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-7-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 22:11:52,372 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 22:11:52,375 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 22:11:52,393 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-07 22:11:52,464 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 22:11:52,482 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 22:11:52,483 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 22:11:52,484 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 22:11:52,484 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 22:11:52,484 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 22:11:52,484 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 22:11:52,484 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 22:11:52,485 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 22:11:52,485 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 22:11:52,485 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-07 22:11:52,485 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 22:11:52,485 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 22:11:52,486 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 22:11:52,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 22:11:52,487 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 22:11:52,487 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 22:11:52,487 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 22:11:52,487 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 22:11:52,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 22:11:52,488 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 22:11:52,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 22:11:52,488 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 22:11:52,488 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 22:11:52,489 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 22:11:52,489 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 22:11:52,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 22:11:52,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 22:11:52,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 22:11:52,490 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 22:11:52,490 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 22:11:52,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 22:11:52,491 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 22:11:52,491 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 22:11:52,491 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 22:11:52,491 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 22:11:52,491 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 22:11:52,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 22:11:52,492 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 22:11:52,492 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 22:11:52,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 22:11:52,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 22:11:52,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 22:11:52,555 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 22:11:52,555 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 22:11:52,556 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-7-limited.bpl [2019-01-07 22:11:52,556 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-7-limited.bpl' [2019-01-07 22:11:52,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 22:11:52,620 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 22:11:52,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 22:11:52,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 22:11:52,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 22:11:52,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/1) ... [2019-01-07 22:11:52,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/1) ... [2019-01-07 22:11:52,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 22:11:52,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 22:11:52,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 22:11:52,683 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 22:11:52,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/1) ... [2019-01-07 22:11:52,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/1) ... [2019-01-07 22:11:52,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/1) ... [2019-01-07 22:11:52,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/1) ... [2019-01-07 22:11:52,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/1) ... [2019-01-07 22:11:52,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/1) ... [2019-01-07 22:11:52,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/1) ... [2019-01-07 22:11:52,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 22:11:52,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 22:11:52,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 22:11:52,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 22:11:52,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (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 22:11:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 22:11:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 22:11:53,203 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 22:11:53,204 INFO L286 CfgBuilder]: Removed 17 assue(true) statements. [2019-01-07 22:11:53,205 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 10:11:53 BoogieIcfgContainer [2019-01-07 22:11:53,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 22:11:53,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-07 22:11:53,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-07 22:11:53,209 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-07 22:11:53,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 10:11:52" (1/2) ... [2019-01-07 22:11:53,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b61d2e and model type speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 10:11:53, skipping insertion in model container [2019-01-07 22:11:53,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-7-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 10:11:53" (2/2) ... [2019-01-07 22:11:53,213 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-7-limited.bpl [2019-01-07 22:11:53,223 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-07 22:11:53,232 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-01-07 22:11:53,251 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-01-07 22:11:53,286 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-07 22:11:53,286 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-07 22:11:53,286 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-07 22:11:53,287 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-07 22:11:53,287 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-07 22:11:53,287 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-07 22:11:53,287 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-07 22:11:53,287 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-07 22:11:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-01-07 22:11:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-01-07 22:11:53,310 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 22:11:53,311 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-01-07 22:11:53,314 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-07 22:11:53,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 22:11:53,321 INFO L82 PathProgramCache]: Analyzing trace with hash 992, now seen corresponding path program 1 times [2019-01-07 22:11:53,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 22:11:53,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:11:53,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 22:11:53,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:11:53,380 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 22:11:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 22:11:53,529 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 22:11:53,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 22:11:53,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-07 22:11:53,532 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 22:11:53,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 22:11:53,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 22:11:53,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 22:11:53,555 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2019-01-07 22:11:53,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 22:11:53,833 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2019-01-07 22:11:53,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 22:11:53,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 22:11:53,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 22:11:53,853 INFO L225 Difference]: With dead ends: 33 [2019-01-07 22:11:53,853 INFO L226 Difference]: Without dead ends: 28 [2019-01-07 22:11:53,856 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 22:11:53,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-01-07 22:11:53,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 16. [2019-01-07 22:11:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-07 22:11:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 29 transitions. [2019-01-07 22:11:53,899 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 29 transitions. Word has length 2 [2019-01-07 22:11:53,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 22:11:53,902 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 29 transitions. [2019-01-07 22:11:53,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 22:11:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2019-01-07 22:11:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 22:11:53,904 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 22:11:53,904 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 22:11:53,905 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-07 22:11:53,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 22:11:53,905 INFO L82 PathProgramCache]: Analyzing trace with hash 30816, now seen corresponding path program 1 times [2019-01-07 22:11:53,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 22:11:53,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:11:53,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 22:11:53,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:11:53,913 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 22:11:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 22:11:53,981 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 22:11:53,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 22:11:53,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-07 22:11:53,982 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 22:11:53,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 22:11:53,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 22:11:53,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 22:11:53,987 INFO L87 Difference]: Start difference. First operand 16 states and 29 transitions. Second operand 3 states. [2019-01-07 22:11:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 22:11:54,280 INFO L93 Difference]: Finished difference Result 28 states and 40 transitions. [2019-01-07 22:11:54,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 22:11:54,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-01-07 22:11:54,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 22:11:54,282 INFO L225 Difference]: With dead ends: 28 [2019-01-07 22:11:54,282 INFO L226 Difference]: Without dead ends: 27 [2019-01-07 22:11:54,283 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 22:11:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-07 22:11:54,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2019-01-07 22:11:54,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-07 22:11:54,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 30 transitions. [2019-01-07 22:11:54,288 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 30 transitions. Word has length 3 [2019-01-07 22:11:54,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 22:11:54,289 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 30 transitions. [2019-01-07 22:11:54,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 22:11:54,289 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2019-01-07 22:11:54,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 22:11:54,290 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 22:11:54,290 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 22:11:54,290 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-07 22:11:54,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 22:11:54,291 INFO L82 PathProgramCache]: Analyzing trace with hash 30380, now seen corresponding path program 1 times [2019-01-07 22:11:54,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 22:11:54,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:11:54,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 22:11:54,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 22:11:54,293 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 22:11:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 22:11:54,440 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 22:11:54,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 22:11:54,441 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 22:11:54,442 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 22:11:54,444 INFO L207 CegarAbsIntRunner]: [0], [18], [31] [2019-01-07 22:11:54,501 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 22:11:54,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 22:12:13,483 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-01-07 22:12:13,485 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 22:12:13,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 22:12:13,492 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-01-07 22:12:14,432 INFO L227 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 77.27% of their original sizes. [2019-01-07 22:12:14,433 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-01-07 22:12:17,064 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_126 Int) (v_idx_115 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_129 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_b_195_1 Int) (v_v_1975_1 Int) (v_v_1987_1 Int) (v_b_184_1 Int) (v_b_194_1 Int) (v_b_185_1 Int) (v_b_186_1 Int) (v_v_1985_1 Int) (v_b_187_1 Int) (v_v_1979_1 Int) (v_v_1977_1 Int) (v_v_1989_1 Int) (v_b_191_1 Int) (v_v_1982_1 Int) (v_b_190_1 Int) (v_v_1983_1 Int) (v_b_193_1 Int) (v_b_192_1 Int) (v_v_1981_1 Int)) (let ((.cse15 (+ v_b_184_1 4)) (.cse6 (+ c_ULTIMATE.start_main_p4 2)) (.cse13 (+ v_b_184_1 2)) (.cse9 (+ c_ULTIMATE.start_main_p1 6)) (.cse11 (+ v_b_186_1 4)) (.cse0 (+ v_b_184_1 5)) (.cse10 (+ v_b_185_1 1)) (.cse5 (+ v_b_190_1 2)) (.cse3 (+ v_b_192_1 1)) (.cse20 (+ v_b_187_1 2)) (.cse14 (+ c_ULTIMATE.start_main_p1 3)) (.cse17 (+ v_b_185_1 4)) (.cse19 (+ c_ULTIMATE.start_main_p1 2)) (.cse22 (+ v_b_191_1 1)) (.cse16 (+ v_b_187_1 3)) (.cse18 (+ v_b_185_1 3)) (.cse2 (+ v_b_190_1 1)) (.cse1 (+ c_ULTIMATE.start_main_p1 1)) (.cse24 (+ c_ULTIMATE.start_main_p4 3)) (.cse4 (+ c_ULTIMATE.start_main_p4 1)) (.cse21 (+ v_b_186_1 3)) (.cse8 (+ v_b_184_1 1)) (.cse23 (+ v_b_194_1 1)) (.cse7 (+ c_ULTIMATE.start_main_p1 5)) (.cse12 (+ v_b_186_1 1))) (and (<= .cse0 v_b_193_1) (or (= (select |c_#memory_int| v_idx_117) v_v_1977_1) (< v_idx_117 .cse1) (<= v_b_184_1 v_idx_117)) (<= (+ v_b_184_1 6) v_b_195_1) (<= .cse2 v_b_192_1) (<= (+ v_b_191_1 2) v_b_195_1) (<= (+ v_b_185_1 5) v_b_195_1) (<= v_b_187_1 c_ULTIMATE.start_main_p4) (or (<= v_b_185_1 v_idx_118) (< v_idx_118 v_b_184_1) (= (select |c_#memory_int| v_idx_118) 0)) (<= v_b_193_1 .cse3) (<= (+ v_b_186_1 2) v_b_190_1) (<= v_b_193_1 v_b_194_1) (or (< v_idx_122 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_122) v_v_1982_1) (<= .cse4 v_idx_122)) (<= (+ v_b_184_1 3) v_b_190_1) (<= .cse5 v_b_193_1) (<= .cse6 v_b_191_1) (or (= (select |c_#memory_int| v_idx_116) 0) (< v_idx_116 c_ULTIMATE.start_main_p1) (<= .cse1 v_idx_116)) (or (< v_idx_124 v_b_190_1) (<= v_b_191_1 v_idx_124) (= (select |c_#memory_int| v_idx_124) 0)) (<= (+ v_b_187_1 1) v_b_190_1) (<= .cse7 v_b_191_1) (<= .cse8 v_b_186_1) (or (< v_idx_129 v_b_195_1) (= (select |c_#memory_int| v_idx_129) v_v_1989_1)) (or (<= v_b_192_1 v_idx_125) (= (select |c_#memory_int| v_idx_125) v_v_1985_1) (< v_idx_125 v_b_191_1)) (<= .cse9 v_b_194_1) (<= v_b_185_1 .cse8) (<= .cse10 v_b_187_1) (<= .cse11 v_b_193_1) (<= v_v_1982_1 0) (<= .cse3 v_b_194_1) (<= v_b_187_1 .cse12) (<= .cse13 c_ULTIMATE.start_main_p4) (<= (* 2 v_v_1982_1) 0) (<= (+ v_b_187_1 4) v_b_195_1) (<= .cse14 v_b_187_1) (<= v_b_191_1 .cse2) (<= .cse15 v_b_191_1) (or (= (select |c_#memory_int| v_idx_120) 0) (<= v_b_187_1 v_idx_120) (< v_idx_120 v_b_186_1)) (<= (+ v_b_186_1 5) v_b_195_1) (<= (+ c_ULTIMATE.start_main_p1 7) v_b_195_1) (<= (+ v_b_193_1 1) v_b_195_1) (<= .cse15 v_b_192_1) (<= .cse6 v_b_192_1) (<= .cse16 v_b_194_1) (<= .cse4 v_b_190_1) (<= .cse13 v_b_187_1) (<= .cse9 v_b_193_1) (<= (+ v_b_185_1 2) v_b_190_1) (<= (+ v_b_190_1 3) v_b_195_1) (or (<= c_ULTIMATE.start_main_p1 v_idx_115) (= (select |c_#memory_int| v_idx_115) v_v_1975_1)) (<= .cse11 v_b_194_1) (<= .cse0 v_b_194_1) (<= .cse17 v_b_194_1) (<= .cse18 v_b_192_1) (<= (+ c_ULTIMATE.start_main_p1 4) v_b_190_1) (or (<= v_b_186_1 v_idx_119) (< v_idx_119 v_b_185_1) (= (select |c_#memory_int| v_idx_119) v_v_1979_1)) (<= .cse10 c_ULTIMATE.start_main_p4) (<= .cse19 v_b_186_1) (or (< v_idx_128 v_b_194_1) (<= v_b_195_1 v_idx_128) (= (select |c_#memory_int| v_idx_128) 0)) (or (= (select |c_#memory_int| v_idx_121) v_v_1981_1) (< v_idx_121 v_b_187_1) (<= c_ULTIMATE.start_main_p4 v_idx_121)) (<= .cse5 v_b_194_1) (<= .cse3 v_b_193_1) (<= .cse20 v_b_191_1) (or (< v_idx_127 v_b_193_1) (<= v_b_194_1 v_idx_127) (= (select |c_#memory_int| v_idx_127) v_v_1987_1)) (<= .cse20 v_b_192_1) (<= .cse21 v_b_191_1) (<= .cse22 v_b_194_1) (<= .cse14 c_ULTIMATE.start_main_p4) (<= .cse17 v_b_193_1) (<= .cse12 v_b_187_1) (<= .cse19 v_b_185_1) (<= v_b_195_1 .cse23) (<= .cse22 v_b_193_1) (<= (+ v_b_192_1 2) v_b_195_1) (<= .cse16 v_b_193_1) (or (< v_idx_126 v_b_192_1) (= 0 (select |c_#memory_int| v_idx_126)) (<= v_b_193_1 v_idx_126)) (<= .cse18 v_b_191_1) (<= .cse24 v_b_194_1) (<= .cse2 v_b_191_1) (<= .cse1 v_b_184_1) (<= .cse24 v_b_193_1) (or (< v_idx_123 .cse4) (= (select |c_#memory_int| v_idx_123) v_v_1983_1) (<= v_b_190_1 v_idx_123)) (<= .cse21 v_b_192_1) (<= .cse8 v_b_185_1) (<= v_b_185_1 v_b_186_1) (<= .cse23 v_b_195_1) (<= .cse7 v_b_192_1) (<= .cse12 c_ULTIMATE.start_main_p4) (<= v_b_191_1 v_b_192_1) (<= (+ c_ULTIMATE.start_main_p4 4) v_b_195_1))))) is different from false [2019-01-07 22:12:19,457 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_137 Int) (v_idx_138 Int) (v_idx_135 Int) (v_idx_136 Int) (v_idx_139 Int) (v_idx_140 Int) (v_idx_141 Int) (v_idx_130 Int) (v_idx_144 Int) (v_idx_133 Int) (v_idx_134 Int) (v_idx_142 Int) (v_idx_131 Int) (v_idx_143 Int) (v_idx_132 Int)) (exists ((v_b_195_1 Int) (v_v_1987_1 Int) (v_v_1975_1 Int) (v_b_184_1 Int) (v_b_194_1 Int) (v_b_185_1 Int) (v_b_186_1 Int) (v_v_1985_1 Int) (v_b_187_1 Int) (v_v_1979_1 Int) (v_b_188_1 Int) (v_b_189_1 Int) (v_v_1989_1 Int) (v_v_1977_1 Int) (v_v_1982_1 Int) (v_b_191_1 Int) (v_b_190_1 Int) (v_v_1983_1 Int) (v_b_193_1 Int) (v_b_192_1 Int) (v_v_1981_1 Int)) (let ((.cse4 (+ v_b_189_1 2)) (.cse11 (+ c_ULTIMATE.start_main_p1 3)) (.cse15 (+ v_b_184_1 2)) (.cse18 (+ v_b_184_1 5)) (.cse16 (+ v_b_185_1 2)) (.cse7 (+ v_b_189_1 1)) (.cse17 (+ v_b_188_1 1)) (.cse1 (+ v_b_186_1 2)) (.cse2 (+ v_b_184_1 3)) (.cse19 (+ v_b_190_1 2)) (.cse20 (+ v_b_187_1 1)) (.cse3 (+ v_b_188_1 3)) (.cse13 (+ v_b_185_1 1)) (.cse9 (+ c_ULTIMATE.start_main_p1 1)) (.cse28 (+ v_b_184_1 4)) (.cse27 (+ c_ULTIMATE.start_main_p1 6)) (.cse8 (+ v_b_186_1 4)) (.cse21 (+ v_b_185_1 4)) (.cse23 (+ v_b_185_1 3)) (.cse25 (+ c_ULTIMATE.start_main_p1 4)) (.cse0 (+ v_b_188_1 2)) (.cse5 (+ v_b_192_1 1)) (.cse30 (+ v_b_187_1 2)) (.cse22 (+ v_b_191_1 1)) (.cse29 (+ c_ULTIMATE.start_main_p1 2)) (.cse24 (+ v_b_194_1 1)) (.cse14 (+ v_b_187_1 3)) (.cse12 (+ v_b_190_1 1)) (.cse31 (+ v_b_186_1 3)) (.cse26 (+ v_b_184_1 1)) (.cse6 (+ c_ULTIMATE.start_main_p1 5)) (.cse10 (+ v_b_186_1 1))) (and (<= .cse0 v_b_191_1) (<= .cse1 v_b_189_1) (<= .cse2 v_b_189_1) (<= (+ v_b_184_1 6) v_b_195_1) (or (< v_idx_137 v_b_188_1) (= (select |c_#memory_int| v_idx_137) v_v_1982_1) (<= v_b_189_1 v_idx_137)) (<= (+ v_b_191_1 2) v_b_195_1) (<= .cse3 v_b_193_1) (<= .cse4 v_b_193_1) (<= .cse4 v_b_194_1) (<= v_b_193_1 .cse5) (<= v_b_193_1 v_b_194_1) (<= .cse6 v_b_191_1) (<= .cse7 v_b_191_1) (or (<= v_b_185_1 v_idx_133) (= (select |c_#memory_int| v_idx_133) 0) (< v_idx_133 v_b_184_1)) (<= .cse8 v_b_193_1) (<= v_v_1982_1 0) (<= .cse5 v_b_194_1) (or (< v_idx_131 c_ULTIMATE.start_main_p1) (<= .cse9 v_idx_131) (= (select |c_#memory_int| v_idx_131) 0)) (<= v_b_187_1 .cse10) (<= (+ v_b_187_1 4) v_b_195_1) (<= .cse11 v_b_187_1) (<= v_b_191_1 .cse12) (<= (+ v_b_186_1 5) v_b_195_1) (<= (+ v_b_193_1 1) v_b_195_1) (<= .cse13 v_b_188_1) (<= .cse14 v_b_194_1) (<= .cse15 v_b_187_1) (or (= (select |c_#memory_int| v_idx_144) v_v_1989_1) (< v_idx_144 v_b_195_1)) (<= .cse16 v_b_190_1) (<= (+ v_b_190_1 3) v_b_195_1) (or (<= v_b_192_1 v_idx_140) (< v_idx_140 v_b_191_1) (= (select |c_#memory_int| v_idx_140) v_v_1985_1)) (<= v_b_189_1 .cse17) (<= .cse18 v_b_194_1) (<= .cse19 v_b_194_1) (<= .cse20 v_b_189_1) (<= .cse11 v_b_188_1) (<= .cse15 v_b_188_1) (<= .cse21 v_b_193_1) (<= .cse22 v_b_193_1) (<= (+ v_b_192_1 2) v_b_195_1) (<= .cse23 v_b_191_1) (<= .cse9 v_b_184_1) (<= v_b_185_1 v_b_186_1) (<= .cse24 v_b_195_1) (<= .cse17 v_b_189_1) (<= .cse18 v_b_193_1) (or (<= v_b_186_1 v_idx_134) (< v_idx_134 v_b_185_1) (= (select |c_#memory_int| v_idx_134) v_v_1979_1)) (<= .cse16 v_b_189_1) (or (= 0 (select |c_#memory_int| v_idx_141)) (< v_idx_141 v_b_192_1) (<= v_b_193_1 v_idx_141)) (<= (+ v_b_188_1 4) v_b_195_1) (<= .cse12 v_b_192_1) (<= (+ v_b_185_1 5) v_b_195_1) (<= .cse7 v_b_192_1) (<= .cse17 v_b_190_1) (<= .cse1 v_b_190_1) (<= (+ v_b_189_1 3) v_b_195_1) (<= .cse2 v_b_190_1) (<= .cse19 v_b_193_1) (<= .cse25 v_b_189_1) (<= .cse20 v_b_190_1) (<= .cse26 v_b_186_1) (<= .cse27 v_b_194_1) (<= .cse3 v_b_194_1) (<= v_b_185_1 .cse26) (<= .cse13 v_b_187_1) (or (< v_idx_132 .cse9) (= (select |c_#memory_int| v_idx_132) v_v_1977_1) (<= v_b_184_1 v_idx_132)) (<= (* 2 v_v_1982_1) 0) (or (<= v_b_194_1 v_idx_142) (< v_idx_142 v_b_193_1) (= (select |c_#memory_int| v_idx_142) v_v_1987_1)) (<= .cse28 v_b_191_1) (<= (+ c_ULTIMATE.start_main_p1 7) v_b_195_1) (<= .cse28 v_b_192_1) (<= .cse27 v_b_193_1) (or (< v_idx_143 v_b_194_1) (= (select |c_#memory_int| v_idx_143) 0) (<= v_b_195_1 v_idx_143)) (or (<= v_b_190_1 v_idx_138) (< v_idx_138 v_b_189_1) (= (select |c_#memory_int| v_idx_138) v_v_1983_1)) (<= .cse8 v_b_194_1) (or (< v_idx_139 v_b_190_1) (= (select |c_#memory_int| v_idx_139) 0) (<= v_b_191_1 v_idx_139)) (<= .cse21 v_b_194_1) (<= .cse23 v_b_192_1) (<= .cse25 v_b_190_1) (<= .cse29 v_b_186_1) (<= .cse0 v_b_192_1) (<= .cse5 v_b_193_1) (<= .cse30 v_b_191_1) (or (<= v_b_187_1 v_idx_135) (< v_idx_135 v_b_186_1) (= (select |c_#memory_int| v_idx_135) 0)) (<= .cse30 v_b_192_1) (<= .cse31 v_b_191_1) (<= v_b_187_1 v_b_188_1) (<= .cse22 v_b_194_1) (<= .cse10 v_b_187_1) (<= .cse29 v_b_185_1) (<= v_b_195_1 .cse24) (or (= (select |c_#memory_int| v_idx_136) v_v_1981_1) (< v_idx_136 v_b_187_1) (<= v_b_188_1 v_idx_136)) (or (= (select |c_#memory_int| v_idx_130) v_v_1975_1) (<= c_ULTIMATE.start_main_p1 v_idx_130)) (<= .cse14 v_b_193_1) (<= .cse12 v_b_191_1) (<= v_b_189_1 v_b_190_1) (<= .cse31 v_b_192_1) (<= .cse26 v_b_185_1) (<= .cse6 v_b_192_1) (<= .cse10 v_b_188_1) (<= v_b_191_1 v_b_192_1))))) is different from false [2019-01-07 22:12:21,495 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_idx_137 Int) (v_idx_138 Int) (v_idx_135 Int) (v_idx_136 Int) (v_idx_139 Int) (v_idx_140 Int) (v_idx_141 Int) (v_idx_130 Int) (v_idx_144 Int) (v_idx_133 Int) (v_idx_134 Int) (v_idx_142 Int) (v_idx_131 Int) (v_idx_143 Int) (v_idx_132 Int)) (exists ((v_b_195_1 Int) (v_v_1987_1 Int) (v_v_1975_1 Int) (v_b_184_1 Int) (v_b_194_1 Int) (v_b_185_1 Int) (v_b_186_1 Int) (v_v_1985_1 Int) (v_b_187_1 Int) (v_v_1979_1 Int) (v_b_188_1 Int) (v_b_189_1 Int) (v_v_1989_1 Int) (v_v_1977_1 Int) (v_v_1982_1 Int) (v_b_191_1 Int) (v_b_190_1 Int) (v_v_1983_1 Int) (v_b_193_1 Int) (v_b_192_1 Int) (v_v_1981_1 Int)) (let ((.cse4 (+ v_b_189_1 2)) (.cse11 (+ c_ULTIMATE.start_main_p1 3)) (.cse15 (+ v_b_184_1 2)) (.cse18 (+ v_b_184_1 5)) (.cse16 (+ v_b_185_1 2)) (.cse7 (+ v_b_189_1 1)) (.cse17 (+ v_b_188_1 1)) (.cse1 (+ v_b_186_1 2)) (.cse2 (+ v_b_184_1 3)) (.cse19 (+ v_b_190_1 2)) (.cse20 (+ v_b_187_1 1)) (.cse3 (+ v_b_188_1 3)) (.cse13 (+ v_b_185_1 1)) (.cse9 (+ c_ULTIMATE.start_main_p1 1)) (.cse28 (+ v_b_184_1 4)) (.cse27 (+ c_ULTIMATE.start_main_p1 6)) (.cse8 (+ v_b_186_1 4)) (.cse21 (+ v_b_185_1 4)) (.cse23 (+ v_b_185_1 3)) (.cse25 (+ c_ULTIMATE.start_main_p1 4)) (.cse0 (+ v_b_188_1 2)) (.cse5 (+ v_b_192_1 1)) (.cse30 (+ v_b_187_1 2)) (.cse22 (+ v_b_191_1 1)) (.cse29 (+ c_ULTIMATE.start_main_p1 2)) (.cse24 (+ v_b_194_1 1)) (.cse14 (+ v_b_187_1 3)) (.cse12 (+ v_b_190_1 1)) (.cse31 (+ v_b_186_1 3)) (.cse26 (+ v_b_184_1 1)) (.cse6 (+ c_ULTIMATE.start_main_p1 5)) (.cse10 (+ v_b_186_1 1))) (and (<= .cse0 v_b_191_1) (<= .cse1 v_b_189_1) (<= .cse2 v_b_189_1) (<= (+ v_b_184_1 6) v_b_195_1) (or (< v_idx_137 v_b_188_1) (= (select |c_#memory_int| v_idx_137) v_v_1982_1) (<= v_b_189_1 v_idx_137)) (<= (+ v_b_191_1 2) v_b_195_1) (<= .cse3 v_b_193_1) (<= .cse4 v_b_193_1) (<= .cse4 v_b_194_1) (<= v_b_193_1 .cse5) (<= v_b_193_1 v_b_194_1) (<= .cse6 v_b_191_1) (<= .cse7 v_b_191_1) (or (<= v_b_185_1 v_idx_133) (= (select |c_#memory_int| v_idx_133) 0) (< v_idx_133 v_b_184_1)) (<= .cse8 v_b_193_1) (<= v_v_1982_1 0) (<= .cse5 v_b_194_1) (or (< v_idx_131 c_ULTIMATE.start_main_p1) (<= .cse9 v_idx_131) (= (select |c_#memory_int| v_idx_131) 0)) (<= v_b_187_1 .cse10) (<= (+ v_b_187_1 4) v_b_195_1) (<= .cse11 v_b_187_1) (<= v_b_191_1 .cse12) (<= (+ v_b_186_1 5) v_b_195_1) (<= (+ v_b_193_1 1) v_b_195_1) (<= .cse13 v_b_188_1) (<= .cse14 v_b_194_1) (<= .cse15 v_b_187_1) (or (= (select |c_#memory_int| v_idx_144) v_v_1989_1) (< v_idx_144 v_b_195_1)) (<= .cse16 v_b_190_1) (<= (+ v_b_190_1 3) v_b_195_1) (or (<= v_b_192_1 v_idx_140) (< v_idx_140 v_b_191_1) (= (select |c_#memory_int| v_idx_140) v_v_1985_1)) (<= v_b_189_1 .cse17) (<= .cse18 v_b_194_1) (<= .cse19 v_b_194_1) (<= .cse20 v_b_189_1) (<= .cse11 v_b_188_1) (<= .cse15 v_b_188_1) (<= .cse21 v_b_193_1) (<= .cse22 v_b_193_1) (<= (+ v_b_192_1 2) v_b_195_1) (<= .cse23 v_b_191_1) (<= .cse9 v_b_184_1) (<= v_b_185_1 v_b_186_1) (<= .cse24 v_b_195_1) (<= .cse17 v_b_189_1) (<= .cse18 v_b_193_1) (or (<= v_b_186_1 v_idx_134) (< v_idx_134 v_b_185_1) (= (select |c_#memory_int| v_idx_134) v_v_1979_1)) (<= .cse16 v_b_189_1) (or (= 0 (select |c_#memory_int| v_idx_141)) (< v_idx_141 v_b_192_1) (<= v_b_193_1 v_idx_141)) (<= (+ v_b_188_1 4) v_b_195_1) (<= .cse12 v_b_192_1) (<= (+ v_b_185_1 5) v_b_195_1) (<= .cse7 v_b_192_1) (<= .cse17 v_b_190_1) (<= .cse1 v_b_190_1) (<= (+ v_b_189_1 3) v_b_195_1) (<= .cse2 v_b_190_1) (<= .cse19 v_b_193_1) (<= .cse25 v_b_189_1) (<= .cse20 v_b_190_1) (<= .cse26 v_b_186_1) (<= .cse27 v_b_194_1) (<= .cse3 v_b_194_1) (<= v_b_185_1 .cse26) (<= .cse13 v_b_187_1) (or (< v_idx_132 .cse9) (= (select |c_#memory_int| v_idx_132) v_v_1977_1) (<= v_b_184_1 v_idx_132)) (<= (* 2 v_v_1982_1) 0) (or (<= v_b_194_1 v_idx_142) (< v_idx_142 v_b_193_1) (= (select |c_#memory_int| v_idx_142) v_v_1987_1)) (<= .cse28 v_b_191_1) (<= (+ c_ULTIMATE.start_main_p1 7) v_b_195_1) (<= .cse28 v_b_192_1) (<= .cse27 v_b_193_1) (or (< v_idx_143 v_b_194_1) (= (select |c_#memory_int| v_idx_143) 0) (<= v_b_195_1 v_idx_143)) (or (<= v_b_190_1 v_idx_138) (< v_idx_138 v_b_189_1) (= (select |c_#memory_int| v_idx_138) v_v_1983_1)) (<= .cse8 v_b_194_1) (or (< v_idx_139 v_b_190_1) (= (select |c_#memory_int| v_idx_139) 0) (<= v_b_191_1 v_idx_139)) (<= .cse21 v_b_194_1) (<= .cse23 v_b_192_1) (<= .cse25 v_b_190_1) (<= .cse29 v_b_186_1) (<= .cse0 v_b_192_1) (<= .cse5 v_b_193_1) (<= .cse30 v_b_191_1) (or (<= v_b_187_1 v_idx_135) (< v_idx_135 v_b_186_1) (= (select |c_#memory_int| v_idx_135) 0)) (<= .cse30 v_b_192_1) (<= .cse31 v_b_191_1) (<= v_b_187_1 v_b_188_1) (<= .cse22 v_b_194_1) (<= .cse10 v_b_187_1) (<= .cse29 v_b_185_1) (<= v_b_195_1 .cse24) (or (= (select |c_#memory_int| v_idx_136) v_v_1981_1) (< v_idx_136 v_b_187_1) (<= v_b_188_1 v_idx_136)) (or (= (select |c_#memory_int| v_idx_130) v_v_1975_1) (<= c_ULTIMATE.start_main_p1 v_idx_130)) (<= .cse14 v_b_193_1) (<= .cse12 v_b_191_1) (<= v_b_189_1 v_b_190_1) (<= .cse31 v_b_192_1) (<= .cse26 v_b_185_1) (<= .cse6 v_b_192_1) (<= .cse10 v_b_188_1) (<= v_b_191_1 v_b_192_1))))) is different from true [2019-01-07 22:12:21,497 INFO L420 sIntCurrentIteration]: We unified 2 AI predicates to 2 [2019-01-07 22:12:21,497 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-01-07 22:12:21,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-07 22:12:21,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2019-01-07 22:12:21,498 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 22:12:21,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-07 22:12:21,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-07 22:12:21,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=2, Unknown=3, NotChecked=2, Total=12 [2019-01-07 22:12:21,500 INFO L87 Difference]: Start difference. First operand 17 states and 30 transitions. Second operand 4 states. [2019-01-07 22:12:24,601 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_idx_137 Int) (v_idx_138 Int) (v_idx_135 Int) (v_idx_136 Int) (v_idx_139 Int) (v_idx_140 Int) (v_idx_141 Int) (v_idx_130 Int) (v_idx_144 Int) (v_idx_133 Int) (v_idx_134 Int) (v_idx_142 Int) (v_idx_131 Int) (v_idx_143 Int) (v_idx_132 Int)) (exists ((v_b_195_1 Int) (v_v_1987_1 Int) (v_v_1975_1 Int) (v_b_184_1 Int) (v_b_194_1 Int) (v_b_185_1 Int) (v_b_186_1 Int) (v_v_1985_1 Int) (v_b_187_1 Int) (v_v_1979_1 Int) (v_b_188_1 Int) (v_b_189_1 Int) (v_v_1989_1 Int) (v_v_1977_1 Int) (v_v_1982_1 Int) (v_b_191_1 Int) (v_b_190_1 Int) (v_v_1983_1 Int) (v_b_193_1 Int) (v_b_192_1 Int) (v_v_1981_1 Int)) (let ((.cse4 (+ v_b_189_1 2)) (.cse11 (+ c_ULTIMATE.start_main_p1 3)) (.cse15 (+ v_b_184_1 2)) (.cse18 (+ v_b_184_1 5)) (.cse16 (+ v_b_185_1 2)) (.cse7 (+ v_b_189_1 1)) (.cse17 (+ v_b_188_1 1)) (.cse1 (+ v_b_186_1 2)) (.cse2 (+ v_b_184_1 3)) (.cse19 (+ v_b_190_1 2)) (.cse20 (+ v_b_187_1 1)) (.cse3 (+ v_b_188_1 3)) (.cse13 (+ v_b_185_1 1)) (.cse9 (+ c_ULTIMATE.start_main_p1 1)) (.cse28 (+ v_b_184_1 4)) (.cse27 (+ c_ULTIMATE.start_main_p1 6)) (.cse8 (+ v_b_186_1 4)) (.cse21 (+ v_b_185_1 4)) (.cse23 (+ v_b_185_1 3)) (.cse25 (+ c_ULTIMATE.start_main_p1 4)) (.cse0 (+ v_b_188_1 2)) (.cse5 (+ v_b_192_1 1)) (.cse30 (+ v_b_187_1 2)) (.cse22 (+ v_b_191_1 1)) (.cse29 (+ c_ULTIMATE.start_main_p1 2)) (.cse24 (+ v_b_194_1 1)) (.cse14 (+ v_b_187_1 3)) (.cse12 (+ v_b_190_1 1)) (.cse31 (+ v_b_186_1 3)) (.cse26 (+ v_b_184_1 1)) (.cse6 (+ c_ULTIMATE.start_main_p1 5)) (.cse10 (+ v_b_186_1 1))) (and (<= .cse0 v_b_191_1) (<= .cse1 v_b_189_1) (<= .cse2 v_b_189_1) (<= (+ v_b_184_1 6) v_b_195_1) (or (< v_idx_137 v_b_188_1) (= (select |c_#memory_int| v_idx_137) v_v_1982_1) (<= v_b_189_1 v_idx_137)) (<= (+ v_b_191_1 2) v_b_195_1) (<= .cse3 v_b_193_1) (<= .cse4 v_b_193_1) (<= .cse4 v_b_194_1) (<= v_b_193_1 .cse5) (<= v_b_193_1 v_b_194_1) (<= .cse6 v_b_191_1) (<= .cse7 v_b_191_1) (or (<= v_b_185_1 v_idx_133) (= (select |c_#memory_int| v_idx_133) 0) (< v_idx_133 v_b_184_1)) (<= .cse8 v_b_193_1) (<= v_v_1982_1 0) (<= .cse5 v_b_194_1) (or (< v_idx_131 c_ULTIMATE.start_main_p1) (<= .cse9 v_idx_131) (= (select |c_#memory_int| v_idx_131) 0)) (<= v_b_187_1 .cse10) (<= (+ v_b_187_1 4) v_b_195_1) (<= .cse11 v_b_187_1) (<= v_b_191_1 .cse12) (<= (+ v_b_186_1 5) v_b_195_1) (<= (+ v_b_193_1 1) v_b_195_1) (<= .cse13 v_b_188_1) (<= .cse14 v_b_194_1) (<= .cse15 v_b_187_1) (or (= (select |c_#memory_int| v_idx_144) v_v_1989_1) (< v_idx_144 v_b_195_1)) (<= .cse16 v_b_190_1) (<= (+ v_b_190_1 3) v_b_195_1) (or (<= v_b_192_1 v_idx_140) (< v_idx_140 v_b_191_1) (= (select |c_#memory_int| v_idx_140) v_v_1985_1)) (<= v_b_189_1 .cse17) (<= .cse18 v_b_194_1) (<= .cse19 v_b_194_1) (<= .cse20 v_b_189_1) (<= .cse11 v_b_188_1) (<= .cse15 v_b_188_1) (<= .cse21 v_b_193_1) (<= .cse22 v_b_193_1) (<= (+ v_b_192_1 2) v_b_195_1) (<= .cse23 v_b_191_1) (<= .cse9 v_b_184_1) (<= v_b_185_1 v_b_186_1) (<= .cse24 v_b_195_1) (<= .cse17 v_b_189_1) (<= .cse18 v_b_193_1) (or (<= v_b_186_1 v_idx_134) (< v_idx_134 v_b_185_1) (= (select |c_#memory_int| v_idx_134) v_v_1979_1)) (<= .cse16 v_b_189_1) (or (= 0 (select |c_#memory_int| v_idx_141)) (< v_idx_141 v_b_192_1) (<= v_b_193_1 v_idx_141)) (<= (+ v_b_188_1 4) v_b_195_1) (<= .cse12 v_b_192_1) (<= (+ v_b_185_1 5) v_b_195_1) (<= .cse7 v_b_192_1) (<= .cse17 v_b_190_1) (<= .cse1 v_b_190_1) (<= (+ v_b_189_1 3) v_b_195_1) (<= .cse2 v_b_190_1) (<= .cse19 v_b_193_1) (<= .cse25 v_b_189_1) (<= .cse20 v_b_190_1) (<= .cse26 v_b_186_1) (<= .cse27 v_b_194_1) (<= .cse3 v_b_194_1) (<= v_b_185_1 .cse26) (<= .cse13 v_b_187_1) (or (< v_idx_132 .cse9) (= (select |c_#memory_int| v_idx_132) v_v_1977_1) (<= v_b_184_1 v_idx_132)) (<= (* 2 v_v_1982_1) 0) (or (<= v_b_194_1 v_idx_142) (< v_idx_142 v_b_193_1) (= (select |c_#memory_int| v_idx_142) v_v_1987_1)) (<= .cse28 v_b_191_1) (<= (+ c_ULTIMATE.start_main_p1 7) v_b_195_1) (<= .cse28 v_b_192_1) (<= .cse27 v_b_193_1) (or (< v_idx_143 v_b_194_1) (= (select |c_#memory_int| v_idx_143) 0) (<= v_b_195_1 v_idx_143)) (or (<= v_b_190_1 v_idx_138) (< v_idx_138 v_b_189_1) (= (select |c_#memory_int| v_idx_138) v_v_1983_1)) (<= .cse8 v_b_194_1) (or (< v_idx_139 v_b_190_1) (= (select |c_#memory_int| v_idx_139) 0) (<= v_b_191_1 v_idx_139)) (<= .cse21 v_b_194_1) (<= .cse23 v_b_192_1) (<= .cse25 v_b_190_1) (<= .cse29 v_b_186_1) (<= .cse0 v_b_192_1) (<= .cse5 v_b_193_1) (<= .cse30 v_b_191_1) (or (<= v_b_187_1 v_idx_135) (< v_idx_135 v_b_186_1) (= (select |c_#memory_int| v_idx_135) 0)) (<= .cse30 v_b_192_1) (<= .cse31 v_b_191_1) (<= v_b_187_1 v_b_188_1) (<= .cse22 v_b_194_1) (<= .cse10 v_b_187_1) (<= .cse29 v_b_185_1) (<= v_b_195_1 .cse24) (or (= (select |c_#memory_int| v_idx_136) v_v_1981_1) (< v_idx_136 v_b_187_1) (<= v_b_188_1 v_idx_136)) (or (= (select |c_#memory_int| v_idx_130) v_v_1975_1) (<= c_ULTIMATE.start_main_p1 v_idx_130)) (<= .cse14 v_b_193_1) (<= .cse12 v_b_191_1) (<= v_b_189_1 v_b_190_1) (<= .cse31 v_b_192_1) (<= .cse26 v_b_185_1) (<= .cse6 v_b_192_1) (<= .cse10 v_b_188_1) (<= v_b_191_1 v_b_192_1))))) (forall ((v_idx_126 Int) (v_idx_115 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_129 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_b_195_1 Int) (v_v_1975_1 Int) (v_v_1987_1 Int) (v_b_184_1 Int) (v_b_194_1 Int) (v_b_185_1 Int) (v_b_186_1 Int) (v_v_1985_1 Int) (v_b_187_1 Int) (v_v_1979_1 Int) (v_v_1977_1 Int) (v_v_1989_1 Int) (v_b_191_1 Int) (v_v_1982_1 Int) (v_b_190_1 Int) (v_v_1983_1 Int) (v_b_193_1 Int) (v_b_192_1 Int) (v_v_1981_1 Int)) (let ((.cse47 (+ v_b_184_1 4)) (.cse38 (+ c_ULTIMATE.start_main_p4 2)) (.cse45 (+ v_b_184_1 2)) (.cse41 (+ c_ULTIMATE.start_main_p1 6)) (.cse43 (+ v_b_186_1 4)) (.cse32 (+ v_b_184_1 5)) (.cse42 (+ v_b_185_1 1)) (.cse37 (+ v_b_190_1 2)) (.cse35 (+ v_b_192_1 1)) (.cse52 (+ v_b_187_1 2)) (.cse46 (+ c_ULTIMATE.start_main_p1 3)) (.cse49 (+ v_b_185_1 4)) (.cse51 (+ c_ULTIMATE.start_main_p1 2)) (.cse54 (+ v_b_191_1 1)) (.cse48 (+ v_b_187_1 3)) (.cse50 (+ v_b_185_1 3)) (.cse34 (+ v_b_190_1 1)) (.cse33 (+ c_ULTIMATE.start_main_p1 1)) (.cse56 (+ c_ULTIMATE.start_main_p4 3)) (.cse36 (+ c_ULTIMATE.start_main_p4 1)) (.cse53 (+ v_b_186_1 3)) (.cse40 (+ v_b_184_1 1)) (.cse55 (+ v_b_194_1 1)) (.cse39 (+ c_ULTIMATE.start_main_p1 5)) (.cse44 (+ v_b_186_1 1))) (and (<= .cse32 v_b_193_1) (or (= (select |c_#memory_int| v_idx_117) v_v_1977_1) (< v_idx_117 .cse33) (<= v_b_184_1 v_idx_117)) (<= (+ v_b_184_1 6) v_b_195_1) (<= .cse34 v_b_192_1) (<= (+ v_b_191_1 2) v_b_195_1) (<= (+ v_b_185_1 5) v_b_195_1) (<= v_b_187_1 c_ULTIMATE.start_main_p4) (or (<= v_b_185_1 v_idx_118) (< v_idx_118 v_b_184_1) (= (select |c_#memory_int| v_idx_118) 0)) (<= v_b_193_1 .cse35) (<= (+ v_b_186_1 2) v_b_190_1) (<= v_b_193_1 v_b_194_1) (or (< v_idx_122 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_122) v_v_1982_1) (<= .cse36 v_idx_122)) (<= (+ v_b_184_1 3) v_b_190_1) (<= .cse37 v_b_193_1) (<= .cse38 v_b_191_1) (or (= (select |c_#memory_int| v_idx_116) 0) (< v_idx_116 c_ULTIMATE.start_main_p1) (<= .cse33 v_idx_116)) (or (< v_idx_124 v_b_190_1) (<= v_b_191_1 v_idx_124) (= (select |c_#memory_int| v_idx_124) 0)) (<= (+ v_b_187_1 1) v_b_190_1) (<= .cse39 v_b_191_1) (<= .cse40 v_b_186_1) (or (< v_idx_129 v_b_195_1) (= (select |c_#memory_int| v_idx_129) v_v_1989_1)) (or (<= v_b_192_1 v_idx_125) (= (select |c_#memory_int| v_idx_125) v_v_1985_1) (< v_idx_125 v_b_191_1)) (<= .cse41 v_b_194_1) (<= v_b_185_1 .cse40) (<= .cse42 v_b_187_1) (<= .cse43 v_b_193_1) (<= v_v_1982_1 0) (<= .cse35 v_b_194_1) (<= v_b_187_1 .cse44) (<= .cse45 c_ULTIMATE.start_main_p4) (<= (* 2 v_v_1982_1) 0) (<= (+ v_b_187_1 4) v_b_195_1) (<= .cse46 v_b_187_1) (<= v_b_191_1 .cse34) (<= .cse47 v_b_191_1) (or (= (select |c_#memory_int| v_idx_120) 0) (<= v_b_187_1 v_idx_120) (< v_idx_120 v_b_186_1)) (<= (+ v_b_186_1 5) v_b_195_1) (<= (+ c_ULTIMATE.start_main_p1 7) v_b_195_1) (<= (+ v_b_193_1 1) v_b_195_1) (<= .cse47 v_b_192_1) (<= .cse38 v_b_192_1) (<= .cse48 v_b_194_1) (<= .cse36 v_b_190_1) (<= .cse45 v_b_187_1) (<= .cse41 v_b_193_1) (<= (+ v_b_185_1 2) v_b_190_1) (<= (+ v_b_190_1 3) v_b_195_1) (or (<= c_ULTIMATE.start_main_p1 v_idx_115) (= (select |c_#memory_int| v_idx_115) v_v_1975_1)) (<= .cse43 v_b_194_1) (<= .cse32 v_b_194_1) (<= .cse49 v_b_194_1) (<= .cse50 v_b_192_1) (<= (+ c_ULTIMATE.start_main_p1 4) v_b_190_1) (or (<= v_b_186_1 v_idx_119) (< v_idx_119 v_b_185_1) (= (select |c_#memory_int| v_idx_119) v_v_1979_1)) (<= .cse42 c_ULTIMATE.start_main_p4) (<= .cse51 v_b_186_1) (or (< v_idx_128 v_b_194_1) (<= v_b_195_1 v_idx_128) (= (select |c_#memory_int| v_idx_128) 0)) (or (= (select |c_#memory_int| v_idx_121) v_v_1981_1) (< v_idx_121 v_b_187_1) (<= c_ULTIMATE.start_main_p4 v_idx_121)) (<= .cse37 v_b_194_1) (<= .cse35 v_b_193_1) (<= .cse52 v_b_191_1) (or (< v_idx_127 v_b_193_1) (<= v_b_194_1 v_idx_127) (= (select |c_#memory_int| v_idx_127) v_v_1987_1)) (<= .cse52 v_b_192_1) (<= .cse53 v_b_191_1) (<= .cse54 v_b_194_1) (<= .cse46 c_ULTIMATE.start_main_p4) (<= .cse49 v_b_193_1) (<= .cse44 v_b_187_1) (<= .cse51 v_b_185_1) (<= v_b_195_1 .cse55) (<= .cse54 v_b_193_1) (<= (+ v_b_192_1 2) v_b_195_1) (<= .cse48 v_b_193_1) (or (< v_idx_126 v_b_192_1) (= 0 (select |c_#memory_int| v_idx_126)) (<= v_b_193_1 v_idx_126)) (<= .cse50 v_b_191_1) (<= .cse56 v_b_194_1) (<= .cse34 v_b_191_1) (<= .cse33 v_b_184_1) (<= .cse56 v_b_193_1) (or (< v_idx_123 .cse36) (= (select |c_#memory_int| v_idx_123) v_v_1983_1) (<= v_b_190_1 v_idx_123)) (<= .cse53 v_b_192_1) (<= .cse40 v_b_185_1) (<= v_b_185_1 v_b_186_1) (<= .cse55 v_b_195_1) (<= .cse39 v_b_192_1) (<= .cse44 c_ULTIMATE.start_main_p4) (<= v_b_191_1 v_b_192_1) (<= (+ c_ULTIMATE.start_main_p4 4) v_b_195_1)))))) is different from false [2019-01-07 22:12:38,862 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-07 22:12:38,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-07 22:12:38,864 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 22:12:38,868 INFO L168 Benchmark]: Toolchain (without parser) took 46249.11 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 664.6 MB. Max. memory is 7.1 GB. [2019-01-07 22:12:38,870 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 22:12:38,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.94 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 22:12:38,871 INFO L168 Benchmark]: Boogie Preprocessor took 37.64 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 22:12:38,872 INFO L168 Benchmark]: RCFGBuilder took 481.20 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 22:12:38,873 INFO L168 Benchmark]: TraceAbstraction took 45660.99 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 643.4 MB. Max. memory is 7.1 GB. [2019-01-07 22:12:38,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.94 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 37.64 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 481.20 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 45660.99 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 643.4 MB. 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...