java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:40:31,274 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:40:31,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:40:31,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:40:31,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:40:31,291 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:40:31,293 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:40:31,295 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:40:31,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:40:31,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:40:31,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:40:31,307 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:40:31,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:40:31,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:40:31,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:40:31,314 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:40:31,316 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:40:31,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:40:31,323 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:40:31,325 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:40:31,327 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:40:31,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:40:31,335 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:40:31,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:40:31,336 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:40:31,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:40:31,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:40:31,339 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:40:31,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:40:31,342 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:40:31,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:40:31,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:40:31,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:40:31,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:40:31,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:40:31,349 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:40:31,349 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:40:31,363 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:40:31,364 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:40:31,365 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:40:31,365 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:40:31,365 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:40:31,365 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:40:31,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:40:31,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:40:31,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:40:31,438 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:40:31,438 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:40:31,439 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl [2018-07-25 09:40:31,439 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl' [2018-07-25 09:40:31,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:40:31,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:40:31,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:40:31,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:40:31,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:40:31,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... [2018-07-25 09:40:31,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... [2018-07-25 09:40:31,522 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:40:31,522 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:40:31,522 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:40:31,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:40:31,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:40:31,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:40:31,526 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:40:31,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... [2018-07-25 09:40:31,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... [2018-07-25 09:40:31,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... [2018-07-25 09:40:31,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... [2018-07-25 09:40:31,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... [2018-07-25 09:40:31,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... [2018-07-25 09:40:31,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... [2018-07-25 09:40:31,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:40:31,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:40:31,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:40:31,547 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:40:31,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 09:40:31,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 09:40:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 09:40:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 09:40:31,857 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:40:31,860 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:40:31 BoogieIcfgContainer [2018-07-25 09:40:31,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:40:31,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:40:31,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:40:31,866 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:40:31,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:31" (1/2) ... [2018-07-25 09:40:31,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40816618 and model type HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:40:31, skipping insertion in model container [2018-07-25 09:40:31,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:40:31" (2/2) ... [2018-07-25 09:40:31,870 INFO L112 eAbstractionObserver]: Analyzing ICFG HiddenEquality-Safe.bpl [2018-07-25 09:40:31,882 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:40:31,892 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:40:31,943 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:40:31,944 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:40:31,944 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:40:31,944 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:40:31,945 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:40:31,945 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:40:31,945 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:40:31,945 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:40:31,945 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:40:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-25 09:40:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 09:40:31,973 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:40:31,974 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 09:40:31,975 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:40:31,981 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-07-25 09:40:31,988 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:40:32,195 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:40:32,196 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 09:40:32,201 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:40:32,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:40:32,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 09:40:32,211 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-25 09:40:32,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:40:32,280 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-07-25 09:40:32,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:40:32,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 09:40:32,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:40:32,293 INFO L225 Difference]: With dead ends: 6 [2018-07-25 09:40:32,293 INFO L226 Difference]: Without dead ends: 4 [2018-07-25 09:40:32,297 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 09:40:32,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-07-25 09:40:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-07-25 09:40:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-07-25 09:40:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-07-25 09:40:32,329 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-07-25 09:40:32,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:40:32,330 INFO L472 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-07-25 09:40:32,330 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:40:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-07-25 09:40:32,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 09:40:32,330 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:40:32,331 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 09:40:32,331 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:40:32,331 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, now seen corresponding path program 1 times [2018-07-25 09:40:32,331 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:40:33,772 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-07-25 09:40:38,269 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-07-25 09:40:39,351 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-07-25 09:40:39,945 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-07-25 09:40:40,446 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-07-25 09:40:41,004 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-25 09:40:41,538 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-25 09:40:42,127 WARN L169 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-07-25 09:40:42,728 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 09:40:43,565 WARN L169 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-25 09:40:44,342 WARN L169 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-07-25 09:40:45,031 WARN L169 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-07-25 09:40:45,753 WARN L169 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-07-25 09:40:47,081 WARN L169 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-07-25 09:40:48,410 WARN L169 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-07-25 09:40:49,955 WARN L169 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-25 09:40:50,985 WARN L169 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-07-25 09:40:51,964 WARN L169 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-07-25 09:40:53,301 WARN L169 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-07-25 09:40:54,626 WARN L169 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-07-25 09:40:55,843 WARN L169 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-07-25 09:40:57,063 WARN L169 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-07-25 09:40:58,294 WARN L169 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-07-25 09:40:59,840 WARN L169 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-07-25 09:41:01,224 WARN L169 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-07-25 09:41:02,645 WARN L169 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-25 09:41:04,247 WARN L169 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-07-25 09:41:05,805 WARN L169 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-07-25 09:41:07,422 WARN L169 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2018-07-25 09:41:09,159 WARN L169 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2018-07-25 09:41:10,893 WARN L169 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-07-25 09:41:12,725 WARN L169 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-07-25 09:41:14,703 WARN L169 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-07-25 09:41:16,654 WARN L169 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2018-07-25 09:41:18,683 WARN L169 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-07-25 09:41:20,884 WARN L169 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-07-25 09:41:23,059 WARN L169 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-07-25 09:41:25,344 WARN L169 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-07-25 09:41:27,716 WARN L169 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-07-25 09:41:30,289 WARN L169 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-25 09:41:32,826 WARN L169 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-07-25 09:41:35,455 WARN L169 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-07-25 09:41:38,157 WARN L169 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-25 09:41:41,000 WARN L169 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-07-25 09:41:43,862 WARN L169 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2018-07-25 09:41:46,980 WARN L169 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-25 09:41:50,082 WARN L169 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-07-25 09:41:53,313 WARN L169 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-07-25 09:41:56,688 WARN L169 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-07-25 09:42:00,104 WARN L169 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2018-07-25 09:42:03,585 WARN L169 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-07-25 09:42:07,401 WARN L169 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-07-25 09:42:11,141 WARN L169 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-07-25 09:42:14,914 WARN L169 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-07-25 09:42:18,776 WARN L169 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2018-07-25 09:42:23,054 WARN L169 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-25 09:42:27,240 WARN L169 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-07-25 09:42:31,557 WARN L169 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2018-07-25 09:42:35,898 WARN L169 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-07-25 09:42:40,368 WARN L169 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2018-07-25 09:42:44,985 WARN L169 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-07-25 09:42:49,773 WARN L169 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-07-25 09:42:54,662 WARN L169 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2018-07-25 09:42:59,744 WARN L169 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-07-25 09:43:04,918 WARN L169 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-25 09:43:10,195 WARN L169 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-07-25 09:43:15,597 WARN L169 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-07-25 09:43:21,198 WARN L169 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-07-25 09:43:27,055 WARN L169 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2018-07-25 09:43:32,930 WARN L169 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2018-07-25 09:43:39,024 WARN L169 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-07-25 09:43:45,338 WARN L169 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-07-25 09:43:51,644 WARN L169 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2018-07-25 09:43:58,141 WARN L169 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2018-07-25 09:44:04,755 WARN L169 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2018-07-25 09:44:11,584 WARN L169 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 09:44:18,445 WARN L169 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 567 [2018-07-25 09:44:25,519 WARN L169 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 573 [2018-07-25 09:44:32,735 WARN L169 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 579 [2018-07-25 09:44:40,312 WARN L169 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 585 [2018-07-25 09:44:48,306 WARN L169 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 591 [2018-07-25 09:44:56,147 WARN L169 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 597 [2018-07-25 09:45:04,111 WARN L169 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 603 Received shutdown request... [2018-07-25 09:45:09,691 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:45:09,696 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:45:09,697 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:45:09 BoogieIcfgContainer [2018-07-25 09:45:09,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:45:09,698 INFO L168 Benchmark]: Toolchain (without parser) took 278213.99 ms. Allocated memory was 1.6 GB in the beginning and 1.2 GB in the end (delta: -331.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 417.4 MB). Peak memory consumption was 260.4 MB. Max. memory is 7.1 GB. [2018-07-25 09:45:09,699 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:45:09,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.62 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:45:09,700 INFO L168 Benchmark]: Boogie Preprocessor took 20.89 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:45:09,701 INFO L168 Benchmark]: RCFGBuilder took 313.33 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:45:09,701 INFO L168 Benchmark]: TraceAbstraction took 277835.72 ms. Allocated memory was 1.6 GB in the beginning and 1.2 GB in the end (delta: -331.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 396.3 MB). Peak memory consumption was 239.2 MB. Max. memory is 7.1 GB. [2018-07-25 09:45:09,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.62 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.89 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 313.33 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 277835.72 ms. Allocated memory was 1.6 GB in the beginning and 1.2 GB in the end (delta: -331.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 396.3 MB). Peak memory consumption was 239.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 29]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 29). Cancelled while BasicCegarLoop was analyzing trace of length 4 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 302 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 277.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEquality-Safe.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-45-09-717.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEquality-Safe.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-45-09-717.csv Completed graceful shutdown