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/jm2006_variant.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:47:44,012 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:47:44,015 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:47:44,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:47:44,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:47:44,029 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:47:44,031 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:47:44,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:47:44,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:47:44,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:47:44,036 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:47:44,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:47:44,037 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:47:44,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:47:44,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:47:44,040 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:47:44,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:47:44,043 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:47:44,045 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:47:44,047 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:47:44,048 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:47:44,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:47:44,052 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:47:44,052 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:47:44,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:47:44,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:47:44,054 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:47:44,055 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:47:44,056 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:47:44,057 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:47:44,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:47:44,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:47:44,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:47:44,059 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:47:44,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:47:44,060 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:47:44,061 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 14:47:44,069 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:47:44,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:47:44,071 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:47:44,071 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:47:44,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:47:44,072 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:47:44,072 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:47:44,072 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:47:44,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:47:44,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:47:44,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:47:44,147 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:47:44,147 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:47:44,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jm2006_variant.c.i_3.bpl [2018-07-25 14:47:44,149 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jm2006_variant.c.i_3.bpl' [2018-07-25 14:47:44,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:47:44,221 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:47:44,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:47:44,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:47:44,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:47:44,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:47:44,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:47:44,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:47:44,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:47:44,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:47:44,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:47:44,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:47:44,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:47:44,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/1) ... [2018-07-25 14:47:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:47:44,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:47:44,546 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:47:44,547 INFO L202 PluginConnector]: Adding new model jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:47:44 BoogieIcfgContainer [2018-07-25 14:47:44,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:47:44,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:47:44,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:47:44,552 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:47:44,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:44" (1/2) ... [2018-07-25 14:47:44,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342e2324 and model type jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:47:44, skipping insertion in model container [2018-07-25 14:47:44,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:47:44" (2/2) ... [2018-07-25 14:47:44,557 INFO L112 eAbstractionObserver]: Analyzing ICFG jm2006_variant.c.i_3.bpl [2018-07-25 14:47:44,568 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:47:44,577 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:47:44,631 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:47:44,632 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:47:44,632 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:47:44,633 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:47:44,633 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:47:44,633 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:47:44,633 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:47:44,634 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:47:44,634 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:47:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:47:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:47:44,670 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:47:44,671 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:47:44,673 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:47:44,679 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 14:47:44,687 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:47:44,822 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:47:44,822 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:47:44,827 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:47:44,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:47:44,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:47:44,837 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 14:47:44,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:47:44,863 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:47:44,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:47:44,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 14:47:44,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:47:44,877 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:47:44,877 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:47:44,881 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 14:47:44,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:47:44,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:47:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:47:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:47:44,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:47:44,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:47:44,924 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:47:44,924 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:47:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:47:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:47:44,925 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:47:44,926 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:47:44,926 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:47:44,926 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 14:47:44,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:48:15,283 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-25 14:48:18,714 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-07-25 14:48:22,480 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-07-25 14:48:26,300 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-07-25 14:48:29,987 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2018-07-25 14:48:34,056 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2018-07-25 14:48:38,091 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-07-25 14:48:52,103 WARN L169 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2018-07-25 14:49:03,482 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2018-07-25 14:49:09,541 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-07-25 14:49:16,034 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2018-07-25 14:49:23,044 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2018-07-25 14:49:30,379 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2018-07-25 14:49:38,290 WARN L169 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-07-25 14:49:46,562 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2018-07-25 14:49:55,377 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2018-07-25 14:50:04,909 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2018-07-25 14:50:14,876 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2018-07-25 14:50:25,409 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2018-07-25 14:50:36,804 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2018-07-25 14:50:48,685 WARN L169 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2018-07-25 14:51:01,201 WARN L169 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2018-07-25 14:51:14,768 WARN L169 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2018-07-25 14:51:28,621 WARN L169 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 631 [2018-07-25 14:51:43,281 WARN L169 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2018-07-25 14:51:58,502 WARN L169 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 653 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown