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/heapseparator/speedup-poc-dd-8-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:56:55,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:56:55,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:56:55,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:56:55,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:56:55,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:56:55,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:56:55,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:56:55,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:56:55,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:56:55,084 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:56:55,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:56:55,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:56:55,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:56:55,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:56:55,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:56:55,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:56:55,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:56:55,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:56:55,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:56:55,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:56:55,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:56:55,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:56:55,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:56:55,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:56:55,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:56:55,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:56:55,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:56:55,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:56:55,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:56:55,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:56:55,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:56:55,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:56:55,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:56:55,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:56:55,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:56:55,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:56:55,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:56:55,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:56:55,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:56:55,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:56:55,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:56:55,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:56:55,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:56:55,163 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:56:55,163 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:56:55,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-limited.bpl [2019-08-05 09:56:55,164 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-limited.bpl' [2019-08-05 09:56:55,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:56:55,222 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:56:55,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:56:55,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:56:55,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:56:55,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/1) ... [2019-08-05 09:56:55,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/1) ... [2019-08-05 09:56:55,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:56:55,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:56:55,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:56:55,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:56:55,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/1) ... [2019-08-05 09:56:55,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/1) ... [2019-08-05 09:56:55,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/1) ... [2019-08-05 09:56:55,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/1) ... [2019-08-05 09:56:55,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/1) ... [2019-08-05 09:56:55,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/1) ... [2019-08-05 09:56:55,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/1) ... [2019-08-05 09:56:55,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:56:55,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:56:55,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:56:55,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:56:55,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (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 09:56:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-05 09:56:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 09:56:55,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 09:56:55,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 09:56:55,881 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-05 09:56:55,882 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:56:55 BoogieIcfgContainer [2019-08-05 09:56:55,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:56:55,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:56:55,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:56:55,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:56:55,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:56:55" (1/2) ... [2019-08-05 09:56:55,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4674c1e7 and model type speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:56:55, skipping insertion in model container [2019-08-05 09:56:55,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:56:55" (2/2) ... [2019-08-05 09:56:55,891 INFO L109 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-8-limited.bpl [2019-08-05 09:56:55,902 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:56:55,912 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-08-05 09:56:55,928 INFO L252 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-08-05 09:56:55,955 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:56:55,955 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:56:55,956 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:56:55,956 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:56:55,956 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:56:55,956 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:56:55,957 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:56:55,957 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:56:55,957 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:56:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-08-05 09:56:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 09:56:55,979 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:56:55,980 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 09:56:55,983 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:56:55,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:56:55,989 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-08-05 09:56:56,034 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:56:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:56:56,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 9 conjunts are in the unsatisfiable core [2019-08-05 09:56:56,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:56:56,207 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:56,362 INFO L235 Elim1Store]: Index analysis took 164 ms [2019-08-05 09:56:56,389 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2019-08-05 09:56:56,391 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:56,608 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-08-05 09:56:56,609 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 09:56:56,613 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-08-05 09:56:56,614 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:49, output treesize:62 [2019-08-05 09:56:56,690 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 09:56:56,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:56:56,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 09:56:56,696 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 09:56:56,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 09:56:56,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 09:56:56,710 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-08-05 09:56:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:56:56,934 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2019-08-05 09:56:56,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 09:56:56,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 09:56:56,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:56:56,947 INFO L225 Difference]: With dead ends: 34 [2019-08-05 09:56:56,947 INFO L226 Difference]: Without dead ends: 32 [2019-08-05 09:56:56,949 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 09:56:56,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-08-05 09:56:56,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 18. [2019-08-05 09:56:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-08-05 09:56:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-08-05 09:56:56,983 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 2 [2019-08-05 09:56:56,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:56:56,984 INFO L475 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-08-05 09:56:56,984 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 09:56:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-08-05 09:56:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 09:56:56,984 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:56:56,985 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 09:56:56,985 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:56:56,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:56:56,986 INFO L82 PathProgramCache]: Analyzing trace with hash 30944, now seen corresponding path program 1 times [2019-08-05 09:56:56,987 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:56:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:56:57,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjunts are in the unsatisfiable core [2019-08-05 09:56:57,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:56:57,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,148 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,233 INFO L235 Elim1Store]: Index analysis took 158 ms [2019-08-05 09:56:57,472 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 5 [2019-08-05 09:56:57,473 INFO L341 Elim1Store]: treesize reduction 156, result has 3.1 percent of original size [2019-08-05 09:56:57,473 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 41 [2019-08-05 09:56:57,474 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:57,532 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 09:56:57,536 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-08-05 09:56:57,536 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:46, output treesize:59 [2019-08-05 09:56:57,597 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 09:56:57,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:56:57,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 09:56:57,599 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 09:56:57,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 09:56:57,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 09:56:57,600 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 3 states. [2019-08-05 09:56:57,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:56:57,758 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2019-08-05 09:56:57,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 09:56:57,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 09:56:57,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:56:57,760 INFO L225 Difference]: With dead ends: 31 [2019-08-05 09:56:57,760 INFO L226 Difference]: Without dead ends: 31 [2019-08-05 09:56:57,762 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 09:56:57,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-08-05 09:56:57,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 19. [2019-08-05 09:56:57,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-08-05 09:56:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-08-05 09:56:57,766 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 3 [2019-08-05 09:56:57,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:56:57,766 INFO L475 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-08-05 09:56:57,766 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 09:56:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-08-05 09:56:57,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 09:56:57,767 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:56:57,767 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 09:56:57,768 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:56:57,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:56:57,768 INFO L82 PathProgramCache]: Analyzing trace with hash 31500, now seen corresponding path program 1 times [2019-08-05 09:56:57,769 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:56:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:56:57,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2019-08-05 09:56:57,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:56:57,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,937 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:57,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,139 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,161 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,254 INFO L235 Elim1Store]: Index analysis took 381 ms [2019-08-05 09:56:58,263 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2019-08-05 09:56:58,264 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:58,360 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 09:56:58,361 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 09:56:58,361 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:62 [2019-08-05 09:56:58,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-05 09:56:58,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,488 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,622 INFO L235 Elim1Store]: Index analysis took 145 ms [2019-08-05 09:56:58,627 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 88 [2019-08-05 09:56:58,629 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:58,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,684 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,796 INFO L235 Elim1Store]: Index analysis took 142 ms [2019-08-05 09:56:58,799 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 88 [2019-08-05 09:56:58,801 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:58,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,835 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,840 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,841 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,846 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,853 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,871 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:58,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,002 INFO L235 Elim1Store]: Index analysis took 179 ms [2019-08-05 09:56:59,006 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 88 [2019-08-05 09:56:59,008 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:59,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,059 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,062 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,065 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,080 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,100 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,107 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,114 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,116 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,200 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,225 INFO L235 Elim1Store]: Index analysis took 173 ms [2019-08-05 09:56:59,230 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 88 [2019-08-05 09:56:59,231 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:59,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,293 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,371 INFO L235 Elim1Store]: Index analysis took 117 ms [2019-08-05 09:56:59,374 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 88 [2019-08-05 09:56:59,376 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:59,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,408 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,442 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,513 INFO L235 Elim1Store]: Index analysis took 122 ms [2019-08-05 09:56:59,519 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 88 [2019-08-05 09:56:59,521 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:59,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,610 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,611 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,617 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,623 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,683 INFO L235 Elim1Store]: Index analysis took 141 ms [2019-08-05 09:56:59,687 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 88 [2019-08-05 09:56:59,689 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-05 09:56:59,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:56:59,750 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 88 [2019-08-05 09:56:59,752 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-05 09:57:00,172 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-08-05 09:57:00,173 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 09:57:00,183 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 56 dim-0 vars, and 8 xjuncts. [2019-08-05 09:57:00,184 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:577, output treesize:505 [2019-08-05 09:57:03,094 WARN L193 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2019-08-05 09:57:03,095 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:207) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:224) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:581) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:204) ... 39 more [2019-08-05 09:57:03,100 INFO L168 Benchmark]: Toolchain (without parser) took 7877.86 ms. Allocated memory was 141.6 MB in the beginning and 236.5 MB in the end (delta: 94.9 MB). Free memory was 109.8 MB in the beginning and 192.9 MB in the end (delta: -83.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:57:03,101 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 09:57:03,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.16 ms. Allocated memory is still 141.6 MB. Free memory was 109.8 MB in the beginning and 107.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-05 09:57:03,103 INFO L168 Benchmark]: Boogie Preprocessor took 39.61 ms. Allocated memory is still 141.6 MB. Free memory was 107.4 MB in the beginning and 106.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:57:03,104 INFO L168 Benchmark]: RCFGBuilder took 556.94 ms. Allocated memory is still 141.6 MB. Free memory was 106.3 MB in the beginning and 92.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:57:03,104 INFO L168 Benchmark]: TraceAbstraction took 7214.32 ms. Allocated memory was 141.6 MB in the beginning and 236.5 MB in the end (delta: 94.9 MB). Free memory was 91.9 MB in the beginning and 192.9 MB in the end (delta: -100.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:57:03,109 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 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.16 ms. Allocated memory is still 141.6 MB. Free memory was 109.8 MB in the beginning and 107.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.61 ms. Allocated memory is still 141.6 MB. Free memory was 107.4 MB in the beginning and 106.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 556.94 ms. Allocated memory is still 141.6 MB. Free memory was 106.3 MB in the beginning and 92.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7214.32 ms. Allocated memory was 141.6 MB in the beginning and 236.5 MB in the end (delta: 94.9 MB). Free memory was 91.9 MB in the beginning and 192.9 MB in the end (delta: -100.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:207) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...