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 -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:03:40,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:03:40,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:03:40,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:03:40,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:03:40,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:03:40,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:03:40,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:03:40,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:03:40,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:03:40,913 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:03:40,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:03:40,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:03:40,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:03:40,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:03:40,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:03:40,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:03:40,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:03:40,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:03:40,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:03:40,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:03:40,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:03:40,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:03:40,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:03:40,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 11:03:40,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:03:40,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:03:40,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:03:40,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:03:40,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:03:40,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:03:40,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:03:40,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:03:40,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:03:40,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:03:40,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:03:41,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:03:41,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:03:41,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:03:41,035 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:03:41,035 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:03:41,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl [2019-08-05 11:03:41,036 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl' [2019-08-05 11:03:41,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:03:41,133 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:03:41,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:03:41,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:03:41,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:03:41,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/1) ... [2019-08-05 11:03:41,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/1) ... [2019-08-05 11:03:41,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:03:41,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:03:41,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:03:41,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:03:41,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/1) ... [2019-08-05 11:03:41,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/1) ... [2019-08-05 11:03:41,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/1) ... [2019-08-05 11:03:41,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/1) ... [2019-08-05 11:03:41,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/1) ... [2019-08-05 11:03:41,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/1) ... [2019-08-05 11:03:41,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/1) ... [2019-08-05 11:03:41,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:03:41,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:03:41,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:03:41,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:03:41,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (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 [2019-08-05 11:03:41,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:03:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:03:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:03:41,793 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:03:41,794 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:03:41,795 INFO L202 PluginConnector]: Adding new model sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:03:41 BoogieIcfgContainer [2019-08-05 11:03:41,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:03:41,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:03:41,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:03:41,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:03:41,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:03:41" (1/2) ... [2019-08-05 11:03:41,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efde031 and model type sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:03:41, skipping insertion in model container [2019-08-05 11:03:41,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:03:41" (2/2) ... [2019-08-05 11:03:41,805 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i_34.bpl [2019-08-05 11:03:41,815 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:03:41,824 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:03:41,841 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:03:41,868 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:03:41,869 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:03:41,869 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:03:41,869 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:03:41,869 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:03:41,870 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:03:41,870 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:03:41,870 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:03:41,870 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:03:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 11:03:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:03:41,893 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:03:41,894 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:03:41,897 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:03:41,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:03:41,903 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2019-08-05 11:03:41,950 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:03:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:03:42,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2019-08-05 11:03:42,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:03:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:03:42,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:03:42,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:03:42,172 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:03:42,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:03:42,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:03:42,191 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-08-05 11:03:42,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:03:42,248 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2019-08-05 11:03:42,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:03:42,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 11:03:42,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:03:42,261 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:03:42,262 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 11:03:42,264 INFO L628 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 [2019-08-05 11:03:42,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 11:03:42,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 11:03:42,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 11:03:42,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-08-05 11:03:42,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-08-05 11:03:42,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:03:42,308 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-08-05 11:03:42,308 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:03:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-08-05 11:03:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 11:03:42,309 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:03:42,309 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 11:03:42,310 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:03:42,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:03:42,311 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, now seen corresponding path program 1 times [2019-08-05 11:03:42,312 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:03:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:03:42,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 42 conjunts are in the unsatisfiable core [2019-08-05 11:03:42,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:03:42,659 INFO L392 ElimStorePlain]: Different costs {1=[|ULTIMATE.start_#Ultimate.alloc_old_#valid|], 3=[|ULTIMATE.start_main_old_#valid|]} [2019-08-05 11:03:42,740 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:03:42,741 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-08-05 11:03:42,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:42,745 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:03:42,886 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-08-05 11:03:42,887 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:03:42,952 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:03:42,953 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2019-08-05 11:03:42,953 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:42,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:42,958 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:03:43,237 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-08-05 11:03:43,237 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.1 percent of original size [2019-08-05 11:03:43,242 INFO L392 ElimStorePlain]: Different costs {0=[|ULTIMATE.start_write~int_old_#memory_$Pointer$.base|], 16=[|v_#memory_$Pointer$.base_10|]} [2019-08-05 11:03:43,278 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 1 [2019-08-05 11:03:43,278 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:03:43,433 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-08-05 11:03:43,434 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:03:43,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:03:44,067 WARN L188 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-08-05 11:03:44,067 INFO L341 Elim1Store]: treesize reduction 130, result has 40.6 percent of original size [2019-08-05 11:03:44,068 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 112 [2019-08-05 11:03:44,069 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-05 11:03:44,229 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-05 11:03:44,230 INFO L567 ElimStorePlain]: treesize reduction 36, result has 73.1 percent of original size [2019-08-05 11:03:44,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:03:44,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,254 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2019-08-05 11:03:44,254 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 13 variables, input treesize:224, output treesize:225 [2019-08-05 11:03:44,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,339 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:03:44,340 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 48 [2019-08-05 11:03:44,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:03:44,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:03:44,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:03:44,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:03:44,364 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:03:44,365 INFO L392 ElimStorePlain]: Different costs {0=[v_arrayElimCell_5], 1=[v_arrayElimCell_6]} [2019-08-05 11:03:44,376 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) 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:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-08-05 11:03:44,381 INFO L168 Benchmark]: Toolchain (without parser) took 3248.09 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 108.9 MB in the beginning and 61.4 MB in the end (delta: 47.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:03:44,382 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:03:44,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.77 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:03:44,384 INFO L168 Benchmark]: Boogie Preprocessor took 65.47 ms. Allocated memory is still 140.5 MB. Free memory was 106.9 MB in the beginning and 105.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:03:44,385 INFO L168 Benchmark]: RCFGBuilder took 548.43 ms. Allocated memory is still 140.5 MB. Free memory was 105.0 MB in the beginning and 80.1 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:03:44,387 INFO L168 Benchmark]: TraceAbstraction took 2581.66 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 79.7 MB in the beginning and 61.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:03:44,391 INFO L335 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 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.77 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.47 ms. Allocated memory is still 140.5 MB. Free memory was 106.9 MB in the beginning and 105.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 548.43 ms. Allocated memory is still 140.5 MB. Free memory was 105.0 MB in the beginning and 80.1 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2581.66 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 79.7 MB in the beginning and 61.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...