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-9-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 18:54:16,618 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 18:54:16,620 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 18:54:16,635 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-07 18:54:16,698 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 18:54:16,721 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 18:54:16,721 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 18:54:16,723 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 18:54:16,723 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 18:54:16,723 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 18:54:16,724 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 18:54:16,724 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 18:54:16,724 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 18:54:16,724 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 18:54:16,725 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-07 18:54:16,725 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 18:54:16,725 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 18:54:16,725 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 18:54:16,726 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 18:54:16,727 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 18:54:16,727 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 18:54:16,727 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 18:54:16,727 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 18:54:16,727 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 18:54:16,728 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 18:54:16,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 18:54:16,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 18:54:16,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 18:54:16,728 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 18:54:16,728 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 18:54:16,730 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 18:54:16,730 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 18:54:16,731 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 18:54:16,731 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 18:54:16,731 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 18:54:16,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 18:54:16,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 18:54:16,732 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 18:54:16,732 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 18:54:16,732 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 18:54:16,732 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 18:54:16,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 18:54:16,733 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 18:54:16,733 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 18:54:16,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 18:54:16,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 18:54:16,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 18:54:16,788 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 18:54:16,789 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 18:54:16,790 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-9-unlimited.bpl [2019-01-07 18:54:16,791 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-9-unlimited.bpl' [2019-01-07 18:54:16,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 18:54:16,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 18:54:16,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 18:54:16,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 18:54:16,860 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 18:54:16,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/1) ... [2019-01-07 18:54:16,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/1) ... [2019-01-07 18:54:16,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 18:54:16,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 18:54:16,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 18:54:16,946 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 18:54:16,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/1) ... [2019-01-07 18:54:16,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/1) ... [2019-01-07 18:54:16,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/1) ... [2019-01-07 18:54:16,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/1) ... [2019-01-07 18:54:16,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/1) ... [2019-01-07 18:54:16,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/1) ... [2019-01-07 18:54:16,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/1) ... [2019-01-07 18:54:16,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 18:54:16,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 18:54:16,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 18:54:16,981 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 18:54:16,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (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 18:54:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 18:54:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 18:54:18,199 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 18:54:18,200 INFO L286 CfgBuilder]: Removed 21 assue(true) statements. [2019-01-07 18:54:18,201 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 06:54:18 BoogieIcfgContainer [2019-01-07 18:54:18,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 18:54:18,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-07 18:54:18,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-07 18:54:18,205 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-07 18:54:18,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:54:16" (1/2) ... [2019-01-07 18:54:18,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59969636 and model type speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 06:54:18, skipping insertion in model container [2019-01-07 18:54:18,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-9-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 06:54:18" (2/2) ... [2019-01-07 18:54:18,209 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-9-unlimited.bpl [2019-01-07 18:54:18,219 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-07 18:54:18,227 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-01-07 18:54:18,246 INFO L257 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-01-07 18:54:18,286 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-07 18:54:18,287 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-07 18:54:18,287 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-07 18:54:18,287 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-07 18:54:18,288 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-07 18:54:18,288 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-07 18:54:18,288 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-07 18:54:18,288 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-07 18:54:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-01-07 18:54:18,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-01-07 18:54:18,332 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:54:18,334 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-01-07 18:54:18,339 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:54:18,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:54:18,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1000, now seen corresponding path program 1 times [2019-01-07 18:54:18,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:54:18,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:54:18,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:54:18,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:54:18,399 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:54:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:54:18,649 INFO L273 TraceCheckUtils]: 0: Hoare triple {24#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8, main_p9;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;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_p5 := 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_p6 := 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_p7 := 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_p8 := 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_p9 := malloc_ptr;#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];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0];#memory_int := #memory_int[main_p9 := 0]; {26#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:54:18,668 INFO L273 TraceCheckUtils]: 1: Hoare triple {26#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {25#false} is VALID [2019-01-07 18:54:18,671 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 18:54:18,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 18:54:18,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-07 18:54:18,675 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 18:54:18,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 18:54:18,685 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:54:18,700 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-07 18:54:18,724 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 18:54:18,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 18:54:18,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 18:54:18,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 18:54:18,735 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-01-07 18:54:19,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:54:19,115 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2019-01-07 18:54:19,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 18:54:19,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 18:54:19,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:54:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:54:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 57 transitions. [2019-01-07 18:54:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:54:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 57 transitions. [2019-01-07 18:54:19,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 57 transitions. [2019-01-07 18:54:19,534 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:54:19,548 INFO L225 Difference]: With dead ends: 41 [2019-01-07 18:54:19,548 INFO L226 Difference]: Without dead ends: 36 [2019-01-07 18:54:19,552 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 18:54:19,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-01-07 18:54:19,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 20. [2019-01-07 18:54:19,624 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:54:19,624 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 20 states. [2019-01-07 18:54:19,625 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 20 states. [2019-01-07 18:54:19,625 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 20 states. [2019-01-07 18:54:19,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:54:19,631 INFO L93 Difference]: Finished difference Result 36 states and 52 transitions. [2019-01-07 18:54:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2019-01-07 18:54:19,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:54:19,633 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:54:19,633 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 36 states. [2019-01-07 18:54:19,634 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 36 states. [2019-01-07 18:54:19,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:54:19,639 INFO L93 Difference]: Finished difference Result 36 states and 52 transitions. [2019-01-07 18:54:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2019-01-07 18:54:19,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:54:19,640 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:54:19,640 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:54:19,640 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:54:19,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-07 18:54:19,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 37 transitions. [2019-01-07 18:54:19,645 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 37 transitions. Word has length 2 [2019-01-07 18:54:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:54:19,646 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 37 transitions. [2019-01-07 18:54:19,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 18:54:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2019-01-07 18:54:19,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 18:54:19,647 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:54:19,647 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 18:54:19,648 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:54:19,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:54:19,648 INFO L82 PathProgramCache]: Analyzing trace with hash 30388, now seen corresponding path program 1 times [2019-01-07 18:54:19,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:54:19,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:54:19,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:54:19,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:54:19,650 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:54:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:54:20,003 INFO L273 TraceCheckUtils]: 0: Hoare triple {166#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8, main_p9;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;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_p5 := 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_p6 := 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_p7 := 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_p8 := 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_p9 := malloc_ptr;#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];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0];#memory_int := #memory_int[main_p9 := 0]; {168#(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 18:54:20,015 INFO L273 TraceCheckUtils]: 1: Hoare triple {168#(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]; {169#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:54:20,016 INFO L273 TraceCheckUtils]: 2: Hoare triple {169#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {167#false} is VALID [2019-01-07 18:54:20,017 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 18:54:20,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:54:20,018 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:54:20,019 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 18:54:20,021 INFO L207 CegarAbsIntRunner]: [0], [18], [39] [2019-01-07 18:54:20,090 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 18:54:20,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:54:24,710 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:24,710 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:24,711 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:24,712 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:24,712 WARN L224 ngHoareTripleChecker]: Pre: {2147483645#(forall ((v_idx_25 Int) (v_idx_26 Int) (v_idx_23 Int) (v_idx_24 Int) (v_idx_21 Int) (v_idx_22 Int) (v_idx_20 Int) (v_idx_18 Int) (v_idx_19 Int) (v_idx_27 Int) (v_idx_17 Int)) (exists ((v_v_88_1 Int) (v_v_119_1 Int) (v_v_86_1 Int) (v_v_92_1 Int) (v_v_94_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_121_1 Int)) (and (or (= 0 (select |c_#memory_int| v_idx_19)) (< v_idx_19 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_19)) (or (= (select |c_#valid| v_idx_27) v_v_94_1) (< v_idx_27 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_25) (= (select |c_#valid| v_idx_25) v_v_92_1)) (or (< v_idx_23 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_23) v_v_88_1)) (or (= (select |c_#memory_int| v_idx_20) v_v_121_1) (< v_idx_20 (+ c_ULTIMATE.start_malloc_ptr 1))) (= v_v_2_1 (select |c_old(#valid)| v_idx_24)) (or (= v_v_119_1 (select |c_#memory_int| v_idx_18)) (<= c_ULTIMATE.start_malloc_ptr v_idx_18)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_26) (< v_idx_26 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_26) 1)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_22)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_22) (< v_idx_22 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#memory_int)| v_idx_17) v_v_4_1) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_21) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_21) v_v_86_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:54:24,713 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:54:24,713 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:54:24,714 WARN L230 ngHoareTripleChecker]: Post: {2147483644#(forall ((v_idx_36 Int) (v_idx_37 Int) (v_idx_34 Int) (v_idx_35 Int) (v_idx_32 Int) (v_idx_33 Int) (v_idx_30 Int) (v_idx_31 Int) (v_idx_29 Int) (v_idx_38 Int) (v_idx_28 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_92_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int) (v_v_123_1 Int) (v_v_124_1 Int) (v_v_122_1 Int)) (and (= v_v_2_1 (select |c_old(#valid)| v_idx_35)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_37) (= (select |c_#valid| v_idx_37) 1) (< v_idx_37 c_ULTIMATE.start_malloc_ptr)) (= (select |c_old(#memory_int)| v_idx_28) v_v_4_1) (or (<= c_ULTIMATE.start_main_p4 v_idx_29) (= (select |c_#memory_int| v_idx_29) v_v_122_1)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_32) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_32) v_v_86_1)) (or (= (select |c_#valid| v_idx_38) v_v_94_1) (< v_idx_38 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_30) (< v_idx_30 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_30) v_v_123_1)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_31) v_v_124_1) (< v_idx_31 (+ c_ULTIMATE.start_main_p4 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (or (< v_idx_33 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_33) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_33))) (or (= v_v_88_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_34)) (< v_idx_34 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_#valid| v_idx_36) v_v_92_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_36)))))} [2019-01-07 18:54:24,714 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:25,032 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:25,033 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:25,383 WARN L270 ngHoareTripleChecker]: Pre: {2147483645#(and (forall ((v_idx_26 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_26) (< v_idx_26 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_26) 1))) (forall ((v_idx_22 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_22)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_22) (< v_idx_22 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_19 Int)) (or (= 0 (select |#memory_int| v_idx_19)) (< v_idx_19 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_19))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:54:25,383 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:54:25,384 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:54:25,543 WARN L276 ngHoareTripleChecker]: Post: {2147483644#(and (forall ((v_idx_33 Int)) (or (< v_idx_33 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_33) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_33)))) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (forall ((v_idx_37 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_37) (= (select |#valid| v_idx_37) 1) (< v_idx_37 ULTIMATE.start_malloc_ptr))) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:54:28,873 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:28,873 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:28,874 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:28,875 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:28,875 WARN L224 ngHoareTripleChecker]: Pre: {2147483643#(forall ((v_idx_47 Int) (v_idx_48 Int) (v_idx_45 Int) (v_idx_46 Int) (v_idx_43 Int) (v_idx_44 Int) (v_idx_41 Int) (v_idx_42 Int) (v_idx_40 Int) (v_idx_49 Int) (v_idx_39 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_119_1 Int) (v_v_92_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int) (v_v_121_1 Int)) (and (= v_v_4_1 (select |c_old(#memory_int)| v_idx_39)) (or (= (select |c_#valid| v_idx_47) v_v_92_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_47)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_43) v_v_86_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_43)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_45) v_v_88_1) (< v_idx_45 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= v_v_119_1 (select |c_#memory_int| v_idx_40)) (<= c_ULTIMATE.start_malloc_ptr v_idx_40)) (or (= 0 (select |c_#memory_int| v_idx_41)) (< v_idx_41 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_41)) (= v_v_2_1 (select |c_old(#valid)| v_idx_46)) (or (< v_idx_44 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_44)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_44)) (or (= v_v_121_1 (select |c_#memory_int| v_idx_42)) (< v_idx_42 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_49 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#valid| v_idx_49) v_v_94_1)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_48 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_48) (= 1 (select |c_#valid| v_idx_48))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:54:28,875 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:28,876 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:28,876 WARN L230 ngHoareTripleChecker]: Post: {2147483642#(forall ((v_idx_58 Int) (v_idx_59 Int) (v_idx_56 Int) (v_idx_57 Int) (v_idx_54 Int) (v_idx_55 Int) (v_idx_52 Int) (v_idx_53 Int) (v_idx_50 Int) (v_idx_51 Int) (v_idx_60 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_92_1 Int) (v_v_138_1 Int) (v_v_137_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_136_1 Int) (v_v_4_1 Int)) (and (or (= v_v_137_1 (select |c_#memory_int| v_idx_52)) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_52) (< v_idx_52 c_ULTIMATE.start_main_p1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_57)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_55)) (< v_idx_55 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_55)) (or (< v_idx_56 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_88_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_56))) (or (= v_v_92_1 (select |c_#valid| v_idx_58)) (<= c_ULTIMATE.start_malloc_ptr v_idx_58)) (or (< v_idx_59 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_59)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_59)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_54) (= v_v_86_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_54))) (= (select |c_old(#memory_int)| v_idx_50) v_v_4_1) (or (< v_idx_53 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_53) v_v_138_1)) (or (<= c_ULTIMATE.start_main_p1 v_idx_51) (= (select |c_#memory_int| v_idx_51) v_v_136_1)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (<= (+ v_v_137_1 1) 0) (or (< v_idx_60 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#valid| v_idx_60) v_v_94_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (- v_v_137_1 (- v_v_137_1)) (- 2)) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:54:28,876 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:29,352 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:29,352 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:29,666 WARN L270 ngHoareTripleChecker]: Pre: {2147483643#(and (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_48 Int)) (or (< v_idx_48 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_48) (= 1 (select |#valid| v_idx_48)))) (forall ((v_idx_41 Int)) (or (= 0 (select |#memory_int| v_idx_41)) (< v_idx_41 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_41))) (forall ((v_idx_44 Int)) (or (< v_idx_44 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_44)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_44))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:54:29,667 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:29,667 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:29,758 WARN L276 ngHoareTripleChecker]: Post: {2147483642#(and (forall ((v_prenex_1 Int)) (or (<= (+ (* 2 (select |#memory_int| v_prenex_1)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_1) (< v_prenex_1 ULTIMATE.start_main_p1))) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_52 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_52) (<= (+ (select |#memory_int| v_idx_52) 1) 0) (< v_idx_52 ULTIMATE.start_main_p1))) (forall ((v_idx_55 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_55)) (< v_idx_55 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_55))) (forall ((v_idx_59 Int)) (or (< v_idx_59 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_59)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_59))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:54:32,689 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:32,689 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:32,691 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:32,691 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:32,691 WARN L224 ngHoareTripleChecker]: Pre: {2147483641#(or (forall ((v_idx_69 Int) (v_idx_67 Int) (v_idx_68 Int) (v_idx_65 Int) (v_idx_66 Int) (v_idx_63 Int) (v_idx_64 Int) (v_idx_61 Int) (v_idx_62 Int) (v_idx_70 Int) (v_idx_71 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_119_1 Int) (v_v_92_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int) (v_v_121_1 Int)) (and (or (< v_idx_64 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_121_1 (select |c_#memory_int| v_idx_64))) (or (= v_v_88_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_67)) (< v_idx_67 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_66) (< v_idx_66 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_66) 0)) (= v_v_2_1 (select |c_old(#valid)| v_idx_68)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_61)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_69) (= (select |c_#valid| v_idx_69) v_v_92_1)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_63 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_63) (= (select |c_#memory_int| v_idx_63) 0)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_65) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_65) v_v_86_1)) (or (= (select |c_#valid| v_idx_71) v_v_94_1) (< v_idx_71 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_70) (< v_idx_70 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_70) 1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_119_1 (select |c_#memory_int| v_idx_62)) (<= c_ULTIMATE.start_malloc_ptr v_idx_62))))) (forall ((v_idx_78 Int) (v_idx_79 Int) (v_idx_76 Int) (v_idx_77 Int) (v_idx_74 Int) (v_idx_75 Int) (v_idx_72 Int) (v_idx_73 Int) (v_idx_81 Int) (v_idx_82 Int) (v_idx_80 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_92_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int) (v_v_123_1 Int) (v_v_124_1 Int) (v_v_122_1 Int)) (and (= v_v_2_1 (select |c_old(#valid)| v_idx_79)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_77) (< v_idx_77 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_81 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_81) (= (select |c_#valid| v_idx_81) 1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_76) v_v_86_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_76)) (or (= (select |c_#memory_int| v_idx_75) v_v_124_1) (< v_idx_75 (+ c_ULTIMATE.start_main_p4 1))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_72)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#valid| v_idx_80) v_v_92_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_80)) (or (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_74) (= (select |c_#memory_int| v_idx_74) v_v_123_1) (< v_idx_74 c_ULTIMATE.start_main_p4)) (or (< v_idx_78 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_88_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_78))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (or (< v_idx_82 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#valid| v_idx_82) v_v_94_1)) (or (<= c_ULTIMATE.start_main_p4 v_idx_73) (= (select |c_#memory_int| v_idx_73) v_v_122_1)) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:54:32,692 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:54:32,692 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:54:32,692 WARN L230 ngHoareTripleChecker]: Post: {2147483640#(forall ((v_idx_89 Int) (v_idx_87 Int) (v_idx_88 Int) (v_idx_85 Int) (v_idx_86 Int) (v_idx_83 Int) (v_idx_84 Int) (v_idx_92 Int) (v_idx_93 Int) (v_idx_90 Int) (v_idx_91 Int)) (exists ((v_v_141_1 Int) (v_v_88_1 Int) (v_v_140_1 Int) (v_v_86_1 Int) (v_v_92_1 Int) (v_v_139_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int)) (and (or (= v_v_141_1 (select |c_#memory_int| v_idx_86)) (< v_idx_86 (+ c_ULTIMATE.start_main_p4 1))) (or (= (select |c_#valid| v_idx_91) v_v_92_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_91)) (= (select |c_old(#valid)| v_idx_90) v_v_2_1) (or (= v_v_140_1 (select |c_#memory_int| v_idx_85)) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_85) (< v_idx_85 c_ULTIMATE.start_main_p4)) (or (< v_idx_89 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_88_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_89))) (or (= (select |c_#valid| v_idx_92) 1) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_92) (< v_idx_92 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_87) v_v_86_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_87)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_88)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_88) (< v_idx_88 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (or (= (select |c_#valid| v_idx_93) v_v_94_1) (< v_idx_93 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0) (= (select |c_old(#memory_int)| v_idx_83) v_v_4_1) (or (= v_v_139_1 (select |c_#memory_int| v_idx_84)) (<= c_ULTIMATE.start_main_p4 v_idx_84)))))} [2019-01-07 18:54:32,696 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:33,180 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:33,181 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:41,207 WARN L181 SmtUtils]: Spent 8.02 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-07 18:54:41,208 WARN L270 ngHoareTripleChecker]: Pre: {2147483641#(or (forall ((v_idx_69 Int) (v_idx_67 Int) (v_idx_68 Int) (v_idx_65 Int) (v_idx_66 Int) (v_idx_63 Int) (v_idx_64 Int) (v_idx_61 Int) (v_idx_62 Int) (v_idx_70 Int) (v_idx_71 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_119_1 Int) (v_v_92_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int) (v_v_121_1 Int)) (and (or (< v_idx_64 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_121_1 (select |#memory_int| v_idx_64))) (or (= v_v_88_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_67)) (< v_idx_67 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_66) (< v_idx_66 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_66) 0)) (= v_v_2_1 (select |old(#valid)| v_idx_68)) (= v_v_4_1 (select |old(#memory_int)| v_idx_61)) (or (<= ULTIMATE.start_malloc_ptr v_idx_69) (= (select |#valid| v_idx_69) v_v_92_1)) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_63 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_63) (= (select |#memory_int| v_idx_63) 0)) (or (<= ULTIMATE.start_malloc_ptr v_idx_65) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_65) v_v_86_1)) (or (= (select |#valid| v_idx_71) v_v_94_1) (< v_idx_71 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_70) (< v_idx_70 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_70) 1)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0) (or (= v_v_119_1 (select |#memory_int| v_idx_62)) (<= ULTIMATE.start_malloc_ptr v_idx_62))))) (forall ((v_idx_78 Int) (v_idx_79 Int) (v_idx_76 Int) (v_idx_77 Int) (v_idx_74 Int) (v_idx_75 Int) (v_idx_72 Int) (v_idx_73 Int) (v_idx_81 Int) (v_idx_82 Int) (v_idx_80 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_92_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int) (v_v_123_1 Int) (v_v_124_1 Int) (v_v_122_1 Int)) (and (= v_v_2_1 (select |old(#valid)| v_idx_79)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_77) (< v_idx_77 ULTIMATE.start_malloc_ptr)) (or (< v_idx_81 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_81) (= (select |#valid| v_idx_81) 1)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_76) v_v_86_1) (<= ULTIMATE.start_malloc_ptr v_idx_76)) (or (= (select |#memory_int| v_idx_75) v_v_124_1) (< v_idx_75 (+ ULTIMATE.start_main_p4 1))) (= v_v_4_1 (select |old(#memory_int)| v_idx_72)) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (or (= (select |#valid| v_idx_80) v_v_92_1) (<= ULTIMATE.start_malloc_ptr v_idx_80)) (or (<= (+ ULTIMATE.start_main_p4 1) v_idx_74) (= (select |#memory_int| v_idx_74) v_v_123_1) (< v_idx_74 ULTIMATE.start_main_p4)) (or (< v_idx_78 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_88_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_78))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (or (< v_idx_82 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |#valid| v_idx_82) v_v_94_1)) (or (<= ULTIMATE.start_main_p4 v_idx_73) (= (select |#memory_int| v_idx_73) v_v_122_1)) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:54:41,208 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:54:41,208 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:54:41,306 WARN L276 ngHoareTripleChecker]: Post: {2147483640#(and (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_92 Int)) (or (= (select |#valid| v_idx_92) 1) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_92) (< v_idx_92 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_88 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_88)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_88) (< v_idx_88 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:54:45,288 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:45,288 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:45,289 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:45,289 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:45,290 WARN L224 ngHoareTripleChecker]: Pre: {2147483639#(or (forall ((v_idx_115 Int) (v_idx_105 Int) (v_idx_113 Int) (v_idx_114 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_111 Int) (v_idx_112 Int) (v_idx_110 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_92_1 Int) (v_v_94_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_123_1 Int) (v_v_124_1 Int) (v_v_122_1 Int)) (and (or (< v_idx_115 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_94_1 (select |c_#valid| v_idx_115))) (or (< v_idx_114 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_114)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_114)) (or (<= c_ULTIMATE.start_main_p4 v_idx_106) (= (select |c_#memory_int| v_idx_106) v_v_122_1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_111) v_v_88_1) (< v_idx_111 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_110) 0) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_110) (< v_idx_110 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_113) (= v_v_92_1 (select |c_#valid| v_idx_113))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_105)) (or (< v_idx_107 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_107) v_v_123_1) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_107)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (= v_v_2_1 (select |c_old(#valid)| v_idx_112)) (or (< v_idx_108 (+ c_ULTIMATE.start_main_p4 1)) (= (select |c_#memory_int| v_idx_108) v_v_124_1)) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_109) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_109) v_v_86_1))))) (forall ((v_idx_104 Int) (v_idx_102 Int) (v_idx_103 Int) (v_idx_98 Int) (v_idx_99 Int) (v_idx_96 Int) (v_idx_97 Int) (v_idx_94 Int) (v_idx_95 Int) (v_idx_100 Int) (v_idx_101 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_119_1 Int) (v_v_92_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int) (v_v_121_1 Int)) (and (or (< v_idx_103 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_103) (= 1 (select |c_#valid| v_idx_103))) (= (select |c_old(#valid)| v_idx_101) v_v_2_1) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_100) v_v_88_1) (< v_idx_100 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_96 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_96) (= (select |c_#memory_int| v_idx_96) 0)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_98) v_v_86_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_98)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_99)) (< v_idx_99 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_99)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_102) (= v_v_92_1 (select |c_#valid| v_idx_102))) (= (select |c_old(#memory_int)| v_idx_94) v_v_4_1) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_119_1 (select |c_#memory_int| v_idx_95)) (<= c_ULTIMATE.start_malloc_ptr v_idx_95)) (or (= v_v_121_1 (select |c_#memory_int| v_idx_97)) (< v_idx_97 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (or (< v_idx_104 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_94_1 (select |c_#valid| v_idx_104))) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:54:45,290 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:45,290 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:45,290 WARN L230 ngHoareTripleChecker]: Post: {2147483638#(forall ((v_idx_126 Int) (v_idx_116 Int) (v_idx_124 Int) (v_idx_125 Int) (v_idx_119 Int) (v_idx_117 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_v_184_1 Int) (v_v_88_1 Int) (v_v_183_1 Int) (v_v_185_1 Int) (v_v_86_1 Int) (v_v_92_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int)) (and (= (select |c_old(#valid)| v_idx_123) v_v_2_1) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_120) (= v_v_86_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_120))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_121)) (< v_idx_121 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_121)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_124) (= v_v_92_1 (select |c_#valid| v_idx_124))) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_118) (< v_idx_118 c_ULTIMATE.start_main_p1) (= (select |c_#memory_int| v_idx_118) v_v_184_1)) (<= (+ v_v_184_1 1) 0) (or (< v_idx_119 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_119) v_v_185_1)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_116)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_122 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_122) v_v_88_1)) (<= (- v_v_184_1 (- v_v_184_1)) (- 2)) (or (< v_idx_125 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_125) (= 1 (select |c_#valid| v_idx_125))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (or (<= c_ULTIMATE.start_main_p1 v_idx_117) (= (select |c_#memory_int| v_idx_117) v_v_183_1)) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_126 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_94_1 (select |c_#valid| v_idx_126))))))} [2019-01-07 18:54:45,290 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:45,953 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:45,953 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:54,018 WARN L181 SmtUtils]: Spent 8.06 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-07 18:54:54,019 WARN L270 ngHoareTripleChecker]: Pre: {2147483639#(or (forall ((v_idx_115 Int) (v_idx_105 Int) (v_idx_113 Int) (v_idx_114 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_111 Int) (v_idx_112 Int) (v_idx_110 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_92_1 Int) (v_v_94_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_123_1 Int) (v_v_124_1 Int) (v_v_122_1 Int)) (and (or (< v_idx_115 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_94_1 (select |#valid| v_idx_115))) (or (< v_idx_114 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_114)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_114)) (or (<= ULTIMATE.start_main_p4 v_idx_106) (= (select |#memory_int| v_idx_106) v_v_122_1)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_111) v_v_88_1) (< v_idx_111 (+ ULTIMATE.start_malloc_ptr 1))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_110) 0) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_110) (< v_idx_110 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_113) (= v_v_92_1 (select |#valid| v_idx_113))) (= v_v_4_1 (select |old(#memory_int)| v_idx_105)) (or (< v_idx_107 ULTIMATE.start_main_p4) (= (select |#memory_int| v_idx_107) v_v_123_1) (<= (+ ULTIMATE.start_main_p4 1) v_idx_107)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (= v_v_2_1 (select |old(#valid)| v_idx_112)) (or (< v_idx_108 (+ ULTIMATE.start_main_p4 1)) (= (select |#memory_int| v_idx_108) v_v_124_1)) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_109) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_109) v_v_86_1))))) (forall ((v_idx_104 Int) (v_idx_102 Int) (v_idx_103 Int) (v_idx_98 Int) (v_idx_99 Int) (v_idx_96 Int) (v_idx_97 Int) (v_idx_94 Int) (v_idx_95 Int) (v_idx_100 Int) (v_idx_101 Int)) (exists ((v_v_88_1 Int) (v_v_86_1 Int) (v_v_119_1 Int) (v_v_92_1 Int) (v_v_2_1 Int) (v_v_94_1 Int) (v_v_4_1 Int) (v_v_121_1 Int)) (and (or (< v_idx_103 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_103) (= 1 (select |#valid| v_idx_103))) (= (select |old(#valid)| v_idx_101) v_v_2_1) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_100) v_v_88_1) (< v_idx_100 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_96 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_96) (= (select |#memory_int| v_idx_96) 0)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_98) v_v_86_1) (<= ULTIMATE.start_malloc_ptr v_idx_98)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_99)) (< v_idx_99 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_99)) (or (<= ULTIMATE.start_malloc_ptr v_idx_102) (= v_v_92_1 (select |#valid| v_idx_102))) (= (select |old(#memory_int)| v_idx_94) v_v_4_1) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_119_1 (select |#memory_int| v_idx_95)) (<= ULTIMATE.start_malloc_ptr v_idx_95)) (or (= v_v_121_1 (select |#memory_int| v_idx_97)) (< v_idx_97 (+ ULTIMATE.start_malloc_ptr 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (or (< v_idx_104 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_94_1 (select |#valid| v_idx_104))) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:54:54,019 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:54,019 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:54,288 WARN L276 ngHoareTripleChecker]: Post: {2147483638#(and (forall ((v_idx_121 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_121)) (< v_idx_121 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_121))) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_118 Int)) (or (<= (+ (* 2 (select |#memory_int| v_idx_118)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_118) (< v_idx_118 ULTIMATE.start_main_p1))) (forall ((v_prenex_2 Int)) (or (<= (+ (select |#memory_int| v_prenex_2) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_2) (< v_prenex_2 ULTIMATE.start_main_p1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (forall ((v_idx_125 Int)) (or (< v_idx_125 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_125) (= 1 (select |#valid| v_idx_125)))) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:54:54,679 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 18:54:54,680 INFO L272 AbstractInterpreter]: Visited 3 different actions 5 times. Merged at 1 different actions 1 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-07 18:54:54,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:54:54,685 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-07 18:54:54,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:54:54,686 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-07 18:54:54,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:54:54,696 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:54:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:54:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:54:54,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:54:54,869 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2019-01-07 18:54:54,879 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2019-01-07 18:54:54,891 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,893 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 49 [2019-01-07 18:54:54,916 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,917 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,918 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,920 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 63 [2019-01-07 18:54:54,944 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,945 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,948 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,949 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,951 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 81 [2019-01-07 18:54:54,984 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,987 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,989 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,990 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,991 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:54,993 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 103 [2019-01-07 18:54:55,034 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,036 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,037 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,039 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,041 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,043 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,045 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 129 [2019-01-07 18:54:55,110 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,113 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,114 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,116 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,117 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,118 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,119 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 159 [2019-01-07 18:54:55,206 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 158 [2019-01-07 18:54:55,221 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-01-07 18:54:55,320 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:55,471 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:55,528 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:55,574 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:55,622 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:55,656 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:55,682 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:55,708 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:55,777 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,779 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 114 [2019-01-07 18:54:55,868 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,869 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:55,871 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 104 [2019-01-07 18:54:56,065 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,088 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,115 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,140 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,141 INFO L303 Elim1Store]: Index analysis took 116 ms [2019-01-07 18:54:56,142 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 103 [2019-01-07 18:54:56,628 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2019-01-07 18:54:56,644 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,646 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,647 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,648 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,650 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,651 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,653 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 105 [2019-01-07 18:54:56,811 WARN L181 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2019-01-07 18:54:56,834 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,836 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,837 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,850 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,851 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,852 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,853 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,854 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:56,857 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 116 [2019-01-07 18:54:57,147 WARN L181 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-01-07 18:54:57,172 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,174 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,175 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,178 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,180 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,181 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,182 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,183 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,184 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,186 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,189 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 134 [2019-01-07 18:54:57,370 WARN L181 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-01-07 18:54:57,446 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,448 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,450 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,451 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,460 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,461 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,462 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,463 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,465 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,466 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:54:57,469 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 113 [2019-01-07 18:54:57,480 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-01-07 18:54:57,545 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:57,612 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:57,683 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:57,754 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:57,828 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:57,900 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:54:58,046 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-01-07 18:54:58,047 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 9 variables, input treesize:150, output treesize:158 [2019-01-07 18:55:00,645 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:55:00,645 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_47|, ULTIMATE.start_main_p2, ULTIMATE.start_main_p3, ULTIMATE.start_main_p5, ULTIMATE.start_main_p6, ULTIMATE.start_main_p7, ULTIMATE.start_main_p8, ULTIMATE.start_main_p9, |v_#valid_11|]. (let ((.cse1 (store |v_#valid_11| ULTIMATE.start_main_p1 1))) (let ((.cse3 (store .cse1 ULTIMATE.start_main_p2 1))) (let ((.cse2 (store .cse3 ULTIMATE.start_main_p3 1))) (let ((.cse0 (store .cse2 ULTIMATE.start_main_p4 1))) (let ((.cse4 (store .cse0 ULTIMATE.start_main_p5 1))) (let ((.cse5 (store .cse4 ULTIMATE.start_main_p6 1))) (and (= (select .cse0 ULTIMATE.start_main_p5) 0) (= 0 (select .cse1 ULTIMATE.start_main_p2)) (= (select .cse2 ULTIMATE.start_main_p4) 0) (= (select .cse3 ULTIMATE.start_main_p3) 0) (= 0 (select .cse4 ULTIMATE.start_main_p6)) (= (store (store (store (store (store (store (store (store (store |v_#memory_int_47| ULTIMATE.start_main_p1 0) ULTIMATE.start_main_p2 0) ULTIMATE.start_main_p3 0) ULTIMATE.start_main_p4 0) ULTIMATE.start_main_p5 0) ULTIMATE.start_main_p6 0) ULTIMATE.start_main_p7 0) ULTIMATE.start_main_p8 0) ULTIMATE.start_main_p9 0) |#memory_int|) (= (select (store .cse5 ULTIMATE.start_main_p7 1) ULTIMATE.start_main_p8) 0) (= (select .cse5 ULTIMATE.start_main_p7) 0)))))))) [2019-01-07 18:55:00,646 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p8, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p9, ULTIMATE.start_main_p6]. (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (= 0 (select |#memory_int| ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5))) [2019-01-07 18:55:03,307 WARN L181 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-01-07 18:55:03,572 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:55:03,574 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 153 [2019-01-07 18:55:03,582 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:55:03,717 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-01-07 18:55:03,718 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:163, output treesize:125 [2019-01-07 18:55:05,813 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:55:05,814 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_48|, ULTIMATE.start_main_p4, ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p8, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p6]. (let ((.cse0 (select |v_#memory_int_48| ULTIMATE.start_main_p4))) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (= 0 (select |v_#memory_int_48| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (= (store |v_#memory_int_48| ULTIMATE.start_main_p4 (+ .cse0 (- 1))) |#memory_int|) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= 0 (select |v_#memory_int_48| ULTIMATE.start_main_p3)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |v_#memory_int_48| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (= 0 (select |v_#memory_int_48| ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (= 0 (select |v_#memory_int_48| ULTIMATE.start_main_p6)) (= 0 (select |v_#memory_int_48| ULTIMATE.start_main_p2)) (= 0 (select |v_#memory_int_48| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (= 0 .cse0) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) [2019-01-07 18:55:05,814 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p6, ULTIMATE.start_main_p8, ULTIMATE.start_main_p4]. (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) (- 1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5))) [2019-01-07 18:55:08,335 INFO L273 TraceCheckUtils]: 0: Hoare triple {166#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8, main_p9;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;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_p5 := 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_p6 := 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_p7 := 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_p8 := 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_p9 := malloc_ptr;#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];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0];#memory_int := #memory_int[main_p9 := 0]; {173#(and (exists ((ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 Int) (ULTIMATE.start_main_p8 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} is VALID [2019-01-07 18:55:09,086 INFO L273 TraceCheckUtils]: 1: Hoare triple {173#(and (exists ((ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 Int) (ULTIMATE.start_main_p8 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; {177#(and (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int)) (= (+ (select |#memory_int| ULTIMATE.start_main_p4) 1) 0)) (exists ((ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 Int) (ULTIMATE.start_main_p8 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))))} is VALID [2019-01-07 18:55:09,087 INFO L273 TraceCheckUtils]: 2: Hoare triple {177#(and (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int)) (= (+ (select |#memory_int| ULTIMATE.start_main_p4) 1) 0)) (exists ((ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 Int) (ULTIMATE.start_main_p8 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))))} assume !(#memory_int[main_p1] >= 0); {167#false} is VALID [2019-01-07 18:55:09,088 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 18:55:09,088 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:55:09,114 INFO L273 TraceCheckUtils]: 2: Hoare triple {181#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} assume !(#memory_int[main_p1] >= 0); {167#false} is VALID [2019-01-07 18:55:09,116 INFO L273 TraceCheckUtils]: 1: Hoare triple {185#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1))} #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; {181#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:55:09,119 INFO L273 TraceCheckUtils]: 0: Hoare triple {166#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8, main_p9;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;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_p5 := 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_p6 := 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_p7 := 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_p8 := 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_p9 := malloc_ptr;#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];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0];#memory_int := #memory_int[main_p9 := 0]; {185#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:55:09,119 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 18:55:09,139 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:55:09,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 6 [2019-01-07 18:55:09,140 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:55:09,141 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-07 18:55:09,141 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:55:09,141 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2019-01-07 18:55:10,396 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:55:10,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-07 18:55:10,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-07 18:55:10,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-07 18:55:10,397 INFO L87 Difference]: Start difference. First operand 20 states and 37 transitions. Second operand 6 states. [2019-01-07 18:55:11,262 WARN L181 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-01-07 18:55:12,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:55:12,482 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2019-01-07 18:55:12,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-07 18:55:12,482 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-07 18:55:12,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:55:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-07 18:55:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 104 transitions. [2019-01-07 18:55:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-07 18:55:12,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 104 transitions. [2019-01-07 18:55:12,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 104 transitions. [2019-01-07 18:55:37,094 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:55:37,097 INFO L225 Difference]: With dead ends: 71 [2019-01-07 18:55:37,098 INFO L226 Difference]: Without dead ends: 69 [2019-01-07 18:55:37,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-01-07 18:55:37,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-01-07 18:55:37,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 24. [2019-01-07 18:55:37,154 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:55:37,154 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 24 states. [2019-01-07 18:55:37,154 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 24 states. [2019-01-07 18:55:37,155 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 24 states. [2019-01-07 18:55:37,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:55:37,161 INFO L93 Difference]: Finished difference Result 69 states and 101 transitions. [2019-01-07 18:55:37,161 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2019-01-07 18:55:37,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:55:37,162 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:55:37,162 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 69 states. [2019-01-07 18:55:37,163 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 69 states. [2019-01-07 18:55:37,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:55:37,168 INFO L93 Difference]: Finished difference Result 69 states and 101 transitions. [2019-01-07 18:55:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2019-01-07 18:55:37,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:55:37,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:55:37,169 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:55:37,170 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:55:37,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-01-07 18:55:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 52 transitions. [2019-01-07 18:55:37,172 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 52 transitions. Word has length 3 [2019-01-07 18:55:37,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:55:37,172 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 52 transitions. [2019-01-07 18:55:37,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-07 18:55:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 52 transitions. [2019-01-07 18:55:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 18:55:37,173 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:55:37,173 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 18:55:37,174 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:55:37,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:55:37,174 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-01-07 18:55:37,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:55:37,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:55:37,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:55:37,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:55:37,176 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:55:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:55:37,325 INFO L273 TraceCheckUtils]: 0: Hoare triple {430#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8, main_p9;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;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_p5 := 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_p6 := 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_p7 := 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_p8 := 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_p9 := malloc_ptr;#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];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0];#memory_int := #memory_int[main_p9 := 0]; {432#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p8) 0))} is VALID [2019-01-07 18:55:37,326 INFO L273 TraceCheckUtils]: 1: Hoare triple {432#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p8) 0))} #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; {433#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:55:37,327 INFO L273 TraceCheckUtils]: 2: Hoare triple {433#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {431#false} is VALID [2019-01-07 18:55:37,327 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 18:55:37,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:55:37,328 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:55:37,328 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 18:55:37,328 INFO L207 CegarAbsIntRunner]: [0], [34], [39] [2019-01-07 18:55:37,332 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 18:55:37,332 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:55:40,761 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:40,762 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:40,762 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:40,762 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:40,762 WARN L224 ngHoareTripleChecker]: Pre: {2147483635#(forall ((v_idx_148 Int) (v_idx_149 Int) (v_idx_146 Int) (v_idx_147 Int) (v_idx_151 Int) (v_idx_152 Int) (v_idx_150 Int) (v_idx_144 Int) (v_idx_145 Int) (v_idx_153 Int) (v_idx_143 Int)) (exists ((v_v_88_2 Int) (v_v_119_2 Int) (v_v_94_2 Int) (v_v_86_2 Int) (v_v_92_2 Int) (v_v_2_2 Int) (v_v_4_2 Int) (v_v_121_2 Int)) (and (or (= v_v_94_2 (select |c_#valid| v_idx_153)) (< v_idx_153 (+ c_ULTIMATE.start_malloc_ptr 1))) (= (select |c_old(#memory_int)| v_idx_143) v_v_4_2) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_152) (< v_idx_152 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_152))) (or (< v_idx_145 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_145) (= 0 (select |c_#memory_int| v_idx_145))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_151) (= v_v_92_2 (select |c_#valid| v_idx_151))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_148) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_148) 0) (< v_idx_148 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_147) v_v_86_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_147)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_146) v_v_121_2) (< v_idx_146 (+ c_ULTIMATE.start_malloc_ptr 1))) (= v_v_2_2 (select |c_old(#valid)| v_idx_150)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_144) (= v_v_119_2 (select |c_#memory_int| v_idx_144))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (or (< v_idx_149 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_149) v_v_88_2)) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:55:40,762 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:55:40,763 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-07 18:55:40,763 WARN L230 ngHoareTripleChecker]: Post: {2147483634#(forall ((v_idx_159 Int) (v_idx_157 Int) (v_idx_158 Int) (v_idx_162 Int) (v_idx_163 Int) (v_idx_160 Int) (v_idx_161 Int) (v_idx_155 Int) (v_idx_156 Int) (v_idx_164 Int) (v_idx_154 Int)) (exists ((v_v_88_2 Int) (v_v_94_2 Int) (v_v_86_2 Int) (v_v_124_2 Int) (v_v_92_2 Int) (v_v_2_2 Int) (v_v_122_2 Int) (v_v_4_2 Int) (v_v_123_2 Int)) (and (or (= v_v_94_2 (select |c_#valid| v_idx_164)) (< v_idx_164 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_158) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_158) v_v_86_2)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_154)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_162) (= v_v_92_2 (select |c_#valid| v_idx_162))) (= v_v_2_2 (select |c_old(#valid)| v_idx_161)) (or (= v_v_123_2 (select |c_#memory_int| v_idx_156)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_156) (< v_idx_156 c_ULTIMATE.start_main_p8)) (or (= 1 (select |c_#valid| v_idx_163)) (< v_idx_163 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_163)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_122_2 (select |c_#memory_int| v_idx_155)) (<= c_ULTIMATE.start_main_p8 v_idx_155)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_159) 0) (< v_idx_159 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_159)) (or (< v_idx_160 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_160) v_v_88_2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (or (= (select |c_#memory_int| v_idx_157) v_v_124_2) (< v_idx_157 (+ c_ULTIMATE.start_main_p8 1))) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:55:40,763 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:41,157 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:41,157 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:41,434 WARN L270 ngHoareTripleChecker]: Pre: {2147483635#(and (forall ((v_idx_148 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_148) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_148) 0) (< v_idx_148 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_145 Int)) (or (< v_idx_145 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_145) (= 0 (select |#memory_int| v_idx_145)))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (forall ((v_idx_152 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_152) (< v_idx_152 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_152)))) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:55:41,434 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:55:41,434 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-07 18:55:41,457 WARN L276 ngHoareTripleChecker]: Post: {2147483634#(and (forall ((v_idx_163 Int)) (or (= 1 (select |#valid| v_idx_163)) (< v_idx_163 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_163))) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_159 Int)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_159) 0) (< v_idx_159 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_159))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:55:43,862 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:43,863 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:43,863 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:43,863 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:43,864 WARN L224 ngHoareTripleChecker]: Pre: {2147483633#(forall ((v_idx_168 Int) (v_idx_169 Int) (v_idx_170 Int) (v_idx_173 Int) (v_idx_174 Int) (v_idx_171 Int) (v_idx_172 Int) (v_idx_166 Int) (v_idx_167 Int) (v_idx_175 Int) (v_idx_165 Int)) (exists ((v_v_88_2 Int) (v_v_119_2 Int) (v_v_94_2 Int) (v_v_86_2 Int) (v_v_2_2 Int) (v_v_92_2 Int) (v_v_4_2 Int) (v_v_121_2 Int)) (and (or (< v_idx_167 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_167) (= (select |c_#memory_int| v_idx_167) 0)) (or (= v_v_88_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_171)) (< v_idx_171 (+ c_ULTIMATE.start_malloc_ptr 1))) (= v_v_2_2 (select |c_old(#valid)| v_idx_172)) (or (= 1 (select |c_#valid| v_idx_174)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_174) (< v_idx_174 c_ULTIMATE.start_malloc_ptr)) (or (= v_v_92_2 (select |c_#valid| v_idx_173)) (<= c_ULTIMATE.start_malloc_ptr v_idx_173)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_169) v_v_86_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_169)) (or (= (select |c_#memory_int| v_idx_166) v_v_119_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_166)) (or (= v_v_94_2 (select |c_#valid| v_idx_175)) (< v_idx_175 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_168 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#memory_int| v_idx_168) v_v_121_2)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_170) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_170)) (< v_idx_170 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_165)))))} [2019-01-07 18:55:43,864 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:43,864 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:43,864 WARN L230 ngHoareTripleChecker]: Post: {2147483632#(forall ((v_idx_179 Int) (v_idx_180 Int) (v_idx_181 Int) (v_idx_184 Int) (v_idx_185 Int) (v_idx_182 Int) (v_idx_183 Int) (v_idx_177 Int) (v_idx_178 Int) (v_idx_186 Int) (v_idx_176 Int)) (exists ((v_v_88_2 Int) (v_v_94_2 Int) (v_v_86_2 Int) (v_v_138_2 Int) (v_v_137_2 Int) (v_v_136_2 Int) (v_v_2_2 Int) (v_v_92_2 Int) (v_v_4_2 Int)) (and (<= (- v_v_137_2 (- v_v_137_2)) (- 2)) (or (= v_v_138_2 (select |c_#memory_int| v_idx_179)) (< v_idx_179 (+ c_ULTIMATE.start_main_p1 1))) (or (< v_idx_181 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_181) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_181))) (or (< v_idx_185 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_185)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_185)) (= v_v_2_2 (select |c_old(#valid)| v_idx_183)) (or (= (select |c_#memory_int| v_idx_178) v_v_137_2) (< v_idx_178 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_178)) (or (< v_idx_186 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_94_2 (select |c_#valid| v_idx_186))) (or (< v_idx_182 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_88_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_182))) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_176)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_180) v_v_86_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_180)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_184) (= v_v_92_2 (select |c_#valid| v_idx_184))) (<= (+ v_v_137_2 1) 0) (or (= v_v_136_2 (select |c_#memory_int| v_idx_177)) (<= c_ULTIMATE.start_main_p1 v_idx_177)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:55:43,864 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:44,333 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:44,333 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:44,570 WARN L270 ngHoareTripleChecker]: Pre: {2147483633#(and (forall ((v_idx_167 Int)) (or (< v_idx_167 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_167) (= (select |#memory_int| v_idx_167) 0))) (forall ((v_idx_174 Int)) (or (= 1 (select |#valid| v_idx_174)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_174) (< v_idx_174 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_170 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_170) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_170)) (< v_idx_170 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:55:44,570 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:44,571 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:44,613 WARN L276 ngHoareTripleChecker]: Post: {2147483632#(and (forall ((v_prenex_3 Int)) (or (<= (+ (select |#memory_int| v_prenex_3) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_3) (< v_prenex_3 ULTIMATE.start_main_p1))) (forall ((v_idx_181 Int)) (or (< v_idx_181 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_181) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_181)))) (forall ((v_idx_185 Int)) (or (< v_idx_185 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_185)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_185))) (<= ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p9) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_178 Int)) (or (< v_idx_178 ULTIMATE.start_main_p1) (<= (+ (* 2 (select |#memory_int| v_idx_178)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_178))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p9) (<= (- ULTIMATE.start_main_p9 ULTIMATE.start_malloc_ptr) 0))} [2019-01-07 18:55:47,162 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:47,163 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:47,163 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:47,163 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:47,163 WARN L224 ngHoareTripleChecker]: Pre: {2147483631#(or (forall ((v_idx_203 Int) (v_idx_204 Int) (v_idx_201 Int) (v_idx_202 Int) (v_idx_207 Int) (v_idx_208 Int) (v_idx_205 Int) (v_idx_206 Int) (v_idx_199 Int) (v_idx_200 Int) (v_idx_198 Int)) (exists ((v_v_88_2 Int) (v_v_94_2 Int) (v_v_86_2 Int) (v_v_124_2 Int) (v_v_92_2 Int) (v_v_2_2 Int) (v_v_122_2 Int) (v_v_123_2 Int) (v_v_4_2 Int)) (and (or (= v_v_123_2 (select |c_#memory_int| v_idx_200)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_200) (< v_idx_200 c_ULTIMATE.start_main_p8)) (or (< v_idx_201 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_124_2 (select |c_#memory_int| v_idx_201))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_204) v_v_88_2) (< v_idx_204 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_202) (= v_v_86_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_202))) (or (< v_idx_203 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_203) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_203) 0)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_207) (< v_idx_207 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_207))) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_206) (= v_v_92_2 (select |c_#valid| v_idx_206))) (or (= v_v_94_2 (select |c_#valid| v_idx_208)) (< v_idx_208 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= v_v_122_2 (select |c_#memory_int| v_idx_199)) (<= c_ULTIMATE.start_main_p8 v_idx_199)) (= v_v_2_2 (select |c_old(#valid)| v_idx_205)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0) (= (select |c_old(#memory_int)| v_idx_198) v_v_4_2)))) (forall ((v_idx_191 Int) (v_idx_192 Int) (v_idx_190 Int) (v_idx_195 Int) (v_idx_196 Int) (v_idx_193 Int) (v_idx_194 Int) (v_idx_188 Int) (v_idx_189 Int) (v_idx_197 Int) (v_idx_187 Int)) (exists ((v_v_88_2 Int) (v_v_119_2 Int) (v_v_94_2 Int) (v_v_86_2 Int) (v_v_2_2 Int) (v_v_92_2 Int) (v_v_4_2 Int) (v_v_121_2 Int)) (and (or (< v_idx_189 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_189) 0) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_189)) (or (= v_v_121_2 (select |c_#memory_int| v_idx_190)) (< v_idx_190 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_197 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_94_2 (select |c_#valid| v_idx_197))) (or (= v_v_119_2 (select |c_#memory_int| v_idx_188)) (<= c_ULTIMATE.start_malloc_ptr v_idx_188)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_191) v_v_86_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_191)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_196) (< v_idx_196 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_196))) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_2 (select |c_old(#valid)| v_idx_194)) (or (< v_idx_192 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_192) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_192))) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_187)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_193) v_v_88_2) (< v_idx_193 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_195) (= v_v_92_2 (select |c_#valid| v_idx_195)))))))} [2019-01-07 18:55:47,164 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:55:47,164 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-07 18:55:47,164 WARN L230 ngHoareTripleChecker]: Post: {2147483630#(forall ((v_idx_214 Int) (v_idx_215 Int) (v_idx_212 Int) (v_idx_213 Int) (v_idx_218 Int) (v_idx_219 Int) (v_idx_216 Int) (v_idx_217 Int) (v_idx_209 Int) (v_idx_210 Int) (v_idx_211 Int)) (exists ((v_v_141_2 Int) (v_v_88_2 Int) (v_v_140_2 Int) (v_v_94_2 Int) (v_v_86_2 Int) (v_v_139_2 Int) (v_v_92_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_211) (< v_idx_211 c_ULTIMATE.start_main_p8) (= v_v_140_2 (select |c_#memory_int| v_idx_211))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_213) v_v_86_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_213)) (or (< v_idx_212 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_141_2 (select |c_#memory_int| v_idx_212))) (or (= v_v_139_2 (select |c_#memory_int| v_idx_210)) (<= c_ULTIMATE.start_main_p8 v_idx_210)) (or (= v_v_94_2 (select |c_#valid| v_idx_219)) (< v_idx_219 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= v_v_92_2 (select |c_#valid| v_idx_217)) (<= c_ULTIMATE.start_malloc_ptr v_idx_217)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_214) (< v_idx_214 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_214) 0)) (<= c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p9) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_218) (= 1 (select |c_#valid| v_idx_218)) (< v_idx_218 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_215 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_215) v_v_88_2)) (= (select |c_old(#valid)| v_idx_216) v_v_2_2) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p9) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_209)) (<= (- c_ULTIMATE.start_main_p9 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:55:47,164 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:47,548 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:47,548 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:50,460 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-07 18:55:50,462 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: 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.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:152) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.toStringSimplified(DebuggingHoareTripleChecker.java:313) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.logUnsoundness(DebuggingHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.checkValidity(DebuggingHoareTripleChecker.java:192) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.checkValidity(DebuggingHoareTripleChecker.java:179) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.checkInternal(DebuggingHoareTripleChecker.java:139) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RcfgDebugHelper.isPostSound(RcfgDebugHelper.java:80) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RcfgDebugHelper.isPostSound(RcfgDebugHelper.java:62) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RcfgDebugHelper.isPostSound(RcfgDebugHelper.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.assertIsPostSound(FixpointEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:254) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 50 more [2019-01-07 18:55:50,466 INFO L168 Benchmark]: Toolchain (without parser) took 93609.95 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 997.7 MB). Free memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: -683.7 MB). Peak memory consumption was 742.9 MB. Max. memory is 7.1 GB. [2019-01-07 18:55:50,468 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:55:50,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:55:50,469 INFO L168 Benchmark]: Boogie Preprocessor took 34.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:55:50,469 INFO L168 Benchmark]: RCFGBuilder took 1220.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2019-01-07 18:55:50,470 INFO L168 Benchmark]: TraceAbstraction took 92263.37 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 997.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -726.0 MB). Peak memory consumption was 700.7 MB. Max. memory is 7.1 GB. [2019-01-07 18:55:50,474 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 85.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1220.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 92263.37 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 997.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -726.0 MB). Peak memory consumption was 700.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: 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") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: 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") : de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...