java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:10:16,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:10:16,180 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:10:16,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:10:16,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:10:16,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:10:16,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:10:16,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:10:16,203 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:10:16,204 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:10:16,205 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:10:16,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:10:16,206 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:10:16,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:10:16,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:10:16,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:10:16,210 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:10:16,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:10:16,213 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:10:16,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:10:16,216 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:10:16,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:10:16,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:10:16,220 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:10:16,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:10:16,222 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:10:16,223 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:10:16,224 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:10:16,225 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:10:16,226 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:10:16,226 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:10:16,227 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:10:16,227 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:10:16,227 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:10:16,228 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:10:16,229 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:10:16,229 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:10:16,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:10:16,238 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:10:16,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:10:16,239 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:10:16,239 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:10:16,240 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:10:16,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:10:16,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:10:16,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:10:16,327 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:10:16,327 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:10:16,328 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-07-25 09:10:16,328 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-07-25 09:10:16,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:10:16,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:10:16,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:10:16,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:10:16,385 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:10:16,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/1) ... [2018-07-25 09:10:16,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/1) ... [2018-07-25 09:10:16,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:10:16,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:10:16,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:10:16,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:10:16,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/1) ... [2018-07-25 09:10:16,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/1) ... [2018-07-25 09:10:16,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/1) ... [2018-07-25 09:10:16,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/1) ... [2018-07-25 09:10:16,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/1) ... [2018-07-25 09:10:16,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/1) ... [2018-07-25 09:10:16,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/1) ... [2018-07-25 09:10:16,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:10:16,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:10:16,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:10:16,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:10:16,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (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 [2018-07-25 09:10:16,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-25 09:10:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:10:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:10:16,786 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:10:16,787 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:10:16 BoogieIcfgContainer [2018-07-25 09:10:16,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:10:16,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:10:16,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:10:16,794 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:10:16,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:16" (1/2) ... [2018-07-25 09:10:16,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a327c2b and model type nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:10:16, skipping insertion in model container [2018-07-25 09:10:16,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:10:16" (2/2) ... [2018-07-25 09:10:16,797 INFO L112 eAbstractionObserver]: Analyzing ICFG nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-07-25 09:10:16,812 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:10:16,823 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:10:16,870 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:10:16,871 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:10:16,871 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:10:16,871 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:10:16,871 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:10:16,872 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:10:16,872 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:10:16,872 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:10:16,872 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:10:16,887 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 09:10:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 09:10:16,895 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:10:16,897 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 09:10:16,898 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:10:16,903 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-07-25 09:10:16,910 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:10:17,132 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 11 [2018-07-25 09:10:17,232 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:10:17,233 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:10:17,236 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:10:17,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:10:17,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:10:17,245 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-25 09:10:17,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:10:17,296 INFO L93 Difference]: Finished difference Result 10 states and 15 transitions. [2018-07-25 09:10:17,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:10:17,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-25 09:10:17,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:10:17,310 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:10:17,311 INFO L226 Difference]: Without dead ends: 6 [2018-07-25 09:10:17,314 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:10:17,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-25 09:10:17,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-25 09:10:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-25 09:10:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-07-25 09:10:17,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-07-25 09:10:17,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:10:17,347 INFO L472 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-07-25 09:10:17,347 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:10:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-07-25 09:10:17,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 09:10:17,348 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:10:17,348 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 09:10:17,349 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:10:17,349 INFO L82 PathProgramCache]: Analyzing trace with hash 28854189, now seen corresponding path program 1 times [2018-07-25 09:10:17,349 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:10:17,604 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:10:17,604 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:10:17,605 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 09:10:17,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 09:10:17,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 09:10:17,606 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2018-07-25 09:10:17,923 WARN L169 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2018-07-25 09:10:17,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:10:17,994 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2018-07-25 09:10:17,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 09:10:17,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-07-25 09:10:17,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:10:17,996 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:10:17,996 INFO L226 Difference]: Without dead ends: 8 [2018-07-25 09:10:17,997 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-25 09:10:17,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-25 09:10:18,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-25 09:10:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:10:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2018-07-25 09:10:18,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 9 transitions. Word has length 5 [2018-07-25 09:10:18,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:10:18,002 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 9 transitions. [2018-07-25 09:10:18,002 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 09:10:18,002 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-07-25 09:10:18,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:10:18,002 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:10:18,003 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:10:18,003 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:10:18,003 INFO L82 PathProgramCache]: Analyzing trace with hash 894431694, now seen corresponding path program 1 times [2018-07-25 09:10:18,003 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:10:18,748 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-07-25 09:10:19,304 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-07-25 09:10:19,915 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-07-25 09:10:20,195 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-07-25 09:10:20,521 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-07-25 09:10:20,945 WARN L169 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-07-25 09:10:21,314 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-07-25 09:10:21,784 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-07-25 09:10:22,749 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-07-25 09:10:23,198 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-07-25 09:10:23,672 WARN L169 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-07-25 09:10:24,212 WARN L169 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-07-25 09:10:24,930 WARN L169 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-07-25 09:10:25,754 WARN L169 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-07-25 09:10:26,471 WARN L169 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-07-25 09:10:27,092 WARN L169 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-07-25 09:10:27,733 WARN L169 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-07-25 09:10:28,552 WARN L169 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-07-25 09:10:29,294 WARN L169 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-07-25 09:10:30,393 WARN L169 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-07-25 09:10:31,325 WARN L169 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-07-25 09:10:32,232 WARN L169 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-07-25 09:10:33,211 WARN L169 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-07-25 09:10:34,208 WARN L169 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-07-25 09:10:35,308 WARN L169 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-07-25 09:10:36,788 WARN L169 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-07-25 09:10:38,342 WARN L169 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-07-25 09:10:40,122 WARN L169 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-07-25 09:10:41,947 WARN L169 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-07-25 09:10:43,189 WARN L169 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-25 09:10:45,118 WARN L169 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-07-25 09:10:46,660 WARN L169 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-07-25 09:10:48,110 WARN L169 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-25 09:10:49,602 WARN L169 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-07-25 09:10:51,199 WARN L169 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-25 09:10:52,867 WARN L169 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-07-25 09:10:54,560 WARN L169 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-25 09:10:56,312 WARN L169 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-07-25 09:10:58,106 WARN L169 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-07-25 09:11:00,013 WARN L169 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-07-25 09:11:01,991 WARN L169 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-25 09:11:04,976 WARN L169 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-25 09:11:07,164 WARN L169 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-07-25 09:11:09,301 WARN L169 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-07-25 09:11:11,528 WARN L169 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-07-25 09:11:13,883 WARN L169 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-07-25 09:11:16,336 WARN L169 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-07-25 09:11:18,794 WARN L169 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 09:11:21,343 WARN L169 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-25 09:11:24,026 WARN L169 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-07-25 09:11:26,784 WARN L169 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-25 09:11:29,591 WARN L169 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-07-25 09:11:34,238 WARN L169 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-07-25 09:11:37,303 WARN L169 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-07-25 09:11:40,452 WARN L169 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-07-25 09:11:43,721 WARN L169 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-07-25 09:11:47,027 WARN L169 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-07-25 09:11:50,401 WARN L169 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-07-25 09:11:54,233 WARN L169 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-07-25 09:11:57,926 WARN L169 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-07-25 09:12:01,731 WARN L169 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-07-25 09:12:05,642 WARN L169 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-07-25 09:12:09,577 WARN L169 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-07-25 09:12:16,210 WARN L169 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-07-25 09:12:20,604 WARN L169 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-07-25 09:12:25,023 WARN L169 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-25 09:12:29,593 WARN L169 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-07-25 09:12:34,389 WARN L169 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 205 [2018-07-25 09:12:39,228 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 207 [2018-07-25 09:12:44,195 WARN L169 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 209 [2018-07-25 09:12:49,253 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 211 [2018-07-25 09:12:54,456 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 213 [2018-07-25 09:12:59,774 WARN L169 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 215 [2018-07-25 09:13:05,335 WARN L169 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 217 [2018-07-25 09:13:14,689 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 222 [2018-07-25 09:13:20,721 WARN L169 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 224 [2018-07-25 09:13:26,717 WARN L169 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 226 [2018-07-25 09:13:33,079 WARN L169 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 228 [2018-07-25 09:13:39,362 WARN L169 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 230 [2018-07-25 09:13:45,888 WARN L169 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 232 [2018-07-25 09:13:52,653 WARN L169 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 234 [2018-07-25 09:13:59,458 WARN L169 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 236 [2018-07-25 09:14:06,419 WARN L169 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 238 [2018-07-25 09:14:13,817 WARN L169 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 240 [2018-07-25 09:14:21,111 WARN L169 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 242 [2018-07-25 09:14:34,103 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 247 [2018-07-25 09:14:41,957 WARN L169 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 249 [2018-07-25 09:14:50,069 WARN L169 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 251 Received shutdown request... [2018-07-25 09:14:54,642 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:14:54,645 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:14:54,646 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:14:54 BoogieIcfgContainer [2018-07-25 09:14:54,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:14:54,647 INFO L168 Benchmark]: Toolchain (without parser) took 278263.56 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 100.7 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -111.3 MB). Peak memory consumption was 708.5 MB. Max. memory is 7.1 GB. [2018-07-25 09:14:54,648 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:14:54,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.17 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:14:54,649 INFO L168 Benchmark]: Boogie Preprocessor took 21.78 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:14:54,650 INFO L168 Benchmark]: RCFGBuilder took 338.72 ms. Allocated memory is still 1.6 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. [2018-07-25 09:14:54,650 INFO L168 Benchmark]: TraceAbstraction took 277855.50 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 100.7 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -132.4 MB). Peak memory consumption was 687.3 MB. Max. memory is 7.1 GB. [2018-07-25 09:14:54,654 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 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.17 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.78 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 338.72 ms. Allocated memory is still 1.6 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 277855.50 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 100.7 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -132.4 MB). Peak memory consumption was 687.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 35]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 35). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 277.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 11 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=2, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s 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/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-14-54-666.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-14-54-666.csv Completed graceful shutdown