java -ea -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-4-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1377b90 [2019-01-07 14:57:29,691 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 14:57:29,693 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 14:57:29,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-07 14:57:29,751 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 14:57:29,776 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 14:57:29,776 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 14:57:29,777 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 14:57:29,777 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 14:57:29,777 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 14:57:29,778 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 14:57:29,778 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 14:57:29,778 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 14:57:29,778 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 14:57:29,779 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-07 14:57:29,779 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 14:57:29,780 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 14:57:29,780 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 14:57:29,781 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 14:57:29,781 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 14:57:29,781 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 14:57:29,781 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 14:57:29,782 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 14:57:29,783 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 14:57:29,784 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 14:57:29,784 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 14:57:29,784 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 14:57:29,784 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 14:57:29,784 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 14:57:29,784 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 14:57:29,785 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 14:57:29,785 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 14:57:29,785 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 14:57:29,786 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 14:57:29,786 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 14:57:29,786 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 14:57:29,786 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 14:57:29,786 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 14:57:29,787 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 14:57:29,787 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 14:57:29,787 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 14:57:29,787 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 14:57:29,787 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 14:57:29,788 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 14:57:29,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 14:57:29,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 14:57:29,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 14:57:29,867 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 14:57:29,867 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 14:57:29,868 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-4-limited.bpl [2019-01-07 14:57:29,868 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-4-limited.bpl' [2019-01-07 14:57:29,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 14:57:29,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 14:57:29,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 14:57:29,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 14:57:29,933 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 14:57:29,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/1) ... [2019-01-07 14:57:29,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/1) ... [2019-01-07 14:57:30,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 14:57:30,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 14:57:30,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 14:57:30,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 14:57:30,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/1) ... [2019-01-07 14:57:30,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/1) ... [2019-01-07 14:57:30,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/1) ... [2019-01-07 14:57:30,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/1) ... [2019-01-07 14:57:30,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/1) ... [2019-01-07 14:57:30,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/1) ... [2019-01-07 14:57:30,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/1) ... [2019-01-07 14:57:30,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 14:57:30,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 14:57:30,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 14:57:30,045 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 14:57:30,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (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 14:57:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 14:57:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 14:57:30,684 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 14:57:30,684 INFO L286 CfgBuilder]: Removed 11 assue(true) statements. [2019-01-07 14:57:30,686 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 02:57:30 BoogieIcfgContainer [2019-01-07 14:57:30,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 14:57:30,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-07 14:57:30,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-07 14:57:30,691 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-07 14:57:30,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 02:57:29" (1/2) ... [2019-01-07 14:57:30,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e70dfc and model type speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 02:57:30, skipping insertion in model container [2019-01-07 14:57:30,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 02:57:30" (2/2) ... [2019-01-07 14:57:30,695 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-4-limited.bpl [2019-01-07 14:57:30,705 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-07 14:57:30,714 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-07 14:57:30,733 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-07 14:57:30,768 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-07 14:57:30,769 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-07 14:57:30,769 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-07 14:57:30,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-07 14:57:30,769 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-07 14:57:30,769 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-07 14:57:30,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-07 14:57:30,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-07 14:57:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-01-07 14:57:30,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-01-07 14:57:30,793 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 14:57:30,794 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-01-07 14:57:30,797 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-01-07 14:57:30,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 14:57:30,804 INFO L82 PathProgramCache]: Analyzing trace with hash 980, now seen corresponding path program 1 times [2019-01-07 14:57:30,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 14:57:30,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 14:57:30,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 14:57:30,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 14:57:30,866 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 14:57:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 14:57:31,064 INFO L273 TraceCheckUtils]: 0: Hoare triple {14#true} havoc main_p1, main_p2, main_p3, main_p4;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;assume main_p1 < main_p2;assume main_p2 < main_p3;assume main_p3 < main_p4;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0]; {16#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 14:57:31,069 INFO L273 TraceCheckUtils]: 1: Hoare triple {16#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {15#false} is VALID [2019-01-07 14:57:31,071 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 14:57:31,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 14:57:31,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-07 14:57:31,074 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 14:57:31,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 14:57:31,081 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 14:57:31,084 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-07 14:57:31,096 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 14:57:31,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 14:57:31,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 14:57:31,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 14:57:31,107 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-01-07 14:57:31,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 14:57:31,414 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2019-01-07 14:57:31,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 14:57:31,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 14:57:31,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 14:57:31,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 14:57:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2019-01-07 14:57:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 14:57:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2019-01-07 14:57:31,424 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 27 transitions. [2019-01-07 14:57:31,653 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 14:57:31,665 INFO L225 Difference]: With dead ends: 21 [2019-01-07 14:57:31,665 INFO L226 Difference]: Without dead ends: 16 [2019-01-07 14:57:31,668 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 14:57:31,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-07 14:57:31,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 10. [2019-01-07 14:57:31,740 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 14:57:31,741 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 10 states. [2019-01-07 14:57:31,742 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 10 states. [2019-01-07 14:57:31,742 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 10 states. [2019-01-07 14:57:31,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 14:57:31,746 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2019-01-07 14:57:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2019-01-07 14:57:31,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 14:57:31,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 14:57:31,747 INFO L74 IsIncluded]: Start isIncluded. First operand 10 states. Second operand 16 states. [2019-01-07 14:57:31,747 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 16 states. [2019-01-07 14:57:31,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 14:57:31,750 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2019-01-07 14:57:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2019-01-07 14:57:31,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 14:57:31,754 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 14:57:31,755 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 14:57:31,755 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 14:57:31,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-07 14:57:31,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 17 transitions. [2019-01-07 14:57:31,762 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 17 transitions. Word has length 2 [2019-01-07 14:57:31,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 14:57:31,763 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 17 transitions. [2019-01-07 14:57:31,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 14:57:31,764 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2019-01-07 14:57:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 14:57:31,764 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 14:57:31,764 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 14:57:31,765 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-01-07 14:57:31,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 14:57:31,765 INFO L82 PathProgramCache]: Analyzing trace with hash 30306, now seen corresponding path program 1 times [2019-01-07 14:57:31,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 14:57:31,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 14:57:31,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 14:57:31,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 14:57:31,768 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 14:57:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 14:57:32,075 INFO L273 TraceCheckUtils]: 0: Hoare triple {86#true} havoc main_p1, main_p2, main_p3, main_p4;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;assume main_p1 < main_p2;assume main_p2 < main_p3;assume main_p3 < main_p4;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0]; {88#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} is VALID [2019-01-07 14:57:32,089 INFO L273 TraceCheckUtils]: 1: Hoare triple {88#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; {89#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 14:57:32,091 INFO L273 TraceCheckUtils]: 2: Hoare triple {89#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {87#false} is VALID [2019-01-07 14:57:32,091 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 14:57:32,091 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 14:57:32,092 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 14:57:32,092 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 14:57:32,097 INFO L207 CegarAbsIntRunner]: [0], [16], [19] [2019-01-07 14:57:32,164 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 14:57:32,164 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 14:57:36,057 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 14:57:36,057 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 14:57:36,063 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 14:57:36,065 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 14:57:36,069 WARN L224 ngHoareTripleChecker]: Pre: {2147483647#(forall ((v_idx_3 Int) (v_idx_4 Int) (v_idx_5 Int) (v_idx_1 Int) (v_idx_2 Int)) (exists ((v_v_0_1 Int) (v_v_1_1 Int) (v_v_2_1 Int) (v_v_3_1 Int) (v_v_4_1 Int)) (and (= (select |c_old(#memory_int)| v_idx_5) v_v_4_1) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_1) v_v_0_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_3)) (= v_v_1_1 (select |c_#valid| v_idx_2)) (= v_v_3_1 (select |c_#memory_int| v_idx_4)))))} [2019-01-07 14:57:36,069 WARN L228 ngHoareTripleChecker]: Action: havoc main_p1, main_p2, main_p3, main_p4;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;assume main_p1 < main_p2;assume main_p2 < main_p3;assume main_p3 < main_p4;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0]; [2019-01-07 14:57:36,070 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (< c_ULTIMATE.start_main_p3_primed c_ULTIMATE.start_main_p4_primed) (= (store |c_ULTIMATE.start_malloc_old_#valid_primed| c_ULTIMATE.start_malloc_ptr_primed 1) |c_#valid_primed|) (< c_ULTIMATE.start_main_p1_primed c_ULTIMATE.start_main_p2_primed) (= (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) |c_ULTIMATE.start_malloc_old_#valid_primed|) (= (select |c_#valid| c_ULTIMATE.start_main_p1_primed) 0) (< c_ULTIMATE.start_main_p2_primed c_ULTIMATE.start_main_p3_primed) (= c_ULTIMATE.start_main_p4_primed c_ULTIMATE.start_malloc_ptr_primed) (= |c_#memory_int_primed| (store (store (store (store |c_#memory_int| c_ULTIMATE.start_main_p1_primed 0) c_ULTIMATE.start_main_p2_primed 0) c_ULTIMATE.start_main_p3_primed 0) c_ULTIMATE.start_main_p4_primed 0)) (= 0 (select (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed)) (= (select (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed) 0) (= (select |c_ULTIMATE.start_malloc_old_#valid_primed| c_ULTIMATE.start_malloc_ptr_primed) 0)) [2019-01-07 14:57:36,071 WARN L230 ngHoareTripleChecker]: Post: {2147483646#(forall ((v_idx_14 Int) (v_idx_15 Int) (v_idx_12 Int) (v_idx_13 Int) (v_idx_21 Int) (v_idx_10 Int) (v_idx_22 Int) (v_idx_11 Int) (v_idx_20 Int) (v_idx_7 Int) (v_idx_8 Int) (v_idx_9 Int) (v_idx_6 Int) (v_idx_18 Int) (v_idx_19 Int) (v_idx_16 Int) (v_idx_17 Int)) (exists ((v_v_55_1 Int) (v_v_36_1 Int) (v_v_56_1 Int) (v_v_51_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_b_19_1 Int) (v_v_38_1 Int) (v_v_37_1 Int) (v_b_23_1 Int) (v_b_22_1 Int) (v_b_25_1 Int) (v_b_24_1 Int) (v_b_27_1 Int) (v_b_26_1 Int) (v_b_29_1 Int) (v_b_28_1 Int) (v_v_46_1 Int) (v_v_45_1 Int) (v_v_44_1 Int) (v_v_43_1 Int) (v_v_42_1 Int) (v_v_49_1 Int) (v_v_48_1 Int) (v_b_31_1 Int) (v_b_30_1 Int) (v_b_18_1 Int) (v_v_2_1 Int) (v_v_4_1 Int)) (and (<= (- v_b_28_1 v_b_30_1) (- 1)) (<= (- (- v_v_49_1) v_v_55_1) 0) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_27_1)) (- 1)) (<= (- (- v_v_46_1) v_v_55_1) 0) (<= (- c_ULTIMATE.start_main_p1 v_b_23_1) (- 4)) (<= (- v_v_55_1 (- v_v_55_1)) 0) (<= (- (- v_b_22_1) (- v_b_25_1)) (- 2)) (<= (- c_ULTIMATE.start_main_p2 v_b_27_1) (- 1)) (= c_ULTIMATE.start_main_p1 (+ v_b_25_1 (- 1))) (<= (- c_ULTIMATE.start_main_p2 v_b_18_1) (- 2)) (or (<= v_b_18_1 v_idx_16) (= v_v_36_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_16))) (or (= (select |c_#memory_int| v_idx_11) v_v_51_1) (<= v_b_28_1 v_idx_11) (< v_idx_11 v_b_27_1)) (<= (- (- v_v_46_1) v_v_46_1) 0) (<= (- v_b_18_1 v_b_22_1) 0) (<= (- v_b_28_1 v_b_31_1) (- 2)) (or (< v_idx_18 v_b_19_1) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_18) v_v_38_1)) (or (<= v_b_23_1 v_idx_21) (< v_idx_21 v_b_22_1) (= (select |c_#valid| v_idx_21) v_v_43_1)) (<= (- (- v_v_46_1) (- v_v_52_1)) 0) (<= (- (- v_b_26_1) (- v_b_27_1)) 1) (<= (- c_ULTIMATE.start_main_p4 v_b_31_1) (- 1)) (<= (- v_b_19_1 v_b_31_1) 0) (<= (- (- v_b_23_1) (- v_b_24_1)) (- 4)) (<= (- c_ULTIMATE.start_main_p1 v_b_25_1) (- 1)) (<= (- (- v_v_37_1) v_v_49_1) 0) (<= (- (- v_b_18_1) (- v_b_28_1)) (- 1)) (<= (- v_v_37_1 v_v_49_1) 0) (<= (- v_v_43_1 v_v_52_1) 1) (<= (- v_v_49_1 v_v_52_1) 0) (<= (- c_ULTIMATE.start_main_p4 v_b_18_1) 0) (<= (- c_ULTIMATE.start_main_p3 v_b_29_1) (- 1)) (<= (- v_b_27_1 v_b_28_1) 0) (<= (- c_ULTIMATE.start_main_p3 v_b_19_1) (- 2)) (<= (- (- v_v_46_1) v_v_52_1) 0) (or (<= v_b_25_1 v_idx_8) (< v_idx_8 v_b_24_1) (= v_v_46_1 (select |c_#memory_int| v_idx_8))) (<= (- (- c_ULTIMATE.start_main_p3) (- v_b_28_1)) 0) (<= (- v_v_43_1 (- v_v_52_1)) 1) (= (+ v_b_23_1 (- 1)) (+ v_b_19_1 (- 1))) (<= (- c_ULTIMATE.start_main_p1 v_b_26_1) (- 1)) (<= (- c_ULTIMATE.start_main_p3 v_b_22_1) (- 1)) (<= (- v_v_46_1 (- v_v_49_1)) 0) (<= (- v_v_37_1 (- v_v_49_1)) 0) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_31_1)) 1) (<= (- v_b_25_1 v_b_28_1) (- 1)) (<= (- v_b_19_1 v_b_22_1) 1) (<= (- v_b_27_1 v_b_31_1) (- 2)) (<= (- v_v_43_1 v_v_55_1) 1) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p4) (- 3)) (<= (- (- v_b_18_1) (- v_b_23_1)) 1) (<= (- (- v_b_22_1) (- v_b_31_1)) 1) (= (+ v_b_18_1 1) v_b_23_1) (= (+ v_b_31_1 (- 1)) (+ v_b_19_1 (- 1))) (or (<= v_b_24_1 v_idx_7) (= (select |c_#memory_int| v_idx_7) v_v_45_1)) (<= (- c_ULTIMATE.start_main_p2 v_b_28_1) (- 1)) (<= (- c_ULTIMATE.start_main_p3 v_b_18_1) (- 1)) (<= (- (- c_ULTIMATE.start_main_p3) (- v_b_24_1)) (- 2)) (<= (- v_b_18_1 v_b_31_1) (- 1)) (<= (- v_v_43_1 v_v_49_1) 1) (<= (- c_ULTIMATE.start_main_p1 v_b_18_1) (- 3)) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_31_1)) 1) (<= (- v_v_46_1 (- v_v_46_1)) 0) (<= (- v_v_49_1 (- v_v_55_1)) 0) (<= (- (- v_v_43_1) v_v_49_1) (- 1)) (<= (- (- v_v_43_1) v_v_55_1) (- 1)) (<= (- (- v_b_23_1) (- v_b_27_1)) (- 2)) (<= (- v_b_30_1 v_b_31_1) (- 1)) (<= (- (- v_v_43_1) (- v_v_46_1)) (- 1)) (= (+ c_ULTIMATE.start_main_p2 1) v_b_27_1) (<= (- v_v_46_1 v_v_52_1) 0) (<= (- v_v_37_1 (- v_v_43_1)) 1) (= (+ v_b_27_1 (- 1)) v_b_26_1) (or (< v_idx_22 v_b_23_1) (= (select |c_#valid| v_idx_22) v_v_44_1)) (<= (- v_b_18_1 v_b_30_1) 0) (<= (- c_ULTIMATE.start_main_p3 v_b_23_1) (- 2)) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_28_1)) (- 1)) (<= (- v_b_24_1 v_b_27_1) (- 2)) (<= (- (- v_b_18_1) (- v_b_30_1)) 0) (<= (- c_ULTIMATE.start_main_p2 v_b_29_1) (- 2)) (= v_b_28_1 c_ULTIMATE.start_main_p3) (= (+ v_b_28_1 1) (+ c_ULTIMATE.start_main_p3 1)) (= (+ c_ULTIMATE.start_main_p2 1) (+ v_b_26_1 1)) (<= (- v_v_43_1 (- v_v_46_1)) 1) (<= (- v_v_37_1 v_v_52_1) 0) (<= (- c_ULTIMATE.start_main_p4 v_b_22_1) 0) (<= (- (- c_ULTIMATE.start_main_p2) (- v_b_24_1)) (- 1)) (<= (- (- v_v_55_1) v_v_55_1) 0) (= (+ v_b_24_1 1) (+ c_ULTIMATE.start_main_p1 1)) (<= (- (- v_b_19_1) (- v_b_23_1)) 0) (<= (- v_v_43_1 v_v_46_1) 1) (<= (- (- v_b_19_1) (- v_b_26_1)) (- 3)) (<= (- v_b_27_1 v_b_29_1) (- 1)) (<= (- (- v_b_19_1) (- v_b_30_1)) (- 1)) (or (= (select |c_#memory_int| v_idx_15) v_v_56_1) (< v_idx_15 v_b_31_1)) (<= (- (- v_v_37_1) (- v_v_49_1)) 0) (<= (- (- v_b_22_1) (- v_b_26_1)) (- 2)) (<= (- v_v_52_1 v_v_55_1) 0) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_25_1)) (- 2)) (<= (- (- c_ULTIMATE.start_main_p3) (- v_b_26_1)) (- 1)) (<= (- c_ULTIMATE.start_main_p1 v_b_29_1) (- 3)) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_30_1)) 0) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_24_1)) (- 3)) (<= (- (- v_b_19_1) (- v_b_24_1)) (- 4)) (= (+ v_b_18_1 1) (+ c_ULTIMATE.start_main_p4 1)) (or (= (select |c_#memory_int| v_idx_9) v_v_48_1) (< v_idx_9 v_b_25_1) (<= v_b_26_1 v_idx_9)) (<= (- (- c_ULTIMATE.start_main_p2) (- v_b_26_1)) 0) (<= (- v_v_52_1 (- v_v_55_1)) 0) (= v_b_29_1 (+ c_ULTIMATE.start_main_p3 1)) (<= (- c_ULTIMATE.start_main_p2 v_b_23_1) (- 3)) (<= (- (- v_b_23_1) (- v_b_25_1)) (- 3)) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_25_1)) (- 2)) (<= (- v_v_46_1 v_v_55_1) 0) (<= (- v_b_29_1 v_b_30_1) 0) (<= (- v_b_24_1 v_b_31_1) (- 4)) (<= (- c_ULTIMATE.start_main_p4 c_ULTIMATE.start_malloc_ptr) 0) (= v_b_25_1 (+ c_ULTIMATE.start_main_p1 1)) (= (+ v_b_18_1 1) (+ v_b_22_1 1)) (<= (- (- v_v_37_1) (- v_v_55_1)) 0) (<= (- (- v_v_43_1) (- v_v_55_1)) (- 1)) (or (= (select |c_#memory_int| v_idx_13) v_v_54_1) (< v_idx_13 v_b_29_1) (<= v_b_30_1 v_idx_13)) (<= (- (- v_b_19_1) (- v_b_22_1)) (- 1)) (<= (- (- v_b_22_1) (- v_b_24_1)) (- 3)) (<= (- v_v_37_1 (- v_v_37_1)) 0) (<= (- (- v_v_49_1) v_v_49_1) 0) (<= (- c_ULTIMATE.start_main_p4 v_b_23_1) (- 1)) (<= (- (- v_v_43_1) (- v_v_49_1)) (- 1)) (<= (- (- v_v_43_1) (- v_v_52_1)) (- 1)) (<= (- c_ULTIMATE.start_main_p3 v_b_31_1) (- 2)) (<= (- v_v_37_1 (- v_v_52_1)) 0) (<= (- (- v_b_19_1) (- v_b_27_1)) (- 2)) (<= (- (- v_b_23_1) (- v_b_31_1)) 0) (<= (- c_ULTIMATE.start_main_p3 c_ULTIMATE.start_malloc_ptr) (- 1)) (<= (- (- v_b_28_1) (- v_b_29_1)) 1) (<= (- v_b_29_1 v_b_31_1) (- 1)) (= v_b_24_1 c_ULTIMATE.start_main_p1) (<= (- v_b_22_1 v_b_31_1) (- 1)) (<= (- c_ULTIMATE.start_main_p2 c_ULTIMATE.start_malloc_ptr) (- 2)) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_23_1)) 1) (<= (- (- v_b_23_1) (- v_b_30_1)) (- 1)) (<= (- (- v_b_22_1) (- v_b_23_1)) 1) (<= (- v_v_46_1 (- v_v_55_1)) 0) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_19_1)) 1) (<= (- c_ULTIMATE.start_main_p1 v_b_30_1) (- 3)) (<= (- (- v_b_18_1) (- v_b_19_1)) 1) (<= (- c_ULTIMATE.start_malloc_ptr v_b_18_1) 0) (<= (- v_b_22_1 v_b_23_1) (- 1)) (<= (- (- v_b_22_1) (- v_b_28_1)) (- 1)) (<= (- c_ULTIMATE.start_main_p2 c_ULTIMATE.start_main_p3) (- 1)) (<= (- (- v_b_30_1) (- v_b_31_1)) 1) (<= (- v_v_49_1 (- v_v_52_1)) 0) (<= (- (- c_ULTIMATE.start_main_p2) (- v_b_27_1)) 1) (<= (- v_b_26_1 v_b_28_1) (- 1)) (<= (- (- v_b_23_1) (- v_b_28_1)) (- 2)) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_22_1)) 0) (<= (- (- v_b_23_1) (- v_b_26_1)) (- 3)) (<= (- v_v_37_1 (- v_v_55_1)) 0) (<= (- (- v_v_43_1) v_v_52_1) (- 1)) (<= (- (- c_ULTIMATE.start_main_p1) (- v_b_25_1)) 1) (<= (- v_v_49_1 v_v_55_1) 0) (<= (- (- v_v_52_1) (- v_v_55_1)) 0) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_18_1)) 0) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_27_1)) (- 1)) (= (+ v_b_29_1 (- 1)) c_ULTIMATE.start_main_p3) (<= (- (- v_v_37_1) (- v_v_46_1)) 0) (<= (- c_ULTIMATE.start_main_p2 v_b_31_1) (- 3)) (= (+ v_b_18_1 1) v_b_19_1) (<= (- v_b_25_1 v_b_27_1) (- 1)) (or (< v_idx_17 v_b_18_1) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_17) v_v_37_1) (<= v_b_19_1 v_idx_17)) (<= (- (- v_v_37_1) v_v_55_1) 0) (<= (- c_ULTIMATE.start_main_p3 v_b_28_1) 0) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_24_1)) (- 3)) (<= (- c_ULTIMATE.start_main_p1 v_b_22_1) (- 3)) (<= (- (- v_b_24_1) (- v_b_25_1)) 1) (<= (- c_ULTIMATE.start_main_p1 v_b_28_1) (- 2)) (or (<= v_b_31_1 v_idx_14) (= (select |c_#memory_int| v_idx_14) v_v_55_1) (< v_idx_14 v_b_30_1)) (<= (- (- v_b_18_1) (- v_b_26_1)) (- 2)) (<= (- v_b_25_1 v_b_31_1) (- 3)) (<= (- (- v_v_37_1) (- v_v_52_1)) 0) (= (+ v_b_27_1 (- 1)) c_ULTIMATE.start_main_p2) (<= (- (- v_v_37_1) v_v_43_1) (- 1)) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_30_1)) 0) (<= (- c_ULTIMATE.start_main_p2 v_b_22_1) (- 2)) (<= (- c_ULTIMATE.start_main_p3 v_b_30_1) (- 1)) (<= (- (- v_v_46_1) (- v_v_49_1)) 0) (<= (- v_b_27_1 v_b_30_1) (- 1)) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_18_1)) 0) (<= (- c_ULTIMATE.start_main_p1 v_b_24_1) 0) (<= (- v_b_25_1 v_b_29_1) (- 2)) (<= (- (- v_v_37_1) v_v_46_1) 0) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_29_1)) 0) (<= (- c_ULTIMATE.start_main_p2 c_ULTIMATE.start_main_p4) (- 2)) (<= (- v_b_22_1 v_b_30_1) 0) (<= (- c_ULTIMATE.start_main_p2 v_b_26_1) 0) (<= (- (- v_b_18_1) (- v_b_22_1)) 0) (<= (- (- v_b_22_1) (- v_b_27_1)) (- 1)) (<= (- v_v_52_1 (- v_v_52_1)) 0) (<= (- c_ULTIMATE.start_main_p4 v_b_19_1) (- 1)) (<= (- (- v_v_49_1) v_v_52_1) 0) (or (<= v_b_27_1 v_idx_10) (= (select |c_#memory_int| v_idx_10) v_v_49_1) (< v_idx_10 v_b_26_1)) (<= (- (- v_b_23_1) (- v_b_29_1)) (- 1)) (<= (- (- v_b_18_1) (- v_b_24_1)) (- 3)) (<= (- v_v_37_1 v_v_46_1) 0) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_29_1)) 0) (<= (- v_v_37_1 v_v_43_1) (- 1)) (<= (- c_ULTIMATE.start_main_p1 v_b_19_1) (- 4)) (<= (- (- c_ULTIMATE.start_main_p2) (- v_b_25_1)) 0) (<= (- (- v_b_19_1) (- v_b_29_1)) (- 1)) (<= (- c_ULTIMATE.start_main_p1 v_b_31_1) (- 4)) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_19_1)) 1) (<= (- c_ULTIMATE.start_main_p4 v_b_30_1) 0) (<= (- (- c_ULTIMATE.start_main_p3) (- v_b_29_1)) 1) (<= (- v_b_26_1 v_b_29_1) (- 2)) (<= (- c_ULTIMATE.start_malloc_ptr v_b_31_1) (- 1)) (<= (- v_v_46_1 v_v_49_1) 0) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_23_1)) 1) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_28_1)) (- 1)) (<= (- v_v_43_1 (- v_v_43_1)) 2) (<= (- (- c_ULTIMATE.start_main_p3) (- v_b_27_1)) 0) (<= (- (- v_v_52_1) v_v_52_1) 0) (= v_b_30_1 (+ v_b_19_1 (- 1))) (= (select |c_old(#memory_int)| v_idx_6) v_v_4_1) (<= (- v_v_43_1 (- v_v_49_1)) 1) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_malloc_ptr) (- 3)) (<= (- v_v_37_1 (- v_v_46_1)) 0) (<= (- (- v_b_18_1) (- v_b_29_1)) 0) (<= (- v_v_49_1 (- v_v_49_1)) 0) (= v_b_22_1 (+ v_b_19_1 (- 1))) (<= (- (- v_v_37_1) (- v_v_43_1)) 1) (<= (- v_b_19_1 v_b_30_1) 1) (or (= (select |c_#memory_int| v_idx_12) v_v_52_1) (<= v_b_29_1 v_idx_12) (< v_idx_12 v_b_28_1)) (<= (- (- v_v_46_1) v_v_49_1) 0) (<= (- (- v_v_49_1) (- v_v_52_1)) 0) (<= (- v_b_24_1 v_b_29_1) (- 3)) (<= (- (- v_b_19_1) (- v_b_28_1)) (- 2)) (<= (- v_b_23_1 v_b_31_1) 0) (or (= (select |c_#valid| v_idx_20) v_v_42_1) (<= v_b_22_1 v_idx_20)) (<= (- v_b_26_1 v_b_27_1) (- 1)) (= (+ v_b_18_1 1) v_b_31_1) (<= (- v_b_18_1 v_b_23_1) (- 1)) (<= (- v_b_25_1 v_b_26_1) 0) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_26_1)) (- 2)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p3) (- 2)) (<= (- (- v_b_18_1) (- v_b_31_1)) 1) (<= (- (- c_ULTIMATE.start_main_p4) (- v_b_26_1)) (- 2)) (= (+ v_b_18_1 1) (+ v_b_30_1 1)) (<= (- v_b_24_1 v_b_25_1) (- 1)) (<= (- v_v_37_1 v_v_55_1) 0) (<= (- v_b_18_1 v_b_19_1) (- 1)) (<= (- c_ULTIMATE.start_malloc_ptr v_b_30_1) 0) (= (select |c_old(#valid)| v_idx_19) v_v_2_1) (<= (- (- v_v_43_1) v_v_43_1) (- 2)) (<= (- (- v_v_49_1) (- v_v_55_1)) 0) (= v_b_18_1 (+ v_b_19_1 (- 1))) (<= (- (- v_v_46_1) (- v_v_55_1)) 0) (<= (- v_b_19_1 v_b_23_1) 0) (<= (- (- v_v_37_1) v_v_37_1) 0) (<= (- (- c_ULTIMATE.start_main_p3) (- v_b_25_1)) (- 1)) (<= (- v_b_26_1 v_b_31_1) (- 3)) (<= (- v_b_28_1 v_b_29_1) (- 1)) (<= (- v_b_25_1 v_b_30_1) (- 2)) (<= (- (- v_b_19_1) (- v_b_31_1)) 0) (= c_ULTIMATE.start_malloc_ptr (+ v_b_19_1 (- 1))) (<= (- v_b_26_1 v_b_30_1) (- 2)) (<= (- (- v_b_18_1) (- v_b_25_1)) (- 2)) (<= (- v_b_24_1 v_b_30_1) (- 3)) (<= (- (- v_v_43_1) v_v_46_1) (- 1)) (<= (- c_ULTIMATE.start_main_p3 c_ULTIMATE.start_main_p4) (- 1)) (<= (- c_ULTIMATE.start_main_p2 v_b_19_1) (- 3)) (<= (- (- c_ULTIMATE.start_main_p1) (- v_b_24_1)) 0) (= (+ v_b_18_1 1) (+ c_ULTIMATE.start_malloc_ptr 1)) (<= (- (- v_b_22_1) (- v_b_30_1)) 0) (<= (- c_ULTIMATE.start_malloc_ptr v_b_22_1) 0) (<= (- c_ULTIMATE.start_main_p2 v_b_30_1) (- 2)) (<= (- v_b_23_1 v_b_30_1) 1) (= c_ULTIMATE.start_main_p4 (+ v_b_19_1 (- 1))) (<= (- v_b_24_1 v_b_28_1) (- 2)) (<= (- (- v_v_37_1) v_v_52_1) 0) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (<= (- v_v_46_1 (- v_v_52_1)) 0) (<= (- (- c_ULTIMATE.start_main_p4) (- c_ULTIMATE.start_malloc_ptr)) 0) (<= (- c_ULTIMATE.start_malloc_ptr v_b_23_1) (- 1)) (<= (- (- v_b_19_1) (- v_b_25_1)) (- 3)) (<= (- (- c_ULTIMATE.start_malloc_ptr) (- v_b_22_1)) 0) (<= (- v_b_24_1 v_b_26_1) (- 1)) (<= (- (- v_b_18_1) (- v_b_27_1)) (- 1)) (<= (- (- v_b_22_1) (- v_b_29_1)) 0) (<= (- (- v_v_52_1) v_v_55_1) 0) (<= (- c_ULTIMATE.start_main_p1 v_b_27_1) (- 2)) (<= (- c_ULTIMATE.start_malloc_ptr v_b_19_1) (- 1)) (<= (- v_v_43_1 (- v_v_55_1)) 1))))} [2019-01-07 14:57:36,072 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 14:57:36,250 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 14:57:36,250 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 14:57:36,346 WARN L270 ngHoareTripleChecker]: Pre: {2147483647#true} [2019-01-07 14:57:36,347 WARN L274 ngHoareTripleChecker]: Action: havoc main_p1, main_p2, main_p3, main_p4;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;assume main_p1 < main_p2;assume main_p2 < main_p3;assume main_p3 < main_p4;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0]; [2019-01-07 14:57:36,348 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (< c_ULTIMATE.start_main_p3_primed c_ULTIMATE.start_main_p4_primed) (= (store |c_ULTIMATE.start_malloc_old_#valid_primed| c_ULTIMATE.start_malloc_ptr_primed 1) |c_#valid_primed|) (< c_ULTIMATE.start_main_p1_primed c_ULTIMATE.start_main_p2_primed) (= (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) |c_ULTIMATE.start_malloc_old_#valid_primed|) (= (select |c_#valid| c_ULTIMATE.start_main_p1_primed) 0) (< c_ULTIMATE.start_main_p2_primed c_ULTIMATE.start_main_p3_primed) (= c_ULTIMATE.start_main_p4_primed c_ULTIMATE.start_malloc_ptr_primed) (= |c_#memory_int_primed| (store (store (store (store |c_#memory_int| c_ULTIMATE.start_main_p1_primed 0) c_ULTIMATE.start_main_p2_primed 0) c_ULTIMATE.start_main_p3_primed 0) c_ULTIMATE.start_main_p4_primed 0)) (= 0 (select (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed)) (= (select (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed) 0) (= (select |c_ULTIMATE.start_malloc_old_#valid_primed| c_ULTIMATE.start_malloc_ptr_primed) 0))