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-9-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-15 11:26:17,740 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-15 11:26:17,742 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-15 11:26:17,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-15 11:26:17,758 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-15 11:26:17,761 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-15 11:26:17,762 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-15 11:26:17,765 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-15 11:26:17,767 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-15 11:26:17,773 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-15 11:26:17,775 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-15 11:26:17,779 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-15 11:26:17,780 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-15 11:26:17,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-15 11:26:17,783 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-15 11:26:17,784 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-15 11:26:17,785 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-15 11:26:17,787 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-15 11:26:17,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-15 11:26:17,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-15 11:26:17,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-15 11:26:17,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-15 11:26:17,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-02-15 11:26:17,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-02-15 11:26:17,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-02-15 11:26:17,795 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-02-15 11:26:17,796 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-02-15 11:26:17,797 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-02-15 11:26:17,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-02-15 11:26:17,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-02-15 11:26:17,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-02-15 11:26:17,801 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-02-15 11:26:17,802 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-02-15 11:26:17,802 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-02-15 11:26:17,803 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-02-15 11:26:17,804 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-02-15 11:26:17,804 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 [2019-02-15 11:26:17,824 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-15 11:26:17,825 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-15 11:26:17,825 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-15 11:26:17,826 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-15 11:26:17,826 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-15 11:26:17,826 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-15 11:26:17,826 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-15 11:26:17,826 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-15 11:26:17,827 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-15 11:26:17,827 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-02-15 11:26:17,827 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-15 11:26:17,827 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-15 11:26:17,827 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-15 11:26:17,828 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-15 11:26:17,828 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-15 11:26:17,829 INFO L133 SettingsManager]: * Use SBE=true [2019-02-15 11:26:17,829 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-15 11:26:17,829 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-15 11:26:17,829 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-15 11:26:17,829 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-15 11:26:17,830 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-15 11:26:17,831 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-15 11:26:17,831 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-15 11:26:17,831 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-15 11:26:17,831 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-15 11:26:17,832 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-15 11:26:17,832 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-15 11:26:17,832 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-15 11:26:17,833 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-15 11:26:17,833 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-15 11:26:17,833 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-15 11:26:17,833 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-15 11:26:17,833 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-15 11:26:17,834 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-15 11:26:17,834 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-15 11:26:17,834 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-15 11:26:17,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-15 11:26:17,834 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-15 11:26:17,835 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-15 11:26:17,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-15 11:26:17,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-15 11:26:17,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-15 11:26:17,903 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-15 11:26:17,904 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-15 11:26:17,905 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-9-limited.bpl [2019-02-15 11:26:17,905 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-9-limited.bpl' [2019-02-15 11:26:17,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-15 11:26:17,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-15 11:26:17,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-15 11:26:17,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-15 11:26:17,951 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-15 11:26:17,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/1) ... [2019-02-15 11:26:17,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/1) ... [2019-02-15 11:26:18,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-15 11:26:18,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-15 11:26:18,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-15 11:26:18,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-15 11:26:18,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/1) ... [2019-02-15 11:26:18,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/1) ... [2019-02-15 11:26:18,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/1) ... [2019-02-15 11:26:18,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/1) ... [2019-02-15 11:26:18,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/1) ... [2019-02-15 11:26:18,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/1) ... [2019-02-15 11:26:18,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/1) ... [2019-02-15 11:26:18,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-15 11:26:18,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-15 11:26:18,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-15 11:26:18,038 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-15 11:26:18,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (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 [2019-02-15 11:26:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-15 11:26:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-15 11:26:18,619 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-15 11:26:18,619 INFO L286 CfgBuilder]: Removed 21 assue(true) statements. [2019-02-15 11:26:18,620 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:26:18 BoogieIcfgContainer [2019-02-15 11:26:18,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-15 11:26:18,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-02-15 11:26:18,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-02-15 11:26:18,625 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-02-15 11:26:18,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:26:17" (1/2) ... [2019-02-15 11:26:18,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f3ddf9e and model type speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:26:18, skipping insertion in model container [2019-02-15 11:26:18,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:26:18" (2/2) ... [2019-02-15 11:26:18,628 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-9-limited.bpl [2019-02-15 11:26:18,637 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-02-15 11:26:18,645 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-02-15 11:26:18,662 INFO L257 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-02-15 11:26:18,695 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-02-15 11:26:18,695 INFO L383 AbstractCegarLoop]: Hoare is true [2019-02-15 11:26:18,696 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-02-15 11:26:18,696 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-02-15 11:26:18,696 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-02-15 11:26:18,696 INFO L387 AbstractCegarLoop]: Difference is false [2019-02-15 11:26:18,696 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-02-15 11:26:18,697 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-02-15 11:26:18,712 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-02-15 11:26:18,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-02-15 11:26:18,719 INFO L394 BasicCegarLoop]: Found error trace [2019-02-15 11:26:18,720 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-02-15 11:26:18,722 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8ASSERT_VIOLATIONASSERT]=== [2019-02-15 11:26:18,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-15 11:26:18,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1000, now seen corresponding path program 1 times [2019-02-15 11:26:18,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-15 11:26:18,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-15 11:26:18,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-15 11:26:18,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-15 11:26:18,784 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-15 11:26:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-15 11:26:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-15 11:26:18,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-02-15 11:26:18,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-02-15 11:26:18,927 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-15 11:26:18,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-02-15 11:26:18,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-02-15 11:26:18,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-15 11:26:18,947 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-02-15 11:26:19,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-15 11:26:19,241 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2019-02-15 11:26:19,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-02-15 11:26:19,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-02-15 11:26:19,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-15 11:26:19,257 INFO L225 Difference]: With dead ends: 41 [2019-02-15 11:26:19,257 INFO L226 Difference]: Without dead ends: 36 [2019-02-15 11:26:19,260 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 [2019-02-15 11:26:19,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-02-15 11:26:19,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 20. [2019-02-15 11:26:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-02-15 11:26:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 37 transitions. [2019-02-15 11:26:19,318 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 37 transitions. Word has length 2 [2019-02-15 11:26:19,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-15 11:26:19,319 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 37 transitions. [2019-02-15 11:26:19,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-02-15 11:26:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2019-02-15 11:26:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-02-15 11:26:19,320 INFO L394 BasicCegarLoop]: Found error trace [2019-02-15 11:26:19,320 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-02-15 11:26:19,328 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8ASSERT_VIOLATIONASSERT]=== [2019-02-15 11:26:19,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-15 11:26:19,328 INFO L82 PathProgramCache]: Analyzing trace with hash 30388, now seen corresponding path program 1 times [2019-02-15 11:26:19,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-15 11:26:19,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-15 11:26:19,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-15 11:26:19,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-15 11:26:19,330 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-15 11:26:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-15 11:26:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-15 11:26:19,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-15 11:26:19,568 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-15 11:26:19,569 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-02-15 11:26:19,571 INFO L207 CegarAbsIntRunner]: [0], [18], [39] [2019-02-15 11:26:19,643 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-02-15 11:26:19,644 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-15 11:26:47,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-02-15 11:26:47,633 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. [2019-02-15 11:26:47,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-15 11:26:47,639 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-02-15 11:26:48,823 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-02-15 11:26:51,644 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_58 Int) (v_idx_68 Int) (v_idx_66 Int) (v_idx_55 Int) (v_idx_52 Int) (v_idx_74 Int) (v_idx_64 Int) (v_idx_72 Int) (v_idx_62 Int) (v_idx_70 Int) (v_idx_60 Int)) (let ((.cse6 (+ c_ULTIMATE.start_main_p1 8)) (.cse9 (+ c_ULTIMATE.start_main_p5 1)) (.cse5 (+ c_ULTIMATE.start_main_p3 1)) (.cse7 (+ c_ULTIMATE.start_main_p6 1)) (.cse11 (+ c_ULTIMATE.start_main_p2 7)) (.cse4 (+ c_ULTIMATE.start_main_p7 1)) (.cse3 (+ c_ULTIMATE.start_main_p4 1)) (.cse10 (+ c_ULTIMATE.start_main_p7 2)) (.cse1 (+ c_ULTIMATE.start_main_p9 1)) (.cse13 (+ c_ULTIMATE.start_main_p4 5)) (.cse0 (+ c_ULTIMATE.start_main_p8 1)) (.cse8 (+ c_ULTIMATE.start_main_p3 6)) (.cse14 (+ c_ULTIMATE.start_main_p5 4)) (.cse15 (+ c_ULTIMATE.start_main_p1 1)) (.cse16 (+ c_ULTIMATE.start_main_p2 1)) (.cse12 (+ c_ULTIMATE.start_main_p6 3))) (and (<= (+ c_ULTIMATE.start_main_p5 2) c_ULTIMATE.start_main_p7) (or (<= .cse0 v_idx_72) (= 0 (select |c_#memory_int| v_idx_72)) (< v_idx_72 c_ULTIMATE.start_main_p8)) (or (<= .cse1 v_idx_52) (< v_idx_52 c_ULTIMATE.start_main_p9) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_52))) (<= (+ c_ULTIMATE.start_main_p3 5) c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_main_p2 5) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p2 6) c_ULTIMATE.start_main_p8) (<= .cse0 c_ULTIMATE.start_main_p9) (or (let ((.cse2 (select |c_#memory_int| v_idx_64))) (and (<= (* 2 .cse2) 0) (<= .cse2 0))) (<= .cse3 v_idx_64) (< v_idx_64 c_ULTIMATE.start_main_p4)) (<= .cse4 c_ULTIMATE.start_main_p8) (or (< v_idx_62 c_ULTIMATE.start_main_p3) (= 0 (select |c_#memory_int| v_idx_62)) (<= .cse5 v_idx_62)) (<= (+ c_ULTIMATE.start_main_p3 4) c_ULTIMATE.start_main_p7) (<= .cse6 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p1 2) c_ULTIMATE.start_main_p3) (<= (+ c_ULTIMATE.start_main_p2 4) c_ULTIMATE.start_main_p6) (or (< v_idx_68 c_ULTIMATE.start_main_p6) (<= .cse7 v_idx_68) (= 0 (select |c_#memory_int| v_idx_68))) (<= .cse8 c_ULTIMATE.start_malloc_ptr) (<= .cse9 c_ULTIMATE.start_main_p6) (<= .cse6 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p1 6) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p1 4) c_ULTIMATE.start_main_p5) (or (< v_idx_66 c_ULTIMATE.start_main_p5) (<= .cse9 v_idx_66) (= 0 (select |c_#memory_int| v_idx_66))) (<= .cse5 c_ULTIMATE.start_main_p4) (<= .cse10 c_ULTIMATE.start_malloc_ptr) (<= .cse7 c_ULTIMATE.start_main_p7) (<= .cse11 c_ULTIMATE.start_malloc_ptr) (<= .cse11 c_ULTIMATE.start_main_p9) (or (< v_idx_70 c_ULTIMATE.start_main_p7) (<= .cse4 v_idx_70) (= 0 (select |c_#memory_int| v_idx_70))) (<= .cse12 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p3 3) c_ULTIMATE.start_main_p6) (or (< v_idx_55 c_ULTIMATE.start_main_p9) (= 1 (select |c_#valid| v_idx_55)) (<= .cse1 v_idx_55)) (<= .cse13 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p6 2) c_ULTIMATE.start_main_p8) (<= .cse3 c_ULTIMATE.start_main_p5) (<= (+ c_ULTIMATE.start_main_p1 7) c_ULTIMATE.start_main_p8) (<= .cse14 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p2 3) c_ULTIMATE.start_main_p5) (<= .cse10 c_ULTIMATE.start_main_p9) (or (<= .cse1 v_idx_74) (< v_idx_74 c_ULTIMATE.start_main_p9) (= (select |c_#memory_int| v_idx_74) 0)) (<= .cse13 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p4 3) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p3 2) c_ULTIMATE.start_main_p5) (<= (+ c_ULTIMATE.start_main_p1 3) c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p1 5) c_ULTIMATE.start_main_p6) (or (= 0 (select |c_#memory_int| v_idx_58)) (<= .cse15 v_idx_58) (< v_idx_58 c_ULTIMATE.start_main_p1)) (<= (+ c_ULTIMATE.start_main_p4 4) c_ULTIMATE.start_main_p8) (<= .cse16 c_ULTIMATE.start_main_p3) (<= .cse0 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p2 2) c_ULTIMATE.start_main_p4) (<= .cse8 c_ULTIMATE.start_main_p9) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 3) c_ULTIMATE.start_main_p8) (<= .cse14 c_ULTIMATE.start_main_p9) (<= .cse15 c_ULTIMATE.start_main_p2) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p4 2) c_ULTIMATE.start_main_p6) (or (<= .cse16 v_idx_60) (< v_idx_60 c_ULTIMATE.start_main_p2) (= 0 (select |c_#memory_int| v_idx_60))) (<= .cse12 c_ULTIMATE.start_malloc_ptr)))) is different from false [2019-02-15 11:26:54,599 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_idx_89 Int) (v_idx_87 Int) (v_idx_99 Int) (v_idx_77 Int) (v_idx_85 Int) (v_idx_97 Int) (v_idx_83 Int) (v_idx_95 Int) (v_idx_93 Int) (v_idx_91 Int) (v_idx_80 Int)) (let ((.cse0 (+ c_ULTIMATE.start_main_p5 1)) (.cse9 (+ c_ULTIMATE.start_main_p1 8)) (.cse8 (+ c_ULTIMATE.start_main_p3 1)) (.cse13 (+ c_ULTIMATE.start_main_p2 7)) (.cse12 (+ c_ULTIMATE.start_main_p6 1)) (.cse1 (+ c_ULTIMATE.start_main_p4 1)) (.cse11 (+ c_ULTIMATE.start_main_p7 2)) (.cse15 (+ c_ULTIMATE.start_main_p4 5)) (.cse6 (+ c_ULTIMATE.start_main_p7 1)) (.cse5 (+ c_ULTIMATE.start_main_p2 1)) (.cse4 (+ c_ULTIMATE.start_main_p8 1)) (.cse10 (+ c_ULTIMATE.start_main_p3 6)) (.cse3 (+ c_ULTIMATE.start_main_p9 1)) (.cse16 (+ c_ULTIMATE.start_main_p5 4)) (.cse7 (+ c_ULTIMATE.start_main_p1 1)) (.cse14 (+ c_ULTIMATE.start_main_p6 3))) (and (<= (+ c_ULTIMATE.start_main_p5 2) c_ULTIMATE.start_main_p7) (or (<= .cse0 v_idx_91) (= 0 (select |c_#memory_int| v_idx_91)) (< v_idx_91 c_ULTIMATE.start_main_p5)) (or (<= .cse1 v_idx_89) (let ((.cse2 (select |c_#memory_int| v_idx_89))) (and (<= .cse2 0) (<= (* 2 .cse2) 0))) (< v_idx_89 c_ULTIMATE.start_main_p4)) (or (< v_idx_99 c_ULTIMATE.start_main_p9) (= 0 (select |c_#memory_int| v_idx_99)) (<= .cse3 v_idx_99)) (<= (+ c_ULTIMATE.start_main_p3 5) c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_main_p2 5) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p2 6) c_ULTIMATE.start_main_p8) (<= .cse4 c_ULTIMATE.start_main_p9) (or (<= .cse5 v_idx_85) (< v_idx_85 c_ULTIMATE.start_main_p2) (= 0 (select |c_#memory_int| v_idx_85))) (<= .cse6 c_ULTIMATE.start_main_p8) (or (<= .cse7 v_idx_83) (= 0 (select |c_#memory_int| v_idx_83)) (< v_idx_83 c_ULTIMATE.start_main_p1)) (or (< v_idx_87 c_ULTIMATE.start_main_p3) (= 0 (select |c_#memory_int| v_idx_87)) (<= .cse8 v_idx_87)) (<= (+ c_ULTIMATE.start_main_p3 4) c_ULTIMATE.start_main_p7) (<= .cse9 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p1 2) c_ULTIMATE.start_main_p3) (<= (+ c_ULTIMATE.start_main_p2 4) c_ULTIMATE.start_main_p6) (<= .cse10 c_ULTIMATE.start_malloc_ptr) (<= .cse0 c_ULTIMATE.start_main_p6) (<= .cse9 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p1 6) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p1 4) c_ULTIMATE.start_main_p5) (<= .cse8 c_ULTIMATE.start_main_p4) (<= .cse11 c_ULTIMATE.start_malloc_ptr) (<= .cse12 c_ULTIMATE.start_main_p7) (or (<= .cse3 v_idx_77) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (< v_idx_77 c_ULTIMATE.start_main_p9)) (<= .cse13 c_ULTIMATE.start_malloc_ptr) (<= .cse13 c_ULTIMATE.start_main_p9) (or (<= .cse4 v_idx_97) (= 0 (select |c_#memory_int| v_idx_97)) (< v_idx_97 c_ULTIMATE.start_main_p8)) (<= .cse14 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p3 3) c_ULTIMATE.start_main_p6) (or (<= .cse12 v_idx_93) (< v_idx_93 c_ULTIMATE.start_main_p6) (= 0 (select |c_#memory_int| v_idx_93))) (<= .cse15 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p6 2) c_ULTIMATE.start_main_p8) (<= .cse1 c_ULTIMATE.start_main_p5) (<= (+ c_ULTIMATE.start_main_p1 7) c_ULTIMATE.start_main_p8) (<= .cse16 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p2 3) c_ULTIMATE.start_main_p5) (<= .cse11 c_ULTIMATE.start_main_p9) (<= .cse15 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p4 3) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p3 2) c_ULTIMATE.start_main_p5) (<= (+ c_ULTIMATE.start_main_p1 3) c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p1 5) c_ULTIMATE.start_main_p6) (or (< v_idx_95 c_ULTIMATE.start_main_p7) (= 0 (select |c_#memory_int| v_idx_95)) (<= .cse6 v_idx_95)) (<= (+ c_ULTIMATE.start_main_p4 4) c_ULTIMATE.start_main_p8) (<= .cse5 c_ULTIMATE.start_main_p3) (<= .cse4 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p2 2) c_ULTIMATE.start_main_p4) (<= .cse10 c_ULTIMATE.start_main_p9) (or (<= .cse3 v_idx_80) (= (select |c_#valid| v_idx_80) 1) (< v_idx_80 c_ULTIMATE.start_main_p9)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 3) c_ULTIMATE.start_main_p8) (<= .cse16 c_ULTIMATE.start_main_p9) (<= .cse7 c_ULTIMATE.start_main_p2) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p4 2) c_ULTIMATE.start_main_p6) (<= .cse14 c_ULTIMATE.start_malloc_ptr)))) is different from false [2019-02-15 11:26:54,614 INFO L420 sIntCurrentIteration]: We unified 2 AI predicates to 2 [2019-02-15 11:26:54,614 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-02-15 11:26:54,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-02-15 11:26:54,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2019-02-15 11:26:54,617 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-15 11:26:54,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-02-15 11:26:54,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-02-15 11:26:54,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2019-02-15 11:26:54,619 INFO L87 Difference]: Start difference. First operand 20 states and 37 transitions. Second operand 4 states. [2019-02-15 11:26:58,100 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_idx_58 Int) (v_idx_68 Int) (v_idx_66 Int) (v_idx_55 Int) (v_idx_52 Int) (v_idx_74 Int) (v_idx_64 Int) (v_idx_72 Int) (v_idx_62 Int) (v_idx_70 Int) (v_idx_60 Int)) (let ((.cse6 (+ c_ULTIMATE.start_main_p1 8)) (.cse9 (+ c_ULTIMATE.start_main_p5 1)) (.cse5 (+ c_ULTIMATE.start_main_p3 1)) (.cse7 (+ c_ULTIMATE.start_main_p6 1)) (.cse11 (+ c_ULTIMATE.start_main_p2 7)) (.cse4 (+ c_ULTIMATE.start_main_p7 1)) (.cse3 (+ c_ULTIMATE.start_main_p4 1)) (.cse10 (+ c_ULTIMATE.start_main_p7 2)) (.cse1 (+ c_ULTIMATE.start_main_p9 1)) (.cse13 (+ c_ULTIMATE.start_main_p4 5)) (.cse0 (+ c_ULTIMATE.start_main_p8 1)) (.cse8 (+ c_ULTIMATE.start_main_p3 6)) (.cse14 (+ c_ULTIMATE.start_main_p5 4)) (.cse15 (+ c_ULTIMATE.start_main_p1 1)) (.cse16 (+ c_ULTIMATE.start_main_p2 1)) (.cse12 (+ c_ULTIMATE.start_main_p6 3))) (and (<= (+ c_ULTIMATE.start_main_p5 2) c_ULTIMATE.start_main_p7) (or (<= .cse0 v_idx_72) (= 0 (select |c_#memory_int| v_idx_72)) (< v_idx_72 c_ULTIMATE.start_main_p8)) (or (<= .cse1 v_idx_52) (< v_idx_52 c_ULTIMATE.start_main_p9) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_52))) (<= (+ c_ULTIMATE.start_main_p3 5) c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_main_p2 5) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p2 6) c_ULTIMATE.start_main_p8) (<= .cse0 c_ULTIMATE.start_main_p9) (or (let ((.cse2 (select |c_#memory_int| v_idx_64))) (and (<= (* 2 .cse2) 0) (<= .cse2 0))) (<= .cse3 v_idx_64) (< v_idx_64 c_ULTIMATE.start_main_p4)) (<= .cse4 c_ULTIMATE.start_main_p8) (or (< v_idx_62 c_ULTIMATE.start_main_p3) (= 0 (select |c_#memory_int| v_idx_62)) (<= .cse5 v_idx_62)) (<= (+ c_ULTIMATE.start_main_p3 4) c_ULTIMATE.start_main_p7) (<= .cse6 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p1 2) c_ULTIMATE.start_main_p3) (<= (+ c_ULTIMATE.start_main_p2 4) c_ULTIMATE.start_main_p6) (or (< v_idx_68 c_ULTIMATE.start_main_p6) (<= .cse7 v_idx_68) (= 0 (select |c_#memory_int| v_idx_68))) (<= .cse8 c_ULTIMATE.start_malloc_ptr) (<= .cse9 c_ULTIMATE.start_main_p6) (<= .cse6 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p1 6) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p1 4) c_ULTIMATE.start_main_p5) (or (< v_idx_66 c_ULTIMATE.start_main_p5) (<= .cse9 v_idx_66) (= 0 (select |c_#memory_int| v_idx_66))) (<= .cse5 c_ULTIMATE.start_main_p4) (<= .cse10 c_ULTIMATE.start_malloc_ptr) (<= .cse7 c_ULTIMATE.start_main_p7) (<= .cse11 c_ULTIMATE.start_malloc_ptr) (<= .cse11 c_ULTIMATE.start_main_p9) (or (< v_idx_70 c_ULTIMATE.start_main_p7) (<= .cse4 v_idx_70) (= 0 (select |c_#memory_int| v_idx_70))) (<= .cse12 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p3 3) c_ULTIMATE.start_main_p6) (or (< v_idx_55 c_ULTIMATE.start_main_p9) (= 1 (select |c_#valid| v_idx_55)) (<= .cse1 v_idx_55)) (<= .cse13 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p6 2) c_ULTIMATE.start_main_p8) (<= .cse3 c_ULTIMATE.start_main_p5) (<= (+ c_ULTIMATE.start_main_p1 7) c_ULTIMATE.start_main_p8) (<= .cse14 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p2 3) c_ULTIMATE.start_main_p5) (<= .cse10 c_ULTIMATE.start_main_p9) (or (<= .cse1 v_idx_74) (< v_idx_74 c_ULTIMATE.start_main_p9) (= (select |c_#memory_int| v_idx_74) 0)) (<= .cse13 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p4 3) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p3 2) c_ULTIMATE.start_main_p5) (<= (+ c_ULTIMATE.start_main_p1 3) c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p1 5) c_ULTIMATE.start_main_p6) (or (= 0 (select |c_#memory_int| v_idx_58)) (<= .cse15 v_idx_58) (< v_idx_58 c_ULTIMATE.start_main_p1)) (<= (+ c_ULTIMATE.start_main_p4 4) c_ULTIMATE.start_main_p8) (<= .cse16 c_ULTIMATE.start_main_p3) (<= .cse0 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p2 2) c_ULTIMATE.start_main_p4) (<= .cse8 c_ULTIMATE.start_main_p9) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 3) c_ULTIMATE.start_main_p8) (<= .cse14 c_ULTIMATE.start_main_p9) (<= .cse15 c_ULTIMATE.start_main_p2) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p4 2) c_ULTIMATE.start_main_p6) (or (<= .cse16 v_idx_60) (< v_idx_60 c_ULTIMATE.start_main_p2) (= 0 (select |c_#memory_int| v_idx_60))) (<= .cse12 c_ULTIMATE.start_malloc_ptr)))) (forall ((v_idx_89 Int) (v_idx_87 Int) (v_idx_99 Int) (v_idx_77 Int) (v_idx_85 Int) (v_idx_97 Int) (v_idx_83 Int) (v_idx_95 Int) (v_idx_93 Int) (v_idx_91 Int) (v_idx_80 Int)) (let ((.cse17 (+ c_ULTIMATE.start_main_p5 1)) (.cse26 (+ c_ULTIMATE.start_main_p1 8)) (.cse25 (+ c_ULTIMATE.start_main_p3 1)) (.cse30 (+ c_ULTIMATE.start_main_p2 7)) (.cse29 (+ c_ULTIMATE.start_main_p6 1)) (.cse18 (+ c_ULTIMATE.start_main_p4 1)) (.cse28 (+ c_ULTIMATE.start_main_p7 2)) (.cse32 (+ c_ULTIMATE.start_main_p4 5)) (.cse23 (+ c_ULTIMATE.start_main_p7 1)) (.cse22 (+ c_ULTIMATE.start_main_p2 1)) (.cse21 (+ c_ULTIMATE.start_main_p8 1)) (.cse27 (+ c_ULTIMATE.start_main_p3 6)) (.cse20 (+ c_ULTIMATE.start_main_p9 1)) (.cse33 (+ c_ULTIMATE.start_main_p5 4)) (.cse24 (+ c_ULTIMATE.start_main_p1 1)) (.cse31 (+ c_ULTIMATE.start_main_p6 3))) (and (<= (+ c_ULTIMATE.start_main_p5 2) c_ULTIMATE.start_main_p7) (or (<= .cse17 v_idx_91) (= 0 (select |c_#memory_int| v_idx_91)) (< v_idx_91 c_ULTIMATE.start_main_p5)) (or (<= .cse18 v_idx_89) (let ((.cse19 (select |c_#memory_int| v_idx_89))) (and (<= .cse19 0) (<= (* 2 .cse19) 0))) (< v_idx_89 c_ULTIMATE.start_main_p4)) (or (< v_idx_99 c_ULTIMATE.start_main_p9) (= 0 (select |c_#memory_int| v_idx_99)) (<= .cse20 v_idx_99)) (<= (+ c_ULTIMATE.start_main_p3 5) c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_main_p2 5) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p2 6) c_ULTIMATE.start_main_p8) (<= .cse21 c_ULTIMATE.start_main_p9) (or (<= .cse22 v_idx_85) (< v_idx_85 c_ULTIMATE.start_main_p2) (= 0 (select |c_#memory_int| v_idx_85))) (<= .cse23 c_ULTIMATE.start_main_p8) (or (<= .cse24 v_idx_83) (= 0 (select |c_#memory_int| v_idx_83)) (< v_idx_83 c_ULTIMATE.start_main_p1)) (or (< v_idx_87 c_ULTIMATE.start_main_p3) (= 0 (select |c_#memory_int| v_idx_87)) (<= .cse25 v_idx_87)) (<= (+ c_ULTIMATE.start_main_p3 4) c_ULTIMATE.start_main_p7) (<= .cse26 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p1 2) c_ULTIMATE.start_main_p3) (<= (+ c_ULTIMATE.start_main_p2 4) c_ULTIMATE.start_main_p6) (<= .cse27 c_ULTIMATE.start_malloc_ptr) (<= .cse17 c_ULTIMATE.start_main_p6) (<= .cse26 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p1 6) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p1 4) c_ULTIMATE.start_main_p5) (<= .cse25 c_ULTIMATE.start_main_p4) (<= .cse28 c_ULTIMATE.start_malloc_ptr) (<= .cse29 c_ULTIMATE.start_main_p7) (or (<= .cse20 v_idx_77) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (< v_idx_77 c_ULTIMATE.start_main_p9)) (<= .cse30 c_ULTIMATE.start_malloc_ptr) (<= .cse30 c_ULTIMATE.start_main_p9) (or (<= .cse21 v_idx_97) (= 0 (select |c_#memory_int| v_idx_97)) (< v_idx_97 c_ULTIMATE.start_main_p8)) (<= .cse31 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p3 3) c_ULTIMATE.start_main_p6) (or (<= .cse29 v_idx_93) (< v_idx_93 c_ULTIMATE.start_main_p6) (= 0 (select |c_#memory_int| v_idx_93))) (<= .cse32 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p6 2) c_ULTIMATE.start_main_p8) (<= .cse18 c_ULTIMATE.start_main_p5) (<= (+ c_ULTIMATE.start_main_p1 7) c_ULTIMATE.start_main_p8) (<= .cse33 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p2 3) c_ULTIMATE.start_main_p5) (<= .cse28 c_ULTIMATE.start_main_p9) (<= .cse32 c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p4 3) c_ULTIMATE.start_main_p7) (<= (+ c_ULTIMATE.start_main_p3 2) c_ULTIMATE.start_main_p5) (<= (+ c_ULTIMATE.start_main_p1 3) c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p1 5) c_ULTIMATE.start_main_p6) (or (< v_idx_95 c_ULTIMATE.start_main_p7) (= 0 (select |c_#memory_int| v_idx_95)) (<= .cse23 v_idx_95)) (<= (+ c_ULTIMATE.start_main_p4 4) c_ULTIMATE.start_main_p8) (<= .cse22 c_ULTIMATE.start_main_p3) (<= .cse21 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p2 2) c_ULTIMATE.start_main_p4) (<= .cse27 c_ULTIMATE.start_main_p9) (or (<= .cse20 v_idx_80) (= (select |c_#valid| v_idx_80) 1) (< v_idx_80 c_ULTIMATE.start_main_p9)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 3) c_ULTIMATE.start_main_p8) (<= .cse33 c_ULTIMATE.start_main_p9) (<= .cse24 c_ULTIMATE.start_main_p2) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (+ c_ULTIMATE.start_main_p4 2) c_ULTIMATE.start_main_p6) (<= .cse31 c_ULTIMATE.start_malloc_ptr))))) is different from false [2019-02-15 11:27:09,203 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-02-15 11:27:09,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-02-15 11:27:09,205 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 [2019-02-15 11:27:09,213 INFO L168 Benchmark]: Toolchain (without parser) took 51264.25 ms. Allocated memory was 133.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 107.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 153.9 MB. Max. memory is 7.1 GB. [2019-02-15 11:27:09,218 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-15 11:27:09,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.63 ms. Allocated memory is still 133.7 MB. Free memory was 107.6 MB in the beginning and 105.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-02-15 11:27:09,220 INFO L168 Benchmark]: Boogie Preprocessor took 26.83 ms. Allocated memory is still 133.7 MB. Free memory was 105.0 MB in the beginning and 103.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-02-15 11:27:09,224 INFO L168 Benchmark]: RCFGBuilder took 583.38 ms. Allocated memory is still 133.7 MB. Free memory was 103.7 MB in the beginning and 89.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-02-15 11:27:09,225 INFO L168 Benchmark]: TraceAbstraction took 50590.86 ms. Allocated memory was 133.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 89.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 135.9 MB. Max. memory is 7.1 GB. [2019-02-15 11:27:09,232 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 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.63 ms. Allocated memory is still 133.7 MB. Free memory was 107.6 MB in the beginning and 105.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.83 ms. Allocated memory is still 133.7 MB. Free memory was 105.0 MB in the beginning and 103.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 583.38 ms. Allocated memory is still 133.7 MB. Free memory was 103.7 MB in the beginning and 89.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 50590.86 ms. Allocated memory was 133.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 89.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 135.9 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...