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/Elevator-Integer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 01:25:31,080 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 01:25:31,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 01:25:31,095 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 01:25:31,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 01:25:31,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 01:25:31,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 01:25:31,100 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 01:25:31,102 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 01:25:31,103 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 01:25:31,104 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 01:25:31,104 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 01:25:31,105 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 01:25:31,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 01:25:31,107 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 01:25:31,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 01:25:31,109 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 01:25:31,111 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 01:25:31,113 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 01:25:31,115 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 01:25:31,116 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 01:25:31,118 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 01:25:31,120 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 01:25:31,121 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 01:25:31,121 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 01:25:31,122 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 01:25:31,123 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 01:25:31,124 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 01:25:31,125 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 01:25:31,126 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 01:25:31,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 01:25:31,127 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 01:25:31,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 01:25:31,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 01:25:31,128 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 01:25:31,129 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 01:25:31,130 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 01:25:31,146 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 01:25:31,146 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 01:25:31,147 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 01:25:31,147 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 01:25:31,148 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 01:25:31,148 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 01:25:31,148 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 01:25:31,148 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 01:25:31,149 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 01:25:31,149 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 01:25:31,149 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 01:25:31,149 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 01:25:31,149 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 01:25:31,150 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 01:25:31,150 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 01:25:31,150 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 01:25:31,150 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 01:25:31,150 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 01:25:31,150 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 01:25:31,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 01:25:31,151 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 01:25:31,151 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:25:31,151 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 01:25:31,152 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 01:25:31,152 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 01:25:31,152 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 01:25:31,152 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 01:25:31,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 01:25:31,153 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 01:25:31,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 01:25:31,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 01:25:31,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 01:25:31,215 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 01:25:31,216 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 01:25:31,217 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-10-01 01:25:31,217 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-10-01 01:25:31,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 01:25:31,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 01:25:31,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 01:25:31,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 01:25:31,282 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 01:25:31,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,322 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 01:25:31,322 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 01:25:31,322 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 01:25:31,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 01:25:31,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 01:25:31,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 01:25:31,326 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 01:25:31,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 01:25:31,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 01:25:31,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 01:25:31,357 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 01:25:31,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:25:31,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-01 01:25:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-01 01:25:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-01 01:25:33,235 INFO L345 CfgBuilder]: Using library mode [2018-10-01 01:25:33,235 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:25:33 BoogieIcfgContainer [2018-10-01 01:25:33,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 01:25:33,237 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 01:25:33,237 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 01:25:33,249 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 01:25:33,249 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:25:33" (1/1) ... [2018-10-01 01:25:33,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 01:25:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-01 01:25:33,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-01 01:25:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 01:25:33,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:33,676 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-01 01:25:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-01 01:25:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-01 01:25:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 01:25:34,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-10-01 01:25:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-10-01 01:25:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:25:34,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:35,646 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-10-01 01:25:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:36,514 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-01 01:25:36,838 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-10-01 01:25:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-10-01 01:25:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-10-01 01:25:37,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 01:25:37,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:38,022 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2018-10-01 01:25:38,375 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2018-10-01 01:25:38,916 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2018-10-01 01:25:38,947 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:39,245 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2018-10-01 01:25:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 17 states and 41 transitions. [2018-10-01 01:25:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 41 transitions. [2018-10-01 01:25:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 01:25:40,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:41,121 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-10-01 01:25:41,502 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2018-10-01 01:25:41,938 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2018-10-01 01:25:42,163 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2018-10-01 01:25:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:42,950 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-10-01 01:25:43,554 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2018-10-01 01:25:44,044 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2018-10-01 01:25:44,295 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-10-01 01:25:44,464 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2018-10-01 01:25:45,041 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-10-01 01:25:45,632 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2018-10-01 01:25:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:46,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 26 states and 79 transitions. [2018-10-01 01:25:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 79 transitions. [2018-10-01 01:25:46,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:25:46,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:48,439 WARN L178 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 38 [2018-10-01 01:25:49,790 WARN L178 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 59 [2018-10-01 01:25:51,303 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 77 [2018-10-01 01:25:52,742 WARN L178 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 195 DAG size of output: 78 [2018-10-01 01:25:53,736 WARN L178 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 71 [2018-10-01 01:25:54,641 WARN L178 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 67 [2018-10-01 01:25:55,102 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2018-10-01 01:25:55,461 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 42 [2018-10-01 01:25:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:55,655 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-10-01 01:25:55,886 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2018-10-01 01:25:56,583 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2018-10-01 01:25:57,777 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2018-10-01 01:25:58,184 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2018-10-01 01:25:58,967 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-10-01 01:25:59,175 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2018-10-01 01:26:00,012 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-01 01:26:00,643 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-10-01 01:26:01,536 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2018-10-01 01:26:01,778 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2018-10-01 01:26:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 31 states and 107 transitions. [2018-10-01 01:26:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 107 transitions. [2018-10-01 01:26:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:26:02,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:03,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:03,821 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 19 [2018-10-01 01:26:04,264 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2018-10-01 01:26:04,410 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-10-01 01:26:04,897 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-10-01 01:26:05,141 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2018-10-01 01:26:05,733 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2018-10-01 01:26:05,989 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2018-10-01 01:26:07,079 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 36 [2018-10-01 01:26:07,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:07,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 34 states and 118 transitions. [2018-10-01 01:26:07,328 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 118 transitions. [2018-10-01 01:26:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:26:07,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:09,176 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-01 01:26:10,885 WARN L178 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 41 [2018-10-01 01:26:11,991 WARN L178 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 41 [2018-10-01 01:26:14,450 WARN L178 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 390 DAG size of output: 70 [2018-10-01 01:26:16,669 WARN L178 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 391 DAG size of output: 70 [2018-10-01 01:26:18,783 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 418 DAG size of output: 83 [2018-10-01 01:26:22,658 WARN L178 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 427 DAG size of output: 119 [2018-10-01 01:26:25,830 WARN L178 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 430 DAG size of output: 117 [2018-10-01 01:26:27,388 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 310 DAG size of output: 69 [2018-10-01 01:26:29,090 WARN L178 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 313 DAG size of output: 72 [2018-10-01 01:26:29,629 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-10-01 01:26:30,209 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2018-10-01 01:26:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:30,654 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2018-10-01 01:26:30,940 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2018-10-01 01:26:31,831 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2018-10-01 01:26:32,217 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2018-10-01 01:26:33,364 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-10-01 01:26:33,700 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-01 01:26:33,964 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2018-10-01 01:26:34,869 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2018-10-01 01:26:35,453 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 51 [2018-10-01 01:26:35,975 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-01 01:26:36,281 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 57 [2018-10-01 01:26:36,515 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-10-01 01:26:36,794 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2018-10-01 01:26:37,410 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-01 01:26:37,755 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-10-01 01:26:38,198 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2018-10-01 01:26:40,057 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2018-10-01 01:26:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 47 states and 177 transitions. [2018-10-01 01:26:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 177 transitions. [2018-10-01 01:26:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:26:40,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:42,393 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 33 [2018-10-01 01:26:43,217 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 32 [2018-10-01 01:26:44,485 WARN L178 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 49 [2018-10-01 01:26:46,786 WARN L178 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 69 [2018-10-01 01:26:49,472 WARN L178 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 313 DAG size of output: 85 [2018-10-01 01:26:51,683 WARN L178 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 331 DAG size of output: 86 [2018-10-01 01:26:53,895 WARN L178 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 362 DAG size of output: 107 [2018-10-01 01:26:56,170 WARN L178 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 360 DAG size of output: 102 [2018-10-01 01:26:58,115 WARN L178 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 295 DAG size of output: 95 [2018-10-01 01:27:00,211 WARN L178 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 295 DAG size of output: 97 [2018-10-01 01:27:00,800 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 31 [2018-10-01 01:27:01,314 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 25 [2018-10-01 01:27:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:02,242 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-10-01 01:27:02,555 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-10-01 01:27:02,707 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 36 [2018-10-01 01:27:03,502 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-10-01 01:27:03,864 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-01 01:27:04,293 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2018-10-01 01:27:05,191 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2018-10-01 01:27:05,631 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-10-01 01:27:06,056 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2018-10-01 01:27:07,468 WARN L178 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-10-01 01:27:08,257 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2018-10-01 01:27:08,603 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2018-10-01 01:27:09,175 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-10-01 01:27:09,553 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2018-10-01 01:27:10,650 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-01 01:27:11,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 53 states and 198 transitions. [2018-10-01 01:27:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 198 transitions. [2018-10-01 01:27:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 01:27:11,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:13,754 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-01 01:27:14,552 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2018-10-01 01:27:15,273 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2018-10-01 01:27:17,586 WARN L178 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 336 DAG size of output: 53 [2018-10-01 01:27:21,526 WARN L178 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 478 DAG size of output: 89 [2018-10-01 01:27:26,016 WARN L178 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 614 DAG size of output: 110 [2018-10-01 01:27:29,451 WARN L178 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 470 DAG size of output: 59 [2018-10-01 01:27:32,733 WARN L178 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 347 DAG size of output: 76 [2018-10-01 01:27:35,060 WARN L178 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 348 DAG size of output: 68 [2018-10-01 01:27:36,468 WARN L178 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 61 [2018-10-01 01:27:37,537 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-10-01 01:27:38,068 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 29 [2018-10-01 01:27:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:39,593 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-10-01 01:27:40,424 WARN L178 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2018-10-01 01:27:41,139 WARN L178 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-10-01 01:27:41,848 WARN L178 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2018-10-01 01:27:42,177 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-10-01 01:27:42,519 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-01 01:27:42,907 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 26 [2018-10-01 01:27:43,555 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2018-10-01 01:27:43,946 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2018-10-01 01:27:44,245 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2018-10-01 01:27:45,127 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2018-10-01 01:27:45,956 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-01 01:27:46,362 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-10-01 01:27:46,620 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2018-10-01 01:27:47,153 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2018-10-01 01:27:48,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:48,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 58 states and 219 transitions. [2018-10-01 01:27:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 219 transitions. [2018-10-01 01:27:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 01:27:48,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:51,624 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-10-01 01:27:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 60 states and 223 transitions. [2018-10-01 01:27:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 223 transitions. [2018-10-01 01:27:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:27:52,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:58,485 WARN L178 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 480 DAG size of output: 33 [2018-10-01 01:28:03,678 WARN L178 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 556 DAG size of output: 46 [2018-10-01 01:28:11,046 WARN L178 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 628 DAG size of output: 86 [2018-10-01 01:28:18,192 WARN L178 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 626 DAG size of output: 85 [2018-10-01 01:28:25,895 WARN L178 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 606 DAG size of output: 68 [2018-10-01 01:28:36,986 WARN L178 SmtUtils]: Spent 7.84 s on a formula simplification. DAG size of input: 722 DAG size of output: 99 [2018-10-01 01:28:43,933 WARN L178 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 630 DAG size of output: 96 [2018-10-01 01:28:51,279 WARN L178 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 632 DAG size of output: 100 [2018-10-01 01:28:55,988 WARN L178 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 537 DAG size of output: 89 [2018-10-01 01:29:01,020 WARN L178 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 542 DAG size of output: 90 [2018-10-01 01:29:07,285 WARN L178 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 526 DAG size of output: 76 [2018-10-01 01:29:13,125 WARN L178 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 535 DAG size of output: 79 [2018-10-01 01:29:14,625 WARN L178 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2018-10-01 01:29:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:29:15,925 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-01 01:29:16,327 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-01 01:29:16,723 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2018-10-01 01:29:17,370 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2018-10-01 01:29:17,766 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-01 01:29:18,460 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2018-10-01 01:29:19,464 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-01 01:29:20,171 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-01 01:29:20,449 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 40 [2018-10-01 01:29:21,547 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-01 01:29:21,948 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2018-10-01 01:29:22,477 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-01 01:29:22,813 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2018-10-01 01:29:23,418 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2018-10-01 01:29:24,132 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-01 01:29:24,675 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-10-01 01:29:25,347 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2018-10-01 01:29:26,479 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-01 01:29:26,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:29:26,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 17 states and 46 transitions. [2018-10-01 01:29:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 46 transitions. [2018-10-01 01:29:26,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-01 01:29:26,877 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 0 iterations. [2018-10-01 01:29:26,888 INFO L776 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-01 01:29:26,906 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.10 01:29:26 ImpRootNode [2018-10-01 01:29:26,907 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-01 01:29:26,908 INFO L168 Benchmark]: Toolchain (without parser) took 235629.32 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 484.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -68.0 MB). Peak memory consumption was 416.4 MB. Max. memory is 7.1 GB. [2018-10-01 01:29:26,909 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-01 01:29:26,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.05 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. [2018-10-01 01:29:26,910 INFO L168 Benchmark]: Boogie Preprocessor took 31.11 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. [2018-10-01 01:29:26,910 INFO L168 Benchmark]: RCFGBuilder took 1878.91 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. [2018-10-01 01:29:26,911 INFO L168 Benchmark]: CodeCheck took 233670.14 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 484.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -131.4 MB). Peak memory consumption was 353.0 MB. Max. memory is 7.1 GB. [2018-10-01 01:29:26,914 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 29 locations, 1 error locations. SAFE Result, 233.6s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21096 SDtfs, 20542 SDslu, 0 SDs, 0 SdLazy, 151218 SolverSat, 34084 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 169.0s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 258344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 0/432 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 185]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((((((((((((((((current' <= max && qCSP == 2) && 0 < qDC1) && c3 + 1 <= 0) && qDC2 == 2) && (current' + 1 <= goal' || goal' + 1 <= current')) && min <= current') && goal' <= max) && min <= goal') && qDC1 <= 1) || ((((((((((current' <= max && (!(goal' == current') || qDC2 == 3)) && qDC1 == 2) && ((0 == dir' + 1 && goal' <= current') || 1 == dir')) && ((qDC2 == 2 && 0 == dir' + 1) || current' < goal' + 1)) && (qDC2 == 2 || goal' <= current')) && min <= current') && goal' <= max) && min <= goal') && (!(qDC2 == 3) || (0 <= c3 && c2 <= c3))) && qCSP == 3)) || ((((((((((qDC2 <= 2 && 0 < qDC1) && (qDC2 == 2 || goal' + 1 <= current')) && !(qDC2 == 1)) && min <= current') && (((current' <= max && 0 == dir' + 1) && goal' + 1 <= current') || 1 == dir')) && min <= goal') && !(0 <= c3 && qDC2 == 2)) && qDC1 <= 1) && ((goal' <= max && current' + 1 <= goal') || ((current' <= max && 0 == dir' + 1) && goal' + 1 <= current'))) && qCSP == 3)) || (((((((qDC1 == 1 && 0 <= c3) && current' <= goal') && qDC2 == 1) && goal' <= max) && min <= goal') && qCSP == 1) && goal' <= current')) || (((((goal' == current' && qDC2 == 1) && goal' <= max) && min <= goal') && !(qDC1 == 1)) && qCSP == 1)) || (((((((((current' <= max && qCSP == 2) && 0 < qDC1) && 0 < c3 + 1) && qDC2 == 2) && (current' + 1 <= goal' || goal' + 1 <= current')) && min <= current') && goal' <= max) && min <= goal') && qDC1 <= 1)) || ((((((((0 <= c3 && 0 < qDC1) && qDC2 == 2) && min <= current') && min <= goal') && qDC1 <= 1) && (goal' + 1 <= current' || 1 == dir')) && ((goal' <= max && current' + 1 <= goal') || (current' <= max && 0 == dir' + 1))) && qCSP == 3)) || (((((!(qCSP == 3) && !(((qCSP == 2 && 0 < qDC1) && qDC1 <= 1) || ((qCSP <= 1 && 0 < qDC1) && qDC1 <= 1))) && ((((((c2 <= c3 && current' <= goal') && 2 <= qDC1) && current' + 1 <= max) && 3 <= qCSP) && goal' <= current') || !(qDC2 == 3))) && min <= current') && (qDC2 == 3 || (((current' <= max && (current' + 1 <= goal' || goal' + 1 <= current')) && goal' <= max) && (((!(qDC1 == 2) && min <= goal') || current' < goal' + 1) || (qCSP == 2 && min <= goal'))))) && !(qCSP == 1))) || (((((((qDC1 == 1 && current' <= goal') && qDC2 == 1) && goal' <= max) && min <= goal') && c3 < 0) && qCSP == 1) && goal' <= current') * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 43.05 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 31.11 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 1878.91 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 233670.14 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 484.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -131.4 MB). Peak memory consumption was 353.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Elevator-Integer.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-01_01-29-26-928.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Elevator-Integer.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_01-29-26-928.csv Received shutdown request...