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-smtinterpol.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:43:01,156 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:43:01,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:43:01,175 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:43:01,176 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:43:01,177 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:43:01,178 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:43:01,180 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:43:01,182 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:43:01,183 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:43:01,184 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:43:01,184 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:43:01,185 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:43:01,186 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:43:01,188 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:43:01,188 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:43:01,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:43:01,192 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:43:01,194 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:43:01,195 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:43:01,197 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:43:01,198 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:43:01,200 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:43:01,201 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:43:01,201 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:43:01,202 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:43:01,203 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:43:01,204 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:43:01,205 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:43:01,206 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:43:01,206 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:43:01,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:43:01,207 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:43:01,208 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:43:01,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:43:01,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:43:01,210 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 14:43:01,220 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:43:01,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:43:01,222 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:43:01,222 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:43:01,222 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:43:01,222 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:43:01,222 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:43:01,223 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:43:01,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:43:01,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:43:01,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:43:01,289 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:43:01,290 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:43:01,290 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005.c.i_3.bpl [2018-07-25 14:43:01,291 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005.c.i_3.bpl' [2018-07-25 14:43:01,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:43:01,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:43:01,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:43:01,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:43:01,340 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:43:01,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:43:01,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:43:01,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:43:01,385 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:43:01,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:43:01,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:43:01,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:43:01,408 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:43:01,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/1) ... [2018-07-25 14:43:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:43:01,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:43:01,659 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:43:01,660 INFO L202 PluginConnector]: Adding new model cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:43:01 BoogieIcfgContainer [2018-07-25 14:43:01,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:43:01,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:43:01,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:43:01,667 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:43:01,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:43:01" (1/2) ... [2018-07-25 14:43:01,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfa3142 and model type cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:43:01, skipping insertion in model container [2018-07-25 14:43:01,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:43:01" (2/2) ... [2018-07-25 14:43:01,672 INFO L112 eAbstractionObserver]: Analyzing ICFG cggmp2005.c.i_3.bpl [2018-07-25 14:43:01,683 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:43:01,693 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:43:01,751 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:43:01,752 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:43:01,753 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:43:01,753 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:43:01,753 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:43:01,754 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:43:01,754 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:43:01,754 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:43:01,754 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:43:01,775 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:43:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:43:01,786 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:43:01,787 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:43:01,789 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:43:01,794 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 14:43:01,802 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:43:01,914 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:43:01,914 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:43:01,920 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:43:01,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:43:01,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:43:01,929 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 14:43:01,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:43:01,959 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:43:01,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:43:01,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 14:43:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:43:01,972 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:43:01,972 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:43:01,977 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:43:01,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:43:02,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:43:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:43:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:43:02,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:43:02,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:43:02,017 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:43:02,017 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:43:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:43:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:43:02,018 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:43:02,019 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:43:02,019 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:43:02,020 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 14:43:02,020 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:43:28,160 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-07-25 14:43:33,414 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-07-25 14:43:36,838 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-07-25 14:43:40,515 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-25 14:43:44,270 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2018-07-25 14:43:55,785 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-07-25 14:44:00,263 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-07-25 14:44:04,981 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-07-25 14:44:10,018 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2018-07-25 14:44:15,523 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-07-25 14:44:21,289 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2018-07-25 14:44:27,481 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-07-25 14:44:34,050 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2018-07-25 14:44:41,133 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-25 14:44:48,722 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-07-25 14:44:56,751 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2018-07-25 14:45:05,238 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2018-07-25 14:45:14,498 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2018-07-25 14:45:24,164 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2018-07-25 14:45:34,417 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 14:45:45,263 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2018-07-25 14:45:56,780 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2018-07-25 14:46:08,973 WARN L169 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2018-07-25 14:46:21,825 WARN L169 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2018-07-25 14:46:35,358 WARN L169 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2018-07-25 14:46:49,796 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2018-07-25 14:47:04,932 WARN L169 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2018-07-25 14:47:21,086 WARN L169 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 649 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown