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:03:46,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:03:46,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:03:46,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:03:46,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:03:46,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,410 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:03:46,411 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:03:46,411 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:03:46,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:03:46,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:03:46,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:03:46,414 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:03:46,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:03:46,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:03:46,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:03:46,445 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:03:46,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (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 [2018-09-26 22:03:46,518 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-26 22:03:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-26 22:03:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-26 22:03:48,180 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:03:48,181 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:03:48 BoogieIcfgContainer [2018-09-26 22:03:48,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:03:48,182 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:03:48,182 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:03:48,192 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:03:48,193 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:03:48" (1/1) ... [2018-09-26 22:03:48,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:03:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:48,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:03:48,245 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:03:48,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 22:03:48,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-26 22:03:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-26 22:03:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:03:48,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:49,202 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 15 [2018-09-26 22:03:49,578 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-26 22:03:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:49,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-26 22:03:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-26 22:03:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:03:49,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:51,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-09-26 22:03:51,010 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-09-26 22:03:51,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:03:51,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 18 states and 45 transitions. [2018-09-26 22:03:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 45 transitions. [2018-09-26 22:03:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:03:52,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:53,456 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2018-09-26 22:03:53,730 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2018-09-26 22:03:54,395 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2018-09-26 22:03:54,958 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2018-09-26 22:03:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:55,952 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2018-09-26 22:03:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:57,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 26 states and 84 transitions. [2018-09-26 22:03:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 84 transitions. [2018-09-26 22:03:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:03:57,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:58,272 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2018-09-26 22:03:58,491 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-09-26 22:03:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 28 states and 94 transitions. [2018-09-26 22:03:59,062 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 94 transitions. [2018-09-26 22:03:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:03:59,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 29 states and 97 transitions. [2018-09-26 22:03:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 97 transitions. [2018-09-26 22:03:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:03:59,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:00,890 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2018-09-26 22:04:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 31 states and 105 transitions. [2018-09-26 22:04:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 105 transitions. [2018-09-26 22:04:01,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:04:01,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:02,704 WARN L178 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2018-09-26 22:04:03,412 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2018-09-26 22:04:03,970 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2018-09-26 22:04:04,399 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2018-09-26 22:04:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:04,968 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 24 [2018-09-26 22:04:05,864 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-09-26 22:04:05,987 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2018-09-26 22:04:06,400 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-09-26 22:04:07,429 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2018-09-26 22:04:07,771 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-09-26 22:04:07,959 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-09-26 22:04:08,160 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2018-09-26 22:04:08,927 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-09-26 22:04:09,418 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2018-09-26 22:04:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 39 states and 146 transitions. [2018-09-26 22:04:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 146 transitions. [2018-09-26 22:04:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:04:09,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:11,683 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2018-09-26 22:04:12,021 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2018-09-26 22:04:12,177 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2018-09-26 22:04:12,668 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2018-09-26 22:04:12,848 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-09-26 22:04:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 42 states and 162 transitions. [2018-09-26 22:04:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 162 transitions. [2018-09-26 22:04:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:04:13,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 44 states and 180 transitions. [2018-09-26 22:04:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 180 transitions. [2018-09-26 22:04:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:04:15,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:16,342 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2018-09-26 22:04:16,507 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-09-26 22:04:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 45 states and 186 transitions. [2018-09-26 22:04:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 186 transitions. [2018-09-26 22:04:16,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:04:16,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:17,696 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-09-26 22:04:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 47 states and 195 transitions. [2018-09-26 22:04:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 195 transitions. [2018-09-26 22:04:17,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:04:17,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:19,629 WARN L178 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 38 [2018-09-26 22:04:20,930 WARN L178 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 44 [2018-09-26 22:04:22,373 WARN L178 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 95 [2018-09-26 22:04:23,802 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 174 DAG size of output: 73 [2018-09-26 22:04:25,139 WARN L178 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 73 [2018-09-26 22:04:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:26,488 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2018-09-26 22:04:26,864 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-09-26 22:04:27,429 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2018-09-26 22:04:28,128 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 41 [2018-09-26 22:04:28,357 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 63 [2018-09-26 22:04:28,985 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 49 [2018-09-26 22:04:29,325 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-26 22:04:29,484 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2018-09-26 22:04:30,037 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-09-26 22:04:30,384 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-26 22:04:30,597 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2018-09-26 22:04:31,200 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-09-26 22:04:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 54 states and 232 transitions. [2018-09-26 22:04:31,828 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 232 transitions. [2018-09-26 22:04:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:04:31,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:33,437 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2018-09-26 22:04:33,655 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2018-09-26 22:04:34,483 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 54 [2018-09-26 22:04:34,850 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2018-09-26 22:04:35,339 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-09-26 22:04:35,660 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2018-09-26 22:04:35,899 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2018-09-26 22:04:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 58 states and 258 transitions. [2018-09-26 22:04:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 258 transitions. [2018-09-26 22:04:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:04:36,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:38,217 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2018-09-26 22:04:38,418 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2018-09-26 22:04:38,982 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-09-26 22:04:39,377 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2018-09-26 22:04:40,286 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2018-09-26 22:04:40,558 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2018-09-26 22:04:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 61 states and 275 transitions. [2018-09-26 22:04:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 275 transitions. [2018-09-26 22:04:41,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:04:41,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:42,678 WARN L178 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2018-09-26 22:04:44,131 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 45 [2018-09-26 22:04:45,325 WARN L178 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 60 [2018-09-26 22:04:46,452 WARN L178 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 59 [2018-09-26 22:04:48,056 WARN L178 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 69 [2018-09-26 22:04:49,685 WARN L178 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 193 DAG size of output: 72 [2018-09-26 22:04:50,586 WARN L178 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2018-09-26 22:04:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:51,664 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-09-26 22:04:53,553 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2018-09-26 22:04:54,100 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2018-09-26 22:04:55,201 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2018-09-26 22:04:55,560 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-09-26 22:04:55,956 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2018-09-26 22:04:56,289 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-09-26 22:04:56,815 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2018-09-26 22:04:57,289 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2018-09-26 22:04:57,888 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-09-26 22:04:58,084 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2018-09-26 22:04:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 69 states and 313 transitions. [2018-09-26 22:04:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 313 transitions. [2018-09-26 22:04:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:04:59,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:00,604 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:01,023 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2018-09-26 22:05:01,290 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2018-09-26 22:05:02,191 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2018-09-26 22:05:02,484 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2018-09-26 22:05:03,338 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-26 22:05:03,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 71 states and 332 transitions. [2018-09-26 22:05:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 332 transitions. [2018-09-26 22:05:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:05:03,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:04,917 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2018-09-26 22:05:05,391 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2018-09-26 22:05:06,334 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-09-26 22:05:06,623 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2018-09-26 22:05:06,951 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-09-26 22:05:07,288 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-09-26 22:05:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 74 states and 344 transitions. [2018-09-26 22:05:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 344 transitions. [2018-09-26 22:05:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:05:07,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:09,018 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2018-09-26 22:05:09,255 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2018-09-26 22:05:10,041 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2018-09-26 22:05:10,249 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2018-09-26 22:05:10,949 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2018-09-26 22:05:11,107 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 28 [2018-09-26 22:05:11,789 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2018-09-26 22:05:12,663 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2018-09-26 22:05:12,846 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2018-09-26 22:05:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 79 states and 362 transitions. [2018-09-26 22:05:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 362 transitions. [2018-09-26 22:05:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:05:13,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:14,619 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 58 [2018-09-26 22:05:14,856 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 49 [2018-09-26 22:05:15,765 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2018-09-26 22:05:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 82 states and 380 transitions. [2018-09-26 22:05:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 380 transitions. [2018-09-26 22:05:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:05:16,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:20,415 WARN L178 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 436 DAG size of output: 42 [2018-09-26 22:05:22,929 WARN L178 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 436 DAG size of output: 39 [2018-09-26 22:05:27,040 WARN L178 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 498 DAG size of output: 54 [2018-09-26 22:05:36,462 WARN L178 SmtUtils]: Spent 6.05 s on a formula simplification. DAG size of input: 781 DAG size of output: 83 [2018-09-26 22:05:45,240 WARN L178 SmtUtils]: Spent 6.73 s on a formula simplification. DAG size of input: 675 DAG size of output: 135 [2018-09-26 22:05:54,078 WARN L178 SmtUtils]: Spent 6.74 s on a formula simplification. DAG size of input: 674 DAG size of output: 123 [2018-09-26 22:06:01,812 WARN L178 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 632 DAG size of output: 126 [2018-09-26 22:06:09,626 WARN L178 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 624 DAG size of output: 138 [2018-09-26 22:06:14,310 WARN L178 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 361 DAG size of output: 96 [2018-09-26 22:06:19,563 WARN L178 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 363 DAG size of output: 89 [2018-09-26 22:06:20,322 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2018-09-26 22:06:20,984 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2018-09-26 22:06:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:06:22,742 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2018-09-26 22:06:24,460 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2018-09-26 22:06:25,603 WARN L178 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2018-09-26 22:06:26,044 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-09-26 22:06:26,780 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-26 22:06:27,440 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2018-09-26 22:06:28,875 WARN L178 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2018-09-26 22:06:29,422 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2018-09-26 22:06:30,255 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-26 22:06:30,859 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 89 [2018-09-26 22:06:31,896 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2018-09-26 22:06:32,415 WARN L178 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 83 [2018-09-26 22:06:32,873 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-09-26 22:06:33,327 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-09-26 22:06:34,003 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 69 [2018-09-26 22:06:35,199 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2018-09-26 22:06:35,899 WARN L178 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 73 [2018-09-26 22:06:36,342 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2018-09-26 22:06:36,918 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2018-09-26 22:06:37,241 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2018-09-26 22:06:37,847 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-09-26 22:06:39,022 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-09-26 22:06:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:06:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 89 states and 427 transitions. [2018-09-26 22:06:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 427 transitions. [2018-09-26 22:06:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:06:40,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:06:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:06:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:06:44,722 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2018-09-26 22:06:44,911 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2018-09-26 22:06:45,755 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-09-26 22:06:46,752 WARN L178 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2018-09-26 22:06:47,423 WARN L178 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 64 [2018-09-26 22:06:47,890 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2018-09-26 22:06:48,285 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-09-26 22:06:49,101 WARN L178 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 86 [2018-09-26 22:06:49,866 WARN L178 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2018-09-26 22:06:50,373 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-09-26 22:06:50,912 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-26 22:06:51,631 WARN L178 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2018-09-26 22:06:52,158 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2018-09-26 22:06:53,055 WARN L178 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2018-09-26 22:06:53,677 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2018-09-26 22:06:53,963 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2018-09-26 22:06:54,233 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-09-26 22:06:55,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:06:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 95 states and 468 transitions. [2018-09-26 22:06:55,622 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 468 transitions. [2018-09-26 22:06:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:06:55,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:06:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:06:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:06:59,142 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 28 [2018-09-26 22:06:59,760 WARN L178 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 55 [2018-09-26 22:07:00,854 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 54 [2018-09-26 22:07:01,210 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-09-26 22:07:01,680 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 54 [2018-09-26 22:07:02,049 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2018-09-26 22:07:03,100 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2018-09-26 22:07:03,417 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 44 [2018-09-26 22:07:04,525 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2018-09-26 22:07:05,064 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2018-09-26 22:07:05,531 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-26 22:07:05,990 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-26 22:07:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 100 states and 496 transitions. [2018-09-26 22:07:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 496 transitions. [2018-09-26 22:07:06,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:07:06,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:09,656 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 54 [2018-09-26 22:07:10,126 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 58 [2018-09-26 22:07:11,137 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 21 [2018-09-26 22:07:11,368 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 42 [2018-09-26 22:07:11,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:11,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 102 states and 509 transitions. [2018-09-26 22:07:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 509 transitions. [2018-09-26 22:07:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:07:11,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:15,328 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2018-09-26 22:07:15,561 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2018-09-26 22:07:16,333 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 28 [2018-09-26 22:07:16,631 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 51 [2018-09-26 22:07:18,007 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2018-09-26 22:07:18,478 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2018-09-26 22:07:19,227 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-26 22:07:20,152 WARN L178 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2018-09-26 22:07:20,776 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2018-09-26 22:07:21,979 WARN L178 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-09-26 22:07:22,654 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-09-26 22:07:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 105 states and 520 transitions. [2018-09-26 22:07:22,753 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 520 transitions. [2018-09-26 22:07:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:07:22,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:27,159 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2018-09-26 22:07:27,495 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2018-09-26 22:07:28,746 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 62 [2018-09-26 22:07:29,377 WARN L178 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 73 [2018-09-26 22:07:29,833 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-09-26 22:07:30,320 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-09-26 22:07:30,769 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2018-09-26 22:07:31,176 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 64 [2018-09-26 22:07:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:32,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 108 states and 544 transitions. [2018-09-26 22:07:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 544 transitions. [2018-09-26 22:07:32,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:07:32,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:35,341 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 54 [2018-09-26 22:07:35,750 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2018-09-26 22:07:36,908 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 47 [2018-09-26 22:07:37,103 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 34 [2018-09-26 22:07:37,918 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 44 [2018-09-26 22:07:38,166 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2018-09-26 22:07:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 108 states and 526 transitions. [2018-09-26 22:07:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 526 transitions. [2018-09-26 22:07:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:07:38,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:07:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:44,952 WARN L178 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 316 DAG size of output: 35 [2018-09-26 22:07:50,335 WARN L178 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 479 DAG size of output: 69 Received shutdown request... [2018-09-26 22:07:50,630 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-26 22:07:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:07:50,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:07:50,789 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-26 22:07:50,790 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:07:50,793 INFO L168 Benchmark]: Toolchain (without parser) took 244431.72 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -928.8 MB). Peak memory consumption was 180.0 MB. Max. memory is 7.1 GB. [2018-09-26 22:07:50,793 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:07:50,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.05 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:07:50,794 INFO L168 Benchmark]: Boogie Preprocessor took 29.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:07:50,795 INFO L168 Benchmark]: RCFGBuilder took 1736.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-09-26 22:07:50,795 INFO L168 Benchmark]: CodeCheck took 242610.01 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 2.4 GB in the end (delta: -992.3 MB). Peak memory consumption was 116.6 MB. Max. memory is 7.1 GB. [2018-09-26 22:07:50,798 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 470 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.05 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1736.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * CodeCheck took 242610.01 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 2.4 GB in the end (delta: -992.3 MB). Peak memory consumption was 116.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ElevatorWithAssignments.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-07-50-807.csv Completed graceful shutdown