java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_05.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 15:33:50,051 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 15:33:50,053 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 15:33:50,070 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 15:33:50,070 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 15:33:50,071 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 15:33:50,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 15:33:50,076 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 15:33:50,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 15:33:50,079 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 15:33:50,081 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 15:33:50,124 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-03 15:33:50,144 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 15:33:50,144 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 15:33:50,145 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 15:33:50,145 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 15:33:50,145 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 15:33:50,146 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 15:33:50,146 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 15:33:50,146 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 15:33:50,146 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 15:33:50,147 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 15:33:50,147 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 15:33:50,147 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 15:33:50,147 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 15:33:50,147 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 15:33:50,148 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 15:33:50,149 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 15:33:50,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 15:33:50,149 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 15:33:50,149 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 15:33:50,151 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 15:33:50,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 15:33:50,152 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 15:33:50,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 15:33:50,152 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 15:33:50,152 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 15:33:50,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 15:33:50,153 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 15:33:50,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 15:33:50,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 15:33:50,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 15:33:50,154 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 15:33:50,154 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 15:33:50,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 15:33:50,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 15:33:50,155 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 15:33:50,155 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 15:33:50,155 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 15:33:50,155 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 15:33:50,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 15:33:50,155 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 15:33:50,156 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 15:33:50,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 15:33:50,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 15:33:50,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 15:33:50,219 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 15:33:50,220 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 15:33:50,221 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_05.i_5.bpl [2018-12-03 15:33:50,221 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_05.i_5.bpl' [2018-12-03 15:33:50,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 15:33:50,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 15:33:50,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 15:33:50,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 15:33:50,268 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 15:33:50,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/1) ... [2018-12-03 15:33:50,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/1) ... [2018-12-03 15:33:50,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 15:33:50,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 15:33:50,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 15:33:50,308 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 15:33:50,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/1) ... [2018-12-03 15:33:50,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/1) ... [2018-12-03 15:33:50,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/1) ... [2018-12-03 15:33:50,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/1) ... [2018-12-03 15:33:50,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/1) ... [2018-12-03 15:33:50,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/1) ... [2018-12-03 15:33:50,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/1) ... [2018-12-03 15:33:50,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 15:33:50,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 15:33:50,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 15:33:50,333 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 15:33:50,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 15:33:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 15:33:50,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 15:33:50,722 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 15:33:50,723 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-03 15:33:50,724 INFO L202 PluginConnector]: Adding new model eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:33:50 BoogieIcfgContainer [2018-12-03 15:33:50,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 15:33:50,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 15:33:50,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 15:33:50,729 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 15:33:50,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:33:50" (1/2) ... [2018-12-03 15:33:50,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a67464 and model type eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:33:50, skipping insertion in model container [2018-12-03 15:33:50,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:33:50" (2/2) ... [2018-12-03 15:33:50,733 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_05.i_5.bpl [2018-12-03 15:33:50,745 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 15:33:50,754 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 15:33:50,768 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 15:33:50,800 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 15:33:50,800 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 15:33:50,800 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 15:33:50,800 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 15:33:50,801 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 15:33:50,801 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 15:33:50,801 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 15:33:50,801 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 15:33:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-12-03 15:33:50,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-03 15:33:50,824 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:33:50,825 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-12-03 15:33:50,828 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:33:50,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:33:50,835 INFO L82 PathProgramCache]: Analyzing trace with hash 928714, now seen corresponding path program 1 times [2018-12-03 15:33:50,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:33:50,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:33:50,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:33:50,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:33:50,885 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:33:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:33:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:33:50,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:33:50,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 15:33:50,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:33:51,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 15:33:51,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 15:33:51,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 15:33:51,041 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-12-03 15:33:51,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:33:51,119 INFO L93 Difference]: Finished difference Result 11 states and 17 transitions. [2018-12-03 15:33:51,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 15:33:51,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-12-03 15:33:51,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:33:51,132 INFO L225 Difference]: With dead ends: 11 [2018-12-03 15:33:51,133 INFO L226 Difference]: Without dead ends: 7 [2018-12-03 15:33:51,136 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 15:33:51,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-12-03 15:33:51,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-12-03 15:33:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-03 15:33:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2018-12-03 15:33:51,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 9 transitions. Word has length 4 [2018-12-03 15:33:51,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:33:51,171 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 9 transitions. [2018-12-03 15:33:51,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 15:33:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-12-03 15:33:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-03 15:33:51,172 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:33:51,172 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-12-03 15:33:51,172 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:33:51,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:33:51,173 INFO L82 PathProgramCache]: Analyzing trace with hash 28842881, now seen corresponding path program 1 times [2018-12-03 15:33:51,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:33:51,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:33:51,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:33:51,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:33:51,174 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:33:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:33:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:33:51,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 15:33:51,331 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 15:33:51,332 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 6 with the following transitions: [2018-12-03 15:33:51,334 INFO L205 CegarAbsIntRunner]: [0], [5], [7], [12], [16] [2018-12-03 15:33:51,395 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2018-12-03 15:33:51,396 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 15:33:57,537 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 15:33:57,539 INFO L272 AbstractInterpreter]: Visited 4 different actions 14 times. Merged at 2 different actions 6 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-03 15:33:57,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:33:57,551 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 15:33:57,663 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for v_b_27_1 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:115) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:104) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.getNonUnifiedPredicateFromStates(CegarAbsIntRunner.java:592) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.generateAbsIntPredicates(CegarAbsIntRunner.java:551) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.createInterpolantGenerator(CegarAbsIntRunner.java:403) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.getInterpolantGenerator(CegarAbsIntRunner.java:387) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.getInterpolantGenerator(CegarAbsIntRunner.java:260) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-03 15:33:57,667 INFO L168 Benchmark]: Toolchain (without parser) took 7401.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 460.0 MB). Peak memory consumption was 460.0 MB. Max. memory is 7.1 GB. [2018-12-03 15:33:57,670 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 15:33:57,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 15:33:57,671 INFO L168 Benchmark]: Boogie Preprocessor took 23.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 15:33:57,672 INFO L168 Benchmark]: RCFGBuilder took 391.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 15:33:57,673 INFO L168 Benchmark]: TraceAbstraction took 6941.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 438.9 MB). Peak memory consumption was 438.9 MB. Max. memory is 7.1 GB. [2018-12-03 15:33:57,678 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 391.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6941.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 438.9 MB). Peak memory consumption was 438.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for v_b_27_1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for v_b_27_1: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...