java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 22:10:43,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 22:10:43,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 22:10:43,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-07 22:10:43,480 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-01-07 22:10:43,493 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 22:10:43,494 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 22:10:43,495 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 22:10:43,495 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 22:10:43,495 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 22:10:43,495 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 22:10:43,495 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 22:10:43,496 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 22:10:43,496 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 22:10:43,496 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-07 22:10:43,496 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 22:10:43,496 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 22:10:43,496 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 22:10:43,497 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 22:10:43,497 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 22:10:43,497 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 22:10:43,498 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 22:10:43,499 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 22:10:43,499 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 22:10:43,499 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 22:10:43,499 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 22:10:43,499 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 22:10:43,499 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 22:10:43,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 22:10:43,501 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 22:10:43,502 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 22:10:43,502 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 22:10:43,502 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 22:10:43,502 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 22:10:43,502 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 22:10:43,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 22:10:43,503 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 22:10:43,504 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 22:10:43,504 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 22:10:43,504 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 22:10:43,504 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 22:10:43,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 22:10:43,504 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 22:10:43,505 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 22:10:43,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 22:10:43,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 22:10:43,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 22:10:43,583 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 22:10:43,583 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 22:10:43,584 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl [2019-01-07 22:10:43,584 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl' [2019-01-07 22:10:43,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 22:10:43,637 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 22:10:43,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 22:10:43,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 22:10:43,638 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 22:10:43,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... [2019-01-07 22:10:43,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... [2019-01-07 22:10:43,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 22:10:43,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 22:10:43,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 22:10:43,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 22:10:43,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... [2019-01-07 22:10:43,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... [2019-01-07 22:10:43,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... [2019-01-07 22:10:43,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... [2019-01-07 22:10:43,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... [2019-01-07 22:10:43,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... [2019-01-07 22:10:43,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... [2019-01-07 22:10:43,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 22:10:43,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 22:10:43,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 22:10:43,726 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 22:10:43,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 22:10:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 22:10:43,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 22:10:44,055 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 22:10:44,056 INFO L286 CfgBuilder]: Removed 15 assue(true) statements. [2019-01-07 22:10:44,057 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 10:10:44 BoogieIcfgContainer [2019-01-07 22:10:44,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 22:10:44,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-07 22:10:44,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-07 22:10:44,062 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-07 22:10:44,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:10:43" (1/2) ... [2019-01-07 22:10:44,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f3d9d and model type speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 10:10:44, skipping insertion in model container [2019-01-07 22:10:44,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 10:10:44" (2/2) ... [2019-01-07 22:10:44,067 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-6-limited.bpl [2019-01-07 22:10:44,077 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-07 22:10:44,085 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-01-07 22:10:44,102 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-01-07 22:10:44,138 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-07 22:10:44,138 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-07 22:10:44,139 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-07 22:10:44,139 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-07 22:10:44,139 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-07 22:10:44,139 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-07 22:10:44,139 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-07 22:10:44,140 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-07 22:10:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-01-07 22:10:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-01-07 22:10:44,168 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 22:10:44,169 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-01-07 22:10:44,172 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-01-07 22:10:44,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 22:10:44,182 INFO L82 PathProgramCache]: Analyzing trace with hash 988, now seen corresponding path program 1 times [2019-01-07 22:10:44,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 22:10:44,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:10:44,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 22:10:44,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:10:44,250 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 22:10:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 22:10:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 22:10:44,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 22:10:44,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-07 22:10:44,474 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 22:10:44,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 22:10:44,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 22:10:44,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 22:10:44,501 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-01-07 22:10:44,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 22:10:44,943 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2019-01-07 22:10:44,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 22:10:44,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 22:10:44,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 22:10:44,960 INFO L225 Difference]: With dead ends: 29 [2019-01-07 22:10:44,960 INFO L226 Difference]: Without dead ends: 24 [2019-01-07 22:10:44,964 INFO L631 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 [2019-01-07 22:10:44,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-01-07 22:10:44,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 14. [2019-01-07 22:10:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-01-07 22:10:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 25 transitions. [2019-01-07 22:10:45,003 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 25 transitions. Word has length 2 [2019-01-07 22:10:45,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 22:10:45,005 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 25 transitions. [2019-01-07 22:10:45,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 22:10:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2019-01-07 22:10:45,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 22:10:45,006 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 22:10:45,006 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 22:10:45,007 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-01-07 22:10:45,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 22:10:45,007 INFO L82 PathProgramCache]: Analyzing trace with hash 30376, now seen corresponding path program 1 times [2019-01-07 22:10:45,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 22:10:45,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:10:45,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 22:10:45,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:10:45,009 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 22:10:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 22:10:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 22:10:45,136 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 22:10:45,136 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 22:10:45,137 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 22:10:45,139 INFO L207 CegarAbsIntRunner]: [0], [18], [27] [2019-01-07 22:10:45,201 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 22:10:45,201 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 22:10:59,363 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-01-07 22:10:59,365 INFO L272 AbstractInterpreter]: Visited 3 different actions 13 times. Merged at 1 different actions 5 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-07 22:10:59,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 22:10:59,371 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-01-07 22:11:00,103 INFO L227 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 75% of their original sizes. [2019-01-07 22:11:00,104 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-01-07 22:11:02,452 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_104 Int) (v_idx_115 Int) (v_idx_105 Int) (v_idx_113 Int) (v_idx_103 Int) (v_idx_114 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_111 Int) (v_idx_112 Int) (v_idx_110 Int)) (exists ((v_v_1621_1 Int) (v_v_1624_1 Int) (v_v_1623_1 Int) (v_v_1625_1 Int) (v_v_1617_1 Int) (v_v_1627_1 Int) (v_b_159_1 Int) (v_b_158_1 Int) (v_b_153_1 Int) (v_b_152_1 Int) (v_b_151_1 Int) (v_b_150_1 Int) (v_b_157_1 Int) (v_b_156_1 Int) (v_v_1629_1 Int) (v_v_1619_1 Int)) (let ((.cse6 (+ v_b_150_1 4)) (.cse0 (+ c_ULTIMATE.start_main_p4 2)) (.cse7 (+ v_b_152_1 3)) (.cse3 (+ c_ULTIMATE.start_main_p1 1)) (.cse8 (+ v_b_158_1 1)) (.cse1 (+ v_b_153_1 2)) (.cse4 (+ v_b_150_1 1)) (.cse10 (+ v_b_151_1 1)) (.cse11 (+ c_ULTIMATE.start_main_p1 5)) (.cse2 (+ c_ULTIMATE.start_main_p1 2)) (.cse15 (+ c_ULTIMATE.start_main_p1 3)) (.cse5 (+ v_b_156_1 1)) (.cse12 (+ v_b_150_1 2)) (.cse9 (+ v_b_151_1 3)) (.cse13 (+ c_ULTIMATE.start_main_p4 1)) (.cse14 (+ v_b_152_1 1))) (and (<= .cse0 v_b_157_1) (<= (+ v_b_151_1 4) v_b_159_1) (or (= (select |c_#memory_int| v_idx_109) v_v_1623_1) (<= c_ULTIMATE.start_main_p4 v_idx_109) (< v_idx_109 v_b_153_1)) (<= .cse1 v_b_158_1) (<= (+ v_b_152_1 2) v_b_156_1) (<= (+ c_ULTIMATE.start_main_p4 3) v_b_159_1) (or (= (select |c_#memory_int| v_idx_107) v_v_1621_1) (<= v_b_152_1 v_idx_107) (< v_idx_107 v_b_151_1)) (or (= (select |c_#memory_int| v_idx_115) v_v_1629_1) (< v_idx_115 v_b_159_1)) (<= .cse2 v_b_152_1) (or (= (select |c_#memory_int| v_idx_105) v_v_1619_1) (< v_idx_105 .cse3) (<= v_b_150_1 v_idx_105)) (<= (+ v_b_150_1 3) v_b_156_1) (<= .cse4 v_b_151_1) (<= .cse5 v_b_158_1) (<= .cse3 v_b_150_1) (<= v_b_153_1 c_ULTIMATE.start_main_p4) (<= (+ v_b_152_1 4) v_b_159_1) (or (< v_idx_106 v_b_150_1) (<= v_b_151_1 v_idx_106) (= (select |c_#memory_int| v_idx_106) 0)) (<= .cse6 v_b_158_1) (<= (+ v_b_153_1 1) v_b_156_1) (or (= (select |c_#memory_int| v_idx_114) 0) (<= v_b_159_1 v_idx_114) (< v_idx_114 v_b_158_1)) (<= .cse7 v_b_158_1) (<= v_b_159_1 .cse8) (<= .cse9 v_b_158_1) (<= .cse10 v_b_153_1) (<= v_b_157_1 .cse5) (<= .cse11 v_b_157_1) (<= .cse12 c_ULTIMATE.start_main_p4) (<= .cse6 v_b_157_1) (or (<= c_ULTIMATE.start_main_p1 v_idx_103) (= (select |c_#memory_int| v_idx_103) v_v_1617_1)) (<= .cse0 v_b_158_1) (<= .cse7 v_b_157_1) (<= v_b_151_1 .cse4) (or (< v_idx_108 v_b_152_1) (= (select |c_#memory_int| v_idx_108) 0) (<= v_b_153_1 v_idx_108)) (or (= (select |c_#memory_int| v_idx_112) 0) (< v_idx_112 v_b_156_1) (<= v_b_157_1 v_idx_112)) (or (< v_idx_110 c_ULTIMATE.start_main_p4) (<= .cse13 v_idx_110) (= (select |c_#memory_int| v_idx_110) v_v_1624_1)) (or (= (select |c_#memory_int| v_idx_104) 0) (<= .cse3 v_idx_104) (< v_idx_104 c_ULTIMATE.start_main_p1)) (<= (+ v_b_157_1 1) v_b_159_1) (<= v_v_1624_1 0) (<= .cse8 v_b_159_1) (or (= (select |c_#memory_int| v_idx_113) v_v_1627_1) (< v_idx_113 v_b_157_1) (<= v_b_158_1 v_idx_113)) (<= .cse1 v_b_157_1) (<= v_b_157_1 v_b_158_1) (<= .cse4 v_b_152_1) (<= .cse10 c_ULTIMATE.start_main_p4) (<= .cse11 v_b_158_1) (<= .cse14 v_b_153_1) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_1) (<= (+ v_b_153_1 3) v_b_159_1) (<= .cse2 v_b_151_1) (<= (+ v_b_151_1 2) v_b_156_1) (<= .cse15 c_ULTIMATE.start_main_p4) (<= (* 2 v_v_1624_1) 0) (or (< v_idx_111 .cse13) (= v_v_1625_1 (select |c_#memory_int| v_idx_111)) (<= v_b_156_1 v_idx_111)) (<= (+ c_ULTIMATE.start_main_p1 4) v_b_156_1) (<= .cse15 v_b_153_1) (<= v_b_151_1 v_b_152_1) (<= (+ v_b_150_1 5) v_b_159_1) (<= .cse5 v_b_157_1) (<= (+ v_b_156_1 2) v_b_159_1) (<= .cse14 c_ULTIMATE.start_main_p4) (<= .cse12 v_b_153_1) (<= .cse9 v_b_157_1) (<= .cse13 v_b_156_1) (<= v_b_153_1 .cse14))))) is different from false [2019-01-07 22:11:04,836 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_126 Int) (v_idx_127 Int) (v_idx_116 Int) (v_idx_124 Int) (v_idx_125 Int) (v_idx_119 Int) (v_idx_128 Int) (v_idx_117 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_v_1621_1 Int) (v_v_1624_1 Int) (v_v_1623_1 Int) (v_v_1625_1 Int) (v_v_1617_1 Int) (v_v_1627_1 Int) (v_b_159_1 Int) (v_b_158_1 Int) (v_b_153_1 Int) (v_b_152_1 Int) (v_b_151_1 Int) (v_b_150_1 Int) (v_b_157_1 Int) (v_b_156_1 Int) (v_b_155_1 Int) (v_v_1629_1 Int) (v_b_154_1 Int) (v_v_1619_1 Int)) (let ((.cse1 (+ v_b_152_1 2)) (.cse11 (+ v_b_150_1 4)) (.cse13 (+ v_b_152_1 3)) (.cse16 (+ v_b_151_1 1)) (.cse5 (+ v_b_150_1 3)) (.cse14 (+ v_b_158_1 1)) (.cse0 (+ v_b_153_1 2)) (.cse7 (+ v_b_150_1 1)) (.cse17 (+ c_ULTIMATE.start_main_p1 5)) (.cse3 (+ v_b_154_1 2)) (.cse4 (+ c_ULTIMATE.start_main_p1 2)) (.cse18 (+ v_b_155_1 1)) (.cse20 (+ v_b_151_1 2)) (.cse2 (+ c_ULTIMATE.start_main_p1 4)) (.cse8 (+ v_b_156_1 1)) (.cse10 (+ v_b_150_1 2)) (.cse15 (+ v_b_151_1 3)) (.cse21 (+ c_ULTIMATE.start_main_p1 3)) (.cse6 (+ v_b_154_1 1)) (.cse9 (+ c_ULTIMATE.start_main_p1 1)) (.cse19 (+ v_b_152_1 1)) (.cse12 (+ v_b_153_1 1))) (and (<= (+ v_b_151_1 4) v_b_159_1) (or (= (select |c_#memory_int| v_idx_124) v_v_1625_1) (<= v_b_156_1 v_idx_124) (< v_idx_124 v_b_155_1)) (<= .cse0 v_b_158_1) (<= .cse1 v_b_156_1) (or (= (select |c_#memory_int| v_idx_119) 0) (<= v_b_151_1 v_idx_119) (< v_idx_119 v_b_150_1)) (<= .cse2 v_b_155_1) (<= .cse3 v_b_157_1) (<= .cse4 v_b_152_1) (<= .cse5 v_b_156_1) (<= .cse6 v_b_156_1) (<= .cse7 v_b_151_1) (<= .cse8 v_b_158_1) (or (< v_idx_117 c_ULTIMATE.start_main_p1) (<= .cse9 v_idx_117) (= (select |c_#memory_int| v_idx_117) 0)) (<= .cse9 v_b_150_1) (<= (+ v_b_152_1 4) v_b_159_1) (<= .cse10 v_b_154_1) (<= .cse1 v_b_155_1) (<= .cse11 v_b_158_1) (<= .cse12 v_b_156_1) (<= .cse13 v_b_158_1) (<= v_b_159_1 .cse14) (<= .cse15 v_b_158_1) (or (< v_idx_122 v_b_153_1) (= (select |c_#memory_int| v_idx_122) v_v_1623_1) (<= v_b_154_1 v_idx_122)) (<= .cse16 v_b_153_1) (or (= (select |c_#memory_int| v_idx_120) v_v_1621_1) (<= v_b_152_1 v_idx_120) (< v_idx_120 v_b_151_1)) (<= v_b_157_1 .cse8) (<= .cse17 v_b_157_1) (<= .cse11 v_b_157_1) (or (< v_idx_127 v_b_158_1) (= (select |c_#memory_int| v_idx_127) 0) (<= v_b_159_1 v_idx_127)) (<= (+ v_b_155_1 2) v_b_159_1) (<= .cse13 v_b_157_1) (<= v_b_151_1 .cse7) (<= .cse16 v_b_154_1) (<= .cse5 v_b_155_1) (<= (+ v_b_157_1 1) v_b_159_1) (<= v_v_1624_1 0) (or (<= c_ULTIMATE.start_main_p1 v_idx_116) (= (select |c_#memory_int| v_idx_116) v_v_1617_1)) (<= .cse14 v_b_159_1) (<= .cse0 v_b_157_1) (or (< v_idx_128 v_b_159_1) (= (select |c_#memory_int| v_idx_128) v_v_1629_1)) (<= v_b_157_1 v_b_158_1) (<= .cse7 v_b_152_1) (<= .cse18 v_b_157_1) (<= .cse17 v_b_158_1) (<= .cse3 v_b_158_1) (<= .cse19 v_b_153_1) (<= (+ v_b_154_1 3) v_b_159_1) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_1) (<= .cse20 v_b_155_1) (<= (+ v_b_153_1 3) v_b_159_1) (<= .cse4 v_b_151_1) (<= .cse18 v_b_158_1) (<= .cse20 v_b_156_1) (<= (* 2 v_v_1624_1) 0) (<= .cse2 v_b_156_1) (<= .cse21 v_b_153_1) (<= v_b_151_1 v_b_152_1) (<= v_b_155_1 .cse6) (<= (+ v_b_150_1 5) v_b_159_1) (<= .cse8 v_b_157_1) (<= (+ v_b_156_1 2) v_b_159_1) (<= .cse19 v_b_154_1) (or (< v_idx_125 v_b_156_1) (<= v_b_157_1 v_idx_125) (= 0 (select |c_#memory_int| v_idx_125))) (or (< v_idx_126 v_b_157_1) (<= v_b_158_1 v_idx_126) (= (select |c_#memory_int| v_idx_126) v_v_1627_1)) (or (<= v_b_153_1 v_idx_121) (< v_idx_121 v_b_152_1) (= 0 (select |c_#memory_int| v_idx_121))) (<= .cse10 v_b_153_1) (or (= (select |c_#memory_int| v_idx_123) v_v_1624_1) (<= v_b_155_1 v_idx_123) (< v_idx_123 v_b_154_1)) (<= .cse15 v_b_157_1) (<= .cse21 v_b_154_1) (<= .cse6 v_b_155_1) (or (< v_idx_118 .cse9) (= (select |c_#memory_int| v_idx_118) v_v_1619_1) (<= v_b_150_1 v_idx_118)) (<= v_b_155_1 v_b_156_1) (<= v_b_153_1 v_b_154_1) (<= v_b_153_1 .cse19) (<= .cse12 v_b_155_1))))) is different from false [2019-01-07 22:11:05,009 INFO L420 sIntCurrentIteration]: We unified 2 AI predicates to 2 [2019-01-07 22:11:05,010 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-01-07 22:11:05,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-07 22:11:05,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2019-01-07 22:11:05,011 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 22:11:05,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-07 22:11:05,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-07 22:11:05,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2019-01-07 22:11:05,014 INFO L87 Difference]: Start difference. First operand 14 states and 25 transitions. Second operand 4 states. [2019-01-07 22:11:07,567 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_idx_126 Int) (v_idx_127 Int) (v_idx_116 Int) (v_idx_124 Int) (v_idx_125 Int) (v_idx_119 Int) (v_idx_128 Int) (v_idx_117 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_v_1621_1 Int) (v_v_1624_1 Int) (v_v_1623_1 Int) (v_v_1625_1 Int) (v_v_1617_1 Int) (v_v_1627_1 Int) (v_b_159_1 Int) (v_b_158_1 Int) (v_b_153_1 Int) (v_b_152_1 Int) (v_b_151_1 Int) (v_b_150_1 Int) (v_b_157_1 Int) (v_b_156_1 Int) (v_b_155_1 Int) (v_v_1629_1 Int) (v_b_154_1 Int) (v_v_1619_1 Int)) (let ((.cse1 (+ v_b_152_1 2)) (.cse11 (+ v_b_150_1 4)) (.cse13 (+ v_b_152_1 3)) (.cse16 (+ v_b_151_1 1)) (.cse5 (+ v_b_150_1 3)) (.cse14 (+ v_b_158_1 1)) (.cse0 (+ v_b_153_1 2)) (.cse7 (+ v_b_150_1 1)) (.cse17 (+ c_ULTIMATE.start_main_p1 5)) (.cse3 (+ v_b_154_1 2)) (.cse4 (+ c_ULTIMATE.start_main_p1 2)) (.cse18 (+ v_b_155_1 1)) (.cse20 (+ v_b_151_1 2)) (.cse2 (+ c_ULTIMATE.start_main_p1 4)) (.cse8 (+ v_b_156_1 1)) (.cse10 (+ v_b_150_1 2)) (.cse15 (+ v_b_151_1 3)) (.cse21 (+ c_ULTIMATE.start_main_p1 3)) (.cse6 (+ v_b_154_1 1)) (.cse9 (+ c_ULTIMATE.start_main_p1 1)) (.cse19 (+ v_b_152_1 1)) (.cse12 (+ v_b_153_1 1))) (and (<= (+ v_b_151_1 4) v_b_159_1) (or (= (select |c_#memory_int| v_idx_124) v_v_1625_1) (<= v_b_156_1 v_idx_124) (< v_idx_124 v_b_155_1)) (<= .cse0 v_b_158_1) (<= .cse1 v_b_156_1) (or (= (select |c_#memory_int| v_idx_119) 0) (<= v_b_151_1 v_idx_119) (< v_idx_119 v_b_150_1)) (<= .cse2 v_b_155_1) (<= .cse3 v_b_157_1) (<= .cse4 v_b_152_1) (<= .cse5 v_b_156_1) (<= .cse6 v_b_156_1) (<= .cse7 v_b_151_1) (<= .cse8 v_b_158_1) (or (< v_idx_117 c_ULTIMATE.start_main_p1) (<= .cse9 v_idx_117) (= (select |c_#memory_int| v_idx_117) 0)) (<= .cse9 v_b_150_1) (<= (+ v_b_152_1 4) v_b_159_1) (<= .cse10 v_b_154_1) (<= .cse1 v_b_155_1) (<= .cse11 v_b_158_1) (<= .cse12 v_b_156_1) (<= .cse13 v_b_158_1) (<= v_b_159_1 .cse14) (<= .cse15 v_b_158_1) (or (< v_idx_122 v_b_153_1) (= (select |c_#memory_int| v_idx_122) v_v_1623_1) (<= v_b_154_1 v_idx_122)) (<= .cse16 v_b_153_1) (or (= (select |c_#memory_int| v_idx_120) v_v_1621_1) (<= v_b_152_1 v_idx_120) (< v_idx_120 v_b_151_1)) (<= v_b_157_1 .cse8) (<= .cse17 v_b_157_1) (<= .cse11 v_b_157_1) (or (< v_idx_127 v_b_158_1) (= (select |c_#memory_int| v_idx_127) 0) (<= v_b_159_1 v_idx_127)) (<= (+ v_b_155_1 2) v_b_159_1) (<= .cse13 v_b_157_1) (<= v_b_151_1 .cse7) (<= .cse16 v_b_154_1) (<= .cse5 v_b_155_1) (<= (+ v_b_157_1 1) v_b_159_1) (<= v_v_1624_1 0) (or (<= c_ULTIMATE.start_main_p1 v_idx_116) (= (select |c_#memory_int| v_idx_116) v_v_1617_1)) (<= .cse14 v_b_159_1) (<= .cse0 v_b_157_1) (or (< v_idx_128 v_b_159_1) (= (select |c_#memory_int| v_idx_128) v_v_1629_1)) (<= v_b_157_1 v_b_158_1) (<= .cse7 v_b_152_1) (<= .cse18 v_b_157_1) (<= .cse17 v_b_158_1) (<= .cse3 v_b_158_1) (<= .cse19 v_b_153_1) (<= (+ v_b_154_1 3) v_b_159_1) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_1) (<= .cse20 v_b_155_1) (<= (+ v_b_153_1 3) v_b_159_1) (<= .cse4 v_b_151_1) (<= .cse18 v_b_158_1) (<= .cse20 v_b_156_1) (<= (* 2 v_v_1624_1) 0) (<= .cse2 v_b_156_1) (<= .cse21 v_b_153_1) (<= v_b_151_1 v_b_152_1) (<= v_b_155_1 .cse6) (<= (+ v_b_150_1 5) v_b_159_1) (<= .cse8 v_b_157_1) (<= (+ v_b_156_1 2) v_b_159_1) (<= .cse19 v_b_154_1) (or (< v_idx_125 v_b_156_1) (<= v_b_157_1 v_idx_125) (= 0 (select |c_#memory_int| v_idx_125))) (or (< v_idx_126 v_b_157_1) (<= v_b_158_1 v_idx_126) (= (select |c_#memory_int| v_idx_126) v_v_1627_1)) (or (<= v_b_153_1 v_idx_121) (< v_idx_121 v_b_152_1) (= 0 (select |c_#memory_int| v_idx_121))) (<= .cse10 v_b_153_1) (or (= (select |c_#memory_int| v_idx_123) v_v_1624_1) (<= v_b_155_1 v_idx_123) (< v_idx_123 v_b_154_1)) (<= .cse15 v_b_157_1) (<= .cse21 v_b_154_1) (<= .cse6 v_b_155_1) (or (< v_idx_118 .cse9) (= (select |c_#memory_int| v_idx_118) v_v_1619_1) (<= v_b_150_1 v_idx_118)) (<= v_b_155_1 v_b_156_1) (<= v_b_153_1 v_b_154_1) (<= v_b_153_1 .cse19) (<= .cse12 v_b_155_1))))) (forall ((v_idx_104 Int) (v_idx_115 Int) (v_idx_105 Int) (v_idx_113 Int) (v_idx_103 Int) (v_idx_114 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_111 Int) (v_idx_112 Int) (v_idx_110 Int)) (exists ((v_v_1621_1 Int) (v_v_1624_1 Int) (v_v_1623_1 Int) (v_v_1625_1 Int) (v_v_1617_1 Int) (v_v_1627_1 Int) (v_b_159_1 Int) (v_b_158_1 Int) (v_b_153_1 Int) (v_b_152_1 Int) (v_b_151_1 Int) (v_b_150_1 Int) (v_b_157_1 Int) (v_b_156_1 Int) (v_v_1629_1 Int) (v_v_1619_1 Int)) (let ((.cse28 (+ v_b_150_1 4)) (.cse22 (+ c_ULTIMATE.start_main_p4 2)) (.cse29 (+ v_b_152_1 3)) (.cse25 (+ c_ULTIMATE.start_main_p1 1)) (.cse30 (+ v_b_158_1 1)) (.cse23 (+ v_b_153_1 2)) (.cse26 (+ v_b_150_1 1)) (.cse32 (+ v_b_151_1 1)) (.cse33 (+ c_ULTIMATE.start_main_p1 5)) (.cse24 (+ c_ULTIMATE.start_main_p1 2)) (.cse37 (+ c_ULTIMATE.start_main_p1 3)) (.cse27 (+ v_b_156_1 1)) (.cse34 (+ v_b_150_1 2)) (.cse31 (+ v_b_151_1 3)) (.cse35 (+ c_ULTIMATE.start_main_p4 1)) (.cse36 (+ v_b_152_1 1))) (and (<= .cse22 v_b_157_1) (<= (+ v_b_151_1 4) v_b_159_1) (or (= (select |c_#memory_int| v_idx_109) v_v_1623_1) (<= c_ULTIMATE.start_main_p4 v_idx_109) (< v_idx_109 v_b_153_1)) (<= .cse23 v_b_158_1) (<= (+ v_b_152_1 2) v_b_156_1) (<= (+ c_ULTIMATE.start_main_p4 3) v_b_159_1) (or (= (select |c_#memory_int| v_idx_107) v_v_1621_1) (<= v_b_152_1 v_idx_107) (< v_idx_107 v_b_151_1)) (or (= (select |c_#memory_int| v_idx_115) v_v_1629_1) (< v_idx_115 v_b_159_1)) (<= .cse24 v_b_152_1) (or (= (select |c_#memory_int| v_idx_105) v_v_1619_1) (< v_idx_105 .cse25) (<= v_b_150_1 v_idx_105)) (<= (+ v_b_150_1 3) v_b_156_1) (<= .cse26 v_b_151_1) (<= .cse27 v_b_158_1) (<= .cse25 v_b_150_1) (<= v_b_153_1 c_ULTIMATE.start_main_p4) (<= (+ v_b_152_1 4) v_b_159_1) (or (< v_idx_106 v_b_150_1) (<= v_b_151_1 v_idx_106) (= (select |c_#memory_int| v_idx_106) 0)) (<= .cse28 v_b_158_1) (<= (+ v_b_153_1 1) v_b_156_1) (or (= (select |c_#memory_int| v_idx_114) 0) (<= v_b_159_1 v_idx_114) (< v_idx_114 v_b_158_1)) (<= .cse29 v_b_158_1) (<= v_b_159_1 .cse30) (<= .cse31 v_b_158_1) (<= .cse32 v_b_153_1) (<= v_b_157_1 .cse27) (<= .cse33 v_b_157_1) (<= .cse34 c_ULTIMATE.start_main_p4) (<= .cse28 v_b_157_1) (or (<= c_ULTIMATE.start_main_p1 v_idx_103) (= (select |c_#memory_int| v_idx_103) v_v_1617_1)) (<= .cse22 v_b_158_1) (<= .cse29 v_b_157_1) (<= v_b_151_1 .cse26) (or (< v_idx_108 v_b_152_1) (= (select |c_#memory_int| v_idx_108) 0) (<= v_b_153_1 v_idx_108)) (or (= (select |c_#memory_int| v_idx_112) 0) (< v_idx_112 v_b_156_1) (<= v_b_157_1 v_idx_112)) (or (< v_idx_110 c_ULTIMATE.start_main_p4) (<= .cse35 v_idx_110) (= (select |c_#memory_int| v_idx_110) v_v_1624_1)) (or (= (select |c_#memory_int| v_idx_104) 0) (<= .cse25 v_idx_104) (< v_idx_104 c_ULTIMATE.start_main_p1)) (<= (+ v_b_157_1 1) v_b_159_1) (<= v_v_1624_1 0) (<= .cse30 v_b_159_1) (or (= (select |c_#memory_int| v_idx_113) v_v_1627_1) (< v_idx_113 v_b_157_1) (<= v_b_158_1 v_idx_113)) (<= .cse23 v_b_157_1) (<= v_b_157_1 v_b_158_1) (<= .cse26 v_b_152_1) (<= .cse32 c_ULTIMATE.start_main_p4) (<= .cse33 v_b_158_1) (<= .cse36 v_b_153_1) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_1) (<= (+ v_b_153_1 3) v_b_159_1) (<= .cse24 v_b_151_1) (<= (+ v_b_151_1 2) v_b_156_1) (<= .cse37 c_ULTIMATE.start_main_p4) (<= (* 2 v_v_1624_1) 0) (or (< v_idx_111 .cse35) (= v_v_1625_1 (select |c_#memory_int| v_idx_111)) (<= v_b_156_1 v_idx_111)) (<= (+ c_ULTIMATE.start_main_p1 4) v_b_156_1) (<= .cse37 v_b_153_1) (<= v_b_151_1 v_b_152_1) (<= (+ v_b_150_1 5) v_b_159_1) (<= .cse27 v_b_157_1) (<= (+ v_b_156_1 2) v_b_159_1) (<= .cse36 c_ULTIMATE.start_main_p4) (<= .cse34 v_b_153_1) (<= .cse31 v_b_157_1) (<= .cse35 v_b_156_1) (<= v_b_153_1 .cse36)))))) is different from false [2019-01-07 22:11:45,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 22:11:45,024 INFO L93 Difference]: Finished difference Result 16 states and 33 transitions. [2019-01-07 22:11:45,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-07 22:11:45,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-01-07 22:11:45,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 22:11:45,025 INFO L225 Difference]: With dead ends: 16 [2019-01-07 22:11:45,026 INFO L226 Difference]: Without dead ends: 15 [2019-01-07 22:11:45,027 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=7, Invalid=4, Unknown=3, NotChecked=6, Total=20 [2019-01-07 22:11:45,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-07 22:11:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-01-07 22:11:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-07 22:11:45,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 32 transitions. [2019-01-07 22:11:45,037 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 32 transitions. Word has length 3 [2019-01-07 22:11:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 22:11:45,038 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 32 transitions. [2019-01-07 22:11:45,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-07 22:11:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 32 transitions. [2019-01-07 22:11:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 22:11:45,039 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 22:11:45,039 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 22:11:45,040 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-01-07 22:11:45,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 22:11:45,041 INFO L82 PathProgramCache]: Analyzing trace with hash 30004, now seen corresponding path program 1 times [2019-01-07 22:11:45,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 22:11:45,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:11:45,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 22:11:45,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:11:45,047 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 22:11:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 22:11:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 22:11:45,229 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 22:11:45,229 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 22:11:45,230 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 22:11:45,230 INFO L207 CegarAbsIntRunner]: [0], [6], [27] [2019-01-07 22:11:45,233 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 22:11:45,234 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 22:11:57,405 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-01-07 22:11:57,405 INFO L272 AbstractInterpreter]: Visited 3 different actions 13 times. Merged at 1 different actions 5 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-07 22:11:57,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 22:11:57,406 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-01-07 22:11:57,880 INFO L227 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 80% of their original sizes. [2019-01-07 22:11:57,880 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-01-07 22:12:00,361 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_236 Int) (v_idx_237 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_238 Int) (v_idx_239 Int) (v_idx_240 Int) (v_idx_243 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_241 Int) (v_idx_242 Int) (v_idx_231 Int)) (exists ((v_v_1831_2 Int) (v_v_1835_2 Int) (v_v_1833_2 Int) (v_b_159_2 Int) (v_b_158_2 Int) (v_b_157_2 Int) (v_b_152_2 Int) (v_b_151_2 Int) (v_b_150_2 Int) (v_b_156_2 Int) (v_b_155_2 Int) (v_b_154_2 Int) (v_b_153_2 Int) (v_v_1839_2 Int) (v_v_1828_2 Int) (v_v_1829_2 Int) (v_v_1837_2 Int) (v_v_1827_2 Int)) (let ((.cse4 (+ v_b_158_2 1)) (.cse12 (+ v_b_151_2 3)) (.cse1 (+ c_ULTIMATE.start_main_p1 5)) (.cse8 (+ c_ULTIMATE.start_main_p1 2)) (.cse11 (+ c_ULTIMATE.start_main_p1 3)) (.cse14 (+ v_b_153_2 1)) (.cse0 (+ v_b_150_2 3)) (.cse13 (+ c_ULTIMATE.start_main_p1 4)) (.cse6 (+ v_b_151_2 2)) (.cse9 (+ v_b_150_2 4)) (.cse15 (+ v_b_152_2 3)) (.cse2 (+ v_b_152_2 1)) (.cse5 (+ v_b_150_2 1)) (.cse18 (+ v_b_153_2 2)) (.cse20 (+ v_b_152_2 2)) (.cse3 (+ v_b_154_2 2)) (.cse19 (+ c_ULTIMATE.start_main_p1 1)) (.cse17 (+ v_b_154_2 1)) (.cse21 (+ v_b_150_2 2)) (.cse10 (+ v_b_156_2 1)) (.cse16 (+ v_b_151_2 1)) (.cse7 (+ v_b_155_2 1))) (and (<= .cse0 v_b_156_2) (<= .cse1 v_b_158_2) (or (< v_idx_240 v_b_156_2) (= 0 (select |c_#memory_int| v_idx_240)) (<= v_b_157_2 v_idx_240)) (<= .cse2 v_b_153_2) (<= .cse3 v_b_158_2) (<= .cse4 v_b_159_2) (<= .cse5 v_b_151_2) (or (< v_idx_237 v_b_153_2) (= (select |c_#memory_int| v_idx_237) v_v_1833_2) (<= v_b_154_2 v_idx_237)) (<= .cse6 v_b_156_2) (<= v_b_159_2 .cse4) (<= v_b_157_2 v_b_158_2) (<= .cse7 v_b_157_2) (<= (+ v_b_150_2 5) v_b_159_2) (<= .cse8 v_b_152_2) (<= .cse9 v_b_158_2) (<= (+ v_b_155_2 2) v_b_159_2) (or (< v_idx_236 v_b_152_2) (= (select |c_#memory_int| v_idx_236) 0) (<= v_b_153_2 v_idx_236)) (<= v_b_157_2 .cse10) (<= v_b_153_2 v_b_154_2) (<= .cse11 v_b_154_2) (<= .cse12 v_b_157_2) (or (< v_idx_234 v_b_150_2) (<= v_b_151_2 v_idx_234) (= 0 (select |c_#memory_int| v_idx_234))) (<= v_b_151_2 .cse5) (<= .cse13 v_b_155_2) (<= .cse12 v_b_158_2) (<= .cse1 v_b_157_2) (or (< v_idx_243 v_b_159_2) (= (select |c_#memory_int| v_idx_243) v_v_1839_2)) (or (<= v_b_152_2 v_idx_235) (< v_idx_235 v_b_151_2) (= (select |c_#memory_int| v_idx_235) v_v_1831_2)) (<= .cse14 v_b_156_2) (<= .cse8 v_b_151_2) (or (<= v_b_155_2 v_idx_238) (< v_idx_238 v_b_154_2) (= 0 (select |c_#memory_int| v_idx_238))) (<= .cse15 v_b_158_2) (<= 0 v_v_1828_2) (<= .cse16 v_b_153_2) (<= v_b_153_2 .cse2) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_2) (<= .cse11 v_b_153_2) (<= .cse17 v_b_155_2) (<= .cse14 v_b_155_2) (<= (+ v_b_151_2 4) v_b_159_2) (<= .cse18 v_b_158_2) (<= (+ v_b_154_2 3) v_b_159_2) (<= (+ v_b_156_2 2) v_b_159_2) (<= 0 (* 2 v_v_1828_2)) (<= .cse0 v_b_155_2) (<= v_b_155_2 v_b_156_2) (<= .cse13 v_b_156_2) (<= (+ v_b_153_2 3) v_b_159_2) (<= .cse6 v_b_155_2) (<= .cse9 v_b_157_2) (<= .cse15 v_b_157_2) (<= .cse19 v_b_150_2) (or (<= v_b_159_2 v_idx_242) (= 0 (select |c_#memory_int| v_idx_242)) (< v_idx_242 v_b_158_2)) (<= .cse2 v_b_154_2) (or (< v_idx_232 c_ULTIMATE.start_main_p1) (<= .cse19 v_idx_232) (= (select |c_#memory_int| v_idx_232) v_v_1828_2)) (<= .cse5 v_b_152_2) (<= (+ v_b_157_2 1) v_b_159_2) (<= .cse10 v_b_157_2) (or (<= c_ULTIMATE.start_main_p1 v_idx_231) (= (select |c_#memory_int| v_idx_231) v_v_1827_2)) (<= .cse18 v_b_157_2) (<= .cse20 v_b_156_2) (<= .cse20 v_b_155_2) (<= .cse21 v_b_153_2) (<= .cse3 v_b_157_2) (or (<= v_b_150_2 v_idx_233) (= (select |c_#memory_int| v_idx_233) v_v_1829_2) (< v_idx_233 .cse19)) (or (< v_idx_241 v_b_157_2) (= (select |c_#memory_int| v_idx_241) v_v_1837_2) (<= v_b_158_2 v_idx_241)) (or (< v_idx_239 v_b_155_2) (<= v_b_156_2 v_idx_239) (= (select |c_#memory_int| v_idx_239) v_v_1835_2)) (<= (+ v_b_152_2 4) v_b_159_2) (<= v_b_155_2 .cse17) (<= .cse17 v_b_156_2) (<= .cse21 v_b_154_2) (<= .cse10 v_b_158_2) (<= v_b_151_2 v_b_152_2) (<= .cse16 v_b_154_2) (<= .cse7 v_b_158_2))))) is different from false [2019-01-07 22:12:03,082 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_247 Int) (v_idx_248 Int) (v_idx_245 Int) (v_idx_256 Int) (v_idx_246 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_254 Int) (v_idx_244 Int) (v_idx_255 Int) (v_idx_252 Int) (v_idx_253 Int)) (exists ((v_v_1831_2 Int) (v_v_1835_2 Int) (v_v_1833_2 Int) (v_b_159_2 Int) (v_b_158_2 Int) (v_b_157_2 Int) (v_b_152_2 Int) (v_b_151_2 Int) (v_b_150_2 Int) (v_b_156_2 Int) (v_b_155_2 Int) (v_b_154_2 Int) (v_b_153_2 Int) (v_v_1828_2 Int) (v_v_1839_2 Int) (v_v_1829_2 Int) (v_v_1837_2 Int) (v_v_1827_2 Int)) (let ((.cse4 (+ v_b_158_2 1)) (.cse13 (+ v_b_151_2 3)) (.cse1 (+ c_ULTIMATE.start_main_p1 5)) (.cse8 (+ c_ULTIMATE.start_main_p1 2)) (.cse12 (+ c_ULTIMATE.start_main_p1 3)) (.cse15 (+ v_b_153_2 1)) (.cse0 (+ v_b_150_2 3)) (.cse14 (+ c_ULTIMATE.start_main_p1 4)) (.cse6 (+ v_b_151_2 2)) (.cse9 (+ v_b_150_2 4)) (.cse16 (+ v_b_152_2 3)) (.cse10 (+ c_ULTIMATE.start_main_p1 1)) (.cse2 (+ v_b_152_2 1)) (.cse5 (+ v_b_150_2 1)) (.cse19 (+ v_b_153_2 2)) (.cse20 (+ v_b_152_2 2)) (.cse3 (+ v_b_154_2 2)) (.cse18 (+ v_b_154_2 1)) (.cse21 (+ v_b_150_2 2)) (.cse11 (+ v_b_156_2 1)) (.cse17 (+ v_b_151_2 1)) (.cse7 (+ v_b_155_2 1))) (and (<= .cse0 v_b_156_2) (<= .cse1 v_b_158_2) (<= .cse2 v_b_153_2) (<= .cse3 v_b_158_2) (<= .cse4 v_b_159_2) (<= .cse5 v_b_151_2) (<= .cse6 v_b_156_2) (<= v_b_159_2 .cse4) (<= v_b_157_2 v_b_158_2) (<= .cse7 v_b_157_2) (<= (+ v_b_150_2 5) v_b_159_2) (<= .cse8 v_b_152_2) (<= .cse9 v_b_158_2) (<= (+ v_b_155_2 2) v_b_159_2) (or (<= v_b_156_2 v_idx_252) (= (select |c_#memory_int| v_idx_252) v_v_1835_2) (< v_idx_252 v_b_155_2)) (or (< v_idx_245 c_ULTIMATE.start_main_p1) (<= .cse10 v_idx_245) (= (select |c_#memory_int| v_idx_245) v_v_1828_2)) (or (< v_idx_254 v_b_157_2) (= (select |c_#memory_int| v_idx_254) v_v_1837_2) (<= v_b_158_2 v_idx_254)) (or (= v_v_1829_2 (select |c_#memory_int| v_idx_246)) (<= v_b_150_2 v_idx_246) (< v_idx_246 .cse10)) (<= v_b_157_2 .cse11) (<= v_b_153_2 v_b_154_2) (<= .cse12 v_b_154_2) (<= .cse13 v_b_157_2) (<= v_b_151_2 .cse5) (<= .cse14 v_b_155_2) (or (< v_idx_247 v_b_150_2) (<= v_b_151_2 v_idx_247) (= 0 (select |c_#memory_int| v_idx_247))) (<= .cse13 v_b_158_2) (<= .cse1 v_b_157_2) (or (<= c_ULTIMATE.start_main_p1 v_idx_244) (= (select |c_#memory_int| v_idx_244) v_v_1827_2)) (<= .cse15 v_b_156_2) (<= .cse8 v_b_151_2) (or (< v_idx_255 v_b_158_2) (= 0 (select |c_#memory_int| v_idx_255)) (<= v_b_159_2 v_idx_255)) (<= .cse16 v_b_158_2) (<= 0 v_v_1828_2) (<= .cse17 v_b_153_2) (<= v_b_153_2 .cse2) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_2) (<= .cse12 v_b_153_2) (<= .cse18 v_b_155_2) (<= .cse15 v_b_155_2) (or (< v_idx_249 v_b_152_2) (= 0 (select |c_#memory_int| v_idx_249)) (<= v_b_153_2 v_idx_249)) (<= (+ v_b_151_2 4) v_b_159_2) (<= .cse19 v_b_158_2) (<= (+ v_b_154_2 3) v_b_159_2) (<= (+ v_b_156_2 2) v_b_159_2) (or (= (select |c_#memory_int| v_idx_248) v_v_1831_2) (<= v_b_152_2 v_idx_248) (< v_idx_248 v_b_151_2)) (or (< v_idx_256 v_b_159_2) (= (select |c_#memory_int| v_idx_256) v_v_1839_2)) (<= 0 (* 2 v_v_1828_2)) (<= .cse0 v_b_155_2) (<= v_b_155_2 v_b_156_2) (<= .cse14 v_b_156_2) (<= (+ v_b_153_2 3) v_b_159_2) (<= .cse6 v_b_155_2) (<= .cse9 v_b_157_2) (<= .cse16 v_b_157_2) (<= .cse10 v_b_150_2) (<= .cse2 v_b_154_2) (<= .cse5 v_b_152_2) (<= (+ v_b_157_2 1) v_b_159_2) (<= .cse11 v_b_157_2) (<= .cse19 v_b_157_2) (<= .cse20 v_b_156_2) (or (< v_idx_250 v_b_153_2) (= (select |c_#memory_int| v_idx_250) v_v_1833_2) (<= v_b_154_2 v_idx_250)) (<= .cse20 v_b_155_2) (<= .cse21 v_b_153_2) (<= .cse3 v_b_157_2) (<= (+ v_b_152_2 4) v_b_159_2) (<= v_b_155_2 .cse18) (or (< v_idx_251 v_b_154_2) (<= v_b_155_2 v_idx_251) (= (select |c_#memory_int| v_idx_251) 0)) (<= .cse18 v_b_156_2) (<= .cse21 v_b_154_2) (<= .cse11 v_b_158_2) (<= v_b_151_2 v_b_152_2) (or (= 0 (select |c_#memory_int| v_idx_253)) (< v_idx_253 v_b_156_2) (<= v_b_157_2 v_idx_253)) (<= .cse17 v_b_154_2) (<= .cse7 v_b_158_2))))) is different from false [2019-01-07 22:12:03,251 INFO L420 sIntCurrentIteration]: We unified 2 AI predicates to 2 [2019-01-07 22:12:03,251 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-01-07 22:12:03,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-07 22:12:03,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2019-01-07 22:12:03,252 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 22:12:03,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-07 22:12:03,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-07 22:12:03,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2019-01-07 22:12:03,253 INFO L87 Difference]: Start difference. First operand 15 states and 32 transitions. Second operand 4 states. [2019-01-07 22:12:05,968 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_idx_247 Int) (v_idx_248 Int) (v_idx_245 Int) (v_idx_256 Int) (v_idx_246 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_254 Int) (v_idx_244 Int) (v_idx_255 Int) (v_idx_252 Int) (v_idx_253 Int)) (exists ((v_v_1831_2 Int) (v_v_1835_2 Int) (v_v_1833_2 Int) (v_b_159_2 Int) (v_b_158_2 Int) (v_b_157_2 Int) (v_b_152_2 Int) (v_b_151_2 Int) (v_b_150_2 Int) (v_b_156_2 Int) (v_b_155_2 Int) (v_b_154_2 Int) (v_b_153_2 Int) (v_v_1828_2 Int) (v_v_1839_2 Int) (v_v_1829_2 Int) (v_v_1837_2 Int) (v_v_1827_2 Int)) (let ((.cse4 (+ v_b_158_2 1)) (.cse13 (+ v_b_151_2 3)) (.cse1 (+ c_ULTIMATE.start_main_p1 5)) (.cse8 (+ c_ULTIMATE.start_main_p1 2)) (.cse12 (+ c_ULTIMATE.start_main_p1 3)) (.cse15 (+ v_b_153_2 1)) (.cse0 (+ v_b_150_2 3)) (.cse14 (+ c_ULTIMATE.start_main_p1 4)) (.cse6 (+ v_b_151_2 2)) (.cse9 (+ v_b_150_2 4)) (.cse16 (+ v_b_152_2 3)) (.cse10 (+ c_ULTIMATE.start_main_p1 1)) (.cse2 (+ v_b_152_2 1)) (.cse5 (+ v_b_150_2 1)) (.cse19 (+ v_b_153_2 2)) (.cse20 (+ v_b_152_2 2)) (.cse3 (+ v_b_154_2 2)) (.cse18 (+ v_b_154_2 1)) (.cse21 (+ v_b_150_2 2)) (.cse11 (+ v_b_156_2 1)) (.cse17 (+ v_b_151_2 1)) (.cse7 (+ v_b_155_2 1))) (and (<= .cse0 v_b_156_2) (<= .cse1 v_b_158_2) (<= .cse2 v_b_153_2) (<= .cse3 v_b_158_2) (<= .cse4 v_b_159_2) (<= .cse5 v_b_151_2) (<= .cse6 v_b_156_2) (<= v_b_159_2 .cse4) (<= v_b_157_2 v_b_158_2) (<= .cse7 v_b_157_2) (<= (+ v_b_150_2 5) v_b_159_2) (<= .cse8 v_b_152_2) (<= .cse9 v_b_158_2) (<= (+ v_b_155_2 2) v_b_159_2) (or (<= v_b_156_2 v_idx_252) (= (select |c_#memory_int| v_idx_252) v_v_1835_2) (< v_idx_252 v_b_155_2)) (or (< v_idx_245 c_ULTIMATE.start_main_p1) (<= .cse10 v_idx_245) (= (select |c_#memory_int| v_idx_245) v_v_1828_2)) (or (< v_idx_254 v_b_157_2) (= (select |c_#memory_int| v_idx_254) v_v_1837_2) (<= v_b_158_2 v_idx_254)) (or (= v_v_1829_2 (select |c_#memory_int| v_idx_246)) (<= v_b_150_2 v_idx_246) (< v_idx_246 .cse10)) (<= v_b_157_2 .cse11) (<= v_b_153_2 v_b_154_2) (<= .cse12 v_b_154_2) (<= .cse13 v_b_157_2) (<= v_b_151_2 .cse5) (<= .cse14 v_b_155_2) (or (< v_idx_247 v_b_150_2) (<= v_b_151_2 v_idx_247) (= 0 (select |c_#memory_int| v_idx_247))) (<= .cse13 v_b_158_2) (<= .cse1 v_b_157_2) (or (<= c_ULTIMATE.start_main_p1 v_idx_244) (= (select |c_#memory_int| v_idx_244) v_v_1827_2)) (<= .cse15 v_b_156_2) (<= .cse8 v_b_151_2) (or (< v_idx_255 v_b_158_2) (= 0 (select |c_#memory_int| v_idx_255)) (<= v_b_159_2 v_idx_255)) (<= .cse16 v_b_158_2) (<= 0 v_v_1828_2) (<= .cse17 v_b_153_2) (<= v_b_153_2 .cse2) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_2) (<= .cse12 v_b_153_2) (<= .cse18 v_b_155_2) (<= .cse15 v_b_155_2) (or (< v_idx_249 v_b_152_2) (= 0 (select |c_#memory_int| v_idx_249)) (<= v_b_153_2 v_idx_249)) (<= (+ v_b_151_2 4) v_b_159_2) (<= .cse19 v_b_158_2) (<= (+ v_b_154_2 3) v_b_159_2) (<= (+ v_b_156_2 2) v_b_159_2) (or (= (select |c_#memory_int| v_idx_248) v_v_1831_2) (<= v_b_152_2 v_idx_248) (< v_idx_248 v_b_151_2)) (or (< v_idx_256 v_b_159_2) (= (select |c_#memory_int| v_idx_256) v_v_1839_2)) (<= 0 (* 2 v_v_1828_2)) (<= .cse0 v_b_155_2) (<= v_b_155_2 v_b_156_2) (<= .cse14 v_b_156_2) (<= (+ v_b_153_2 3) v_b_159_2) (<= .cse6 v_b_155_2) (<= .cse9 v_b_157_2) (<= .cse16 v_b_157_2) (<= .cse10 v_b_150_2) (<= .cse2 v_b_154_2) (<= .cse5 v_b_152_2) (<= (+ v_b_157_2 1) v_b_159_2) (<= .cse11 v_b_157_2) (<= .cse19 v_b_157_2) (<= .cse20 v_b_156_2) (or (< v_idx_250 v_b_153_2) (= (select |c_#memory_int| v_idx_250) v_v_1833_2) (<= v_b_154_2 v_idx_250)) (<= .cse20 v_b_155_2) (<= .cse21 v_b_153_2) (<= .cse3 v_b_157_2) (<= (+ v_b_152_2 4) v_b_159_2) (<= v_b_155_2 .cse18) (or (< v_idx_251 v_b_154_2) (<= v_b_155_2 v_idx_251) (= (select |c_#memory_int| v_idx_251) 0)) (<= .cse18 v_b_156_2) (<= .cse21 v_b_154_2) (<= .cse11 v_b_158_2) (<= v_b_151_2 v_b_152_2) (or (= 0 (select |c_#memory_int| v_idx_253)) (< v_idx_253 v_b_156_2) (<= v_b_157_2 v_idx_253)) (<= .cse17 v_b_154_2) (<= .cse7 v_b_158_2))))) (forall ((v_idx_236 Int) (v_idx_237 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_238 Int) (v_idx_239 Int) (v_idx_240 Int) (v_idx_243 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_241 Int) (v_idx_242 Int) (v_idx_231 Int)) (exists ((v_v_1831_2 Int) (v_v_1835_2 Int) (v_v_1833_2 Int) (v_b_159_2 Int) (v_b_158_2 Int) (v_b_157_2 Int) (v_b_152_2 Int) (v_b_151_2 Int) (v_b_150_2 Int) (v_b_156_2 Int) (v_b_155_2 Int) (v_b_154_2 Int) (v_b_153_2 Int) (v_v_1839_2 Int) (v_v_1828_2 Int) (v_v_1829_2 Int) (v_v_1837_2 Int) (v_v_1827_2 Int)) (let ((.cse26 (+ v_b_158_2 1)) (.cse34 (+ v_b_151_2 3)) (.cse23 (+ c_ULTIMATE.start_main_p1 5)) (.cse30 (+ c_ULTIMATE.start_main_p1 2)) (.cse33 (+ c_ULTIMATE.start_main_p1 3)) (.cse36 (+ v_b_153_2 1)) (.cse22 (+ v_b_150_2 3)) (.cse35 (+ c_ULTIMATE.start_main_p1 4)) (.cse28 (+ v_b_151_2 2)) (.cse31 (+ v_b_150_2 4)) (.cse37 (+ v_b_152_2 3)) (.cse24 (+ v_b_152_2 1)) (.cse27 (+ v_b_150_2 1)) (.cse40 (+ v_b_153_2 2)) (.cse42 (+ v_b_152_2 2)) (.cse25 (+ v_b_154_2 2)) (.cse41 (+ c_ULTIMATE.start_main_p1 1)) (.cse39 (+ v_b_154_2 1)) (.cse43 (+ v_b_150_2 2)) (.cse32 (+ v_b_156_2 1)) (.cse38 (+ v_b_151_2 1)) (.cse29 (+ v_b_155_2 1))) (and (<= .cse22 v_b_156_2) (<= .cse23 v_b_158_2) (or (< v_idx_240 v_b_156_2) (= 0 (select |c_#memory_int| v_idx_240)) (<= v_b_157_2 v_idx_240)) (<= .cse24 v_b_153_2) (<= .cse25 v_b_158_2) (<= .cse26 v_b_159_2) (<= .cse27 v_b_151_2) (or (< v_idx_237 v_b_153_2) (= (select |c_#memory_int| v_idx_237) v_v_1833_2) (<= v_b_154_2 v_idx_237)) (<= .cse28 v_b_156_2) (<= v_b_159_2 .cse26) (<= v_b_157_2 v_b_158_2) (<= .cse29 v_b_157_2) (<= (+ v_b_150_2 5) v_b_159_2) (<= .cse30 v_b_152_2) (<= .cse31 v_b_158_2) (<= (+ v_b_155_2 2) v_b_159_2) (or (< v_idx_236 v_b_152_2) (= (select |c_#memory_int| v_idx_236) 0) (<= v_b_153_2 v_idx_236)) (<= v_b_157_2 .cse32) (<= v_b_153_2 v_b_154_2) (<= .cse33 v_b_154_2) (<= .cse34 v_b_157_2) (or (< v_idx_234 v_b_150_2) (<= v_b_151_2 v_idx_234) (= 0 (select |c_#memory_int| v_idx_234))) (<= v_b_151_2 .cse27) (<= .cse35 v_b_155_2) (<= .cse34 v_b_158_2) (<= .cse23 v_b_157_2) (or (< v_idx_243 v_b_159_2) (= (select |c_#memory_int| v_idx_243) v_v_1839_2)) (or (<= v_b_152_2 v_idx_235) (< v_idx_235 v_b_151_2) (= (select |c_#memory_int| v_idx_235) v_v_1831_2)) (<= .cse36 v_b_156_2) (<= .cse30 v_b_151_2) (or (<= v_b_155_2 v_idx_238) (< v_idx_238 v_b_154_2) (= 0 (select |c_#memory_int| v_idx_238))) (<= .cse37 v_b_158_2) (<= 0 v_v_1828_2) (<= .cse38 v_b_153_2) (<= v_b_153_2 .cse24) (<= (+ c_ULTIMATE.start_main_p1 6) v_b_159_2) (<= .cse33 v_b_153_2) (<= .cse39 v_b_155_2) (<= .cse36 v_b_155_2) (<= (+ v_b_151_2 4) v_b_159_2) (<= .cse40 v_b_158_2) (<= (+ v_b_154_2 3) v_b_159_2) (<= (+ v_b_156_2 2) v_b_159_2) (<= 0 (* 2 v_v_1828_2)) (<= .cse22 v_b_155_2) (<= v_b_155_2 v_b_156_2) (<= .cse35 v_b_156_2) (<= (+ v_b_153_2 3) v_b_159_2) (<= .cse28 v_b_155_2) (<= .cse31 v_b_157_2) (<= .cse37 v_b_157_2) (<= .cse41 v_b_150_2) (or (<= v_b_159_2 v_idx_242) (= 0 (select |c_#memory_int| v_idx_242)) (< v_idx_242 v_b_158_2)) (<= .cse24 v_b_154_2) (or (< v_idx_232 c_ULTIMATE.start_main_p1) (<= .cse41 v_idx_232) (= (select |c_#memory_int| v_idx_232) v_v_1828_2)) (<= .cse27 v_b_152_2) (<= (+ v_b_157_2 1) v_b_159_2) (<= .cse32 v_b_157_2) (or (<= c_ULTIMATE.start_main_p1 v_idx_231) (= (select |c_#memory_int| v_idx_231) v_v_1827_2)) (<= .cse40 v_b_157_2) (<= .cse42 v_b_156_2) (<= .cse42 v_b_155_2) (<= .cse43 v_b_153_2) (<= .cse25 v_b_157_2) (or (<= v_b_150_2 v_idx_233) (= (select |c_#memory_int| v_idx_233) v_v_1829_2) (< v_idx_233 .cse41)) (or (< v_idx_241 v_b_157_2) (= (select |c_#memory_int| v_idx_241) v_v_1837_2) (<= v_b_158_2 v_idx_241)) (or (< v_idx_239 v_b_155_2) (<= v_b_156_2 v_idx_239) (= (select |c_#memory_int| v_idx_239) v_v_1835_2)) (<= (+ v_b_152_2 4) v_b_159_2) (<= v_b_155_2 .cse39) (<= .cse39 v_b_156_2) (<= .cse43 v_b_154_2) (<= .cse32 v_b_158_2) (<= v_b_151_2 v_b_152_2) (<= .cse38 v_b_154_2) (<= .cse29 v_b_158_2)))))) is different from false [2019-01-07 22:12:14,363 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-07 22:12:14,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-07 22:12:14,364 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) 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.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:666) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:72) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:699) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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:205) ... 41 more [2019-01-07 22:12:14,368 INFO L168 Benchmark]: Toolchain (without parser) took 90732.54 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -315.9 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-01-07 22:12:14,370 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 22:12:14,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 22:12:14,372 INFO L168 Benchmark]: Boogie Preprocessor took 25.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 22:12:14,372 INFO L168 Benchmark]: RCFGBuilder took 332.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-01-07 22:12:14,373 INFO L168 Benchmark]: TraceAbstraction took 90309.09 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -337.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-01-07 22:12:14,380 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 332.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 90309.09 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -337.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)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:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...