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/doubleLoopUniformIterations.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:19:02,371 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:19:02,373 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:19:02,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:19:02,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:19:02,392 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:19:02,394 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:19:02,395 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:19:02,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:19:02,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:19:02,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:19:02,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:19:02,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:19:02,401 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:19:02,402 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:19:02,403 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:19:02,404 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:19:02,406 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:19:02,408 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:19:02,409 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:19:02,411 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:19:02,412 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:19:02,414 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-26 09:19:02,423 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 09:19:02,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:19:02,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:19:02,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:19:02,436 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:19:02,437 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:19:02,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:19:02,437 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:19:02,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:19:02,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:19:02,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:19:02,525 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:19:02,526 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:19:02,526 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl [2018-09-26 09:19:02,527 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl' [2018-09-26 09:19:02,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:19:02,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:19:02,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:19:02,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:19:02,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:19:02,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/1) ... [2018-09-26 09:19:02,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/1) ... [2018-09-26 09:19:02,625 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:19:02,625 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:19:02,625 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:19:02,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:19:02,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:19:02,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:19:02,629 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:19:02,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/1) ... [2018-09-26 09:19:02,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/1) ... [2018-09-26 09:19:02,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/1) ... [2018-09-26 09:19:02,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/1) ... [2018-09-26 09:19:02,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/1) ... [2018-09-26 09:19:02,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/1) ... [2018-09-26 09:19:02,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/1) ... [2018-09-26 09:19:02,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:19:02,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:19:02,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:19:02,656 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:19:02,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (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 09:19:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2018-09-26 09:19:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2018-09-26 09:19:02,941 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:19:02,941 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:19:02 BoogieIcfgContainer [2018-09-26 09:19:02,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:19:02,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:19:02,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:19:02,947 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:19:02,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:19:02" (1/2) ... [2018-09-26 09:19:02,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2eb7a2 and model type doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:19:02, skipping insertion in model container [2018-09-26 09:19:02,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:19:02" (2/2) ... [2018-09-26 09:19:02,951 INFO L112 eAbstractionObserver]: Analyzing ICFG doubleLoopUniformIterations.bpl [2018-09-26 09:19:02,961 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:19:02,969 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-09-26 09:19:03,018 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:19:03,019 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:19:03,019 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:19:03,019 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:19:03,020 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:19:03,020 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:19:03,020 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:19:03,020 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:19:03,020 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:19:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-09-26 09:19:03,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:19:03,045 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:19:03,046 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:19:03,048 INFO L423 AbstractCegarLoop]: === Iteration 1 === [MainErr0ASSERT_VIOLATIONASSERT, MainErr1ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:19:03,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:19:03,054 INFO L82 PathProgramCache]: Analyzing trace with hash 926725, 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 09:19:03,081 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:19:03,176 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:19:03,176 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:19:03,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:19:03,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:19:03,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:19:03,189 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-09-26 09:19:03,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:19:03,312 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2018-09-26 09:19:03,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:19:03,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:19:03,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:19:03,329 INFO L225 Difference]: With dead ends: 15 [2018-09-26 09:19:03,329 INFO L226 Difference]: Without dead ends: 8 [2018-09-26 09:19:03,333 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 09:19:03,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-26 09:19:03,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-09-26 09:19:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-09-26 09:19:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2018-09-26 09:19:03,376 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 10 transitions. Word has length 4 [2018-09-26 09:19:03,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:19:03,377 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 10 transitions. [2018-09-26 09:19:03,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:19:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-09-26 09:19:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 09:19:03,377 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:19:03,378 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 09:19:03,378 INFO L423 AbstractCegarLoop]: === Iteration 2 === [MainErr0ASSERT_VIOLATIONASSERT, MainErr1ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:19:03,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:19:03,379 INFO L82 PathProgramCache]: Analyzing trace with hash 28728519, 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 09:19:03,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:19:03,591 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:19:03,592 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:19:03,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:19:03,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:19:03,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:19:03,594 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand 4 states. [2018-09-26 09:19:03,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:19:03,631 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-26 09:19:03,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:19:03,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-09-26 09:19:03,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:19:03,632 INFO L225 Difference]: With dead ends: 11 [2018-09-26 09:19:03,632 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:19:03,634 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:19:03,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:19:03,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:19:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:19:03,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2018-09-26 09:19:03,638 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2018-09-26 09:19:03,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:19:03,638 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-09-26 09:19:03,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:19:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-26 09:19:03,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:19:03,639 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:19:03,639 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 09:19:03,640 INFO L423 AbstractCegarLoop]: === Iteration 3 === [MainErr0ASSERT_VIOLATIONASSERT, MainErr1ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:19:03,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:19:03,640 INFO L82 PathProgramCache]: Analyzing trace with hash 891297133, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:19:03,649 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:19:05,520 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-09-26 09:19:09,439 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-26 09:19:10,028 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 09:19:10,510 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-09-26 09:19:10,990 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-09-26 09:19:11,613 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-09-26 09:19:12,191 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-26 09:19:12,867 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-26 09:19:13,549 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-09-26 09:19:14,545 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-09-26 09:19:15,335 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2018-09-26 09:19:16,150 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-09-26 09:19:17,049 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-26 09:19:18,084 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-26 09:19:19,106 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-09-26 09:19:20,832 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-09-26 09:19:22,932 WARN L178 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-09-26 09:19:24,569 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2018-09-26 09:19:25,789 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-26 09:19:27,078 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-26 09:19:28,358 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-09-26 09:19:29,790 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-26 09:19:31,404 WARN L178 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2018-09-26 09:19:32,879 WARN L178 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-09-26 09:19:34,570 WARN L178 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-26 09:19:36,236 WARN L178 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-09-26 09:19:37,969 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-09-26 09:19:39,841 WARN L178 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-09-26 09:19:41,738 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-09-26 09:19:43,739 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-09-26 09:19:45,958 WARN L178 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-09-26 09:19:48,071 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-26 09:19:50,416 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2018-09-26 09:19:52,700 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-09-26 09:19:55,239 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-09-26 09:19:57,776 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-09-26 09:20:00,450 WARN L178 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-09-26 09:20:03,146 WARN L178 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 425 [2018-09-26 09:20:05,959 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-09-26 09:20:08,862 WARN L178 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-09-26 09:20:12,132 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2018-09-26 09:20:15,227 WARN L178 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2018-09-26 09:20:18,502 WARN L178 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2018-09-26 09:20:21,903 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-09-26 09:20:25,447 WARN L178 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 481 [2018-09-26 09:20:29,011 WARN L178 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-09-26 09:20:32,932 WARN L178 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2018-09-26 09:20:36,774 WARN L178 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2018-09-26 09:20:40,884 WARN L178 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-09-26 09:20:44,923 WARN L178 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-09-26 09:20:49,190 WARN L178 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2018-09-26 09:20:53,668 WARN L178 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-09-26 09:20:58,146 WARN L178 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2018-09-26 09:21:02,725 WARN L178 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2018-09-26 09:21:07,500 WARN L178 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-09-26 09:21:12,442 WARN L178 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2018-09-26 09:21:17,680 WARN L178 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2018-09-26 09:21:22,827 WARN L178 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2018-09-26 09:21:28,239 WARN L178 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2018-09-26 09:21:33,704 WARN L178 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2018-09-26 09:21:39,301 WARN L178 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2018-09-26 09:21:45,049 WARN L178 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-09-26 09:21:51,020 WARN L178 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2018-09-26 09:21:57,257 WARN L178 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2018-09-26 09:22:03,580 WARN L178 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2018-09-26 09:22:10,113 WARN L178 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 649 [2018-09-26 09:22:16,694 WARN L178 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2018-09-26 09:22:23,543 WARN L178 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2018-09-26 09:22:30,431 WARN L178 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2018-09-26 09:22:37,575 WARN L178 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2018-09-26 09:22:45,063 WARN L178 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 689 [2018-09-26 09:22:52,620 WARN L178 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 697 [2018-09-26 09:23:00,290 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 705 [2018-09-26 09:23:08,145 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 713 [2018-09-26 09:23:16,422 WARN L178 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 721 [2018-09-26 09:23:24,767 WARN L178 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 729 [2018-09-26 09:23:33,248 WARN L178 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 737 Received shutdown request... [2018-09-26 09:23:41,529 WARN L186 SmtUtils]: Removed 23 from assertion stack [2018-09-26 09:23:41,731 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:23:41,731 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:23:41,737 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:23:41,737 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:23:41 BoogieIcfgContainer [2018-09-26 09:23:41,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:23:41,739 INFO L168 Benchmark]: Toolchain (without parser) took 279161.84 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -331.9 MB). Free memory was 1.5 GB in the beginning and 971.0 MB in the end (delta: 506.8 MB). Peak memory consumption was 262.2 MB. Max. memory is 7.1 GB. [2018-09-26 09:23:41,740 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 09:23:41,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.63 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 09:23:41,741 INFO L168 Benchmark]: Boogie Preprocessor took 26.35 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 09:23:41,741 INFO L168 Benchmark]: RCFGBuilder took 286.22 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:23:41,742 INFO L168 Benchmark]: TraceAbstraction took 278794.75 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -331.9 MB). Free memory was 1.5 GB in the beginning and 971.0 MB in the end (delta: 485.7 MB). Peak memory consumption was 241.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:23:41,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.63 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 26.35 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 286.22 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 278794.75 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -331.9 MB). Free memory was 1.5 GB in the beginning and 971.0 MB in the end (delta: 485.7 MB). Peak memory consumption was 241.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 23). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 745. - TimeoutResultAtElement [Line: 24]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 24). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 745. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 2 error locations. TIMEOUT Result, 278.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 2 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/doubleLoopUniformIterations.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-23-41-759.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/doubleLoopUniformIterations.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-23-41-759.csv Completed graceful shutdown