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 [2018-09-30 20:57:09,293 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:57:09,295 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:57:09,307 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:57:09,307 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:57:09,309 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:57:09,310 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:57:09,312 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:57:09,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:57:09,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:57:09,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:57:09,316 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:57:09,317 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:57:09,318 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:57:09,319 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:57:09,320 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:57:09,321 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:57:09,323 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:57:09,325 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:57:09,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:57:09,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:57:09,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:57:09,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 20:57:09,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 20:57:09,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 20:57:09,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 20:57:09,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 20:57:09,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 20:57:09,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 20:57:09,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 20:57:09,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 20:57:09,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 20:57:09,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 20:57:09,340 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 20:57:09,342 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 20:57:09,342 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 20:57:09,343 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 20:57:09,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:57:09,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:57:09,361 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:57:09,361 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:57:09,362 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:57:09,362 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:57:09,362 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:57:09,362 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:57:09,362 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:57:09,363 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:57:09,363 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:57:09,363 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:57:09,363 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:57:09,363 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:57:09,364 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:57:09,364 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:57:09,364 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:57:09,364 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 20:57:09,364 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 20:57:09,365 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:57:09,365 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:57:09,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 20:57:09,365 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:57:09,365 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:57:09,366 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:57:09,366 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 20:57:09,366 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:57:09,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:57:09,366 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:57:09,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:57:09,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:57:09,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:57:09,430 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:57:09,431 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:57:09,432 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-09-30 20:57:09,432 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-09-30 20:57:09,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:57:09,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:57:09,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:09,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:57:09,501 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:57:09,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,543 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 20:57:09,543 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 20:57:09,543 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 20:57:09,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:09,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:57:09,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:57:09,547 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:57:09,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:57:09,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:57:09,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:57:09,581 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:57:09,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 20:57:09,657 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-30 20:57:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-30 20:57:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-30 20:57:11,346 INFO L345 CfgBuilder]: Using library mode [2018-09-30 20:57:11,347 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:11 BoogieIcfgContainer [2018-09-30 20:57:11,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:57:11,348 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 20:57:11,348 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 20:57:11,360 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 20:57:11,361 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:11" (1/1) ... [2018-09-30 20:57:11,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:57:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 20:57:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 20:57:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 20:57:11,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-30 20:57:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-30 20:57:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:12,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:12,691 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2018-09-30 20:57:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-09-30 20:57:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-09-30 20:57:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:12,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:13,548 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-09-30 20:57:13,811 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2018-09-30 20:57:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:14,192 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-09-30 20:57:14,746 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-09-30 20:57:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-09-30 20:57:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-09-30 20:57:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:57:15,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:15,945 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2018-09-30 20:57:16,208 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2018-09-30 20:57:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:16,912 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2018-09-30 20:57:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:17,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 17 states and 41 transitions. [2018-09-30 20:57:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 41 transitions. [2018-09-30 20:57:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 20:57:17,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:18,721 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-09-30 20:57:19,191 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2018-09-30 20:57:19,609 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2018-09-30 20:57:19,880 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2018-09-30 20:57:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:20,674 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-09-30 20:57:21,599 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2018-09-30 20:57:21,854 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-09-30 20:57:22,012 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2018-09-30 20:57:22,569 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-09-30 20:57:22,977 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2018-09-30 20:57:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 26 states and 79 transitions. [2018-09-30 20:57:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 79 transitions. [2018-09-30 20:57:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 20:57:23,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:25,643 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 38 [2018-09-30 20:57:26,906 WARN L178 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 59 [2018-09-30 20:57:28,510 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 196 DAG size of output: 77 [2018-09-30 20:57:30,226 WARN L178 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 78 [2018-09-30 20:57:31,066 WARN L178 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 71 [2018-09-30 20:57:31,967 WARN L178 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 67 [2018-09-30 20:57:32,442 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2018-09-30 20:57:32,811 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 42 [2018-09-30 20:57:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:33,006 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-09-30 20:57:33,231 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2018-09-30 20:57:33,934 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2018-09-30 20:57:35,117 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2018-09-30 20:57:35,538 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2018-09-30 20:57:36,271 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-09-30 20:57:36,484 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2018-09-30 20:57:37,358 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-30 20:57:38,026 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-09-30 20:57:38,833 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2018-09-30 20:57:39,101 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2018-09-30 20:57:39,532 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2018-09-30 20:57:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 31 states and 107 transitions. [2018-09-30 20:57:39,887 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 107 transitions. [2018-09-30 20:57:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 20:57:39,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:41,936 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2018-09-30 20:57:42,077 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-09-30 20:57:42,523 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-09-30 20:57:42,761 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2018-09-30 20:57:43,367 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2018-09-30 20:57:43,628 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2018-09-30 20:57:44,861 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 36 [2018-09-30 20:57:45,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 34 states and 118 transitions. [2018-09-30 20:57:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 118 transitions. [2018-09-30 20:57:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 20:57:45,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:47,005 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-30 20:57:48,641 WARN L178 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 41 [2018-09-30 20:57:49,890 WARN L178 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 41 [2018-09-30 20:57:52,152 WARN L178 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 390 DAG size of output: 70 [2018-09-30 20:57:54,436 WARN L178 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 391 DAG size of output: 70 [2018-09-30 20:57:56,622 WARN L178 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 418 DAG size of output: 83 [2018-09-30 20:58:00,530 WARN L178 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 427 DAG size of output: 119 [2018-09-30 20:58:03,651 WARN L178 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 430 DAG size of output: 117 [2018-09-30 20:58:05,340 WARN L178 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 310 DAG size of output: 69 [2018-09-30 20:58:07,021 WARN L178 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 313 DAG size of output: 72 [2018-09-30 20:58:07,510 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-09-30 20:58:08,077 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2018-09-30 20:58:08,091 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:08,514 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2018-09-30 20:58:09,637 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2018-09-30 20:58:10,024 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2018-09-30 20:58:11,280 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-09-30 20:58:11,614 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-30 20:58:11,918 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2018-09-30 20:58:12,744 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2018-09-30 20:58:13,291 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 51 [2018-09-30 20:58:13,789 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-30 20:58:14,092 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 57 [2018-09-30 20:58:14,326 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-09-30 20:58:14,595 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2018-09-30 20:58:15,240 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-30 20:58:15,643 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-09-30 20:58:16,080 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2018-09-30 20:58:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:18,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 47 states and 177 transitions. [2018-09-30 20:58:18,023 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 177 transitions. [2018-09-30 20:58:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:58:18,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:20,819 WARN L178 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 33 [2018-09-30 20:58:21,646 WARN L178 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 32 [2018-09-30 20:58:22,919 WARN L178 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 49 [2018-09-30 20:58:25,216 WARN L178 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 69 [2018-09-30 20:58:27,939 WARN L178 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 313 DAG size of output: 85 [2018-09-30 20:58:30,032 WARN L178 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 331 DAG size of output: 86 [2018-09-30 20:58:32,337 WARN L178 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 362 DAG size of output: 107 [2018-09-30 20:58:34,518 WARN L178 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 360 DAG size of output: 102 [2018-09-30 20:58:36,529 WARN L178 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 295 DAG size of output: 95 [2018-09-30 20:58:38,575 WARN L178 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 295 DAG size of output: 97 [2018-09-30 20:58:39,120 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 31 [2018-09-30 20:58:39,628 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 25 [2018-09-30 20:58:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:40,566 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-09-30 20:58:40,942 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-09-30 20:58:41,146 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 36 [2018-09-30 20:58:41,955 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-09-30 20:58:42,313 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-30 20:58:42,739 WARN L178 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2018-09-30 20:58:43,656 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2018-09-30 20:58:44,008 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-09-30 20:58:44,429 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2018-09-30 20:58:45,842 WARN L178 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-09-30 20:58:46,724 WARN L178 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2018-09-30 20:58:47,076 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2018-09-30 20:58:47,678 WARN L178 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-09-30 20:58:48,052 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2018-09-30 20:58:49,081 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-30 20:58:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 53 states and 198 transitions. [2018-09-30 20:58:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 198 transitions. [2018-09-30 20:58:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:58:49,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:52,223 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2018-09-30 20:58:52,961 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2018-09-30 20:58:55,217 WARN L178 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 336 DAG size of output: 53 [2018-09-30 20:58:59,159 WARN L178 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 478 DAG size of output: 89 [2018-09-30 20:59:03,580 WARN L178 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 614 DAG size of output: 110 [2018-09-30 20:59:07,110 WARN L178 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 470 DAG size of output: 59 [2018-09-30 20:59:10,379 WARN L178 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 347 DAG size of output: 76 [2018-09-30 20:59:12,791 WARN L178 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 348 DAG size of output: 68 [2018-09-30 20:59:14,114 WARN L178 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 61 [2018-09-30 20:59:15,183 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-09-30 20:59:15,714 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 29 [2018-09-30 20:59:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:17,364 WARN L178 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-09-30 20:59:18,173 WARN L178 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2018-09-30 20:59:18,854 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-09-30 20:59:19,480 WARN L178 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2018-09-30 20:59:19,815 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-30 20:59:20,146 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-30 20:59:20,524 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 26 [2018-09-30 20:59:21,350 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2018-09-30 20:59:21,599 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-09-30 20:59:22,921 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-30 20:59:23,279 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-30 20:59:23,498 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2018-09-30 20:59:24,027 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2018-09-30 20:59:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 58 states and 220 transitions. [2018-09-30 20:59:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 220 transitions. [2018-09-30 20:59:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:59:24,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:28,533 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2018-09-30 20:59:28,840 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2018-09-30 20:59:29,874 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2018-09-30 20:59:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 60 states and 223 transitions. [2018-09-30 20:59:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 223 transitions. [2018-09-30 20:59:30,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 20:59:30,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:36,465 WARN L178 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 480 DAG size of output: 33 [2018-09-30 20:59:41,688 WARN L178 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 556 DAG size of output: 46 [2018-09-30 20:59:48,939 WARN L178 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 628 DAG size of output: 86 [2018-09-30 20:59:55,967 WARN L178 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 626 DAG size of output: 85 [2018-09-30 21:00:03,704 WARN L178 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 606 DAG size of output: 68 [2018-09-30 21:00:14,810 WARN L178 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 722 DAG size of output: 99 [2018-09-30 21:00:21,820 WARN L178 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 630 DAG size of output: 96 [2018-09-30 21:00:29,204 WARN L178 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 632 DAG size of output: 100 [2018-09-30 21:00:33,906 WARN L178 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 537 DAG size of output: 89 [2018-09-30 21:00:38,931 WARN L178 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 542 DAG size of output: 90 [2018-09-30 21:00:45,120 WARN L178 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 526 DAG size of output: 76 [2018-09-30 21:00:50,867 WARN L178 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 535 DAG size of output: 79 [2018-09-30 21:00:52,341 WARN L178 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2018-09-30 21:00:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:53,640 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-30 21:00:54,101 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-30 21:00:54,520 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2018-09-30 21:00:55,147 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2018-09-30 21:00:55,525 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-09-30 21:00:57,022 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 47 [2018-09-30 21:00:57,541 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-09-30 21:00:57,828 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 46 [2018-09-30 21:00:59,355 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-09-30 21:00:59,647 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 40 [2018-09-30 21:01:00,820 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-09-30 21:01:01,225 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2018-09-30 21:01:01,746 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-09-30 21:01:02,079 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2018-09-30 21:01:02,666 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2018-09-30 21:01:03,276 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-09-30 21:01:03,846 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-09-30 21:01:04,303 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-09-30 21:01:04,617 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2018-09-30 21:01:05,746 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-30 21:01:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:06,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 17 states and 46 transitions. [2018-09-30 21:01:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 46 transitions. [2018-09-30 21:01:06,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 21:01:06,126 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 0 iterations. [2018-09-30 21:01:06,136 INFO L776 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-09-30 21:01:06,161 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.09 09:01:06 ImpRootNode [2018-09-30 21:01:06,161 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-30 21:01:06,163 INFO L168 Benchmark]: Toolchain (without parser) took 236665.12 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 329.3 MB). Free memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: -223.2 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:06,164 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-09-30 21:01:06,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.22 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. [2018-09-30 21:01:06,165 INFO L168 Benchmark]: Boogie Preprocessor took 33.38 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. [2018-09-30 21:01:06,165 INFO L168 Benchmark]: RCFGBuilder took 1766.90 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. [2018-09-30 21:01:06,172 INFO L168 Benchmark]: CodeCheck took 234813.26 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 329.3 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -286.7 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:06,176 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, 234.7s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21096 SDtfs, 20540 SDslu, 0 SDs, 0 SdLazy, 151262 SolverSat, 34106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.5s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 168.9s 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')) || (((((((((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 0.21 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 45.22 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 33.38 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 1766.90 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 234813.26 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 329.3 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -286.7 MB). Peak memory consumption was 42.6 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-0-2018-09-30_21-01-06-194.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-0-2018-09-30_21-01-06-194.csv Received shutdown request...