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/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:14:56,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:14:56,211 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:14:56,229 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:14:56,229 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:14:56,230 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:14:56,231 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:14:56,233 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:14:56,235 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:14:56,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:14:56,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:14:56,237 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:14:56,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:14:56,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:14:56,240 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:14:56,241 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:14:56,242 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:14:56,243 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:14:56,245 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:14:56,247 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:14:56,248 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:14:56,249 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:14:56,251 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:14:56,251 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:14:56,251 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:14:56,252 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:14:56,255 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:14:56,257 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:14:56,258 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:14:56,259 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:14:56,259 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:14:56,260 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:14:56,260 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:14:56,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:14:56,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:14:56,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:14:56,266 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:14:56,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:14:56,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:14:56,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:14:56,281 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:14:56,281 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:14:56,281 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:14:56,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:14:56,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:14:56,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:14:56,354 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:14:56,355 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:14:56,355 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl [2018-07-25 09:14:56,356 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl' [2018-07-25 09:14:56,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:14:56,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:14:56,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:14:56,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:14:56,402 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:14:56,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/1) ... [2018-07-25 09:14:56,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/1) ... [2018-07-25 09:14:56,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:14:56,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:14:56,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:14:56,447 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:14:56,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/1) ... [2018-07-25 09:14:56,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/1) ... [2018-07-25 09:14:56,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/1) ... [2018-07-25 09:14:56,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/1) ... [2018-07-25 09:14:56,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/1) ... [2018-07-25 09:14:56,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/1) ... [2018-07-25 09:14:56,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/1) ... [2018-07-25 09:14:56,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:14:56,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:14:56,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:14:56,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:14:56,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (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 09:14:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:14:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:14:56,838 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:14:56,839 INFO L202 PluginConnector]: Adding new model count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:14:56 BoogieIcfgContainer [2018-07-25 09:14:56,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:14:56,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:14:56,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:14:56,843 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:14:56,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:56" (1/2) ... [2018-07-25 09:14:56,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe67a9d and model type count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:14:56, skipping insertion in model container [2018-07-25 09:14:56,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:14:56" (2/2) ... [2018-07-25 09:14:56,847 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_nondet.i_3.bpl [2018-07-25 09:14:56,857 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:14:56,865 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:14:56,909 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:14:56,909 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:14:56,910 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:14:56,910 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:14:56,910 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:14:56,910 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:14:56,911 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:14:56,911 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:14:56,911 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:14:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 09:14:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:14:56,934 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:14:56,935 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:14:56,936 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:14:56,941 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 09:14:56,947 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:14:57,204 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:14:57,205 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:14:57,212 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:14:57,217 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:14:57,218 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:14:57,220 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 09:14:57,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:14:57,246 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 09:14:57,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:14:57,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 09:14:57,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:14:57,259 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:14:57,259 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 09:14:57,263 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:14:57,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 09:14:57,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 09:14:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:14:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 09:14:57,297 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 09:14:57,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:14:57,297 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 09:14:57,297 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:14:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 09:14:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:14:57,298 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:14:57,298 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 09:14:57,300 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:14:57,300 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 09:14:57,300 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:14:57,647 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-07-25 09:14:57,947 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 21 [2018-07-25 09:14:58,479 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2018-07-25 09:14:59,108 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-07-25 09:14:59,356 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-07-25 09:14:59,994 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-07-25 09:15:00,593 WARN L169 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2018-07-25 09:15:00,878 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-07-25 09:15:01,735 WARN L169 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-25 09:15:03,940 WARN L169 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-25 09:15:08,518 WARN L169 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-07-25 09:15:16,352 WARN L169 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 198 [2018-07-25 09:15:19,318 WARN L169 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2018-07-25 09:15:33,738 WARN L169 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 229 [2018-07-25 09:16:24,516 WARN L169 SmtUtils]: Spent 23.54 s on a formula simplification that was a NOOP. DAG size: 262 [2018-07-25 09:17:12,812 WARN L169 SmtUtils]: Spent 8.60 s on a formula simplification that was a NOOP. DAG size: 297 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown