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-8-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 18:53:58,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 18:53:58,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 18:53:58,581 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 18:53:58,582 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 18:53:58,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 18:53:58,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 18:53:58,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 18:53:58,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 18:53:58,588 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 18:53:58,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-07 18:53:58,620 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 18:53:58,633 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 18:53:58,633 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 18:53:58,634 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 18:53:58,635 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 18:53:58,635 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 18:53:58,635 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 18:53:58,635 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 18:53:58,635 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 18:53:58,636 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 18:53:58,636 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-07 18:53:58,636 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 18:53:58,636 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 18:53:58,636 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 18:53:58,637 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 18:53:58,637 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 18:53:58,638 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 18:53:58,638 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 18:53:58,638 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 18:53:58,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 18:53:58,638 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 18:53:58,639 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 18:53:58,639 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 18:53:58,639 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 18:53:58,639 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 18:53:58,639 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 18:53:58,640 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 18:53:58,640 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 18:53:58,640 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 18:53:58,640 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 18:53:58,641 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 18:53:58,641 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 18:53:58,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 18:53:58,641 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 18:53:58,641 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 18:53:58,642 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 18:53:58,642 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 18:53:58,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 18:53:58,642 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 18:53:58,643 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 18:53:58,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 18:53:58,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 18:53:58,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 18:53:58,713 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 18:53:58,714 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 18:53:58,715 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl [2019-01-07 18:53:58,715 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl' [2019-01-07 18:53:58,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 18:53:58,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 18:53:58,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 18:53:58,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 18:53:58,774 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 18:53:58,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/1) ... [2019-01-07 18:53:58,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/1) ... [2019-01-07 18:53:58,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 18:53:58,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 18:53:58,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 18:53:58,843 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 18:53:58,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/1) ... [2019-01-07 18:53:58,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/1) ... [2019-01-07 18:53:58,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/1) ... [2019-01-07 18:53:58,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/1) ... [2019-01-07 18:53:58,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/1) ... [2019-01-07 18:53:58,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/1) ... [2019-01-07 18:53:58,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/1) ... [2019-01-07 18:53:58,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 18:53:58,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 18:53:58,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 18:53:58,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 18:53:58,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (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 18:53:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 18:53:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 18:54:00,075 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 18:54:00,075 INFO L286 CfgBuilder]: Removed 19 assue(true) statements. [2019-01-07 18:54:00,077 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 06:54:00 BoogieIcfgContainer [2019-01-07 18:54:00,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 18:54:00,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-07 18:54:00,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-07 18:54:00,081 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-07 18:54:00,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:53:58" (1/2) ... [2019-01-07 18:54:00,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ae3ede and model type speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 06:54:00, skipping insertion in model container [2019-01-07 18:54:00,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 06:54:00" (2/2) ... [2019-01-07 18:54:00,084 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-8-unlimited.bpl [2019-01-07 18:54:00,093 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-07 18:54:00,101 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-01-07 18:54:00,118 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-01-07 18:54:00,150 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-07 18:54:00,150 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-07 18:54:00,150 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-07 18:54:00,150 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-07 18:54:00,150 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-07 18:54:00,151 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-07 18:54:00,151 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-07 18:54:00,151 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-07 18:54:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-01-07 18:54:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-01-07 18:54:00,173 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:54:00,174 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-01-07 18:54:00,177 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:54:00,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:54:00,184 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-01-07 18:54:00,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:54:00,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:54:00,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:54:00,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:54:00,239 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:54:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:54:00,454 INFO L273 TraceCheckUtils]: 0: Hoare triple {22#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;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;#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]; {24#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:54:00,461 INFO L273 TraceCheckUtils]: 1: Hoare triple {24#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {23#false} is VALID [2019-01-07 18:54:00,464 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 18:54:00,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 18:54:00,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-07 18:54:00,466 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 18:54:00,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 18:54:00,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:54:00,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-07 18:54:00,495 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 18:54:00,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 18:54:00,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 18:54:00,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 18:54:00,507 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-01-07 18:54:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:54:00,925 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2019-01-07 18:54:00,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 18:54:00,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 18:54:00,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:54:00,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:54:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2019-01-07 18:54:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:54:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2019-01-07 18:54:00,935 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 51 transitions. [2019-01-07 18:54:01,180 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:54:01,195 INFO L225 Difference]: With dead ends: 37 [2019-01-07 18:54:01,195 INFO L226 Difference]: Without dead ends: 32 [2019-01-07 18:54:01,199 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 18:54:01,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-07 18:54:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 18. [2019-01-07 18:54:01,276 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:54:01,277 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 18 states. [2019-01-07 18:54:01,277 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 18 states. [2019-01-07 18:54:01,278 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 18 states. [2019-01-07 18:54:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:54:01,283 INFO L93 Difference]: Finished difference Result 32 states and 46 transitions. [2019-01-07 18:54:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2019-01-07 18:54:01,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:54:01,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:54:01,285 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 32 states. [2019-01-07 18:54:01,285 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 32 states. [2019-01-07 18:54:01,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:54:01,290 INFO L93 Difference]: Finished difference Result 32 states and 46 transitions. [2019-01-07 18:54:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2019-01-07 18:54:01,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:54:01,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:54:01,291 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:54:01,294 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:54:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-01-07 18:54:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 33 transitions. [2019-01-07 18:54:01,304 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 33 transitions. Word has length 2 [2019-01-07 18:54:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:54:01,304 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 33 transitions. [2019-01-07 18:54:01,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 18:54:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2019-01-07 18:54:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 18:54:01,305 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:54:01,309 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 18:54:01,310 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:54:01,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:54:01,310 INFO L82 PathProgramCache]: Analyzing trace with hash 30818, now seen corresponding path program 1 times [2019-01-07 18:54:01,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:54:01,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:54:01,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:54:01,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:54:01,315 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:54:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:54:01,769 INFO L273 TraceCheckUtils]: 0: Hoare triple {150#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;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;#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]; {152#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)))} is VALID [2019-01-07 18:54:01,787 INFO L273 TraceCheckUtils]: 1: Hoare triple {152#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)))} #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; {153#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:54:01,789 INFO L273 TraceCheckUtils]: 2: Hoare triple {153#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {151#false} is VALID [2019-01-07 18:54:01,789 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 18:54:01,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:54:01,790 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:54:01,791 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 18:54:01,793 INFO L207 CegarAbsIntRunner]: [0], [32], [35] [2019-01-07 18:54:01,852 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 18:54:01,853 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:54:06,909 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:06,909 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:06,910 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:06,911 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:06,911 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_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= v_v_106_1 (select |c_#memory_int| v_idx_18)) (<= c_ULTIMATE.start_malloc_ptr v_idx_18)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_26 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_26) (= (select |c_#valid| v_idx_26) 1)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_25) (= (select |c_#valid| v_idx_25) v_v_82_1)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#memory_int| v_idx_20) v_v_108_1) (< v_idx_20 (+ c_ULTIMATE.start_main_p8 1))) (or (= (select |c_#valid| v_idx_27) v_v_84_1) (< v_idx_27 (+ c_ULTIMATE.start_main_p8 1))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_1 (select |c_old(#valid)| v_idx_24)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_21) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_21) v_v_76_1)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_19) (= 0 (select |c_#memory_int| v_idx_19)) (< v_idx_19 c_ULTIMATE.start_malloc_ptr)) (= (select |c_old(#memory_int)| v_idx_17) v_v_4_1) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_23) v_v_78_1) (< v_idx_23 (+ c_ULTIMATE.start_main_p8 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_22)) (< v_idx_22 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_22)))))} [2019-01-07 18:54:06,911 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:54:06,912 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 18:54:06,913 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_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (= v_v_2_1 (select |c_old(#valid)| v_idx_35)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_32) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_32) v_v_76_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_34)) (< v_idx_34 (+ c_ULTIMATE.start_main_p8 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= (select |c_old(#memory_int)| v_idx_28) v_v_4_1) (or (= (select |c_#memory_int| v_idx_31) v_v_108_1) (< v_idx_31 (+ c_ULTIMATE.start_main_p8 1))) (or (< v_idx_38 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_#valid| v_idx_38) v_v_84_1)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_33) (< v_idx_33 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_33))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_29) v_v_106_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_29)) (or (< v_idx_30 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_30) (= (select |c_#memory_int| v_idx_30) (- 1))) (or (= (select |c_#valid| v_idx_36) v_v_82_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_36)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_37) (= (select |c_#valid| v_idx_37) 1) (< v_idx_37 c_ULTIMATE.start_malloc_ptr)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:54:06,913 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:07,223 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:07,223 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:07,567 WARN L270 ngHoareTripleChecker]: Pre: {2147483645#(and (forall ((v_idx_26 Int)) (or (< v_idx_26 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_26) (= (select |#valid| v_idx_26) 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_19 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_19) (= 0 (select |#memory_int| v_idx_19)) (< v_idx_19 ULTIMATE.start_malloc_ptr))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_22 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_22)) (< v_idx_22 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_22))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:54:07,568 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:54:07,569 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 18:54:07,850 WARN L276 ngHoareTripleChecker]: Post: {2147483644#(and (forall ((v_idx_37 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_37) (= (select |#valid| v_idx_37) 1) (< v_idx_37 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_30 Int)) (or (< v_idx_30 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_30) (= (select |#memory_int| v_idx_30) (- 1)))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_33 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_33) (< v_idx_33 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_33)))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:54:11,166 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:11,167 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:11,168 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:11,168 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:11,168 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_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= 0 (select |c_#memory_int| v_idx_41)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_41) (< v_idx_41 c_ULTIMATE.start_malloc_ptr)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_39)) (or (< v_idx_45 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_45) v_v_78_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_2_1 (select |c_old(#valid)| v_idx_46)) (or (= (select |c_#valid| v_idx_47) v_v_82_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_47)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_108_1 (select |c_#memory_int| v_idx_42)) (< v_idx_42 (+ c_ULTIMATE.start_main_p8 1))) (or (= (select |c_#valid| v_idx_49) v_v_84_1) (< v_idx_49 (+ c_ULTIMATE.start_main_p8 1))) (or (< v_idx_48 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_48) (= 1 (select |c_#valid| v_idx_48))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_40) (= v_v_106_1 (select |c_#memory_int| v_idx_40))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_43) v_v_76_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_43)) (or (< v_idx_44 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_44)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_44)))))} [2019-01-07 18:54:11,168 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:11,169 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:11,169 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_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_2_1 Int) (v_v_125_1 Int) (v_v_82_1 Int) (v_v_4_1 Int) (v_v_123_1 Int) (v_v_124_1 Int)) (and (or (= v_v_76_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_54)) (<= c_ULTIMATE.start_malloc_ptr v_idx_54)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (= v_v_2_1 (select |c_old(#valid)| v_idx_57)) (<= (+ v_v_124_1 1) 0) (<= (- v_v_124_1 (- v_v_124_1)) (- 2)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_52) (= v_v_124_1 (select |c_#memory_int| v_idx_52)) (< v_idx_52 c_ULTIMATE.start_main_p1)) (or (= (select |c_#memory_int| v_idx_53) v_v_125_1) (< v_idx_53 (+ c_ULTIMATE.start_main_p1 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_58) (= v_v_82_1 (select |c_#valid| v_idx_58))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#memory_int)| v_idx_50) v_v_4_1) (or (<= c_ULTIMATE.start_main_p1 v_idx_51) (= (select |c_#memory_int| v_idx_51) v_v_123_1)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_55)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_55) (< v_idx_55 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_59 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_59)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_59)) (or (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_56)) (< v_idx_56 (+ c_ULTIMATE.start_main_p8 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_60 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_#valid| v_idx_60) v_v_84_1)))))} [2019-01-07 18:54:11,170 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:11,688 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:11,688 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:11,979 WARN L270 ngHoareTripleChecker]: Pre: {2147483643#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (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_main_p8 1) v_idx_44))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_48 Int)) (or (< v_idx_48 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_48) (= 1 (select |#valid| v_idx_48)))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_41 Int)) (or (= 0 (select |#memory_int| v_idx_41)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_41) (< v_idx_41 ULTIMATE.start_malloc_ptr))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:54:11,979 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:11,980 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:12,077 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_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_55 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_55)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_55) (< v_idx_55 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_59 Int)) (or (< v_idx_59 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_59)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_59))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (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))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:54:16,232 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:16,232 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:16,233 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:16,233 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:16,233 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_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_67 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_67))) (or (= v_v_106_1 (select |c_#memory_int| v_idx_62)) (<= c_ULTIMATE.start_malloc_ptr v_idx_62)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_66) (< v_idx_66 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_66) 0)) (or (= (select |c_#valid| v_idx_69) v_v_82_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_69)) (= v_v_2_1 (select |c_old(#valid)| v_idx_68)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_65) v_v_76_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_65)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_61)) (or (< v_idx_64 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_108_1 (select |c_#memory_int| v_idx_64))) (or (= (select |c_#valid| v_idx_71) v_v_84_1) (< v_idx_71 (+ c_ULTIMATE.start_main_p8 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_63 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_63) 0) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_63)) (or (< v_idx_70 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_70) 1) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_70))))) (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_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_74 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_74) (- 1)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_74)) (= v_v_2_1 (select |c_old(#valid)| v_idx_79)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= (select |c_#memory_int| v_idx_75) v_v_108_1) (< v_idx_75 (+ c_ULTIMATE.start_main_p8 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_78 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_78))) (or (= (select |c_#valid| v_idx_80) v_v_82_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_80)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_77) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (< v_idx_77 c_ULTIMATE.start_malloc_ptr)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_82 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_#valid| v_idx_82) v_v_84_1)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_72)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_76) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_76) v_v_76_1)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_73) (= (select |c_#memory_int| v_idx_73) v_v_106_1)) (or (< v_idx_81 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_81) (= (select |c_#valid| v_idx_81) 1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:54:16,234 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:54:16,234 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 18:54:16,234 WARN L230 ngHoareTripleChecker]: Post: {2147483640#(or (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_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_88)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_88) (< v_idx_88 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_106_1 (select |c_#memory_int| v_idx_84)) (<= c_ULTIMATE.start_malloc_ptr v_idx_84)) (or (= (select |c_#valid| v_idx_93) v_v_84_1) (< v_idx_93 (+ c_ULTIMATE.start_main_p8 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_87) v_v_76_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_87)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_92) (= (select |c_#valid| v_idx_92) 1) (< v_idx_92 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_#valid| v_idx_91) v_v_82_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_91)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_89)) (< v_idx_89 (+ c_ULTIMATE.start_main_p8 1))) (= (select |c_old(#valid)| v_idx_90) v_v_2_1) (or (< v_idx_86 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_108_1 (select |c_#memory_int| v_idx_86))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (= (select |c_old(#memory_int)| v_idx_83) v_v_4_1) (or (< v_idx_85 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_85) (= (- 1) (select |c_#memory_int| v_idx_85)))))) (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_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_95) (= v_v_106_1 (select |c_#memory_int| v_idx_95))) (= (select |c_old(#valid)| v_idx_101) v_v_2_1) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_103) (< v_idx_103 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_103))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_98) v_v_76_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_98)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_100) v_v_78_1) (< v_idx_100 (+ c_ULTIMATE.start_main_p8 1))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_84_1 (select |c_#valid| v_idx_104)) (< v_idx_104 (+ c_ULTIMATE.start_main_p8 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_102) (= v_v_82_1 (select |c_#valid| v_idx_102))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_99)) (< v_idx_99 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_99)) (= (select |c_old(#memory_int)| v_idx_94) v_v_4_1) (or (= v_v_108_1 (select |c_#memory_int| v_idx_97)) (< v_idx_97 (+ c_ULTIMATE.start_main_p8 1))) (or (= (select |c_#memory_int| v_idx_96) (- 2)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_96) (< v_idx_96 c_ULTIMATE.start_malloc_ptr)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:54:16,235 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:16,703 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:16,703 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:24,840 WARN L181 SmtUtils]: Spent 8.13 s on a formula simplification that was a NOOP. DAG size: 142 [2019-01-07 18:54:24,841 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_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_67 (+ ULTIMATE.start_main_p8 1)) (= v_v_78_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_67))) (or (= v_v_106_1 (select |#memory_int| v_idx_62)) (<= ULTIMATE.start_malloc_ptr v_idx_62)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_66) (< v_idx_66 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_66) 0)) (or (= (select |#valid| v_idx_69) v_v_82_1) (<= ULTIMATE.start_malloc_ptr v_idx_69)) (= v_v_2_1 (select |old(#valid)| v_idx_68)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_65) v_v_76_1) (<= ULTIMATE.start_malloc_ptr v_idx_65)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_1 (select |old(#memory_int)| v_idx_61)) (or (< v_idx_64 (+ ULTIMATE.start_main_p8 1)) (= v_v_108_1 (select |#memory_int| v_idx_64))) (or (= (select |#valid| v_idx_71) v_v_84_1) (< v_idx_71 (+ ULTIMATE.start_main_p8 1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_63 ULTIMATE.start_malloc_ptr) (= (select |#memory_int| v_idx_63) 0) (<= (+ ULTIMATE.start_main_p8 1) v_idx_63)) (or (< v_idx_70 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_70) 1) (<= (+ ULTIMATE.start_main_p8 1) v_idx_70))))) (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_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_74 ULTIMATE.start_malloc_ptr) (= (select |#memory_int| v_idx_74) (- 1)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_74)) (= v_v_2_1 (select |old(#valid)| v_idx_79)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= (select |#memory_int| v_idx_75) v_v_108_1) (< v_idx_75 (+ ULTIMATE.start_main_p8 1))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (< v_idx_78 (+ ULTIMATE.start_main_p8 1)) (= v_v_78_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_78))) (or (= (select |#valid| v_idx_80) v_v_82_1) (<= ULTIMATE.start_malloc_ptr v_idx_80)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_77) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (< v_idx_77 ULTIMATE.start_malloc_ptr)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_82 (+ ULTIMATE.start_main_p8 1)) (= (select |#valid| v_idx_82) v_v_84_1)) (= v_v_4_1 (select |old(#memory_int)| v_idx_72)) (or (<= ULTIMATE.start_malloc_ptr v_idx_76) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_76) v_v_76_1)) (or (<= ULTIMATE.start_malloc_ptr v_idx_73) (= (select |#memory_int| v_idx_73) v_v_106_1)) (or (< v_idx_81 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_81) (= (select |#valid| v_idx_81) 1)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:54:24,841 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:54:24,841 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 18:54:33,015 WARN L181 SmtUtils]: Spent 8.17 s on a formula simplification that was a NOOP. DAG size: 143 [2019-01-07 18:54:33,016 WARN L276 ngHoareTripleChecker]: Post: {2147483640#(or (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_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_88)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_88) (< v_idx_88 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= v_v_106_1 (select |#memory_int| v_idx_84)) (<= ULTIMATE.start_malloc_ptr v_idx_84)) (or (= (select |#valid| v_idx_93) v_v_84_1) (< v_idx_93 (+ ULTIMATE.start_main_p8 1))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_87) v_v_76_1) (<= ULTIMATE.start_malloc_ptr v_idx_87)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_92) (= (select |#valid| v_idx_92) 1) (< v_idx_92 ULTIMATE.start_malloc_ptr)) (or (= (select |#valid| v_idx_91) v_v_82_1) (<= ULTIMATE.start_malloc_ptr v_idx_91)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_78_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_89)) (< v_idx_89 (+ ULTIMATE.start_main_p8 1))) (= (select |old(#valid)| v_idx_90) v_v_2_1) (or (< v_idx_86 (+ ULTIMATE.start_main_p8 1)) (= v_v_108_1 (select |#memory_int| v_idx_86))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (= (select |old(#memory_int)| v_idx_83) v_v_4_1) (or (< v_idx_85 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_85) (= (- 1) (select |#memory_int| v_idx_85)))))) (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_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (<= ULTIMATE.start_malloc_ptr v_idx_95) (= v_v_106_1 (select |#memory_int| v_idx_95))) (= (select |old(#valid)| v_idx_101) v_v_2_1) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_103) (< v_idx_103 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_103))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_98) v_v_76_1) (<= ULTIMATE.start_malloc_ptr v_idx_98)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_100) v_v_78_1) (< v_idx_100 (+ ULTIMATE.start_main_p8 1))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_84_1 (select |#valid| v_idx_104)) (< v_idx_104 (+ ULTIMATE.start_main_p8 1))) (or (<= ULTIMATE.start_malloc_ptr v_idx_102) (= v_v_82_1 (select |#valid| v_idx_102))) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_99)) (< v_idx_99 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_99)) (= (select |old(#memory_int)| v_idx_94) v_v_4_1) (or (= v_v_108_1 (select |#memory_int| v_idx_97)) (< v_idx_97 (+ ULTIMATE.start_main_p8 1))) (or (= (select |#memory_int| v_idx_96) (- 2)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_96) (< v_idx_96 ULTIMATE.start_malloc_ptr)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:54:51,722 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:51,722 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:51,723 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:51,723 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:51,723 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_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= (select |c_#memory_int| v_idx_108) v_v_108_1) (< v_idx_108 (+ c_ULTIMATE.start_main_p8 1))) (or (= v_v_84_1 (select |c_#valid| v_idx_115)) (< v_idx_115 (+ c_ULTIMATE.start_main_p8 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_109) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_109) v_v_76_1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_111) v_v_78_1) (< v_idx_111 (+ c_ULTIMATE.start_main_p8 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_114) (< v_idx_114 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_114))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_106) v_v_106_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_106)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_113) (= v_v_82_1 (select |c_#valid| v_idx_113))) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_110) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_110) 0) (< v_idx_110 c_ULTIMATE.start_malloc_ptr)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_107) (< v_idx_107 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_107) 0)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_105)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_2_1 (select |c_old(#valid)| v_idx_112))))) (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_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (= (select |c_old(#valid)| v_idx_123) v_v_2_1) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_121)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_121) (< v_idx_121 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_124) (= v_v_82_1 (select |c_#valid| v_idx_124))) (or (< v_idx_126 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |c_#valid| v_idx_126))) (or (= v_v_76_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_120)) (<= c_ULTIMATE.start_malloc_ptr v_idx_120)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_125) (< v_idx_125 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_125))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_117) (= (select |c_#memory_int| v_idx_117) v_v_106_1)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_116)) (or (< v_idx_122 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_122) v_v_78_1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_#memory_int| v_idx_118) (- 1)) (< v_idx_118 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_118)) (or (< v_idx_119 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_#memory_int| v_idx_119) v_v_108_1))))))} [2019-01-07 18:54:51,723 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:51,723 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:51,724 WARN L230 ngHoareTripleChecker]: Post: {2147483638#(forall ((v_idx_137 Int) (v_idx_127 Int) (v_idx_135 Int) (v_idx_136 Int) (v_idx_128 Int) (v_idx_129 Int) (v_idx_130 Int) (v_idx_133 Int) (v_idx_134 Int) (v_idx_131 Int) (v_idx_132 Int)) (exists ((v_v_453_1 Int) (v_v_78_1 Int) (v_v_451_1 Int) (v_v_452_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= (select |c_#memory_int| v_idx_130) v_v_453_1) (< v_idx_130 (+ c_ULTIMATE.start_main_p1 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_133) v_v_78_1) (< v_idx_133 (+ c_ULTIMATE.start_main_p8 1))) (= (select |c_old(#valid)| v_idx_134) v_v_2_1) (or (< v_idx_137 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |c_#valid| v_idx_137))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_127)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_136) (< v_idx_136 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_136))) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_129) (< v_idx_129 c_ULTIMATE.start_main_p1) (= v_v_452_1 (select |c_#memory_int| v_idx_129))) (<= (- v_v_452_1 (- v_v_452_1)) (- 2)) (or (= (select |c_#memory_int| v_idx_128) v_v_451_1) (<= c_ULTIMATE.start_main_p1 v_idx_128)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_131) v_v_76_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_131)) (<= (+ v_v_452_1 1) 0) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_132 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_132)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_132)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_135) (= v_v_82_1 (select |c_#valid| v_idx_135))))))} [2019-01-07 18:54:51,724 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:52,368 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:52,368 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:00,869 WARN L181 SmtUtils]: Spent 8.50 s on a formula simplification that was a NOOP. DAG size: 142 [2019-01-07 18:55:00,870 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_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= (select |#memory_int| v_idx_108) v_v_108_1) (< v_idx_108 (+ ULTIMATE.start_main_p8 1))) (or (= v_v_84_1 (select |#valid| v_idx_115)) (< v_idx_115 (+ ULTIMATE.start_main_p8 1))) (or (<= ULTIMATE.start_malloc_ptr v_idx_109) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_109) v_v_76_1)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_111) v_v_78_1) (< v_idx_111 (+ ULTIMATE.start_main_p8 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_114) (< v_idx_114 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_114))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= (select |#memory_int| v_idx_106) v_v_106_1) (<= ULTIMATE.start_malloc_ptr v_idx_106)) (or (<= ULTIMATE.start_malloc_ptr v_idx_113) (= v_v_82_1 (select |#valid| v_idx_113))) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_110) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_110) 0) (< v_idx_110 ULTIMATE.start_malloc_ptr)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_107) (< v_idx_107 ULTIMATE.start_malloc_ptr) (= (select |#memory_int| v_idx_107) 0)) (= v_v_4_1 (select |old(#memory_int)| v_idx_105)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (= v_v_2_1 (select |old(#valid)| v_idx_112))))) (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_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (= (select |old(#valid)| v_idx_123) v_v_2_1) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_121)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_121) (< v_idx_121 ULTIMATE.start_malloc_ptr)) (or (<= ULTIMATE.start_malloc_ptr v_idx_124) (= v_v_82_1 (select |#valid| v_idx_124))) (or (< v_idx_126 (+ ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |#valid| v_idx_126))) (or (= v_v_76_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_120)) (<= ULTIMATE.start_malloc_ptr v_idx_120)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_125) (< v_idx_125 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_125))) (or (<= ULTIMATE.start_malloc_ptr v_idx_117) (= (select |#memory_int| v_idx_117) v_v_106_1)) (= v_v_4_1 (select |old(#memory_int)| v_idx_116)) (or (< v_idx_122 (+ ULTIMATE.start_main_p8 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_122) v_v_78_1)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (= (select |#memory_int| v_idx_118) (- 1)) (< v_idx_118 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_118)) (or (< v_idx_119 (+ ULTIMATE.start_main_p8 1)) (= (select |#memory_int| v_idx_119) v_v_108_1))))))} [2019-01-07 18:55:00,870 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:00,870 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:01,048 WARN L276 ngHoareTripleChecker]: Post: {2147483638#(and (forall ((v_idx_129 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_129) (<= (+ (select |#memory_int| v_idx_129) 1) 0) (< v_idx_129 ULTIMATE.start_main_p1))) (forall ((v_idx_136 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_136) (< v_idx_136 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_136)))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_132 Int)) (or (< v_idx_132 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_132)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_132))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_prenex_2 Int)) (or (<= (+ (* 2 (select |#memory_int| v_prenex_2)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_2) (< v_prenex_2 ULTIMATE.start_main_p1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:55:04,130 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:04,130 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:04,131 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:04,131 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:04,131 WARN L224 ngHoareTripleChecker]: Pre: {2147483637#(or (forall ((v_idx_159 Int) (v_idx_149 Int) (v_idx_157 Int) (v_idx_158 Int) (v_idx_151 Int) (v_idx_152 Int) (v_idx_150 Int) (v_idx_155 Int) (v_idx_156 Int) (v_idx_153 Int) (v_idx_154 Int)) (exists ((v_v_444_1 Int) (v_v_447_1 Int) (v_v_446_1 Int) (v_v_440_1 Int) (v_v_443_1 Int) (v_v_442_1 Int) (v_v_449_1 Int) (v_v_448_1 Int) (v_v_450_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_443_1 (select |c_old(#valid)| v_idx_152)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_154) (= 1 (select |c_#valid| v_idx_154)) (< v_idx_154 c_ULTIMATE.start_malloc_ptr)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_149) (= v_v_440_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_149))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_151) v_v_442_1) (< v_idx_151 (+ c_ULTIMATE.start_main_p8 1))) (or (< v_idx_155 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_446_1 (select |c_#valid| v_idx_155))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_153) (= v_v_444_1 (select |c_#valid| v_idx_153))) (or (< v_idx_158 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_#memory_int| v_idx_158) v_v_449_1)) (or (= v_v_447_1 (select |c_#memory_int| v_idx_156)) (<= c_ULTIMATE.start_malloc_ptr v_idx_156)) (<= (- v_v_448_1 (- v_v_448_1)) (- 2)) (= v_v_450_1 (select |c_old(#memory_int)| v_idx_159)) (<= (+ v_v_448_1 1) 0) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_157) (< v_idx_157 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_157) v_v_448_1)) (<= (- (- v_v_448_1) v_v_448_1) 4) (<= 0 (+ v_v_448_1 2)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_150) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_150)) (< v_idx_150 c_ULTIMATE.start_malloc_ptr))))) (forall ((v_idx_148 Int) (v_idx_138 Int) (v_idx_146 Int) (v_idx_147 Int) (v_idx_139 Int) (v_idx_140 Int) (v_idx_141 Int) (v_idx_144 Int) (v_idx_145 Int) (v_idx_142 Int) (v_idx_143 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= (select |c_#memory_int| v_idx_139) v_v_106_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_139)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_82_1 (select |c_#valid| v_idx_146)) (<= c_ULTIMATE.start_malloc_ptr v_idx_146)) (or (< v_idx_141 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_108_1 (select |c_#memory_int| v_idx_141))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_144) v_v_78_1) (< v_idx_144 (+ c_ULTIMATE.start_main_p8 1))) (= (select |c_old(#valid)| v_idx_145) v_v_2_1) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_142) (= v_v_76_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_142))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#memory_int)| v_idx_138) v_v_4_1) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_143) (< v_idx_143 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_143) 0)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_140) (< v_idx_140 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_#memory_int| v_idx_140))) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_147) (< v_idx_147 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_147))) (or (< v_idx_148 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |c_#valid| v_idx_148))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:55:04,131 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:55:04,132 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 18:55:04,132 WARN L230 ngHoareTripleChecker]: Post: {2147483636#(or (forall ((v_idx_179 Int) (v_idx_180 Int) (v_idx_181 Int) (v_idx_173 Int) (v_idx_174 Int) (v_idx_171 Int) (v_idx_172 Int) (v_idx_177 Int) (v_idx_178 Int) (v_idx_175 Int) (v_idx_176 Int)) (exists ((v_v_444_1 Int) (v_v_447_1 Int) (v_v_446_1 Int) (v_v_440_1 Int) (v_v_443_1 Int) (v_v_442_1 Int) (v_v_449_1 Int) (v_v_450_1 Int) (v_v_494_1 Int)) (and (= (select |c_old(#memory_int)| v_idx_171) v_v_450_1) (<= (+ v_v_494_1 2) 0) (or (< v_idx_177 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_177) v_v_442_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_179) (= v_v_444_1 (select |c_#valid| v_idx_179))) (or (< v_idx_173 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_173) (= v_v_494_1 (select |c_#memory_int| v_idx_173))) (<= (- v_v_494_1 (- v_v_494_1)) (- 4)) (or (= v_v_447_1 (select |c_#memory_int| v_idx_172)) (<= c_ULTIMATE.start_malloc_ptr v_idx_172)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (<= 0 (+ v_v_494_1 3)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_176)) (< v_idx_176 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_176)) (<= (- (- v_v_494_1) v_v_494_1) 6) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_175) (= v_v_440_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_175))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= 1 (select |c_#valid| v_idx_180)) (< v_idx_180 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_180)) (= v_v_443_1 (select |c_old(#valid)| v_idx_178)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_181 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_446_1 (select |c_#valid| v_idx_181))) (or (= (select |c_#memory_int| v_idx_174) v_v_449_1) (< v_idx_174 (+ c_ULTIMATE.start_main_p8 1)))))) (forall ((v_idx_168 Int) (v_idx_169 Int) (v_idx_170 Int) (v_idx_162 Int) (v_idx_163 Int) (v_idx_160 Int) (v_idx_161 Int) (v_idx_166 Int) (v_idx_167 Int) (v_idx_164 Int) (v_idx_165 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (= v_v_4_1 (select |c_old(#memory_int)| v_idx_160)) (or (< v_idx_165 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_165) 0) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_165)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (= v_v_2_1 (select |c_old(#valid)| v_idx_167)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_169 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_169)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_169)) (or (< v_idx_162 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_162) (= (select |c_#memory_int| v_idx_162) (- 1))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_164) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_164) v_v_76_1)) (or (< v_idx_170 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |c_#valid| v_idx_170))) (or (< v_idx_163 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_#memory_int| v_idx_163) v_v_108_1)) (or (= (select |c_#memory_int| v_idx_161) v_v_106_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_161)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_166) v_v_78_1) (< v_idx_166 (+ c_ULTIMATE.start_main_p8 1))) (or (= v_v_82_1 (select |c_#valid| v_idx_168)) (<= c_ULTIMATE.start_malloc_ptr v_idx_168))))))} [2019-01-07 18:55:04,132 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:04,613 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:04,613 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:12,743 WARN L181 SmtUtils]: Spent 8.13 s on a formula simplification that was a NOOP. DAG size: 162 [2019-01-07 18:55:12,743 WARN L270 ngHoareTripleChecker]: Pre: {2147483637#(or (forall ((v_idx_159 Int) (v_idx_149 Int) (v_idx_157 Int) (v_idx_158 Int) (v_idx_151 Int) (v_idx_152 Int) (v_idx_150 Int) (v_idx_155 Int) (v_idx_156 Int) (v_idx_153 Int) (v_idx_154 Int)) (exists ((v_v_444_1 Int) (v_v_447_1 Int) (v_v_446_1 Int) (v_v_440_1 Int) (v_v_443_1 Int) (v_v_442_1 Int) (v_v_449_1 Int) (v_v_448_1 Int) (v_v_450_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (= v_v_443_1 (select |old(#valid)| v_idx_152)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_154) (= 1 (select |#valid| v_idx_154)) (< v_idx_154 ULTIMATE.start_malloc_ptr)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_149) (= v_v_440_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_149))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_151) v_v_442_1) (< v_idx_151 (+ ULTIMATE.start_main_p8 1))) (or (< v_idx_155 (+ ULTIMATE.start_main_p8 1)) (= v_v_446_1 (select |#valid| v_idx_155))) (or (<= ULTIMATE.start_malloc_ptr v_idx_153) (= v_v_444_1 (select |#valid| v_idx_153))) (or (< v_idx_158 (+ ULTIMATE.start_main_p8 1)) (= (select |#memory_int| v_idx_158) v_v_449_1)) (or (= v_v_447_1 (select |#memory_int| v_idx_156)) (<= ULTIMATE.start_malloc_ptr v_idx_156)) (<= (- v_v_448_1 (- v_v_448_1)) (- 2)) (= v_v_450_1 (select |old(#memory_int)| v_idx_159)) (<= (+ v_v_448_1 1) 0) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_157) (< v_idx_157 ULTIMATE.start_malloc_ptr) (= (select |#memory_int| v_idx_157) v_v_448_1)) (<= (- (- v_v_448_1) v_v_448_1) 4) (<= 0 (+ v_v_448_1 2)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_150) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_150)) (< v_idx_150 ULTIMATE.start_malloc_ptr))))) (forall ((v_idx_148 Int) (v_idx_138 Int) (v_idx_146 Int) (v_idx_147 Int) (v_idx_139 Int) (v_idx_140 Int) (v_idx_141 Int) (v_idx_144 Int) (v_idx_145 Int) (v_idx_142 Int) (v_idx_143 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= (select |#memory_int| v_idx_139) v_v_106_1) (<= ULTIMATE.start_malloc_ptr v_idx_139)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= v_v_82_1 (select |#valid| v_idx_146)) (<= ULTIMATE.start_malloc_ptr v_idx_146)) (or (< v_idx_141 (+ ULTIMATE.start_main_p8 1)) (= v_v_108_1 (select |#memory_int| v_idx_141))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_144) v_v_78_1) (< v_idx_144 (+ ULTIMATE.start_main_p8 1))) (= (select |old(#valid)| v_idx_145) v_v_2_1) (or (<= ULTIMATE.start_malloc_ptr v_idx_142) (= v_v_76_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_142))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= (select |old(#memory_int)| v_idx_138) v_v_4_1) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_143) (< v_idx_143 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_143) 0)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_140) (< v_idx_140 ULTIMATE.start_malloc_ptr) (= 0 (select |#memory_int| v_idx_140))) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_147) (< v_idx_147 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_147))) (or (< v_idx_148 (+ ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |#valid| v_idx_148))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:55:12,743 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:55:12,743 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 18:55:20,743 WARN L181 SmtUtils]: Spent 8.00 s on a formula simplification that was a NOOP. DAG size: 164 [2019-01-07 18:55:20,743 WARN L276 ngHoareTripleChecker]: Post: {2147483636#(or (forall ((v_idx_179 Int) (v_idx_180 Int) (v_idx_181 Int) (v_idx_173 Int) (v_idx_174 Int) (v_idx_171 Int) (v_idx_172 Int) (v_idx_177 Int) (v_idx_178 Int) (v_idx_175 Int) (v_idx_176 Int)) (exists ((v_v_444_1 Int) (v_v_447_1 Int) (v_v_446_1 Int) (v_v_440_1 Int) (v_v_443_1 Int) (v_v_442_1 Int) (v_v_449_1 Int) (v_v_450_1 Int) (v_v_494_1 Int)) (and (= (select |old(#memory_int)| v_idx_171) v_v_450_1) (<= (+ v_v_494_1 2) 0) (or (< v_idx_177 (+ ULTIMATE.start_main_p8 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_177) v_v_442_1)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (<= ULTIMATE.start_malloc_ptr v_idx_179) (= v_v_444_1 (select |#valid| v_idx_179))) (or (< v_idx_173 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_173) (= v_v_494_1 (select |#memory_int| v_idx_173))) (<= (- v_v_494_1 (- v_v_494_1)) (- 4)) (or (= v_v_447_1 (select |#memory_int| v_idx_172)) (<= ULTIMATE.start_malloc_ptr v_idx_172)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (<= 0 (+ v_v_494_1 3)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_176)) (< v_idx_176 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_176)) (<= (- (- v_v_494_1) v_v_494_1) 6) (or (<= ULTIMATE.start_malloc_ptr v_idx_175) (= v_v_440_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_175))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= 1 (select |#valid| v_idx_180)) (< v_idx_180 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_180)) (= v_v_443_1 (select |old(#valid)| v_idx_178)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_181 (+ ULTIMATE.start_main_p8 1)) (= v_v_446_1 (select |#valid| v_idx_181))) (or (= (select |#memory_int| v_idx_174) v_v_449_1) (< v_idx_174 (+ ULTIMATE.start_main_p8 1)))))) (forall ((v_idx_168 Int) (v_idx_169 Int) (v_idx_170 Int) (v_idx_162 Int) (v_idx_163 Int) (v_idx_160 Int) (v_idx_161 Int) (v_idx_166 Int) (v_idx_167 Int) (v_idx_164 Int) (v_idx_165 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (= v_v_4_1 (select |old(#memory_int)| v_idx_160)) (or (< v_idx_165 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_165) 0) (<= (+ ULTIMATE.start_main_p8 1) v_idx_165)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (= v_v_2_1 (select |old(#valid)| v_idx_167)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (< v_idx_169 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_169)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_169)) (or (< v_idx_162 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_162) (= (select |#memory_int| v_idx_162) (- 1))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_164) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_164) v_v_76_1)) (or (< v_idx_170 (+ ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |#valid| v_idx_170))) (or (< v_idx_163 (+ ULTIMATE.start_main_p8 1)) (= (select |#memory_int| v_idx_163) v_v_108_1)) (or (= (select |#memory_int| v_idx_161) v_v_106_1) (<= ULTIMATE.start_malloc_ptr v_idx_161)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_166) v_v_78_1) (< v_idx_166 (+ ULTIMATE.start_main_p8 1))) (or (= v_v_82_1 (select |#valid| v_idx_168)) (<= ULTIMATE.start_malloc_ptr v_idx_168))))))} [2019-01-07 18:55:35,488 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:35,488 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:35,488 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:35,489 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:35,489 WARN L224 ngHoareTripleChecker]: Pre: {2147483635#(or (forall ((v_idx_203 Int) (v_idx_201 Int) (v_idx_202 Int) (v_idx_195 Int) (v_idx_196 Int) (v_idx_193 Int) (v_idx_194 Int) (v_idx_199 Int) (v_idx_200 Int) (v_idx_197 Int) (v_idx_198 Int)) (exists ((v_v_444_1 Int) (v_v_447_1 Int) (v_v_446_1 Int) (v_v_440_1 Int) (v_v_443_1 Int) (v_v_442_1 Int) (v_v_449_1 Int) (v_v_448_1 Int) (v_v_450_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_202 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_449_1 (select |c_#memory_int| v_idx_202))) (or (= v_v_446_1 (select |c_#valid| v_idx_199)) (< v_idx_199 (+ c_ULTIMATE.start_main_p8 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_198 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_198)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_198)) (or (< v_idx_201 c_ULTIMATE.start_malloc_ptr) (= v_v_448_1 (select |c_#memory_int| v_idx_201)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_201)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_197) (= v_v_444_1 (select |c_#valid| v_idx_197))) (or (= v_v_440_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_193)) (<= c_ULTIMATE.start_malloc_ptr v_idx_193)) (= (select |c_old(#memory_int)| v_idx_203) v_v_450_1) (or (= v_v_447_1 (select |c_#memory_int| v_idx_200)) (<= c_ULTIMATE.start_malloc_ptr v_idx_200)) (<= (- v_v_448_1 (- v_v_448_1)) (- 2)) (<= (+ v_v_448_1 1) 0) (<= (- (- v_v_448_1) v_v_448_1) 4) (or (< v_idx_195 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_442_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_195))) (<= 0 (+ v_v_448_1 2)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_194 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_194) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_194))) (= v_v_443_1 (select |c_old(#valid)| v_idx_196))))) (forall ((v_idx_191 Int) (v_idx_192 Int) (v_idx_190 Int) (v_idx_184 Int) (v_idx_185 Int) (v_idx_182 Int) (v_idx_183 Int) (v_idx_188 Int) (v_idx_189 Int) (v_idx_186 Int) (v_idx_187 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_185 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_#memory_int| v_idx_185) v_v_108_1)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_182)) (= v_v_2_1 (select |c_old(#valid)| v_idx_189)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_187)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_187) (< v_idx_187 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_84_1 (select |c_#valid| v_idx_192)) (< v_idx_192 (+ c_ULTIMATE.start_main_p8 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_186) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_186) v_v_76_1)) (or (< v_idx_191 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_191) (= 1 (select |c_#valid| v_idx_191))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_183) (= (select |c_#memory_int| v_idx_183) v_v_106_1)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_82_1 (select |c_#valid| v_idx_190)) (<= c_ULTIMATE.start_malloc_ptr v_idx_190)) (or (= (select |c_#memory_int| v_idx_184) 0) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_184) (< v_idx_184 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_188) v_v_78_1) (< v_idx_188 (+ c_ULTIMATE.start_main_p8 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:55:35,489 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:35,489 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:35,489 WARN L230 ngHoareTripleChecker]: Post: {2147483634#(forall ((v_idx_214 Int) (v_idx_204 Int) (v_idx_212 Int) (v_idx_213 Int) (v_idx_207 Int) (v_idx_208 Int) (v_idx_205 Int) (v_idx_206 Int) (v_idx_209 Int) (v_idx_210 Int) (v_idx_211 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_848_1 Int) (v_v_849_1 Int) (v_v_850_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_207 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_207) v_v_850_1)) (<= (- v_v_849_1 (- v_v_849_1)) (- 2)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_209) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_209)) (< v_idx_209 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_204)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_208) v_v_76_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_208)) (or (< v_idx_213 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_213) (= 1 (select |c_#valid| v_idx_213))) (= v_v_2_1 (select |c_old(#valid)| v_idx_211)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_210 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_210) v_v_78_1)) (<= (+ v_v_849_1 1) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_212) (= v_v_82_1 (select |c_#valid| v_idx_212))) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_206) (= v_v_849_1 (select |c_#memory_int| v_idx_206)) (< v_idx_206 c_ULTIMATE.start_main_p1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_848_1 (select |c_#memory_int| v_idx_205)) (<= c_ULTIMATE.start_main_p1 v_idx_205)) (or (< v_idx_214 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |c_#valid| v_idx_214))))))} [2019-01-07 18:55:35,490 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:36,243 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:36,243 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:44,437 WARN L181 SmtUtils]: Spent 8.19 s on a formula simplification that was a NOOP. DAG size: 162 [2019-01-07 18:55:44,438 WARN L270 ngHoareTripleChecker]: Pre: {2147483635#(or (forall ((v_idx_203 Int) (v_idx_201 Int) (v_idx_202 Int) (v_idx_195 Int) (v_idx_196 Int) (v_idx_193 Int) (v_idx_194 Int) (v_idx_199 Int) (v_idx_200 Int) (v_idx_197 Int) (v_idx_198 Int)) (exists ((v_v_444_1 Int) (v_v_447_1 Int) (v_v_446_1 Int) (v_v_440_1 Int) (v_v_443_1 Int) (v_v_442_1 Int) (v_v_449_1 Int) (v_v_448_1 Int) (v_v_450_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (< v_idx_202 (+ ULTIMATE.start_main_p8 1)) (= v_v_449_1 (select |#memory_int| v_idx_202))) (or (= v_v_446_1 (select |#valid| v_idx_199)) (< v_idx_199 (+ ULTIMATE.start_main_p8 1))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (< v_idx_198 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_198)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_198)) (or (< v_idx_201 ULTIMATE.start_malloc_ptr) (= v_v_448_1 (select |#memory_int| v_idx_201)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_201)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_197) (= v_v_444_1 (select |#valid| v_idx_197))) (or (= v_v_440_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_193)) (<= ULTIMATE.start_malloc_ptr v_idx_193)) (= (select |old(#memory_int)| v_idx_203) v_v_450_1) (or (= v_v_447_1 (select |#memory_int| v_idx_200)) (<= ULTIMATE.start_malloc_ptr v_idx_200)) (<= (- v_v_448_1 (- v_v_448_1)) (- 2)) (<= (+ v_v_448_1 1) 0) (<= (- (- v_v_448_1) v_v_448_1) 4) (or (< v_idx_195 (+ ULTIMATE.start_main_p8 1)) (= v_v_442_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_195))) (<= 0 (+ v_v_448_1 2)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_194 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_194) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_194))) (= v_v_443_1 (select |old(#valid)| v_idx_196))))) (forall ((v_idx_191 Int) (v_idx_192 Int) (v_idx_190 Int) (v_idx_184 Int) (v_idx_185 Int) (v_idx_182 Int) (v_idx_183 Int) (v_idx_188 Int) (v_idx_189 Int) (v_idx_186 Int) (v_idx_187 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_185 (+ ULTIMATE.start_main_p8 1)) (= (select |#memory_int| v_idx_185) v_v_108_1)) (= v_v_4_1 (select |old(#memory_int)| v_idx_182)) (= v_v_2_1 (select |old(#valid)| v_idx_189)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_187)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_187) (< v_idx_187 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= v_v_84_1 (select |#valid| v_idx_192)) (< v_idx_192 (+ ULTIMATE.start_main_p8 1))) (or (<= ULTIMATE.start_malloc_ptr v_idx_186) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_186) v_v_76_1)) (or (< v_idx_191 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_191) (= 1 (select |#valid| v_idx_191))) (or (<= ULTIMATE.start_malloc_ptr v_idx_183) (= (select |#memory_int| v_idx_183) v_v_106_1)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_82_1 (select |#valid| v_idx_190)) (<= ULTIMATE.start_malloc_ptr v_idx_190)) (or (= (select |#memory_int| v_idx_184) 0) (<= (+ ULTIMATE.start_main_p8 1) v_idx_184) (< v_idx_184 ULTIMATE.start_malloc_ptr)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_188) v_v_78_1) (< v_idx_188 (+ ULTIMATE.start_main_p8 1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:55:44,438 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:44,438 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: {2147483634#(and (forall ((v_idx_209 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_209) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_209)) (< v_idx_209 ULTIMATE.start_malloc_ptr))) (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_213 Int)) (or (< v_idx_213 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_213) (= 1 (select |#valid| v_idx_213)))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_206 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_206) (<= (+ (* 2 (select |#memory_int| v_idx_206)) 2) 0) (< v_idx_206 ULTIMATE.start_main_p1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:55:47,862 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:47,862 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:47,862 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:47,862 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:47,863 WARN L224 ngHoareTripleChecker]: Pre: {2147483633#(or (forall ((v_idx_225 Int) (v_idx_215 Int) (v_idx_223 Int) (v_idx_224 Int) (v_idx_218 Int) (v_idx_219 Int) (v_idx_216 Int) (v_idx_217 Int) (v_idx_221 Int) (v_idx_222 Int) (v_idx_220 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= v_v_82_1 (select |c_#valid| v_idx_223)) (<= c_ULTIMATE.start_malloc_ptr v_idx_223)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_225 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |c_#valid| v_idx_225))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_224) (= 1 (select |c_#valid| v_idx_224)) (< v_idx_224 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_221 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_221) v_v_78_1)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_217) (= (- 1) (select |c_#memory_int| v_idx_217)) (< v_idx_217 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_216) (= (select |c_#memory_int| v_idx_216) v_v_106_1)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_220) (< v_idx_220 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_220))) (= v_v_2_1 (select |c_old(#valid)| v_idx_222)) (or (= v_v_108_1 (select |c_#memory_int| v_idx_218)) (< v_idx_218 (+ c_ULTIMATE.start_main_p8 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_219) v_v_76_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_219)) (= (select |c_old(#memory_int)| v_idx_215) v_v_4_1) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_236 Int) (v_idx_226 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_229 Int) (v_idx_227 Int) (v_idx_228 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_230 Int) (v_idx_231 Int)) (exists ((v_v_846_1 Int) (v_v_837_1 Int) (v_v_847_1 Int) (v_v_844_1 Int) (v_v_845_1 Int) (v_v_839_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (<= v_v_845_1 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_846_1 (select |c_#memory_int| v_idx_235)) (< v_idx_235 (+ c_ULTIMATE.start_main_p8 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_845_1 (select |c_#memory_int| v_idx_234)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_234) (< v_idx_234 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_230) (= v_v_841_1 (select |c_#valid| v_idx_230))) (or (< v_idx_228 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_839_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_228))) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_227) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_227)) (< v_idx_227 c_ULTIMATE.start_malloc_ptr)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_840_1 (select |c_old(#valid)| v_idx_229)) (<= (- v_v_845_1 (- v_v_845_1)) 0) (or (= 1 (select |c_#valid| v_idx_231)) (< v_idx_231 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_231)) (or (= v_v_837_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_226)) (<= c_ULTIMATE.start_malloc_ptr v_idx_226)) (<= (- (- v_v_845_1) v_v_845_1) 6) (= v_v_847_1 (select |c_old(#memory_int)| v_idx_236)) (or (= v_v_843_1 (select |c_#valid| v_idx_232)) (< v_idx_232 (+ c_ULTIMATE.start_main_p8 1))) (or (= v_v_844_1 (select |c_#memory_int| v_idx_233)) (<= c_ULTIMATE.start_malloc_ptr v_idx_233)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (<= 0 (+ v_v_845_1 3))))))} [2019-01-07 18:55:47,863 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:55:47,863 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 18:55:47,863 WARN L230 ngHoareTripleChecker]: Post: {2147483632#(forall ((v_idx_247 Int) (v_idx_237 Int) (v_idx_245 Int) (v_idx_246 Int) (v_idx_238 Int) (v_idx_239 Int) (v_idx_240 Int) (v_idx_243 Int) (v_idx_244 Int) (v_idx_241 Int) (v_idx_242 Int)) (exists ((v_v_846_1 Int) (v_v_847_1 Int) (v_v_837_1 Int) (v_v_844_1 Int) (v_v_839_1 Int) (v_v_891_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (or (= v_v_844_1 (select |c_#memory_int| v_idx_238)) (<= c_ULTIMATE.start_malloc_ptr v_idx_238)) (or (= v_v_846_1 (select |c_#memory_int| v_idx_240)) (< v_idx_240 (+ c_ULTIMATE.start_main_p8 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_242) (< v_idx_242 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_242) 0)) (<= (- (- v_v_891_1) v_v_891_1) 8) (<= (- v_v_891_1 (- v_v_891_1)) (- 2)) (= v_v_840_1 (select |c_old(#valid)| v_idx_244)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_891_1 (select |c_#memory_int| v_idx_239)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_239) (< v_idx_239 c_ULTIMATE.start_malloc_ptr)) (<= 0 (+ v_v_891_1 4)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= 1 (select |c_#valid| v_idx_246)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_246) (< v_idx_246 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_245) (= v_v_841_1 (select |c_#valid| v_idx_245))) (= (select |c_old(#memory_int)| v_idx_237) v_v_847_1) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_241) (= v_v_837_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_241))) (or (= v_v_843_1 (select |c_#valid| v_idx_247)) (< v_idx_247 (+ c_ULTIMATE.start_main_p8 1))) (or (< v_idx_243 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_839_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_243))) (<= (+ v_v_891_1 1) 0) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:55:47,863 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:48,361 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:48,362 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:56,411 WARN L181 SmtUtils]: Spent 8.05 s on a formula simplification that was a NOOP. DAG size: 161 [2019-01-07 18:55:56,412 WARN L270 ngHoareTripleChecker]: Pre: {2147483633#(or (forall ((v_idx_225 Int) (v_idx_215 Int) (v_idx_223 Int) (v_idx_224 Int) (v_idx_218 Int) (v_idx_219 Int) (v_idx_216 Int) (v_idx_217 Int) (v_idx_221 Int) (v_idx_222 Int) (v_idx_220 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= v_v_82_1 (select |#valid| v_idx_223)) (<= ULTIMATE.start_malloc_ptr v_idx_223)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (< v_idx_225 (+ ULTIMATE.start_main_p8 1)) (= v_v_84_1 (select |#valid| v_idx_225))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_224) (= 1 (select |#valid| v_idx_224)) (< v_idx_224 ULTIMATE.start_malloc_ptr)) (or (< v_idx_221 (+ ULTIMATE.start_main_p8 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_221) v_v_78_1)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_217) (= (- 1) (select |#memory_int| v_idx_217)) (< v_idx_217 ULTIMATE.start_malloc_ptr)) (or (<= ULTIMATE.start_malloc_ptr v_idx_216) (= (select |#memory_int| v_idx_216) v_v_106_1)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_220) (< v_idx_220 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_220))) (= v_v_2_1 (select |old(#valid)| v_idx_222)) (or (= v_v_108_1 (select |#memory_int| v_idx_218)) (< v_idx_218 (+ ULTIMATE.start_main_p8 1))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_219) v_v_76_1) (<= ULTIMATE.start_malloc_ptr v_idx_219)) (= (select |old(#memory_int)| v_idx_215) v_v_4_1) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_236 Int) (v_idx_226 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_229 Int) (v_idx_227 Int) (v_idx_228 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_230 Int) (v_idx_231 Int)) (exists ((v_v_846_1 Int) (v_v_837_1 Int) (v_v_847_1 Int) (v_v_844_1 Int) (v_v_845_1 Int) (v_v_839_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (<= v_v_845_1 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= v_v_846_1 (select |#memory_int| v_idx_235)) (< v_idx_235 (+ ULTIMATE.start_main_p8 1))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= v_v_845_1 (select |#memory_int| v_idx_234)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_234) (< v_idx_234 ULTIMATE.start_malloc_ptr)) (or (<= ULTIMATE.start_malloc_ptr v_idx_230) (= v_v_841_1 (select |#valid| v_idx_230))) (or (< v_idx_228 (+ ULTIMATE.start_main_p8 1)) (= v_v_839_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_228))) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_227) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_227)) (< v_idx_227 ULTIMATE.start_malloc_ptr)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= v_v_840_1 (select |old(#valid)| v_idx_229)) (<= (- v_v_845_1 (- v_v_845_1)) 0) (or (= 1 (select |#valid| v_idx_231)) (< v_idx_231 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_231)) (or (= v_v_837_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_226)) (<= ULTIMATE.start_malloc_ptr v_idx_226)) (<= (- (- v_v_845_1) v_v_845_1) 6) (= v_v_847_1 (select |old(#memory_int)| v_idx_236)) (or (= v_v_843_1 (select |#valid| v_idx_232)) (< v_idx_232 (+ ULTIMATE.start_main_p8 1))) (or (= v_v_844_1 (select |#memory_int| v_idx_233)) (<= ULTIMATE.start_malloc_ptr v_idx_233)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= 0 (+ v_v_845_1 3))))))} [2019-01-07 18:55:56,412 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:55:56,412 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 18:55:56,703 WARN L276 ngHoareTripleChecker]: Post: {2147483632#(and (forall ((v_idx_239 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_239) (< v_idx_239 ULTIMATE.start_malloc_ptr) (<= (+ (select |#memory_int| v_idx_239) 1) 0))) (forall ((v_prenex_5 Int)) (or (< v_prenex_5 ULTIMATE.start_malloc_ptr) (<= 0 (+ (select |#memory_int| v_prenex_5) 4)) (<= (+ ULTIMATE.start_main_p8 1) v_prenex_5))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_242 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_242) (< v_idx_242 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_242) 0))) (forall ((v_prenex_6 Int)) (or (<= (+ (* 2 (select |#memory_int| v_prenex_6)) 2) 0) (<= (+ ULTIMATE.start_main_p8 1) v_prenex_6) (< v_prenex_6 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_246 Int)) (or (= 1 (select |#valid| v_idx_246)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_246) (< v_idx_246 ULTIMATE.start_malloc_ptr))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (forall ((v_prenex_4 Int)) (or (< v_prenex_4 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_prenex_4) (<= 0 (+ (* 2 (select |#memory_int| v_prenex_4)) 8)))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:09,964 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:09,964 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:09,965 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:09,965 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:09,966 WARN L224 ngHoareTripleChecker]: Pre: {2147483631#(or (forall ((v_idx_258 Int) (v_idx_248 Int) (v_idx_256 Int) (v_idx_257 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_254 Int) (v_idx_255 Int) (v_idx_252 Int) (v_idx_253 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_253 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_253)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_253)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_249) (= v_v_106_1 (select |c_#memory_int| v_idx_249))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_84_1 (select |c_#valid| v_idx_258)) (< v_idx_258 (+ c_ULTIMATE.start_main_p8 1))) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_257) (< v_idx_257 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_257))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_248)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_256) (= v_v_82_1 (select |c_#valid| v_idx_256))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_250) (< v_idx_250 c_ULTIMATE.start_malloc_ptr) (= (- 1) (select |c_#memory_int| v_idx_250))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_252) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_252) v_v_76_1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_254)) (< v_idx_254 (+ c_ULTIMATE.start_main_p8 1))) (= (select |c_old(#valid)| v_idx_255) v_v_2_1) (or (= (select |c_#memory_int| v_idx_251) v_v_108_1) (< v_idx_251 (+ c_ULTIMATE.start_main_p8 1)))))) (forall ((v_idx_269 Int) (v_idx_259 Int) (v_idx_267 Int) (v_idx_268 Int) (v_idx_261 Int) (v_idx_262 Int) (v_idx_260 Int) (v_idx_265 Int) (v_idx_266 Int) (v_idx_263 Int) (v_idx_264 Int)) (exists ((v_v_846_1 Int) (v_v_847_1 Int) (v_v_837_1 Int) (v_v_844_1 Int) (v_v_845_1 Int) (v_v_839_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (<= v_v_845_1 0) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_267) (= v_v_845_1 (select |c_#memory_int| v_idx_267)) (< v_idx_267 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_260 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_260) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_260))) (or (< v_idx_265 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_843_1 (select |c_#valid| v_idx_265))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_847_1 (select |c_old(#memory_int)| v_idx_269)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_259) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_259) v_v_837_1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_261) v_v_839_1) (< v_idx_261 (+ c_ULTIMATE.start_main_p8 1))) (= v_v_840_1 (select |c_old(#valid)| v_idx_262)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_266) (= v_v_844_1 (select |c_#memory_int| v_idx_266))) (or (< v_idx_264 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_264)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_264)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_263) (= v_v_841_1 (select |c_#valid| v_idx_263))) (or (= v_v_846_1 (select |c_#memory_int| v_idx_268)) (< v_idx_268 (+ c_ULTIMATE.start_main_p8 1))) (<= (- v_v_845_1 (- v_v_845_1)) 0) (<= (- (- v_v_845_1) v_v_845_1) 6) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (<= 0 (+ v_v_845_1 3))))))} [2019-01-07 18:56:09,966 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:56:09,966 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:56:09,966 WARN L230 ngHoareTripleChecker]: Post: {2147483630#(forall ((v_idx_278 Int) (v_idx_279 Int) (v_idx_280 Int) (v_idx_272 Int) (v_idx_273 Int) (v_idx_270 Int) (v_idx_271 Int) (v_idx_276 Int) (v_idx_277 Int) (v_idx_274 Int) (v_idx_275 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_1201_1 Int) (v_v_76_1 Int) (v_v_1202_1 Int) (v_v_1203_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_272) (< v_idx_272 c_ULTIMATE.start_main_p1) (= (select |c_#memory_int| v_idx_272) v_v_1202_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_273 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_273) v_v_1203_1)) (or (<= c_ULTIMATE.start_main_p1 v_idx_271) (= (select |c_#memory_int| v_idx_271) v_v_1201_1)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (<= (+ v_v_1202_1 1) 0) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_275) (< v_idx_275 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_275) 0)) (<= (- v_v_1202_1 (- v_v_1202_1)) (- 2)) (or (< v_idx_279 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_279) (= 1 (select |c_#valid| v_idx_279))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_276 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_276) v_v_78_1)) (= (select |c_old(#memory_int)| v_idx_270) v_v_4_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_277)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_274) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_274) v_v_76_1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_84_1 (select |c_#valid| v_idx_280)) (< v_idx_280 (+ c_ULTIMATE.start_main_p8 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_278) (= v_v_82_1 (select |c_#valid| v_idx_278))))))} [2019-01-07 18:56:09,966 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:10,265 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:10,265 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:18,370 WARN L181 SmtUtils]: Spent 8.10 s on a formula simplification that was a NOOP. DAG size: 161 [2019-01-07 18:56:18,371 WARN L270 ngHoareTripleChecker]: Pre: {2147483631#(or (forall ((v_idx_258 Int) (v_idx_248 Int) (v_idx_256 Int) (v_idx_257 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_254 Int) (v_idx_255 Int) (v_idx_252 Int) (v_idx_253 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (< v_idx_253 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_253)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_253)) (or (<= ULTIMATE.start_malloc_ptr v_idx_249) (= v_v_106_1 (select |#memory_int| v_idx_249))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= v_v_84_1 (select |#valid| v_idx_258)) (< v_idx_258 (+ ULTIMATE.start_main_p8 1))) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_257) (< v_idx_257 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_257))) (= v_v_4_1 (select |old(#memory_int)| v_idx_248)) (or (<= ULTIMATE.start_malloc_ptr v_idx_256) (= v_v_82_1 (select |#valid| v_idx_256))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_250) (< v_idx_250 ULTIMATE.start_malloc_ptr) (= (- 1) (select |#memory_int| v_idx_250))) (or (<= ULTIMATE.start_malloc_ptr v_idx_252) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_252) v_v_76_1)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (= v_v_78_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_254)) (< v_idx_254 (+ ULTIMATE.start_main_p8 1))) (= (select |old(#valid)| v_idx_255) v_v_2_1) (or (= (select |#memory_int| v_idx_251) v_v_108_1) (< v_idx_251 (+ ULTIMATE.start_main_p8 1)))))) (forall ((v_idx_269 Int) (v_idx_259 Int) (v_idx_267 Int) (v_idx_268 Int) (v_idx_261 Int) (v_idx_262 Int) (v_idx_260 Int) (v_idx_265 Int) (v_idx_266 Int) (v_idx_263 Int) (v_idx_264 Int)) (exists ((v_v_846_1 Int) (v_v_847_1 Int) (v_v_837_1 Int) (v_v_844_1 Int) (v_v_845_1 Int) (v_v_839_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (<= v_v_845_1 0) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_267) (= v_v_845_1 (select |#memory_int| v_idx_267)) (< v_idx_267 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (< v_idx_260 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_260) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_260))) (or (< v_idx_265 (+ ULTIMATE.start_main_p8 1)) (= v_v_843_1 (select |#valid| v_idx_265))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (= v_v_847_1 (select |old(#memory_int)| v_idx_269)) (or (<= ULTIMATE.start_malloc_ptr v_idx_259) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_259) v_v_837_1)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_261) v_v_839_1) (< v_idx_261 (+ ULTIMATE.start_main_p8 1))) (= v_v_840_1 (select |old(#valid)| v_idx_262)) (or (<= ULTIMATE.start_malloc_ptr v_idx_266) (= v_v_844_1 (select |#memory_int| v_idx_266))) (or (< v_idx_264 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_264)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_264)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_263) (= v_v_841_1 (select |#valid| v_idx_263))) (or (= v_v_846_1 (select |#memory_int| v_idx_268)) (< v_idx_268 (+ ULTIMATE.start_main_p8 1))) (<= (- v_v_845_1 (- v_v_845_1)) 0) (<= (- (- v_v_845_1) v_v_845_1) 6) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= 0 (+ v_v_845_1 3))))))} [2019-01-07 18:56:18,371 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:56:18,371 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:56:18,560 WARN L276 ngHoareTripleChecker]: Post: {2147483630#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_275 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_275) (< v_idx_275 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_275) 0))) (forall ((v_idx_272 Int)) (or (<= (+ (select |#memory_int| v_idx_272) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_272) (< v_idx_272 ULTIMATE.start_main_p1))) (forall ((v_prenex_7 Int)) (or (<= (+ (* 2 (select |#memory_int| v_prenex_7)) 2) 0) (< v_prenex_7 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_7))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_279 Int)) (or (< v_idx_279 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_279) (= 1 (select |#valid| v_idx_279)))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:21,736 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:21,736 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:21,736 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:21,736 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:21,737 WARN L224 ngHoareTripleChecker]: Pre: {2147483629#(or (forall ((v_idx_302 Int) (v_idx_300 Int) (v_idx_301 Int) (v_idx_294 Int) (v_idx_295 Int) (v_idx_292 Int) (v_idx_293 Int) (v_idx_298 Int) (v_idx_299 Int) (v_idx_296 Int) (v_idx_297 Int)) (exists ((v_v_958_1 Int) (v_v_948_1 Int) (v_v_954_1 Int) (v_v_955_1 Int) (v_v_956_1 Int) (v_v_957_1 Int) (v_v_950_1 Int) (v_v_951_1 Int) (v_v_952_1 Int)) (and (or (= (select |c_#memory_int| v_idx_300) v_v_956_1) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_300) (< v_idx_300 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_298 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_954_1 (select |c_#valid| v_idx_298))) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_293) (< v_idx_293 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_293) 0)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (<= (- v_v_956_1 (- v_v_956_1)) 0) (= v_v_958_1 (select |c_old(#memory_int)| v_idx_302)) (or (= v_v_955_1 (select |c_#memory_int| v_idx_299)) (<= c_ULTIMATE.start_malloc_ptr v_idx_299)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_948_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_292)) (<= c_ULTIMATE.start_malloc_ptr v_idx_292)) (= v_v_951_1 (select |c_old(#valid)| v_idx_295)) (or (= v_v_950_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_294)) (< v_idx_294 (+ c_ULTIMATE.start_main_p8 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_296) (= v_v_952_1 (select |c_#valid| v_idx_296))) (or (= 1 (select |c_#valid| v_idx_297)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_297) (< v_idx_297 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_#memory_int| v_idx_301) v_v_957_1) (< v_idx_301 (+ c_ULTIMATE.start_main_p8 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (<= v_v_956_1 0)))) (forall ((v_idx_289 Int) (v_idx_290 Int) (v_idx_291 Int) (v_idx_283 Int) (v_idx_284 Int) (v_idx_281 Int) (v_idx_282 Int) (v_idx_287 Int) (v_idx_288 Int) (v_idx_285 Int) (v_idx_286 Int)) (exists ((v_v_846_1 Int) (v_v_847_1 Int) (v_v_837_1 Int) (v_v_844_1 Int) (v_v_845_1 Int) (v_v_839_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (<= v_v_845_1 0) (or (= v_v_845_1 (select |c_#memory_int| v_idx_289)) (< v_idx_289 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_289)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= (select |c_old(#memory_int)| v_idx_291) v_v_847_1) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_282) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_282) 0) (< v_idx_282 c_ULTIMATE.start_malloc_ptr)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_843_1 (select |c_#valid| v_idx_287)) (< v_idx_287 (+ c_ULTIMATE.start_main_p8 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_281) (= v_v_837_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_281))) (<= (- v_v_845_1 (- v_v_845_1)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_285) (= v_v_841_1 (select |c_#valid| v_idx_285))) (<= (- (- v_v_845_1) v_v_845_1) 6) (= v_v_840_1 (select |c_old(#valid)| v_idx_284)) (or (= v_v_846_1 (select |c_#memory_int| v_idx_290)) (< v_idx_290 (+ c_ULTIMATE.start_main_p8 1))) (or (< v_idx_286 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_286) (= 1 (select |c_#valid| v_idx_286))) (or (= v_v_839_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_283)) (< v_idx_283 (+ c_ULTIMATE.start_main_p8 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_288) (= v_v_844_1 (select |c_#memory_int| v_idx_288))) (<= 0 (+ v_v_845_1 3))))))} [2019-01-07 18:56:21,737 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:56:21,737 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 18:56:21,737 WARN L230 ngHoareTripleChecker]: Post: {2147483628#(forall ((v_idx_313 Int) (v_idx_303 Int) (v_idx_311 Int) (v_idx_312 Int) (v_idx_306 Int) (v_idx_307 Int) (v_idx_304 Int) (v_idx_305 Int) (v_idx_308 Int) (v_idx_309 Int) (v_idx_310 Int)) (exists ((v_v_958_1 Int) (v_v_948_1 Int) (v_v_954_1 Int) (v_v_955_1 Int) (v_v_957_1 Int) (v_v_950_1 Int) (v_v_951_1 Int) (v_v_952_1 Int) (v_v_1244_1 Int)) (and (<= (- v_v_1244_1 (- v_v_1244_1)) (- 2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_311) (= v_v_952_1 (select |c_#valid| v_idx_311))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_307) (= v_v_948_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_307))) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_305) (< v_idx_305 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_305) v_v_1244_1)) (= (select |c_old(#valid)| v_idx_310) v_v_951_1) (or (= v_v_950_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_309)) (< v_idx_309 (+ c_ULTIMATE.start_main_p8 1))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_313 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_954_1 (select |c_#valid| v_idx_313))) (or (= v_v_957_1 (select |c_#memory_int| v_idx_306)) (< v_idx_306 (+ c_ULTIMATE.start_main_p8 1))) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_308) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_308) 0) (< v_idx_308 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_304) (= (select |c_#memory_int| v_idx_304) v_v_955_1)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_312) (= 1 (select |c_#valid| v_idx_312)) (< v_idx_312 c_ULTIMATE.start_malloc_ptr)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (<= (+ v_v_1244_1 1) 0) (= v_v_958_1 (select |c_old(#memory_int)| v_idx_303)))))} [2019-01-07 18:56:21,737 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:22,204 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:22,204 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:30,214 WARN L181 SmtUtils]: Spent 8.01 s on a formula simplification that was a NOOP. DAG size: 165 [2019-01-07 18:56:30,215 WARN L270 ngHoareTripleChecker]: Pre: {2147483629#(or (forall ((v_idx_302 Int) (v_idx_300 Int) (v_idx_301 Int) (v_idx_294 Int) (v_idx_295 Int) (v_idx_292 Int) (v_idx_293 Int) (v_idx_298 Int) (v_idx_299 Int) (v_idx_296 Int) (v_idx_297 Int)) (exists ((v_v_958_1 Int) (v_v_948_1 Int) (v_v_954_1 Int) (v_v_955_1 Int) (v_v_956_1 Int) (v_v_957_1 Int) (v_v_950_1 Int) (v_v_951_1 Int) (v_v_952_1 Int)) (and (or (= (select |#memory_int| v_idx_300) v_v_956_1) (<= (+ ULTIMATE.start_main_p8 1) v_idx_300) (< v_idx_300 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (< v_idx_298 (+ ULTIMATE.start_main_p8 1)) (= v_v_954_1 (select |#valid| v_idx_298))) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_293) (< v_idx_293 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_293) 0)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (<= (- v_v_956_1 (- v_v_956_1)) 0) (= v_v_958_1 (select |old(#memory_int)| v_idx_302)) (or (= v_v_955_1 (select |#memory_int| v_idx_299)) (<= ULTIMATE.start_malloc_ptr v_idx_299)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_948_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_292)) (<= ULTIMATE.start_malloc_ptr v_idx_292)) (= v_v_951_1 (select |old(#valid)| v_idx_295)) (or (= v_v_950_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_294)) (< v_idx_294 (+ ULTIMATE.start_main_p8 1))) (or (<= ULTIMATE.start_malloc_ptr v_idx_296) (= v_v_952_1 (select |#valid| v_idx_296))) (or (= 1 (select |#valid| v_idx_297)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_297) (< v_idx_297 ULTIMATE.start_malloc_ptr)) (or (= (select |#memory_int| v_idx_301) v_v_957_1) (< v_idx_301 (+ ULTIMATE.start_main_p8 1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= v_v_956_1 0)))) (forall ((v_idx_289 Int) (v_idx_290 Int) (v_idx_291 Int) (v_idx_283 Int) (v_idx_284 Int) (v_idx_281 Int) (v_idx_282 Int) (v_idx_287 Int) (v_idx_288 Int) (v_idx_285 Int) (v_idx_286 Int)) (exists ((v_v_846_1 Int) (v_v_847_1 Int) (v_v_837_1 Int) (v_v_844_1 Int) (v_v_845_1 Int) (v_v_839_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (<= v_v_845_1 0) (or (= v_v_845_1 (select |#memory_int| v_idx_289)) (< v_idx_289 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_289)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (= (select |old(#memory_int)| v_idx_291) v_v_847_1) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_282) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_282) 0) (< v_idx_282 ULTIMATE.start_malloc_ptr)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_843_1 (select |#valid| v_idx_287)) (< v_idx_287 (+ ULTIMATE.start_main_p8 1))) (or (<= ULTIMATE.start_malloc_ptr v_idx_281) (= v_v_837_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_281))) (<= (- v_v_845_1 (- v_v_845_1)) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_285) (= v_v_841_1 (select |#valid| v_idx_285))) (<= (- (- v_v_845_1) v_v_845_1) 6) (= v_v_840_1 (select |old(#valid)| v_idx_284)) (or (= v_v_846_1 (select |#memory_int| v_idx_290)) (< v_idx_290 (+ ULTIMATE.start_main_p8 1))) (or (< v_idx_286 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_286) (= 1 (select |#valid| v_idx_286))) (or (= v_v_839_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_283)) (< v_idx_283 (+ ULTIMATE.start_main_p8 1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_288) (= v_v_844_1 (select |#memory_int| v_idx_288))) (<= 0 (+ v_v_845_1 3))))))} [2019-01-07 18:56:30,215 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-07 18:56:30,215 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 18:56:30,392 WARN L276 ngHoareTripleChecker]: Post: {2147483628#(and (forall ((v_idx_305 Int)) (or (<= (+ (select |#memory_int| v_idx_305) 1) 0) (<= (+ ULTIMATE.start_main_p8 1) v_idx_305) (< v_idx_305 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_308 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_308) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_308) 0) (< v_idx_308 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_312 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_312) (= 1 (select |#valid| v_idx_312)) (< v_idx_312 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_prenex_8 Int)) (or (< v_prenex_8 ULTIMATE.start_malloc_ptr) (<= (+ (* 2 (select |#memory_int| v_prenex_8)) 2) 0) (<= (+ ULTIMATE.start_main_p8 1) v_prenex_8))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:33,891 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:33,891 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:33,891 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:33,892 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:33,892 WARN L224 ngHoareTripleChecker]: Pre: {2147483627#(or (forall ((v_idx_324 Int) (v_idx_314 Int) (v_idx_322 Int) (v_idx_323 Int) (v_idx_317 Int) (v_idx_318 Int) (v_idx_315 Int) (v_idx_316 Int) (v_idx_319 Int) (v_idx_320 Int) (v_idx_321 Int)) (exists ((v_v_846_1 Int) (v_v_837_1 Int) (v_v_847_1 Int) (v_v_844_1 Int) (v_v_845_1 Int) (v_v_839_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (<= v_v_845_1 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_320 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_843_1 (select |c_#valid| v_idx_320))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_314) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_314) v_v_837_1)) (= v_v_847_1 (select |c_old(#memory_int)| v_idx_324)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_319 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_319) (= 1 (select |c_#valid| v_idx_319))) (<= (- v_v_845_1 (- v_v_845_1)) 0) (or (= v_v_841_1 (select |c_#valid| v_idx_318)) (<= c_ULTIMATE.start_malloc_ptr v_idx_318)) (<= (- (- v_v_845_1) v_v_845_1) 6) (= (select |c_old(#valid)| v_idx_317) v_v_840_1) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_322) (< v_idx_322 c_ULTIMATE.start_malloc_ptr) (= v_v_845_1 (select |c_#memory_int| v_idx_322))) (or (= v_v_846_1 (select |c_#memory_int| v_idx_323)) (< v_idx_323 (+ c_ULTIMATE.start_main_p8 1))) (or (= v_v_839_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_316)) (< v_idx_316 (+ c_ULTIMATE.start_main_p8 1))) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_315) (< v_idx_315 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_315))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_321) (= v_v_844_1 (select |c_#memory_int| v_idx_321))) (<= 0 (+ v_v_845_1 3))))) (forall ((v_idx_335 Int) (v_idx_325 Int) (v_idx_333 Int) (v_idx_334 Int) (v_idx_328 Int) (v_idx_329 Int) (v_idx_326 Int) (v_idx_327 Int) (v_idx_331 Int) (v_idx_332 Int) (v_idx_330 Int)) (exists ((v_v_958_1 Int) (v_v_948_1 Int) (v_v_954_1 Int) (v_v_955_1 Int) (v_v_956_1 Int) (v_v_957_1 Int) (v_v_950_1 Int) (v_v_951_1 Int) (v_v_952_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (= v_v_958_1 (select |c_old(#memory_int)| v_idx_335)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_333 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_333) (= v_v_956_1 (select |c_#memory_int| v_idx_333))) (<= (- v_v_956_1 (- v_v_956_1)) 0) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_330) (= 1 (select |c_#valid| v_idx_330)) (< v_idx_330 c_ULTIMATE.start_malloc_ptr)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_955_1 (select |c_#memory_int| v_idx_332)) (<= c_ULTIMATE.start_malloc_ptr v_idx_332)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_325) (= v_v_948_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_325))) (= v_v_951_1 (select |c_old(#valid)| v_idx_328)) (or (= v_v_952_1 (select |c_#valid| v_idx_329)) (<= c_ULTIMATE.start_malloc_ptr v_idx_329)) (or (< v_idx_331 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_954_1 (select |c_#valid| v_idx_331))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_326)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_326) (< v_idx_326 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_327 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_950_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_327))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_334 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_957_1 (select |c_#memory_int| v_idx_334))) (<= v_v_956_1 0)))))} [2019-01-07 18:56:33,892 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:56:33,892 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:56:33,892 WARN L230 ngHoareTripleChecker]: Post: {2147483626#(forall ((v_idx_346 Int) (v_idx_336 Int) (v_idx_344 Int) (v_idx_345 Int) (v_idx_339 Int) (v_idx_337 Int) (v_idx_338 Int) (v_idx_342 Int) (v_idx_343 Int) (v_idx_340 Int) (v_idx_341 Int)) (exists ((v_v_1290_1 Int) (v_v_1291_1 Int) (v_v_837_1 Int) (v_v_847_1 Int) (v_v_1292_1 Int) (v_v_839_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (or (< v_idx_341 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_341)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_341)) (<= (+ v_v_1291_1 1) 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_342 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_342) v_v_839_1)) (or (= (select |c_#memory_int| v_idx_338) v_v_1292_1) (< v_idx_338 (+ c_ULTIMATE.start_main_p1 1))) (or (<= c_ULTIMATE.start_main_p1 v_idx_336) (= (select |c_#memory_int| v_idx_336) v_v_1290_1)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_340) (= v_v_837_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_340))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#memory_int)| v_idx_339) v_v_847_1) (or (= v_v_841_1 (select |c_#valid| v_idx_344)) (<= c_ULTIMATE.start_malloc_ptr v_idx_344)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_345) (< v_idx_345 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_345))) (or (< v_idx_346 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_843_1 (select |c_#valid| v_idx_346))) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_337) (< v_idx_337 c_ULTIMATE.start_main_p1) (= (select |c_#memory_int| v_idx_337) v_v_1291_1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (= (select |c_old(#valid)| v_idx_343) v_v_840_1) (<= (- v_v_1291_1 (- v_v_1291_1)) (- 2)))))} [2019-01-07 18:56:33,892 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:34,585 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:34,585 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:42,686 WARN L181 SmtUtils]: Spent 8.10 s on a formula simplification that was a NOOP. DAG size: 165 [2019-01-07 18:56:42,687 WARN L270 ngHoareTripleChecker]: Pre: {2147483627#(or (forall ((v_idx_324 Int) (v_idx_314 Int) (v_idx_322 Int) (v_idx_323 Int) (v_idx_317 Int) (v_idx_318 Int) (v_idx_315 Int) (v_idx_316 Int) (v_idx_319 Int) (v_idx_320 Int) (v_idx_321 Int)) (exists ((v_v_846_1 Int) (v_v_837_1 Int) (v_v_847_1 Int) (v_v_844_1 Int) (v_v_845_1 Int) (v_v_839_1 Int) (v_v_843_1 Int) (v_v_840_1 Int) (v_v_841_1 Int)) (and (<= v_v_845_1 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (< v_idx_320 (+ ULTIMATE.start_main_p8 1)) (= v_v_843_1 (select |#valid| v_idx_320))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_malloc_ptr v_idx_314) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_314) v_v_837_1)) (= v_v_847_1 (select |old(#memory_int)| v_idx_324)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_319 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_319) (= 1 (select |#valid| v_idx_319))) (<= (- v_v_845_1 (- v_v_845_1)) 0) (or (= v_v_841_1 (select |#valid| v_idx_318)) (<= ULTIMATE.start_malloc_ptr v_idx_318)) (<= (- (- v_v_845_1) v_v_845_1) 6) (= (select |old(#valid)| v_idx_317) v_v_840_1) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_322) (< v_idx_322 ULTIMATE.start_malloc_ptr) (= v_v_845_1 (select |#memory_int| v_idx_322))) (or (= v_v_846_1 (select |#memory_int| v_idx_323)) (< v_idx_323 (+ ULTIMATE.start_main_p8 1))) (or (= v_v_839_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_316)) (< v_idx_316 (+ ULTIMATE.start_main_p8 1))) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_315) (< v_idx_315 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_315))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_321) (= v_v_844_1 (select |#memory_int| v_idx_321))) (<= 0 (+ v_v_845_1 3))))) (forall ((v_idx_335 Int) (v_idx_325 Int) (v_idx_333 Int) (v_idx_334 Int) (v_idx_328 Int) (v_idx_329 Int) (v_idx_326 Int) (v_idx_327 Int) (v_idx_331 Int) (v_idx_332 Int) (v_idx_330 Int)) (exists ((v_v_958_1 Int) (v_v_948_1 Int) (v_v_954_1 Int) (v_v_955_1 Int) (v_v_956_1 Int) (v_v_957_1 Int) (v_v_950_1 Int) (v_v_951_1 Int) (v_v_952_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (= v_v_958_1 (select |old(#memory_int)| v_idx_335)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (< v_idx_333 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_333) (= v_v_956_1 (select |#memory_int| v_idx_333))) (<= (- v_v_956_1 (- v_v_956_1)) 0) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_330) (= 1 (select |#valid| v_idx_330)) (< v_idx_330 ULTIMATE.start_malloc_ptr)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_955_1 (select |#memory_int| v_idx_332)) (<= ULTIMATE.start_malloc_ptr v_idx_332)) (or (<= ULTIMATE.start_malloc_ptr v_idx_325) (= v_v_948_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_325))) (= v_v_951_1 (select |old(#valid)| v_idx_328)) (or (= v_v_952_1 (select |#valid| v_idx_329)) (<= ULTIMATE.start_malloc_ptr v_idx_329)) (or (< v_idx_331 (+ ULTIMATE.start_main_p8 1)) (= v_v_954_1 (select |#valid| v_idx_331))) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_326)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_326) (< v_idx_326 ULTIMATE.start_malloc_ptr)) (or (< v_idx_327 (+ ULTIMATE.start_main_p8 1)) (= v_v_950_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_327))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_334 (+ ULTIMATE.start_main_p8 1)) (= v_v_957_1 (select |#memory_int| v_idx_334))) (<= v_v_956_1 0)))))} [2019-01-07 18:56:42,687 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:56:42,687 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:56:42,960 WARN L276 ngHoareTripleChecker]: Post: {2147483626#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_341 Int)) (or (< v_idx_341 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_341)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_341))) (forall ((v_idx_345 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_345) (< v_idx_345 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_345)))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_337 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_337) (< v_idx_337 ULTIMATE.start_main_p1) (<= (+ (select |#memory_int| v_idx_337) 1) 0))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (forall ((v_prenex_9 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_prenex_9) (< v_prenex_9 ULTIMATE.start_main_p1) (<= (+ (* 2 (select |#memory_int| v_prenex_9)) 2) 0))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:43,136 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 18:56:43,138 INFO L272 AbstractInterpreter]: Visited 3 different actions 11 times. Merged at 1 different actions 4 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-07 18:56:43,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:56:43,144 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-07 18:56:43,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:56:43,145 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 18:56:43,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:56:43,161 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:56:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:56:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:56:43,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:56:43,287 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 27 treesize of output 30 [2019-01-07 18:56:43,298 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 30 treesize of output 36 [2019-01-07 18:56:43,307 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,309 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,310 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 32 treesize of output 46 [2019-01-07 18:56:43,335 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,337 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,339 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,342 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 34 treesize of output 60 [2019-01-07 18:56:43,387 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,388 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,390 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,392 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,393 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 36 treesize of output 78 [2019-01-07 18:56:43,460 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,465 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,469 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,472 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 38 treesize of output 100 [2019-01-07 18:56:43,509 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,511 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,513 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,515 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,517 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,519 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,521 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 40 treesize of output 126 [2019-01-07 18:56:43,598 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,599 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,601 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,604 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,605 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,607 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,608 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:43,611 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 153 [2019-01-07 18:56:43,625 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-07 18:56:43,757 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:43,809 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:43,855 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:43,895 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:43,927 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:43,955 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:43,981 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:44,049 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,052 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 18:56:44,150 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,152 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,154 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 18:56:44,255 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,257 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,258 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,259 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,260 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 18:56:44,389 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2019-01-07 18:56:44,406 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,408 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,409 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,411 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,412 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,414 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,416 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 18:56:44,557 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,558 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,560 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,561 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,563 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,564 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,566 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,567 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,569 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 18:56:44,725 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-01-07 18:56:44,752 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,753 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,754 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,755 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,756 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,758 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,759 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,761 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,762 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,764 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:44,766 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 18:56:44,960 WARN L181 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-01-07 18:56:45,011 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,012 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,015 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,016 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,020 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,021 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,022 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,023 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,024 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,026 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,027 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,029 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:45,031 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 18:56:45,039 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-01-07 18:56:45,114 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:45,183 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:45,255 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:45,328 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:45,401 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:45,475 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:45,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-01-07 18:56:45,611 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:147, output treesize:153 [2019-01-07 18:56:47,638 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:56:47,639 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_42|, ULTIMATE.start_main_p2, ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, ULTIMATE.start_main_p5, ULTIMATE.start_main_p6, ULTIMATE.start_main_p7, |v_#valid_10|]. (let ((.cse5 (store |v_#valid_10| ULTIMATE.start_main_p1 1))) (let ((.cse4 (store .cse5 ULTIMATE.start_main_p2 1))) (let ((.cse2 (store .cse4 ULTIMATE.start_main_p3 1))) (let ((.cse0 (store .cse2 ULTIMATE.start_main_p4 1))) (let ((.cse3 (store .cse0 ULTIMATE.start_main_p5 1))) (let ((.cse1 (store .cse3 ULTIMATE.start_main_p6 1))) (and (= (select .cse0 ULTIMATE.start_main_p5) 0) (= 0 (select .cse1 ULTIMATE.start_main_p7)) (= 0 (select .cse2 ULTIMATE.start_main_p4)) (= (select .cse3 ULTIMATE.start_main_p6) 0) (= (store (store (store (store (store (store (store (store |v_#memory_int_42| 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) |#memory_int|) (= 0 (select .cse4 ULTIMATE.start_main_p3)) (= (select .cse5 ULTIMATE.start_main_p2) 0) (= (select (store .cse1 ULTIMATE.start_main_p7 1) ULTIMATE.start_main_p8) 0)))))))) [2019-01-07 18:56:47,639 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p4, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, 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)) (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_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))) [2019-01-07 18:56:49,219 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:49,221 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 159 [2019-01-07 18:56:49,228 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:56:49,359 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 18:56:49,360 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:163, output treesize:125 [2019-01-07 18:56:51,539 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:56:51,540 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_43|, ULTIMATE.start_main_p8, ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p4, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p6]. (let ((.cse0 (select |v_#memory_int_43| ULTIMATE.start_main_p8))) (and (= (select |v_#memory_int_43| ULTIMATE.start_main_p2) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (= (store |v_#memory_int_43| ULTIMATE.start_main_p8 (+ .cse0 (- 1))) |#memory_int|) (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)) (= .cse0 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p5) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p6) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p7) 0) (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)) (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 |v_#memory_int_43| 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_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (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)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) [2019-01-07 18:56:51,540 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, ULTIMATE.start_main_p6, ULTIMATE.start_main_p8]. (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_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (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)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (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_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (- 1) (select |#memory_int| 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_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5))) [2019-01-07 18:56:53,735 INFO L273 TraceCheckUtils]: 0: Hoare triple {150#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;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;#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]; {157#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 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_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (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)) (= (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_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)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)))} is VALID [2019-01-07 18:56:54,262 INFO L273 TraceCheckUtils]: 1: Hoare triple {157#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 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_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (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)) (= (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_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)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)))} #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; {161#(and (exists ((ULTIMATE.start_main_p8 Int)) (= 0 (+ (select |#memory_int| ULTIMATE.start_main_p8) 1))) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 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_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (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)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (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_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_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_p6 ULTIMATE.start_main_p5)))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0))} is VALID [2019-01-07 18:56:54,263 INFO L273 TraceCheckUtils]: 2: Hoare triple {161#(and (exists ((ULTIMATE.start_main_p8 Int)) (= 0 (+ (select |#memory_int| ULTIMATE.start_main_p8) 1))) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 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_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (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)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (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_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_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_p6 ULTIMATE.start_main_p5)))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0))} assume !(#memory_int[main_p1] >= 0); {151#false} is VALID [2019-01-07 18:56:54,264 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 18:56:54,264 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:56:54,291 INFO L273 TraceCheckUtils]: 2: Hoare triple {165#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} assume !(#memory_int[main_p1] >= 0); {151#false} is VALID [2019-01-07 18:56:54,296 INFO L273 TraceCheckUtils]: 1: Hoare triple {169#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1))} #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; {165#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:56:54,298 INFO L273 TraceCheckUtils]: 0: Hoare triple {150#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;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;#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]; {169#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:56:54,298 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 18:56:54,319 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:56:54,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 6 [2019-01-07 18:56:54,319 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:56:54,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-07 18:56:54,320 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:56:54,320 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2019-01-07 18:56:55,277 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 18:56:55,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-07 18:56:55,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-07 18:56:55,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-07 18:56:55,278 INFO L87 Difference]: Start difference. First operand 18 states and 33 transitions. Second operand 6 states. [2019-01-07 18:56:55,882 WARN L181 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-01-07 18:56:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:56:57,254 INFO L93 Difference]: Finished difference Result 63 states and 92 transitions. [2019-01-07 18:56:57,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-07 18:56:57,254 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-07 18:56:57,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:56:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-07 18:56:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 92 transitions. [2019-01-07 18:56:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-07 18:56:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 92 transitions. [2019-01-07 18:56:57,260 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 92 transitions. [2019-01-07 18:57:18,951 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:57:18,955 INFO L225 Difference]: With dead ends: 63 [2019-01-07 18:57:18,955 INFO L226 Difference]: Without dead ends: 60 [2019-01-07 18:57:18,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-01-07 18:57:18,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-07 18:57:19,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 25. [2019-01-07 18:57:19,016 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:57:19,016 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 25 states. [2019-01-07 18:57:19,016 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 25 states. [2019-01-07 18:57:19,016 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 25 states. [2019-01-07 18:57:19,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:57:19,021 INFO L93 Difference]: Finished difference Result 60 states and 88 transitions. [2019-01-07 18:57:19,021 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2019-01-07 18:57:19,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:57:19,022 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:57:19,022 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 60 states. [2019-01-07 18:57:19,023 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 60 states. [2019-01-07 18:57:19,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:57:19,027 INFO L93 Difference]: Finished difference Result 60 states and 88 transitions. [2019-01-07 18:57:19,028 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2019-01-07 18:57:19,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:57:19,029 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:57:19,029 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:57:19,029 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:57:19,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-07 18:57:19,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 53 transitions. [2019-01-07 18:57:19,031 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 53 transitions. Word has length 3 [2019-01-07 18:57:19,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:57:19,031 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 53 transitions. [2019-01-07 18:57:19,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-07 18:57:19,032 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 53 transitions. [2019-01-07 18:57:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 18:57:19,032 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:57:19,032 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 18:57:19,033 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:57:19,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:57:19,033 INFO L82 PathProgramCache]: Analyzing trace with hash 30384, now seen corresponding path program 1 times [2019-01-07 18:57:19,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:57:19,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:57:19,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:57:19,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:57:19,035 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:57:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:57:19,195 INFO L273 TraceCheckUtils]: 0: Hoare triple {389#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;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;#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]; {391#(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 18:57:19,196 INFO L273 TraceCheckUtils]: 1: Hoare triple {391#(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]; {392#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:57:19,196 INFO L273 TraceCheckUtils]: 2: Hoare triple {392#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {390#false} is VALID [2019-01-07 18:57:19,197 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 18:57:19,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:57:19,197 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:57:19,197 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 18:57:19,198 INFO L207 CegarAbsIntRunner]: [0], [18], [35] [2019-01-07 18:57:19,200 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 18:57:19,201 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:57:21,831 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:57:21,831 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:57:21,832 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:57:21,832 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:57:21,832 WARN L224 ngHoareTripleChecker]: Pre: {2147483623#(forall ((v_idx_368 Int) (v_idx_369 Int) (v_idx_366 Int) (v_idx_367 Int) (v_idx_371 Int) (v_idx_372 Int) (v_idx_370 Int) (v_idx_364 Int) (v_idx_365 Int) (v_idx_373 Int) (v_idx_363 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_106_2 Int) (v_v_82_2 Int) (v_v_2_2 Int) (v_v_108_2 Int) (v_v_4_2 Int)) (and (or (= v_v_82_2 (select |c_#valid| v_idx_371)) (<= c_ULTIMATE.start_malloc_ptr v_idx_371)) (or (< v_idx_368 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_368) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_368) 0)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_365) (< v_idx_365 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_#memory_int| v_idx_365))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_367) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_367) v_v_76_2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (= v_v_2_2 (select |c_old(#valid)| v_idx_370)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_369) v_v_78_2) (< v_idx_369 (+ c_ULTIMATE.start_main_p8 1))) (or (= 1 (select |c_#valid| v_idx_372)) (< v_idx_372 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_372)) (or (< v_idx_366 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_108_2 (select |c_#memory_int| v_idx_366))) (or (= v_v_84_2 (select |c_#valid| v_idx_373)) (< v_idx_373 (+ c_ULTIMATE.start_main_p8 1))) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_363)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_364) (= (select |c_#memory_int| v_idx_364) v_v_106_2)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:57:21,832 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:57:21,832 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 18:57:21,833 WARN L230 ngHoareTripleChecker]: Post: {2147483622#(forall ((v_idx_379 Int) (v_idx_377 Int) (v_idx_378 Int) (v_idx_382 Int) (v_idx_383 Int) (v_idx_380 Int) (v_idx_381 Int) (v_idx_375 Int) (v_idx_376 Int) (v_idx_384 Int) (v_idx_374 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_82_2 Int) (v_v_109_2 Int) (v_v_2_2 Int) (v_v_111_2 Int) (v_v_4_2 Int) (v_v_110_2 Int)) (and (or (= v_v_111_2 (select |c_#memory_int| v_idx_377)) (< v_idx_377 (+ c_ULTIMATE.start_main_p4 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_378) (= v_v_76_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_378))) (or (< v_idx_380 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_380) v_v_78_2)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_84_2 (select |c_#valid| v_idx_384)) (< v_idx_384 (+ c_ULTIMATE.start_main_p8 1))) (= v_v_2_2 (select |c_old(#valid)| v_idx_381)) (or (= v_v_82_2 (select |c_#valid| v_idx_382)) (<= c_ULTIMATE.start_malloc_ptr v_idx_382)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_374)) (or (= v_v_109_2 (select |c_#memory_int| v_idx_375)) (<= c_ULTIMATE.start_main_p4 v_idx_375)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_383) (= 1 (select |c_#valid| v_idx_383)) (< v_idx_383 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_379 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_379)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_379)) (or (< v_idx_376 c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_376) (= (select |c_#memory_int| v_idx_376) v_v_110_2)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:57:21,833 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:57:22,290 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:57:22,291 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:57:22,489 WARN L270 ngHoareTripleChecker]: Pre: {2147483623#(and (forall ((v_idx_365 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_365) (< v_idx_365 ULTIMATE.start_malloc_ptr) (= 0 (select |#memory_int| v_idx_365)))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_368 Int)) (or (< v_idx_368 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_368) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_368) 0))) (forall ((v_idx_372 Int)) (or (= 1 (select |#valid| v_idx_372)) (< v_idx_372 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p8 1) v_idx_372))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:57:22,489 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:57:22,489 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 18:57:22,515 WARN L276 ngHoareTripleChecker]: Post: {2147483622#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_379 Int)) (or (< v_idx_379 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_379)) (<= (+ ULTIMATE.start_main_p8 1) v_idx_379))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_383 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_383) (= 1 (select |#valid| v_idx_383)) (< v_idx_383 ULTIMATE.start_malloc_ptr))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:57:24,891 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:57:24,891 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:57:24,891 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:57:24,891 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:57:24,891 WARN L224 ngHoareTripleChecker]: Pre: {2147483621#(forall ((v_idx_388 Int) (v_idx_389 Int) (v_idx_390 Int) (v_idx_393 Int) (v_idx_394 Int) (v_idx_391 Int) (v_idx_392 Int) (v_idx_386 Int) (v_idx_387 Int) (v_idx_395 Int) (v_idx_385 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_106_2 Int) (v_v_82_2 Int) (v_v_108_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (= v_v_4_2 (select |c_old(#memory_int)| v_idx_385)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_108_2 (select |c_#memory_int| v_idx_388)) (< v_idx_388 (+ c_ULTIMATE.start_main_p8 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_389) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_389) v_v_76_2)) (or (< v_idx_391 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_391) v_v_78_2)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_390) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_390) 0) (< v_idx_390 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_387) (< v_idx_387 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_#memory_int| v_idx_387))) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_394) (= 1 (select |c_#valid| v_idx_394)) (< v_idx_394 c_ULTIMATE.start_malloc_ptr)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_395 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_84_2 (select |c_#valid| v_idx_395))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_386) (= v_v_106_2 (select |c_#memory_int| v_idx_386))) (= (select |c_old(#valid)| v_idx_392) v_v_2_2) (or (= v_v_82_2 (select |c_#valid| v_idx_393)) (<= c_ULTIMATE.start_malloc_ptr v_idx_393)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:57:24,892 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:57:24,892 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:57:24,892 WARN L230 ngHoareTripleChecker]: Post: {2147483620#(forall ((v_idx_401 Int) (v_idx_402 Int) (v_idx_399 Int) (v_idx_400 Int) (v_idx_405 Int) (v_idx_406 Int) (v_idx_403 Int) (v_idx_404 Int) (v_idx_397 Int) (v_idx_398 Int) (v_idx_396 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_82_2 Int) (v_v_124_2 Int) (v_v_2_2 Int) (v_v_125_2 Int) (v_v_123_2 Int) (v_v_4_2 Int)) (and (= (select |c_old(#valid)| v_idx_403) v_v_2_2) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_405) (< v_idx_405 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_405))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_401) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_401)) (< v_idx_401 c_ULTIMATE.start_malloc_ptr)) (or (= v_v_123_2 (select |c_#memory_int| v_idx_397)) (<= c_ULTIMATE.start_main_p1 v_idx_397)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_400) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_400) v_v_76_2)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_396)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_404) (= (select |c_#valid| v_idx_404) v_v_82_2)) (or (= v_v_125_2 (select |c_#memory_int| v_idx_399)) (< v_idx_399 (+ c_ULTIMATE.start_main_p1 1))) (or (= (select |c_#valid| v_idx_406) v_v_84_2) (< v_idx_406 (+ c_ULTIMATE.start_main_p8 1))) (<= (- v_v_124_2 (- v_v_124_2)) (- 2)) (or (= v_v_78_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_402)) (< v_idx_402 (+ c_ULTIMATE.start_main_p8 1))) (<= (+ v_v_124_2 1) 0) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_124_2 (select |c_#memory_int| v_idx_398)) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_398) (< v_idx_398 c_ULTIMATE.start_main_p1)))))} [2019-01-07 18:57:24,892 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:57:25,054 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:57:25,054 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:57:25,231 WARN L270 ngHoareTripleChecker]: Pre: {2147483621#(and (forall ((v_idx_394 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_394) (= 1 (select |#valid| v_idx_394)) (< v_idx_394 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_390 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_390) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_390) 0) (< v_idx_390 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_387 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_387) (< v_idx_387 ULTIMATE.start_malloc_ptr) (= 0 (select |#memory_int| v_idx_387)))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:57:25,232 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:57:25,232 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:57:25,278 WARN L276 ngHoareTripleChecker]: Post: {2147483620#(and (forall ((v_idx_405 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_405) (< v_idx_405 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_405)))) (forall ((v_prenex_10 Int)) (or (< v_prenex_10 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_10) (<= (+ (select |#memory_int| v_prenex_10) 1) 0))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_401 Int)) (or (<= (+ ULTIMATE.start_main_p8 1) v_idx_401) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_401)) (< v_idx_401 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_398 Int)) (or (<= (+ (* 2 (select |#memory_int| v_idx_398)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_398) (< v_idx_398 ULTIMATE.start_main_p1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:57:27,862 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:57:27,863 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:57:27,863 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:57:27,863 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:57:27,863 WARN L224 ngHoareTripleChecker]: Pre: {2147483619#(or (forall ((v_idx_423 Int) (v_idx_424 Int) (v_idx_421 Int) (v_idx_422 Int) (v_idx_427 Int) (v_idx_428 Int) (v_idx_425 Int) (v_idx_426 Int) (v_idx_418 Int) (v_idx_419 Int) (v_idx_420 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_109_2 Int) (v_v_82_2 Int) (v_v_2_2 Int) (v_v_111_2 Int) (v_v_4_2 Int) (v_v_110_2 Int)) (and (or (< v_idx_424 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_424) v_v_78_2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_418)) (or (< v_idx_428 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_84_2 (select |c_#valid| v_idx_428))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_main_p4 v_idx_419) (= v_v_109_2 (select |c_#memory_int| v_idx_419))) (= v_v_2_2 (select |c_old(#valid)| v_idx_425)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_422) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_422) v_v_76_2)) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_423) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_423)) (< v_idx_423 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_420 c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_420) (= v_v_110_2 (select |c_#memory_int| v_idx_420))) (or (< v_idx_427 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_427) (= 1 (select |c_#valid| v_idx_427))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_426) (= v_v_82_2 (select |c_#valid| v_idx_426))) (or (< v_idx_421 (+ c_ULTIMATE.start_main_p4 1)) (= v_v_111_2 (select |c_#memory_int| v_idx_421))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_412 Int) (v_idx_413 Int) (v_idx_410 Int) (v_idx_411 Int) (v_idx_416 Int) (v_idx_417 Int) (v_idx_414 Int) (v_idx_415 Int) (v_idx_409 Int) (v_idx_407 Int) (v_idx_408 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_106_2 Int) (v_v_82_2 Int) (v_v_108_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_412) (< v_idx_412 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_412))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= (select |c_old(#memory_int)| v_idx_407) v_v_4_2) (or (= (select |c_#memory_int| v_idx_409) 0) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_409) (< v_idx_409 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_417 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_#valid| v_idx_417) v_v_84_2)) (or (= (select |c_#memory_int| v_idx_408) v_v_106_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_408)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_108_2 (select |c_#memory_int| v_idx_410)) (< v_idx_410 (+ c_ULTIMATE.start_main_p8 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_411) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_411) v_v_76_2)) (= (select |c_old(#valid)| v_idx_414) v_v_2_2) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_415) (= (select |c_#valid| v_idx_415) v_v_82_2)) (or (< v_idx_413 (+ c_ULTIMATE.start_main_p8 1)) (= v_v_78_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_413))) (or (< v_idx_416 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_416)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_416)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-07 18:57:27,864 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:57:27,864 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 18:57:27,864 WARN L230 ngHoareTripleChecker]: Post: {2147483618#(forall ((v_idx_434 Int) (v_idx_435 Int) (v_idx_432 Int) (v_idx_433 Int) (v_idx_438 Int) (v_idx_439 Int) (v_idx_436 Int) (v_idx_437 Int) (v_idx_429 Int) (v_idx_430 Int) (v_idx_431 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_128_2 Int) (v_v_126_2 Int) (v_v_127_2 Int) (v_v_82_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_439 (+ c_ULTIMATE.start_main_p8 1)) (= (select |c_#valid| v_idx_439) v_v_84_2)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_438) (= 1 (select |c_#valid| v_idx_438)) (< v_idx_438 c_ULTIMATE.start_malloc_ptr)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_434)) (<= (+ c_ULTIMATE.start_main_p8 1) v_idx_434) (< v_idx_434 c_ULTIMATE.start_malloc_ptr)) (= v_v_2_2 (select |c_old(#valid)| v_idx_436)) (or (< v_idx_432 (+ c_ULTIMATE.start_main_p4 1)) (= (select |c_#memory_int| v_idx_432) v_v_128_2)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_435) v_v_78_2) (< v_idx_435 (+ c_ULTIMATE.start_main_p8 1))) (or (< v_idx_431 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_431) v_v_127_2) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_431)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_429)) (or (= (select |c_#valid| v_idx_437) v_v_82_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_437)) (or (= v_v_76_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_433)) (<= c_ULTIMATE.start_malloc_ptr v_idx_433)) (or (<= c_ULTIMATE.start_main_p4 v_idx_430) (= (select |c_#memory_int| v_idx_430) v_v_126_2)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-07 18:57:27,864 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:57:28,354 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:57:28,355 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:57:31,262 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-07 18:57:31,263 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$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 50 more [2019-01-07 18:57:31,268 INFO L168 Benchmark]: Toolchain (without parser) took 212495.92 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -955.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-01-07 18:57:31,269 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:57:31,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.72 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:57:31,270 INFO L168 Benchmark]: Boogie Preprocessor took 35.59 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:57:31,271 INFO L168 Benchmark]: RCFGBuilder took 1198.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2019-01-07 18:57:31,271 INFO L168 Benchmark]: TraceAbstraction took 211188.68 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -997.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-01-07 18:57:31,275 INFO L336 ainManager$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 0.23 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 68.72 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 35.59 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 1198.22 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 211188.68 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -997.9 MB). Peak memory consumption was 1.2 GB. 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...