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 -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:49:38,259 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:49:38,261 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:49:38,274 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:49:38,275 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:49:38,276 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:49:38,277 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:49:38,279 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:49:38,281 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:49:38,282 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:49:38,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:49:38,283 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:49:38,284 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:49:38,285 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:49:38,286 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:49:38,287 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:49:38,288 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:49:38,290 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:49:38,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:49:38,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:49:38,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:49:38,296 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:49:38,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:49:38,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:49:38,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:49:38,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:49:38,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:49:38,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:49:38,303 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:49:38,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:49:38,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:49:38,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:49:38,308 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:49:38,308 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:49:38,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:49:38,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:49:38,312 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:49:38,328 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:49:38,328 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:49:38,330 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:49:38,331 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:49:38,331 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:49:38,331 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:49:38,331 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:49:38,332 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:49:38,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:49:38,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:49:38,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:49:38,408 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:49:38,409 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:49:38,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl [2018-09-26 09:49:38,410 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl' [2018-09-26 09:49:38,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:49:38,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:49:38,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:49:38,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:49:38,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:49:38,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,514 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:49:38,514 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:49:38,515 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:49:38,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:49:38,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:49:38,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:49:38,519 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:49:38,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:49:38,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:49:38,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:49:38,544 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:49:38,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/1) ... [2018-09-26 09:49:38,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 09:49:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 09:49:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 09:49:38,803 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:49:38,804 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:49:38 BoogieIcfgContainer [2018-09-26 09:49:38,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:49:38,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:49:38,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:49:38,810 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:49:38,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:38" (1/2) ... [2018-09-26 09:49:38,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f17e9cc and model type HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:49:38, skipping insertion in model container [2018-09-26 09:49:38,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:49:38" (2/2) ... [2018-09-26 09:49:38,816 INFO L112 eAbstractionObserver]: Analyzing ICFG HiddenEquality-Safe.bpl [2018-09-26 09:49:38,828 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:49:38,843 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:49:38,892 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:49:38,893 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:49:38,894 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:49:38,894 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:49:38,894 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:49:38,894 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:49:38,895 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:49:38,895 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:49:38,895 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:49:38,911 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-09-26 09:49:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 09:49:38,921 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:49:38,922 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-26 09:49:38,923 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:49:38,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:49:38,933 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-09-26 09:49:38,941 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:49:39,027 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:49:39,028 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 09:49:39,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:49:39,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:49:39,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:49:39,044 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-09-26 09:49:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:49:39,080 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-09-26 09:49:39,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:49:39,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-26 09:49:39,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:49:39,096 INFO L225 Difference]: With dead ends: 6 [2018-09-26 09:49:39,096 INFO L226 Difference]: Without dead ends: 4 [2018-09-26 09:49:39,102 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:49:39,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-09-26 09:49:39,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-09-26 09:49:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-09-26 09:49:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-26 09:49:39,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-09-26 09:49:39,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:49:39,142 INFO L480 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-09-26 09:49:39,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:49:39,143 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-26 09:49:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:49:39,143 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:49:39,143 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:49:39,144 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:49:39,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:49:39,144 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, now seen corresponding path program 1 times [2018-09-26 09:49:39,145 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:50:51,579 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-09-26 09:50:57,570 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-09-26 09:51:00,727 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-09-26 09:51:03,972 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2018-09-26 09:51:07,388 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-09-26 09:51:10,842 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-09-26 09:51:14,421 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-09-26 09:51:18,113 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-09-26 09:51:21,954 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-09-26 09:51:25,912 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2018-09-26 09:51:29,991 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2018-09-26 09:51:34,192 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-09-26 09:51:38,527 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-09-26 09:51:42,968 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2018-09-26 09:51:47,559 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2018-09-26 09:51:52,277 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2018-09-26 09:51:57,140 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-09-26 09:52:02,151 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 567 [2018-09-26 09:52:07,340 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2018-09-26 09:52:12,659 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2018-09-26 09:52:18,269 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2018-09-26 09:52:24,142 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2018-09-26 09:52:30,009 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 597 [2018-09-26 09:52:35,989 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2018-09-26 09:52:42,588 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2018-09-26 09:52:49,535 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2018-09-26 09:52:56,533 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 623 [2018-09-26 09:53:03,457 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2018-09-26 09:53:10,302 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 637 [2018-09-26 09:53:17,314 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2018-09-26 09:53:24,479 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 651 [2018-09-26 09:53:31,877 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 658 [2018-09-26 09:53:39,424 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2018-09-26 09:53:47,191 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2018-09-26 09:53:55,222 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2018-09-26 09:54:03,398 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 686 Received shutdown request... [2018-09-26 09:54:08,857 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:54:08,861 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:54:08,862 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:54:08 BoogieIcfgContainer [2018-09-26 09:54:08,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:54:08,863 INFO L168 Benchmark]: Toolchain (without parser) took 270398.09 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -239.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 324.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2018-09-26 09:54:08,864 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:54:08,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.60 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 09:54:08,865 INFO L168 Benchmark]: Boogie Preprocessor took 24.59 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 09:54:08,866 INFO L168 Benchmark]: RCFGBuilder took 261.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:54:08,867 INFO L168 Benchmark]: TraceAbstraction took 270056.03 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -239.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 314.4 MB). Peak memory consumption was 75.3 MB. Max. memory is 7.1 GB. [2018-09-26 09:54:08,871 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.60 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 24.59 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 261.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 270056.03 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -239.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 314.4 MB). Peak memory consumption was 75.3 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 Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 269.9s 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, 0 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, 0.0s 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: 0.0s 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-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-54-08-884.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEquality-Safe.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-54-08-884.csv Completed graceful shutdown