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/DivisibilityInterpolantRequired02-ForwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:12:09,049 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:12:09,053 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:12:09,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:12:09,072 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:12:09,075 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:12:09,077 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:12:09,079 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:12:09,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:12:09,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:12:09,088 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:12:09,088 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:12:09,092 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:12:09,094 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:12:09,095 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:12:09,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:12:09,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:12:09,101 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:12:09,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:12:09,106 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:12:09,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:12:09,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:12:09,114 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:12:09,115 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:12:09,115 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:12:09,117 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:12:09,118 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:12:09,121 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:12:09,122 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:12:09,123 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:12:09,123 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:12:09,125 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:12:09,125 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:12:09,125 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:12:09,126 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:12:09,127 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:12:09,128 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 09:12:09,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:12:09,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:12:09,145 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:12:09,145 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:12:09,145 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:12:09,145 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:12:09,146 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:12:09,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:12:09,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:12:09,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:12:09,226 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:12:09,226 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:12:09,227 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl [2018-09-26 09:12:09,227 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl' [2018-09-26 09:12:09,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:12:09,268 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:12:09,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:12:09,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:12:09,269 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:12:09,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/1) ... [2018-09-26 09:12:09,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/1) ... [2018-09-26 09:12:09,305 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:12:09,305 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:12:09,306 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:12:09,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:12:09,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:12:09,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:12:09,309 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:12:09,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/1) ... [2018-09-26 09:12:09,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/1) ... [2018-09-26 09:12:09,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/1) ... [2018-09-26 09:12:09,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/1) ... [2018-09-26 09:12:09,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/1) ... [2018-09-26 09:12:09,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/1) ... [2018-09-26 09:12:09,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/1) ... [2018-09-26 09:12:09,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:12:09,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:12:09,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:12:09,333 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:12:09,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (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 09:12:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-09-26 09:12:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-09-26 09:12:09,616 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:12:09,616 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:12:09 BoogieIcfgContainer [2018-09-26 09:12:09,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:12:09,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:12:09,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:12:09,621 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:12:09,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:12:09" (1/2) ... [2018-09-26 09:12:09,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d830a3 and model type DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:12:09, skipping insertion in model container [2018-09-26 09:12:09,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:12:09" (2/2) ... [2018-09-26 09:12:09,625 INFO L112 eAbstractionObserver]: Analyzing ICFG DivisibilityInterpolantRequired02-ForwardSuccess.bpl [2018-09-26 09:12:09,635 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:12:09,643 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:12:09,686 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:12:09,687 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:12:09,687 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:12:09,687 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:12:09,687 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:12:09,688 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:12:09,688 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:12:09,688 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:12:09,688 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:12:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-09-26 09:12:09,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 09:12:09,711 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:12:09,712 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-26 09:12:09,713 INFO L423 AbstractCegarLoop]: === Iteration 1 === [procErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:12:09,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:12:09,720 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 09:12:09,743 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:12:09,817 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:12:09,817 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 09:12:09,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:12:09,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:12:09,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:12:09,829 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-09-26 09:12:09,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:12:09,903 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-09-26 09:12:09,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:12:09,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-26 09:12:09,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:12:09,922 INFO L225 Difference]: With dead ends: 6 [2018-09-26 09:12:09,923 INFO L226 Difference]: Without dead ends: 4 [2018-09-26 09:12:09,928 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 09:12:09,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-09-26 09:12:09,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-09-26 09:12:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-09-26 09:12:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-26 09:12:09,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-09-26 09:12:09,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:12:09,986 INFO L480 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-09-26 09:12:09,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:12:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-26 09:12:09,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:12:09,987 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:12:09,987 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:12:09,987 INFO L423 AbstractCegarLoop]: === Iteration 2 === [procErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:12:09,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:12:09,988 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 09:12:10,014 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:12:24,160 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-26 09:12:25,987 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 09:12:26,713 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-09-26 09:12:27,472 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-26 09:12:28,279 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-26 09:12:29,163 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 09:12:30,149 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 09:12:31,024 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-26 09:12:31,939 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-26 09:12:32,926 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-09-26 09:12:33,904 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 09:12:35,123 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2018-09-26 09:12:36,198 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-09-26 09:12:37,309 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-26 09:12:38,530 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-09-26 09:12:39,883 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 09:12:41,162 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-09-26 09:12:42,440 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-09-26 09:12:43,804 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-09-26 09:12:45,271 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-26 09:12:46,723 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-26 09:12:48,252 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-09-26 09:12:49,898 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 09:12:51,491 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-09-26 09:12:53,138 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-26 09:12:54,892 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-09-26 09:12:56,692 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2018-09-26 09:12:58,549 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-09-26 09:13:00,472 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 09:13:02,577 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-26 09:13:04,610 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-09-26 09:13:06,761 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-09-26 09:13:08,966 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-26 09:13:11,247 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-09-26 09:13:13,551 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 09:13:15,992 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2018-09-26 09:13:18,621 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-09-26 09:13:21,367 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2018-09-26 09:13:23,974 WARN L178 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-26 09:13:26,672 WARN L178 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-26 09:13:29,377 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-09-26 09:13:32,464 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-09-26 09:13:35,383 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-09-26 09:13:38,348 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-09-26 09:13:41,465 WARN L178 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-26 09:13:44,638 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-09-26 09:13:48,102 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-26 09:13:51,446 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-09-26 09:13:54,871 WARN L178 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-09-26 09:13:58,604 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-09-26 09:14:02,264 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2018-09-26 09:14:06,010 WARN L178 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-09-26 09:14:09,797 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-09-26 09:14:13,931 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-26 09:14:18,010 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-09-26 09:14:22,204 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-09-26 09:14:26,507 WARN L178 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2018-09-26 09:14:30,800 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2018-09-26 09:14:35,150 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 09:14:39,914 WARN L178 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-09-26 09:14:44,807 WARN L178 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-26 09:14:49,639 WARN L178 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2018-09-26 09:14:54,522 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-09-26 09:14:59,467 WARN L178 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-26 09:15:04,638 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-09-26 09:15:09,846 WARN L178 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-09-26 09:15:15,203 WARN L178 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2018-09-26 09:15:20,907 WARN L178 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-09-26 09:15:26,609 WARN L178 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-09-26 09:15:32,317 WARN L178 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-09-26 09:15:38,160 WARN L178 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-09-26 09:15:44,184 WARN L178 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2018-09-26 09:15:50,432 WARN L178 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2018-09-26 09:15:56,933 WARN L178 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-09-26 09:16:03,322 WARN L178 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-09-26 09:16:09,898 WARN L178 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-09-26 09:16:16,737 WARN L178 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2018-09-26 09:16:23,741 WARN L178 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2018-09-26 09:16:30,826 WARN L178 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-09-26 09:16:38,212 WARN L178 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-09-26 09:16:45,681 WARN L178 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 451 Received shutdown request... [2018-09-26 09:16:49,531 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:16:49,532 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:16:49,537 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:16:49,538 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:16:49 BoogieIcfgContainer [2018-09-26 09:16:49,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:16:49,538 INFO L168 Benchmark]: Toolchain (without parser) took 280273.38 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -297.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 308.7 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2018-09-26 09:16:49,540 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 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 09:16:49,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.17 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 09:16:49,541 INFO L168 Benchmark]: Boogie Preprocessor took 23.01 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 09:16:49,542 INFO L168 Benchmark]: RCFGBuilder took 284.39 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 09:16:49,542 INFO L168 Benchmark]: TraceAbstraction took 279920.03 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -297.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 287.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:16:49,546 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 0.16 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 40.17 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 23.01 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 284.39 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 279920.03 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -297.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 287.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 19). Cancelled while BasicCegarLoop was analyzing trace of length 4 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 279.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s 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/DivisibilityInterpolantRequired02-ForwardSuccess.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-16-49-561.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired02-ForwardSuccess.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-16-49-561.csv Completed graceful shutdown