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/MonadicInvariant01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:16:45,827 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:16:45,831 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:16:45,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:16:45,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:16:45,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:16:45,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:16:45,851 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:16:45,853 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:16:45,854 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:16:45,855 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:16:45,855 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:16:45,856 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:16:45,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:16:45,859 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:16:45,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:16:45,860 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:16:45,862 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:16:45,865 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:16:45,867 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:16:45,868 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:16:45,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:16:45,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:16:45,873 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:16:45,873 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:16:45,874 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:16:45,875 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:16:45,876 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:16:45,877 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:16:45,881 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:16:45,881 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:16:45,882 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:16:45,882 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:16:45,883 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:16:45,884 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:16:45,885 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:16:45,885 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 09:16:45,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:16:45,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:16:45,909 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:16:45,910 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:16:45,910 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:16:45,910 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:16:45,910 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:16:45,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:16:45,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:16:46,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:16:46,005 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:16:46,006 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:16:46,006 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/MonadicInvariant01.bpl [2018-09-26 09:16:46,007 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/MonadicInvariant01.bpl' [2018-09-26 09:16:46,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:16:46,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:16:46,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:16:46,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:16:46,066 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:16:46,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... [2018-09-26 09:16:46,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... [2018-09-26 09:16:46,107 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:16:46,107 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:16:46,107 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:16:46,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:16:46,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:16:46,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:16:46,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:16:46,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... [2018-09-26 09:16:46,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... [2018-09-26 09:16:46,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... [2018-09-26 09:16:46,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... [2018-09-26 09:16:46,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... [2018-09-26 09:16:46,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... [2018-09-26 09:16:46,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... [2018-09-26 09:16:46,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:16:46,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:16:46,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:16:46,135 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:16:46,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory: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 09:16:46,213 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 09:16:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 09:16:46,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 09:16:46,463 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:16:46,464 INFO L202 PluginConnector]: Adding new model MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:16:46 BoogieIcfgContainer [2018-09-26 09:16:46,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:16:46,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:16:46,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:16:46,469 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:16:46,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:46" (1/2) ... [2018-09-26 09:16:46,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352e3ffc and model type MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:16:46, skipping insertion in model container [2018-09-26 09:16:46,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:16:46" (2/2) ... [2018-09-26 09:16:46,473 INFO L112 eAbstractionObserver]: Analyzing ICFG MonadicInvariant01.bpl [2018-09-26 09:16:46,484 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:16:46,492 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:16:46,539 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:16:46,540 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:16:46,540 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:16:46,541 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:16:46,541 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:16:46,541 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:16:46,541 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:16:46,541 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:16:46,542 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:16:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 09:16:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:16:46,566 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:16:46,567 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:16:46,568 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:16:46,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:16:46,574 INFO L82 PathProgramCache]: Analyzing trace with hash 29920, 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 09:16:46,599 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:16:46,921 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:16:46,922 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:16:46,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:16:46,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:16:46,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:16:46,934 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-09-26 09:16:47,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:16:47,009 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-09-26 09:16:47,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 09:16:47,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 09:16:47,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:16:47,022 INFO L225 Difference]: With dead ends: 9 [2018-09-26 09:16:47,023 INFO L226 Difference]: Without dead ends: 6 [2018-09-26 09:16:47,026 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:16:47,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-09-26 09:16:47,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-09-26 09:16:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-09-26 09:16:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 09:16:47,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 3 [2018-09-26 09:16:47,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:16:47,062 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-09-26 09:16:47,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:16:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 09:16:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 09:16:47,063 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:16:47,063 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-09-26 09:16:47,063 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:16:47,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:16:47,064 INFO L82 PathProgramCache]: Analyzing trace with hash 28754210, 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 09:16:47,078 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:16:48,114 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-26 09:16:48,753 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-09-26 09:16:49,390 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-26 09:16:49,872 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-09-26 09:16:53,511 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-09-26 09:16:55,663 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-09-26 09:16:56,028 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-09-26 09:16:59,430 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 09:17:00,294 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 09:17:01,060 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-26 09:17:01,580 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 09:17:02,237 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 09:17:02,827 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-26 09:17:03,633 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-26 09:17:04,304 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 09:17:05,642 WARN L178 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-26 09:17:06,451 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 09:17:07,162 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-09-26 09:17:08,159 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-09-26 09:17:09,456 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-26 09:17:10,408 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 09:17:11,336 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-09-26 09:17:12,358 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-26 09:17:13,278 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-26 09:17:14,286 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-26 09:17:15,338 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-09-26 09:17:16,490 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-09-26 09:17:17,551 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 09:17:18,721 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-09-26 09:17:19,835 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-26 09:17:21,204 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-09-26 09:17:22,441 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-26 09:17:23,873 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-09-26 09:17:25,526 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-09-26 09:17:27,222 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-09-26 09:17:28,555 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-09-26 09:17:30,136 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-26 09:17:31,643 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-09-26 09:17:33,346 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-26 09:17:34,993 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-26 09:17:36,963 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-09-26 09:17:38,687 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-26 09:17:40,742 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2018-09-26 09:17:42,579 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 09:17:44,635 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-09-26 09:17:46,474 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-26 09:17:48,661 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-09-26 09:17:50,778 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-09-26 09:17:53,169 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-09-26 09:17:55,452 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-09-26 09:17:58,085 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-26 09:18:00,256 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 09:18:02,954 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-09-26 09:18:05,411 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-09-26 09:18:08,367 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-26 09:18:10,952 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-09-26 09:18:13,845 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-09-26 09:18:16,510 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-09-26 09:18:19,796 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2018-09-26 09:18:22,724 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 09:18:25,971 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2018-09-26 09:18:28,972 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-26 09:18:32,457 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-09-26 09:18:35,664 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2018-09-26 09:18:39,562 WARN L178 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-09-26 09:18:42,877 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2018-09-26 09:18:46,747 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-26 09:18:50,280 WARN L178 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-09-26 09:18:54,449 WARN L178 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-09-26 09:18:58,034 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-26 09:19:02,361 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2018-09-26 09:19:06,324 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-09-26 09:19:10,770 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2018-09-26 09:19:14,851 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2018-09-26 09:19:19,711 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-09-26 09:19:24,209 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-26 09:19:28,886 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-09-26 09:19:33,581 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-26 09:19:38,739 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2018-09-26 09:19:43,291 WARN L178 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-09-26 09:19:48,551 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2018-09-26 09:19:53,281 WARN L178 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-09-26 09:19:58,406 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-09-26 09:20:03,195 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-09-26 09:20:08,669 WARN L178 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-26 09:20:13,777 WARN L178 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-09-26 09:20:19,363 WARN L178 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-09-26 09:20:24,697 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-09-26 09:20:30,887 WARN L178 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2018-09-26 09:20:36,558 WARN L178 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-26 09:20:42,826 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2018-09-26 09:20:48,579 WARN L178 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 09:20:55,170 WARN L178 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2018-09-26 09:21:01,172 WARN L178 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-09-26 09:21:07,881 WARN L178 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-09-26 09:21:14,098 WARN L178 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2018-09-26 09:21:21,140 WARN L178 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 378 Received shutdown request... [2018-09-26 09:21:25,967 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:25,968 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:21:25,973 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:21:25,974 INFO L202 PluginConnector]: Adding new model MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:21:25 BoogieIcfgContainer [2018-09-26 09:21:25,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:21:25,975 INFO L168 Benchmark]: Toolchain (without parser) took 279914.03 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -188.7 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 169.2 MB). Peak memory consumption was 403.0 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:25,976 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:21:25,976 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:21:25,977 INFO L168 Benchmark]: Boogie Preprocessor took 23.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:21:25,977 INFO L168 Benchmark]: RCFGBuilder took 329.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 09:21:25,978 INFO L168 Benchmark]: TraceAbstraction took 279508.11 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -188.7 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.1 MB). Peak memory consumption was 381.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:25,982 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 329.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 279508.11 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -188.7 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.1 MB). Peak memory consumption was 381.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 25]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 25). Cancelled while BasicCegarLoop was analyzing trace of length 6 with TraceHistMax 2, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 279.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=1, 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: 0.2s 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/MonadicInvariant01.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-21-26-002.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/MonadicInvariant01.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-21-26-002.csv Completed graceful shutdown