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-d19836b [2018-09-26 22:03:46,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:03:46,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:03:46,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:03:46,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:03:46,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:03:46,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:03:46,097 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:03:46,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:03:46,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:03:46,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:03:46,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:03:46,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:03:46,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:03:46,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:03:46,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:03:46,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:03:46,108 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:03:46,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:03:46,112 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:03:46,113 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:03:46,114 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:03:46,117 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:03:46,117 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:03:46,118 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:03:46,119 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:03:46,120 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:03:46,121 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:03:46,122 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:03:46,123 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:03:46,123 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:03:46,124 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:03:46,124 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:03:46,124 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:03:46,125 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:03:46,126 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:03:46,126 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 22:03:46,142 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:03:46,142 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:03:46,143 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:03:46,143 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:03:46,144 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:03:46,144 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:03:46,144 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:03:46,144 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:03:46,145 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:03:46,145 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:03:46,145 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:03:46,145 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:03:46,145 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:03:46,146 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:03:46,146 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:03:46,146 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:03:46,146 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:03:46,146 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:03:46,146 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:03:46,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:03:46,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:03:46,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:03:46,147 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:03:46,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:03:46,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:03:46,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:03:46,229 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:03:46,230 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:03:46,230 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-09-26 22:03:46,231 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-09-26 22:03:46,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:03:46,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:03:46,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:03:46,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:03:46,294 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:03:46,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,336 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:03:46,336 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:03:46,336 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:03:46,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:03:46,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:03:46,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:03:46,340 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:03:46,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:03:46,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:03:46,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:03:46,375 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:03:46,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.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 22:03:46,464 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-26 22:03:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-26 22:03:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-26 22:03:48,209 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:03:48,209 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:03:48 BoogieIcfgContainer [2018-09-26 22:03:48,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:03:48,210 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:03:48,211 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:03:48,226 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:03:48,227 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:03:48" (1/1) ... [2018-09-26 22:03:48,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:03:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:03:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:03:48,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:03:48,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:48,741 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 22:03:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:48,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-26 22:03:48,871 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-26 22:03:48,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:03:48,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:49,418 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2018-09-26 22:03:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-09-26 22:03:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-09-26 22:03:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:03:49,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:50,456 WARN L178 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-09-26 22:03:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:51,541 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-09-26 22:03:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-09-26 22:03:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-09-26 22:03:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:03:52,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:52,784 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2018-09-26 22:03:53,123 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2018-09-26 22:03:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:53,673 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2018-09-26 22:03:53,935 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2018-09-26 22:03:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 17 states and 41 transitions. [2018-09-26 22:03:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 41 transitions. [2018-09-26 22:03:54,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:03:54,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:55,234 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-26 22:03:56,065 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-09-26 22:03:56,423 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2018-09-26 22:03:56,854 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2018-09-26 22:03:57,110 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2018-09-26 22:03:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:58,343 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2018-09-26 22:03:58,569 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2018-09-26 22:03:58,990 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2018-09-26 22:03:59,247 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-09-26 22:03:59,404 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2018-09-26 22:03:59,986 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-09-26 22:04:00,618 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2018-09-26 22:04:01,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 26 states and 79 transitions. [2018-09-26 22:04:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 79 transitions. [2018-09-26 22:04:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:04:01,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:04,126 WARN L178 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 154 DAG size of output: 38 [2018-09-26 22:04:05,345 WARN L178 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 59 [2018-09-26 22:04:06,914 WARN L178 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 196 DAG size of output: 77 [2018-09-26 22:04:08,472 WARN L178 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 195 DAG size of output: 78 [2018-09-26 22:04:09,272 WARN L178 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 71 [2018-09-26 22:04:10,160 WARN L178 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 67 [2018-09-26 22:04:10,650 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2018-09-26 22:04:11,009 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 42 [2018-09-26 22:04:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:11,259 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-09-26 22:04:11,497 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2018-09-26 22:04:12,269 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2018-09-26 22:04:13,291 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-09-26 22:04:14,601 WARN L178 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-09-26 22:04:14,851 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-09-26 22:04:15,181 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2018-09-26 22:04:16,172 WARN L178 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-09-26 22:04:16,481 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2018-09-26 22:04:16,723 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-26 22:04:16,949 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2018-09-26 22:04:18,954 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2018-09-26 22:04:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 32 states and 110 transitions. [2018-09-26 22:04:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 110 transitions. [2018-09-26 22:04:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:04:19,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:21,712 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-26 22:04:23,584 WARN L178 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 41 [2018-09-26 22:04:24,702 WARN L178 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 41 [2018-09-26 22:04:26,768 WARN L178 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 390 DAG size of output: 70 [2018-09-26 22:04:29,150 WARN L178 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 391 DAG size of output: 70 [2018-09-26 22:04:31,280 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 418 DAG size of output: 83 [2018-09-26 22:04:35,005 WARN L178 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 427 DAG size of output: 119 [2018-09-26 22:04:38,069 WARN L178 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 430 DAG size of output: 117 [2018-09-26 22:04:39,632 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 310 DAG size of output: 69 [2018-09-26 22:04:41,210 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 313 DAG size of output: 72 [2018-09-26 22:04:41,681 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-09-26 22:04:42,245 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2018-09-26 22:04:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:42,666 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2018-09-26 22:04:44,272 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2018-09-26 22:04:44,566 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-09-26 22:04:44,738 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2018-09-26 22:04:45,593 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-09-26 22:04:45,887 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-26 22:04:46,129 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2018-09-26 22:04:46,906 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2018-09-26 22:04:47,597 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 58 [2018-09-26 22:04:48,070 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 22:04:48,518 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 61 [2018-09-26 22:04:48,797 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2018-09-26 22:04:49,088 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2018-09-26 22:04:49,722 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-26 22:04:50,025 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2018-09-26 22:04:50,409 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2018-09-26 22:04:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 45 states and 170 transitions. [2018-09-26 22:04:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 170 transitions. [2018-09-26 22:04:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:04:52,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:54,713 WARN L178 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 33 [2018-09-26 22:04:55,544 WARN L178 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 32 [2018-09-26 22:04:56,867 WARN L178 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 49 [2018-09-26 22:04:59,183 WARN L178 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 280 DAG size of output: 69 [2018-09-26 22:05:02,001 WARN L178 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 313 DAG size of output: 85 [2018-09-26 22:05:04,060 WARN L178 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 331 DAG size of output: 86 [2018-09-26 22:05:06,217 WARN L178 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 362 DAG size of output: 107 [2018-09-26 22:05:08,327 WARN L178 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 360 DAG size of output: 102 [2018-09-26 22:05:10,358 WARN L178 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 295 DAG size of output: 95 [2018-09-26 22:05:12,336 WARN L178 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 295 DAG size of output: 97 [2018-09-26 22:05:12,864 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 31 [2018-09-26 22:05:13,361 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 25 [2018-09-26 22:05:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:14,210 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-09-26 22:05:14,509 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-09-26 22:05:14,656 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 36 [2018-09-26 22:05:15,541 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-09-26 22:05:15,876 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-26 22:05:16,296 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2018-09-26 22:05:17,139 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2018-09-26 22:05:17,478 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-09-26 22:05:17,964 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2018-09-26 22:05:19,337 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-09-26 22:05:20,286 WARN L178 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2018-09-26 22:05:20,657 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 60 [2018-09-26 22:05:21,193 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-09-26 22:05:21,555 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2018-09-26 22:05:22,519 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-26 22:05:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:22,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-09-26 22:05:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-09-26 22:05:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:05:22,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:25,613 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2018-09-26 22:05:26,344 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2018-09-26 22:05:28,512 WARN L178 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 336 DAG size of output: 53 [2018-09-26 22:05:32,207 WARN L178 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 478 DAG size of output: 89 [2018-09-26 22:05:36,761 WARN L178 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 614 DAG size of output: 110 [2018-09-26 22:05:40,035 WARN L178 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 470 DAG size of output: 59 [2018-09-26 22:05:43,073 WARN L178 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 347 DAG size of output: 76 [2018-09-26 22:05:45,368 WARN L178 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 348 DAG size of output: 68 [2018-09-26 22:05:46,680 WARN L178 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 61 [2018-09-26 22:05:47,741 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-09-26 22:05:48,242 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 29 [2018-09-26 22:05:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:49,652 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-09-26 22:05:50,400 WARN L178 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2018-09-26 22:05:51,185 WARN L178 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-09-26 22:05:51,800 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2018-09-26 22:05:52,115 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-26 22:05:52,446 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-26 22:05:52,839 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 26 [2018-09-26 22:05:53,478 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2018-09-26 22:05:53,847 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2018-09-26 22:05:54,146 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2018-09-26 22:05:55,082 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2018-09-26 22:05:55,884 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-26 22:05:56,288 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-26 22:05:56,563 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2018-09-26 22:05:57,101 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2018-09-26 22:05:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 56 states and 212 transitions. [2018-09-26 22:05:57,998 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 212 transitions. [2018-09-26 22:05:57,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:05:58,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:06:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:06:01,105 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2018-09-26 22:06:01,315 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-09-26 22:06:02,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:06:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 58 states and 216 transitions. [2018-09-26 22:06:02,117 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 216 transitions. [2018-09-26 22:06:02,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:06:02,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:06:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:06:08,423 WARN L178 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 480 DAG size of output: 33 [2018-09-26 22:06:13,636 WARN L178 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 556 DAG size of output: 46 [2018-09-26 22:06:20,785 WARN L178 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 628 DAG size of output: 86 [2018-09-26 22:06:27,982 WARN L178 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 626 DAG size of output: 85 [2018-09-26 22:06:35,394 WARN L178 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 606 DAG size of output: 68 [2018-09-26 22:06:45,979 WARN L178 SmtUtils]: Spent 7.59 s on a formula simplification. DAG size of input: 722 DAG size of output: 99 [2018-09-26 22:06:52,783 WARN L178 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 630 DAG size of output: 96 [2018-09-26 22:06:59,900 WARN L178 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 632 DAG size of output: 100 [2018-09-26 22:07:04,395 WARN L178 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 537 DAG size of output: 89 [2018-09-26 22:07:09,282 WARN L178 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 542 DAG size of output: 90 [2018-09-26 22:07:15,436 WARN L178 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 526 DAG size of output: 76 [2018-09-26 22:07:21,236 WARN L178 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 535 DAG size of output: 79 [2018-09-26 22:07:22,679 WARN L178 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2018-09-26 22:07:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:07:24,009 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-26 22:07:24,493 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-26 22:07:24,889 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2018-09-26 22:07:25,510 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2018-09-26 22:07:25,876 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-09-26 22:07:27,163 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 47 [2018-09-26 22:07:27,670 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-09-26 22:07:27,961 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 46 [2018-09-26 22:07:28,824 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 32 [2018-09-26 22:07:29,299 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-09-26 22:07:29,593 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 40 [2018-09-26 22:07:30,673 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-09-26 22:07:31,134 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 36 [2018-09-26 22:07:31,641 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-09-26 22:07:31,995 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2018-09-26 22:07:33,086 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-09-26 22:07:33,674 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2018-09-26 22:07:34,353 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 59 [2018-09-26 22:07:35,449 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-26 22:07:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:07:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 17 states and 46 transitions. [2018-09-26 22:07:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 46 transitions. [2018-09-26 22:07:35,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 22:07:35,889 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 0 iterations. [2018-09-26 22:07:35,900 INFO L776 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-09-26 22:07:35,920 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.09 10:07:35 ImpRootNode [2018-09-26 22:07:35,920 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-26 22:07:35,922 INFO L168 Benchmark]: Toolchain (without parser) took 229631.11 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 447.2 MB). Free memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: -203.8 MB). Peak memory consumption was 243.4 MB. Max. memory is 7.1 GB. [2018-09-26 22:07:35,923 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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 22:07:35,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.61 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 22:07:35,924 INFO L168 Benchmark]: Boogie Preprocessor took 34.75 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 22:07:35,924 INFO L168 Benchmark]: RCFGBuilder took 1834.90 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 22:07:35,925 INFO L168 Benchmark]: CodeCheck took 227710.16 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 447.2 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -267.3 MB). Peak memory consumption was 179.9 MB. Max. memory is 7.1 GB. [2018-09-26 22:07:35,928 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, 227.6s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10728 SDtfs, 10432 SDslu, 0 SDs, 0 SdLazy, 78458 SolverSat, 17306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 165.2s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 244112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 0/402 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')) || (((((((((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)) || (((((goal' == current' && qDC2 == 1) && goal' <= max) && min <= goal') && !(qDC1 == 1)) && qCSP == 1)) || (((((!(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))) || ((((((((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)) || (((((((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 0.18 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 45.61 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 34.75 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 1834.90 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 227710.16 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 447.2 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -267.3 MB). Peak memory consumption was 179.9 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-0-2018-09-26_22-07-35-943.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-0-2018-09-26_22-07-35-943.csv Received shutdown request...