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-z3.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:12:22,765 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:12:22,767 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:12:22,779 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:12:22,779 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:12:22,780 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:12:22,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:12:22,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:12:22,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:12:22,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:12:22,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:12:22,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:12:22,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:12:22,789 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:12:22,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:12:22,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:12:22,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:12:22,794 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:12:22,796 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:12:22,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:12:22,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:12:22,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:12:22,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:12:22,803 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:12:22,803 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:12:22,804 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:12:22,805 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:12:22,806 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:12:22,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:12:22,808 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:12:22,808 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:12:22,809 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:12:22,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:12:22,809 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:12:22,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:12:22,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:12:22,811 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 09:12:22,820 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:12:22,821 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:12:22,822 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:12:22,822 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:12:22,822 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:12:22,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:12:22,823 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:12:22,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:12:22,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:12:22,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:12:22,903 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:12:22,904 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:12:22,904 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl [2018-09-26 09:12:22,905 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl' [2018-09-26 09:12:22,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:12:22,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:12:22,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:12:22,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:12:22,949 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:12:22,972 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 09:12:22" (1/1) ... [2018-09-26 09:12:22,983 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 09:12:22" (1/1) ... [2018-09-26 09:12:22,987 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:12:22,987 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:12:22,988 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:12:22,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:12:22,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:12:22,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:12:22,991 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:12:23,002 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 09:12:22" (1/1) ... [2018-09-26 09:12:23,002 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 09:12:22" (1/1) ... [2018-09-26 09:12:23,002 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 09:12:22" (1/1) ... [2018-09-26 09:12:23,003 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 09:12:22" (1/1) ... [2018-09-26 09:12:23,005 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 09:12:22" (1/1) ... [2018-09-26 09:12:23,009 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 09:12:22" (1/1) ... [2018-09-26 09:12:23,010 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 09:12:22" (1/1) ... [2018-09-26 09:12:23,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:12:23,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:12:23,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:12:23,012 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:12:23,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:22" (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 [2018-09-26 09:12:23,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 09:12:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 09:12:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 09:12:23,300 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:12:23,301 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:12:23 BoogieIcfgContainer [2018-09-26 09:12:23,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:12:23,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:12:23,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:12:23,306 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:12:23,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:22" (1/2) ... [2018-09-26 09:12:23,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbeb7f6 and model type HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:12:23, skipping insertion in model container [2018-09-26 09:12:23,308 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 09:12:23" (2/2) ... [2018-09-26 09:12:23,314 INFO L112 eAbstractionObserver]: Analyzing ICFG HiddenEquality-Safe.bpl [2018-09-26 09:12:23,327 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:12:23,340 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:12:23,398 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:12:23,399 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:12:23,400 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:12:23,400 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:12:23,400 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:12:23,400 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:12:23,400 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:12:23,401 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:12:23,401 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:12:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-09-26 09:12:23,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 09:12:23,428 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:12:23,429 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-26 09:12:23,431 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:12:23,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:12:23,438 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:12:23,469 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:12:23,613 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:12:23,613 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 09:12:23,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:12:23,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:12:23,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:12:23,624 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-09-26 09:12:23,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:12:23,687 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-09-26 09:12:23,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:12:23,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-26 09:12:23,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:12:23,700 INFO L225 Difference]: With dead ends: 6 [2018-09-26 09:12:23,701 INFO L226 Difference]: Without dead ends: 4 [2018-09-26 09:12:23,704 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 09:12:23,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-09-26 09:12:23,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-09-26 09:12:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-09-26 09:12:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-26 09:12:23,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-09-26 09:12:23,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:12:23,741 INFO L480 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-09-26 09:12:23,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:12:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-26 09:12:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:12:23,742 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:12:23,742 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:12:23,742 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:12:23,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:12:23,743 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:12:23,754 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:12:24,418 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-26 09:12:29,347 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-26 09:12:30,279 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 09:12:31,045 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 09:12:31,643 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-26 09:12:32,138 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 09:12:32,696 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 09:12:33,261 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-26 09:12:33,882 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-09-26 09:12:34,587 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-26 09:12:35,416 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-09-26 09:12:36,177 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 09:12:36,914 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-26 09:12:37,681 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-26 09:12:39,141 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-09-26 09:12:40,607 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-09-26 09:12:42,145 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-09-26 09:12:43,211 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-26 09:12:44,431 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-26 09:12:45,684 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 09:12:46,939 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-26 09:12:48,165 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-09-26 09:12:49,377 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-09-26 09:12:50,887 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 09:12:52,205 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-09-26 09:12:53,612 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-09-26 09:12:55,122 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-09-26 09:12:56,664 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 09:12:58,265 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-26 09:12:59,978 WARN L178 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2018-09-26 09:13:01,700 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2018-09-26 09:13:03,486 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-09-26 09:13:05,422 WARN L178 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-26 09:13:07,381 WARN L178 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-09-26 09:13:09,364 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2018-09-26 09:13:11,564 WARN L178 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-26 09:13:13,716 WARN L178 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-26 09:13:16,021 WARN L178 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-09-26 09:13:18,303 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-09-26 09:13:20,755 WARN L178 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-09-26 09:13:23,276 WARN L178 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-09-26 09:13:25,963 WARN L178 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-09-26 09:13:28,639 WARN L178 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-26 09:13:31,452 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 09:13:34,336 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-09-26 09:13:37,420 WARN L178 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2018-09-26 09:13:40,489 WARN L178 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-09-26 09:13:43,623 WARN L178 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-09-26 09:13:46,903 WARN L178 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-09-26 09:13:50,276 WARN L178 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-09-26 09:13:53,814 WARN L178 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2018-09-26 09:13:57,416 WARN L178 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-09-26 09:14:01,075 WARN L178 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-09-26 09:14:04,868 WARN L178 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-09-26 09:14:08,942 WARN L178 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-09-26 09:14:12,943 WARN L178 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2018-09-26 09:14:17,205 WARN L178 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-09-26 09:14:21,530 WARN L178 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-09-26 09:14:25,869 WARN L178 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2018-09-26 09:14:30,352 WARN L178 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-09-26 09:14:35,159 WARN L178 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2018-09-26 09:14:40,203 WARN L178 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-09-26 09:14:45,257 WARN L178 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-09-26 09:14:50,531 WARN L178 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2018-09-26 09:14:55,794 WARN L178 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-09-26 09:15:01,130 WARN L178 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-09-26 09:15:06,586 WARN L178 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-09-26 09:15:12,107 WARN L178 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-09-26 09:15:17,904 WARN L178 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-09-26 09:15:23,949 WARN L178 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2018-09-26 09:15:30,074 WARN L178 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2018-09-26 09:15:36,479 WARN L178 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-09-26 09:15:42,806 WARN L178 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-09-26 09:15:49,302 WARN L178 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2018-09-26 09:15:56,131 WARN L178 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2018-09-26 09:16:03,123 WARN L178 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2018-09-26 09:16:10,258 WARN L178 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 561 [2018-09-26 09:16:17,605 WARN L178 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 567 [2018-09-26 09:16:25,088 WARN L178 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 573 [2018-09-26 09:16:32,626 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 579 [2018-09-26 09:16:40,510 WARN L178 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 585 [2018-09-26 09:16:48,609 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 591 [2018-09-26 09:16:56,645 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 597 Received shutdown request... [2018-09-26 09:17:01,075 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:17:01,076 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:17:01,082 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:17:01,082 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:17:01 BoogieIcfgContainer [2018-09-26 09:17:01,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:17:01,083 INFO L168 Benchmark]: Toolchain (without parser) took 278138.22 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -337.6 MB). Free memory was 1.5 GB in the beginning and 881.9 MB in the end (delta: 577.0 MB). Peak memory consumption was 239.4 MB. Max. memory is 7.1 GB. [2018-09-26 09:17:01,085 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 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 09:17:01,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.76 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 09:17:01,086 INFO L168 Benchmark]: Boogie Preprocessor took 20.54 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 09:17:01,086 INFO L168 Benchmark]: RCFGBuilder took 289.90 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:17:01,087 INFO L168 Benchmark]: TraceAbstraction took 277780.14 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -337.6 MB). Free memory was 1.4 GB in the beginning and 881.9 MB in the end (delta: 555.9 MB). Peak memory consumption was 218.2 MB. Max. memory is 7.1 GB. [2018-09-26 09:17:01,092 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 0.13 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 41.76 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 20.54 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 289.90 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 277780.14 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -337.6 MB). Free memory was 1.4 GB in the beginning and 881.9 MB in the end (delta: 555.9 MB). Peak memory consumption was 218.2 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 297 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 277.6s 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, 0.0s 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-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-17-01-103.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEquality-Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-17-01-103.csv Completed graceful shutdown