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-3-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0302a3f [2019-02-27 13:27:03,664 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-27 13:27:03,666 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-27 13:27:03,679 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-02-27 13:27:03,722 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-02-27 13:27:03,744 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-27 13:27:03,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-27 13:27:03,746 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-27 13:27:03,746 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-27 13:27:03,746 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-27 13:27:03,746 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-27 13:27:03,747 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-27 13:27:03,747 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-27 13:27:03,748 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-27 13:27:03,748 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-02-27 13:27:03,748 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-27 13:27:03,748 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-27 13:27:03,748 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-27 13:27:03,749 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-27 13:27:03,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-27 13:27:03,750 INFO L133 SettingsManager]: * Use SBE=true [2019-02-27 13:27:03,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-27 13:27:03,750 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-27 13:27:03,750 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-27 13:27:03,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-27 13:27:03,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-27 13:27:03,751 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-27 13:27:03,751 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-27 13:27:03,751 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-27 13:27:03,751 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-27 13:27:03,752 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-27 13:27:03,753 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-27 13:27:03,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-27 13:27:03,754 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-27 13:27:03,754 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-27 13:27:03,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-27 13:27:03,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-27 13:27:03,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-27 13:27:03,755 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-27 13:27:03,755 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-27 13:27:03,755 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-27 13:27:03,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-27 13:27:03,756 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-27 13:27:03,756 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-27 13:27:03,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-27 13:27:03,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-27 13:27:03,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-27 13:27:03,828 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-27 13:27:03,829 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-27 13:27:03,830 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-3-limited.bpl [2019-02-27 13:27:03,830 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-3-limited.bpl' [2019-02-27 13:27:03,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-27 13:27:03,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-27 13:27:03,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-27 13:27:03,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-27 13:27:03,883 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-27 13:27:03,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... [2019-02-27 13:27:03,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... [2019-02-27 13:27:03,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-27 13:27:03,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-27 13:27:03,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-27 13:27:03,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-27 13:27:03,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... [2019-02-27 13:27:03,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... [2019-02-27 13:27:03,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... [2019-02-27 13:27:03,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... [2019-02-27 13:27:03,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... [2019-02-27 13:27:03,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... [2019-02-27 13:27:03,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... [2019-02-27 13:27:03,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-27 13:27:03,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-27 13:27:03,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-27 13:27:03,985 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-27 13:27:03,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-27 13:27:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-27 13:27:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-27 13:27:04,456 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-27 13:27:04,457 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. [2019-02-27 13:27:04,458 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.02 01:27:04 BoogieIcfgContainer [2019-02-27 13:27:04,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-27 13:27:04,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-02-27 13:27:04,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-02-27 13:27:04,463 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-02-27 13:27:04,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:27:03" (1/2) ... [2019-02-27 13:27:04,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ca7efd and model type speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.02 01:27:04, skipping insertion in model container [2019-02-27 13:27:04,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-3-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.02 01:27:04" (2/2) ... [2019-02-27 13:27:04,467 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-3-limited.bpl [2019-02-27 13:27:04,476 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-02-27 13:27:04,485 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-02-27 13:27:04,502 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-02-27 13:27:04,535 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-02-27 13:27:04,536 INFO L383 AbstractCegarLoop]: Hoare is true [2019-02-27 13:27:04,536 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-02-27 13:27:04,536 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-02-27 13:27:04,536 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-02-27 13:27:04,537 INFO L387 AbstractCegarLoop]: Difference is false [2019-02-27 13:27:04,537 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-02-27 13:27:04,537 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-02-27 13:27:04,553 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-02-27 13:27:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-02-27 13:27:04,559 INFO L394 BasicCegarLoop]: Found error trace [2019-02-27 13:27:04,561 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-02-27 13:27:04,563 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT]=== [2019-02-27 13:27:04,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-27 13:27:04,572 INFO L82 PathProgramCache]: Analyzing trace with hash 976, now seen corresponding path program 1 times [2019-02-27 13:27:04,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-27 13:27:04,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:27:04,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-27 13:27:04,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:27:04,630 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-27 13:27:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-27 13:27:04,794 INFO L273 TraceCheckUtils]: 0: Hoare triple {12#true} havoc main_p1, main_p2, main_p3;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;assume main_p1 < main_p2;assume main_p2 < main_p3;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0]; {14#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-02-27 13:27:04,809 INFO L273 TraceCheckUtils]: 1: Hoare triple {14#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {13#false} is VALID [2019-02-27 13:27:04,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-27 13:27:04,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-02-27 13:27:04,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-02-27 13:27:04,815 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-27 13:27:04,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-02-27 13:27:04,823 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-27 13:27:04,827 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-02-27 13:27:04,836 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:27:04,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-02-27 13:27:04,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-02-27 13:27:04,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-27 13:27:04,847 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2019-02-27 13:27:05,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:27:05,128 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-02-27 13:27:05,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-02-27 13:27:05,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-02-27 13:27:05,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-27 13:27:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-27 13:27:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2019-02-27 13:27:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-27 13:27:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2019-02-27 13:27:05,136 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 21 transitions. [2019-02-27 13:27:05,266 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:27:05,278 INFO L225 Difference]: With dead ends: 17 [2019-02-27 13:27:05,279 INFO L226 Difference]: Without dead ends: 12 [2019-02-27 13:27:05,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-27 13:27:05,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-02-27 13:27:05,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 8. [2019-02-27 13:27:05,372 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-27 13:27:05,373 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 8 states. [2019-02-27 13:27:05,374 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 8 states. [2019-02-27 13:27:05,374 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 8 states. [2019-02-27 13:27:05,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:27:05,377 INFO L93 Difference]: Finished difference Result 12 states and 16 transitions. [2019-02-27 13:27:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-02-27 13:27:05,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:27:05,378 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:27:05,378 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 12 states. [2019-02-27 13:27:05,379 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 12 states. [2019-02-27 13:27:05,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:27:05,381 INFO L93 Difference]: Finished difference Result 12 states and 16 transitions. [2019-02-27 13:27:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-02-27 13:27:05,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:27:05,382 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:27:05,382 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-27 13:27:05,383 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-27 13:27:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-02-27 13:27:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 13 transitions. [2019-02-27 13:27:05,386 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 13 transitions. Word has length 2 [2019-02-27 13:27:05,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-27 13:27:05,387 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 13 transitions. [2019-02-27 13:27:05,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-02-27 13:27:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2019-02-27 13:27:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-02-27 13:27:05,387 INFO L394 BasicCegarLoop]: Found error trace [2019-02-27 13:27:05,388 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-02-27 13:27:05,388 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT]=== [2019-02-27 13:27:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-27 13:27:05,389 INFO L82 PathProgramCache]: Analyzing trace with hash 30304, now seen corresponding path program 1 times [2019-02-27 13:27:05,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-27 13:27:05,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:27:05,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-27 13:27:05,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:27:05,390 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-27 13:27:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-27 13:27:05,484 INFO L273 TraceCheckUtils]: 0: Hoare triple {70#true} havoc main_p1, main_p2, main_p3;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;assume main_p1 < main_p2;assume main_p2 < main_p3;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0]; {72#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} is VALID [2019-02-27 13:27:05,485 INFO L273 TraceCheckUtils]: 1: Hoare triple {72#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} assume #memory_int[main_p1] >= 0; {72#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} is VALID [2019-02-27 13:27:05,494 INFO L273 TraceCheckUtils]: 2: Hoare triple {72#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} assume !(#memory_int[main_p2] <= 0); {71#false} is VALID [2019-02-27 13:27:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-27 13:27:05,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-02-27 13:27:05,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-02-27 13:27:05,496 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-27 13:27:05,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-02-27 13:27:05,498 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-27 13:27:05,498 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-02-27 13:27:05,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:27:05,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-02-27 13:27:05,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-02-27 13:27:05,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-27 13:27:05,517 INFO L87 Difference]: Start difference. First operand 8 states and 13 transitions. Second operand 3 states. [2019-02-27 13:27:05,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:27:05,598 INFO L93 Difference]: Finished difference Result 12 states and 16 transitions. [2019-02-27 13:27:05,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-02-27 13:27:05,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-02-27 13:27:05,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-27 13:27:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-27 13:27:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2019-02-27 13:27:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-27 13:27:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2019-02-27 13:27:05,601 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 16 transitions. [2019-02-27 13:27:05,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:27:05,639 INFO L225 Difference]: With dead ends: 12 [2019-02-27 13:27:05,639 INFO L226 Difference]: Without dead ends: 11 [2019-02-27 13:27:05,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-27 13:27:05,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-02-27 13:27:05,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2019-02-27 13:27:05,677 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-27 13:27:05,677 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11 states. Second operand 9 states. [2019-02-27 13:27:05,677 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 9 states. [2019-02-27 13:27:05,677 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 9 states. [2019-02-27 13:27:05,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:27:05,679 INFO L93 Difference]: Finished difference Result 11 states and 15 transitions. [2019-02-27 13:27:05,679 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-02-27 13:27:05,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:27:05,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:27:05,680 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states. Second operand 11 states. [2019-02-27 13:27:05,680 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 11 states. [2019-02-27 13:27:05,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:27:05,682 INFO L93 Difference]: Finished difference Result 11 states and 15 transitions. [2019-02-27 13:27:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-02-27 13:27:05,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:27:05,683 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:27:05,683 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-27 13:27:05,683 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-27 13:27:05,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-02-27 13:27:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2019-02-27 13:27:05,685 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 14 transitions. Word has length 3 [2019-02-27 13:27:05,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-27 13:27:05,685 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 14 transitions. [2019-02-27 13:27:05,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-02-27 13:27:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2019-02-27 13:27:05,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-02-27 13:27:05,686 INFO L394 BasicCegarLoop]: Found error trace [2019-02-27 13:27:05,686 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-02-27 13:27:05,686 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT]=== [2019-02-27 13:27:05,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-27 13:27:05,687 INFO L82 PathProgramCache]: Analyzing trace with hash 29992, now seen corresponding path program 1 times [2019-02-27 13:27:05,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-27 13:27:05,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:27:05,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-27 13:27:05,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:27:05,689 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-27 13:27:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-27 13:27:05,897 INFO L273 TraceCheckUtils]: 0: Hoare triple {122#true} havoc main_p1, main_p2, main_p3;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;assume main_p1 < main_p2;assume main_p2 < main_p3;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0]; {124#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-02-27 13:27:05,898 INFO L273 TraceCheckUtils]: 1: Hoare triple {124#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; {125#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} is VALID [2019-02-27 13:27:05,899 INFO L273 TraceCheckUtils]: 2: Hoare triple {125#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} assume !(#memory_int[main_p1] >= 0); {123#false} is VALID [2019-02-27 13:27:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-27 13:27:05,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-27 13:27:05,900 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-27 13:27:05,901 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-02-27 13:27:05,903 INFO L207 CegarAbsIntRunner]: [0], [6], [15] [2019-02-27 13:27:05,953 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-02-27 13:27:05,954 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-27 13:28:00,762 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-02-27 13:28:00,764 INFO L272 AbstractInterpreter]: Visited 3 different actions 13 times. Merged at 1 different actions 5 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-27 13:28:00,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-27 13:28:00,769 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-02-27 13:28:25,842 INFO L227 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 71.43% of their original sizes. [2019-02-27 13:28:32,878 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-02-27 13:28:43,170 INFO L420 sIntCurrentIteration]: We unified 2 AI predicates to 2 [2019-02-27 13:29:06,957 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-02-27 13:29:06,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-02-27 13:29:06,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [2] total 3 [2019-02-27 13:29:06,958 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-27 13:29:06,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-02-27 13:29:06,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-27 13:29:06,960 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-02-27 13:29:06,964 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:29:06,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-02-27 13:29:06,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-02-27 13:29:06,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-27 13:29:06,965 INFO L87 Difference]: Start difference. First operand 9 states and 14 transitions. Second operand 3 states. [2019-02-27 13:29:11,050 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:29:11,051 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:29:11,051 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:29:11,052 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:29:11,052 WARN L224 ngHoareTripleChecker]: Pre: {154#(forall ((v_idx_813 Int)) (or (< v_idx_813 c_ULTIMATE.start_main_p1) (and (<= 0 (select |c_#memory_int| v_idx_813)) (<= 0 (* 2 (select |c_#memory_int| v_idx_813)))) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_813)))} [2019-02-27 13:29:11,053 WARN L228 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:29:11,053 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:29:11,053 WARN L230 ngHoareTripleChecker]: Post: {155#false} [2019-02-27 13:29:11,054 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:29:11,054 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:29:11,055 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:29:11,196 WARN L270 ngHoareTripleChecker]: Pre: {154#(and (forall ((v_idx_813 Int)) (or (<= 0 (select |#memory_int| v_idx_813)) (< v_idx_813 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_813))) (forall ((v_prenex_1 Int)) (or (< v_prenex_1 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_1) (<= 0 (* 2 (select |#memory_int| v_prenex_1))))))} [2019-02-27 13:29:11,197 WARN L274 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:29:11,197 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:29:11,208 WARN L276 ngHoareTripleChecker]: Post: {155#false} [2019-02-27 13:29:11,208 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:29:11,209 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:29:11,209 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], [#valid] -> [-inf_0] v_2096 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2095 [inf_0], [old(#memory_int)] -> [-inf_0] v_2098 [inf_0], [old(#valid)] -> [-inf_0] v_2097 [inf_0], }, Substate: {ints: {v_1345 = [0; inf]; v_1349 = [0; 0]; v_1347 = [0; 0]}, 18 vars top, relations: {b_112 - b_113 = [-1; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]; b_110 - b_113 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:29:11,210 WARN L628 ntHoareTripleChecker]: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) (assume #memory_int[main_p1] >= 0;) [2019-02-27 13:29:11,210 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:29:11,210 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:29:16,564 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:29:16,564 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:29:16,565 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:29:16,565 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:29:16,565 WARN L224 ngHoareTripleChecker]: Pre: {157#(forall ((v_idx_824 Int)) (or (< v_idx_824 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_824) (and (<= 0 (select |c_#memory_int| v_idx_824)) (<= 0 (* 2 (select |c_#memory_int| v_idx_824))))))} [2019-02-27 13:29:16,565 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-02-27 13:29:16,566 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) [2019-02-27 13:29:16,566 WARN L230 ngHoareTripleChecker]: Post: {158#false} [2019-02-27 13:29:16,566 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:29:16,566 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:29:16,567 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:29:16,689 WARN L270 ngHoareTripleChecker]: Pre: {157#(and (forall ((v_idx_824 Int)) (or (< v_idx_824 ULTIMATE.start_main_p1) (<= 0 (* 2 (select |#memory_int| v_idx_824))) (<= (+ ULTIMATE.start_main_p1 1) v_idx_824))) (forall ((v_prenex_2 Int)) (or (<= 0 (select |#memory_int| v_prenex_2)) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_2) (< v_prenex_2 ULTIMATE.start_main_p1))))} [2019-02-27 13:29:16,690 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-02-27 13:29:16,690 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) [2019-02-27 13:29:16,692 WARN L276 ngHoareTripleChecker]: Post: {158#false} [2019-02-27 13:29:16,693 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:29:16,693 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:29:16,694 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], [#valid] -> [-inf_0] v_2103 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2102 [inf_0], [old(#memory_int)] -> [-inf_0] v_2105 [inf_0], [old(#valid)] -> [-inf_0] v_2104 [inf_0], }, Substate: {ints: {v_1345 = [0; inf]; v_1349 = [0; 0]; v_1347 = [0; 0]}, 18 vars top, relations: {b_112 - b_113 = [-1; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]; b_110 - b_113 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:29:16,694 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) (#memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1];) [2019-02-27 13:29:16,694 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:29:16,694 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:29:20,471 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:29:20,472 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:29:20,472 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:29:20,473 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:29:20,473 WARN L224 ngHoareTripleChecker]: Pre: {161#(forall ((v_idx_835 Int)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_835) (< v_idx_835 c_ULTIMATE.start_main_p1) (and (<= 0 (* 2 (select |c_#memory_int| v_idx_835))) (<= 0 (select |c_#memory_int| v_idx_835)))))} [2019-02-27 13:29:20,473 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:29:20,473 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:29:20,474 WARN L230 ngHoareTripleChecker]: Post: {162#false} [2019-02-27 13:29:20,474 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:29:20,474 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:29:20,475 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:29:20,532 WARN L270 ngHoareTripleChecker]: Pre: {161#(and (forall ((v_idx_835 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_835) (<= 0 (* 2 (select |#memory_int| v_idx_835))) (< v_idx_835 ULTIMATE.start_main_p1))) (forall ((v_prenex_3 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_prenex_3) (<= 0 (select |#memory_int| v_prenex_3)) (< v_prenex_3 ULTIMATE.start_main_p1))))} [2019-02-27 13:29:20,532 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:29:20,533 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:29:20,534 WARN L276 ngHoareTripleChecker]: Post: {162#false} [2019-02-27 13:29:20,534 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:29:20,535 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:29:20,536 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], [#valid] -> [-inf_0] v_2110 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2109 [inf_0], [old(#memory_int)] -> [-inf_0] v_2112 [inf_0], [old(#valid)] -> [-inf_0] v_2111 [inf_0], }, Substate: {ints: {v_1345 = [0; inf]; v_1349 = [0; 0]; v_1347 = [0; 0]}, 18 vars top, relations: {b_112 - b_113 = [-1; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]; b_110 - b_113 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:29:20,536 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) (#memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1];) [2019-02-27 13:29:20,536 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:29:20,536 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:29:34,747 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:29:34,747 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:29:34,748 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:29:34,748 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:29:34,748 WARN L224 ngHoareTripleChecker]: Pre: {163#(forall ((v_idx_866 Int)) (or (< v_idx_866 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_866) (and (<= 0 (select |c_#memory_int| v_idx_866)) (<= 0 (* 2 (select |c_#memory_int| v_idx_866))))))} [2019-02-27 13:29:34,748 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:29:34,748 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:29:34,749 WARN L230 ngHoareTripleChecker]: Post: {164#(forall ((v_idx_874 Int)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_874) (< v_idx_874 c_ULTIMATE.start_main_p1) (and (<= 0 (select |c_#memory_int| v_idx_874)) (<= 0 (* 2 (select |c_#memory_int| v_idx_874))))))} [2019-02-27 13:29:34,749 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:29:34,749 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:29:34,749 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:29:34,777 WARN L270 ngHoareTripleChecker]: Pre: {163#(and (forall ((v_prenex_4 Int)) (or (< v_prenex_4 ULTIMATE.start_main_p1) (<= 0 (select |#memory_int| v_prenex_4)) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_4))) (forall ((v_idx_866 Int)) (or (< v_idx_866 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_866) (<= 0 (* 2 (select |#memory_int| v_idx_866))))))} [2019-02-27 13:29:34,777 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:29:34,777 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:29:34,808 WARN L276 ngHoareTripleChecker]: Post: {164#(and (forall ((v_prenex_5 Int)) (or (< v_prenex_5 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_5) (<= 0 (* 2 (select |#memory_int| v_prenex_5))))) (forall ((v_idx_874 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_874) (< v_idx_874 ULTIMATE.start_main_p1) (<= 0 (select |#memory_int| v_idx_874)))))} [2019-02-27 13:29:34,809 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:29:34,809 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:29:34,810 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], [#valid] -> [-inf_0] v_2117 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2116 [inf_0], [old(#memory_int)] -> [-inf_0] v_2119 [inf_0], [old(#valid)] -> [-inf_0] v_2118 [inf_0], }, Substate: {ints: {v_1345 = [0; inf]; v_1349 = [0; 0]; v_1347 = [0; 0]}, 18 vars top, relations: {b_112 - b_113 = [-1; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]; b_110 - b_113 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:29:34,811 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) (#memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1];) [2019-02-27 13:29:34,811 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], }, Substate: {ints: {v_1347 = [0; 0]; v_1345 = [0; inf]; v_1349 = [0; 0]}, 11 vars top, relations: {b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_110 - b_113 = [-inf; -2]; b_111 - b_112 = [-inf; 0]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_110 - b_115 = [-inf; -3]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:29:34,811 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:29:39,085 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:29:39,085 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:29:39,086 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:29:39,086 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:29:39,086 WARN L224 ngHoareTripleChecker]: Pre: {167#(forall ((v_idx_884 Int)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_884) (< v_idx_884 c_ULTIMATE.start_main_p1) (and (<= 0 (* 2 (select |c_#memory_int| v_idx_884))) (<= 0 (select |c_#memory_int| v_idx_884)))))} [2019-02-27 13:29:39,087 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:29:39,087 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:29:39,087 WARN L230 ngHoareTripleChecker]: Post: {168#false} [2019-02-27 13:29:39,088 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:29:39,088 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:29:39,089 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:29:39,105 WARN L270 ngHoareTripleChecker]: Pre: {167#(and (forall ((v_prenex_6 Int)) (or (<= 0 (* 2 (select |#memory_int| v_prenex_6))) (< v_prenex_6 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_6))) (forall ((v_idx_884 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_884) (<= 0 (select |#memory_int| v_idx_884)) (< v_idx_884 ULTIMATE.start_main_p1))))} [2019-02-27 13:29:39,105 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:29:39,106 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:29:39,108 WARN L276 ngHoareTripleChecker]: Post: {168#false} [2019-02-27 13:29:39,109 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:29:39,109 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:29:39,110 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], [#valid] -> [-inf_0] v_2138 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2137 [inf_0], [old(#memory_int)] -> [-inf_0] v_2140 [inf_0], [old(#valid)] -> [-inf_0] v_2139 [inf_0], }, Substate: {ints: {v_1345 = [0; inf]; v_1349 = [0; 0]; v_1347 = [0; 0]}, 18 vars top, relations: {b_112 - b_113 = [-1; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]; b_110 - b_113 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:29:39,110 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) (#memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1];) [2019-02-27 13:29:39,110 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:29:39,111 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:29:57,359 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:29:57,359 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: VALID [2019-02-27 13:29:57,360 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:29:57,360 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:29:57,360 WARN L224 ngHoareTripleChecker]: Pre: {169#(forall ((v_idx_915 Int)) (or (< v_idx_915 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_915) (and (<= 0 (* 2 (select |c_#memory_int| v_idx_915))) (<= 0 (select |c_#memory_int| v_idx_915)))))} [2019-02-27 13:29:57,361 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:29:57,361 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:29:57,361 WARN L230 ngHoareTripleChecker]: Post: {170#(forall ((v_idx_923 Int)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_923) (< v_idx_923 c_ULTIMATE.start_main_p1) (and (<= 0 (* 2 (select |c_#memory_int| v_idx_923))) (<= 0 (select |c_#memory_int| v_idx_923)))))} [2019-02-27 13:29:57,361 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:29:57,362 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:29:57,362 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:29:57,383 WARN L270 ngHoareTripleChecker]: Pre: {169#(and (forall ((v_idx_915 Int)) (or (< v_idx_915 ULTIMATE.start_main_p1) (<= 0 (select |#memory_int| v_idx_915)) (<= (+ ULTIMATE.start_main_p1 1) v_idx_915))) (forall ((v_prenex_7 Int)) (or (<= 0 (* 2 (select |#memory_int| v_prenex_7))) (< v_prenex_7 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_7))))} [2019-02-27 13:29:57,383 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:29:57,384 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:29:57,408 WARN L276 ngHoareTripleChecker]: Post: {170#(and (forall ((v_idx_923 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_923) (< v_idx_923 ULTIMATE.start_main_p1) (<= 0 (select |#memory_int| v_idx_923)))) (forall ((v_prenex_8 Int)) (or (< v_prenex_8 ULTIMATE.start_main_p1) (<= 0 (* 2 (select |#memory_int| v_prenex_8))) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_8))))} [2019-02-27 13:29:57,408 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:29:57,408 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:29:57,409 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], [#valid] -> [-inf_0] v_2145 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2144 [inf_0], [old(#memory_int)] -> [-inf_0] v_2147 [inf_0], [old(#valid)] -> [-inf_0] v_2146 [inf_0], }, Substate: {ints: {v_1345 = [0; inf]; v_1349 = [0; 0]; v_1347 = [0; 0]}, 18 vars top, relations: {b_112 - b_113 = [-1; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]; b_110 - b_113 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:29:57,409 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) (#memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1];) [2019-02-27 13:29:57,410 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], }, Substate: {ints: {v_1347 = [0; 0]; v_1345 = [0; inf]; v_1349 = [0; 0]}, 11 vars top, relations: {b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_110 - b_113 = [-inf; -2]; b_111 - b_112 = [-inf; 0]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_110 - b_115 = [-inf; -3]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:29:57,410 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:30:00,241 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:30:00,242 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:30:00,242 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:30:00,242 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:30:00,242 WARN L224 ngHoareTripleChecker]: Pre: {171#(forall ((v_idx_933 Int)) (or (and (<= 0 (* 2 (select |c_#memory_int| v_idx_933))) (<= 0 (select |c_#memory_int| v_idx_933))) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_933) (< v_idx_933 c_ULTIMATE.start_main_p1)))} [2019-02-27 13:30:00,243 WARN L228 ngHoareTripleChecker]: Action: assume #memory_int[main_p2] <= 0; [2019-02-27 13:30:00,243 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) [2019-02-27 13:30:00,243 WARN L230 ngHoareTripleChecker]: Post: {172#false} [2019-02-27 13:30:00,243 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:30:00,243 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:30:00,244 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:30:00,262 WARN L270 ngHoareTripleChecker]: Pre: {171#(and (forall ((v_idx_933 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_933) (<= 0 (* 2 (select |#memory_int| v_idx_933))) (< v_idx_933 ULTIMATE.start_main_p1))) (forall ((v_prenex_9 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_prenex_9) (< v_prenex_9 ULTIMATE.start_main_p1) (<= 0 (select |#memory_int| v_prenex_9)))))} [2019-02-27 13:30:00,263 WARN L274 ngHoareTripleChecker]: Action: assume #memory_int[main_p2] <= 0; [2019-02-27 13:30:00,263 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) [2019-02-27 13:30:00,264 WARN L276 ngHoareTripleChecker]: Post: {172#false} [2019-02-27 13:30:00,264 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:30:00,265 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:30:00,266 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], [#valid] -> [-inf_0] v_2166 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2165 [inf_0], [old(#memory_int)] -> [-inf_0] v_2168 [inf_0], [old(#valid)] -> [-inf_0] v_2167 [inf_0], }, Substate: {ints: {v_1345 = [0; inf]; v_1349 = [0; 0]; v_1347 = [0; 0]}, 18 vars top, relations: {b_112 - b_113 = [-1; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]; b_110 - b_113 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:30:00,266 WARN L628 ntHoareTripleChecker]: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) (assume #memory_int[main_p2] <= 0;) [2019-02-27 13:30:00,267 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:30:00,267 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:30:20,864 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:30:20,864 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:30:20,865 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:30:20,865 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:30:20,865 WARN L224 ngHoareTripleChecker]: Pre: {178#true} [2019-02-27 13:30:20,865 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-02-27 13:30:20,865 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) [2019-02-27 13:30:20,865 WARN L230 ngHoareTripleChecker]: Post: {179#(forall ((v_idx_988 Int)) (or (and (<= 0 (select |c_#memory_int| v_idx_988)) (<= 0 (* 2 (select |c_#memory_int| v_idx_988)))) (< v_idx_988 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_988)))} [2019-02-27 13:30:20,866 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:30:20,866 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:30:20,866 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:30:20,867 WARN L270 ngHoareTripleChecker]: Pre: {178#true} [2019-02-27 13:30:20,867 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-02-27 13:30:20,867 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) [2019-02-27 13:30:20,881 WARN L276 ngHoareTripleChecker]: Post: {179#(and (forall ((v_prenex_10 Int)) (or (< v_prenex_10 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_10) (<= 0 (select |#memory_int| v_prenex_10)))) (forall ((v_idx_988 Int)) (or (< v_idx_988 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_988) (<= 0 (* 2 (select |#memory_int| v_idx_988))))))} [2019-02-27 13:30:20,882 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:30:20,882 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:30:20,883 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2190 [inf_0], [#valid] -> [-inf_0] v_2188 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2187 [inf_0], [old(#memory_int)] -> [-inf_0] v_2191 [inf_0], [old(#valid)] -> [-inf_0] v_2189 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:30:20,883 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) (#memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1];) [2019-02-27 13:30:20,884 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], }, Substate: {ints: {v_1347 = [0; 0]; v_1345 = [0; inf]; v_1349 = [0; 0]}, 11 vars top, relations: {b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_110 - b_113 = [-inf; -2]; b_111 - b_112 = [-inf; 0]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_110 - b_115 = [-inf; -3]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:30:20,884 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:30:31,383 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:30:31,384 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:30:31,387 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:30:31,387 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:30:31,387 WARN L224 ngHoareTripleChecker]: Pre: {180#true} [2019-02-27 13:30:31,387 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:30:31,388 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:30:31,388 WARN L230 ngHoareTripleChecker]: Post: {181#(forall ((v_idx_1020 Int)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_1020) (and (<= 0 (select |c_#memory_int| v_idx_1020)) (<= 0 (* 2 (select |c_#memory_int| v_idx_1020)))) (< v_idx_1020 c_ULTIMATE.start_main_p1)))} [2019-02-27 13:30:31,388 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:30:31,389 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:30:31,389 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:30:31,391 WARN L270 ngHoareTripleChecker]: Pre: {180#true} [2019-02-27 13:30:31,391 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:30:31,391 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:30:31,411 WARN L276 ngHoareTripleChecker]: Post: {181#(and (forall ((v_idx_1020 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_1020) (< v_idx_1020 ULTIMATE.start_main_p1) (<= 0 (* 2 (select |#memory_int| v_idx_1020))))) (forall ((v_prenex_11 Int)) (or (<= 0 (select |#memory_int| v_prenex_11)) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_11) (< v_prenex_11 ULTIMATE.start_main_p1))))} [2019-02-27 13:30:31,411 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:30:31,411 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:30:31,412 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2212 [inf_0], [#valid] -> [-inf_0] v_2210 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2209 [inf_0], [old(#memory_int)] -> [-inf_0] v_2213 [inf_0], [old(#valid)] -> [-inf_0] v_2211 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:30:31,412 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) (#memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1];) [2019-02-27 13:30:31,412 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], }, Substate: {ints: {v_1347 = [0; 0]; v_1345 = [0; inf]; v_1349 = [0; 0]}, 11 vars top, relations: {b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_110 - b_113 = [-inf; -2]; b_111 - b_112 = [-inf; 0]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_110 - b_115 = [-inf; -3]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:30:31,412 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:30:42,932 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:30:42,932 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:30:42,933 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:30:42,933 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:30:42,933 WARN L224 ngHoareTripleChecker]: Pre: {185#(forall ((v_idx_1062 Int)) (or (< v_idx_1062 c_ULTIMATE.start_main_p1) (and (<= 0 (* 2 (select |c_#memory_int| v_idx_1062))) (<= 0 (select |c_#memory_int| v_idx_1062))) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_1062)))} [2019-02-27 13:30:42,933 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p3] >= 0); [2019-02-27 13:30:42,934 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) [2019-02-27 13:30:42,934 WARN L230 ngHoareTripleChecker]: Post: {186#false} [2019-02-27 13:30:42,934 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:30:42,935 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:30:42,935 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:30:42,970 WARN L270 ngHoareTripleChecker]: Pre: {185#(and (forall ((v_prenex_12 Int)) (or (<= 0 (* 2 (select |#memory_int| v_prenex_12))) (< v_prenex_12 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_12))) (forall ((v_idx_1062 Int)) (or (<= 0 (select |#memory_int| v_idx_1062)) (< v_idx_1062 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_1062))))} [2019-02-27 13:30:42,970 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p3] >= 0); [2019-02-27 13:30:42,971 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) [2019-02-27 13:30:42,973 WARN L276 ngHoareTripleChecker]: Post: {186#false} [2019-02-27 13:30:42,974 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:30:42,974 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:30:42,976 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], [#valid] -> [-inf_0] v_2254 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2253 [inf_0], [old(#memory_int)] -> [-inf_0] v_2256 [inf_0], [old(#valid)] -> [-inf_0] v_2255 [inf_0], }, Substate: {ints: {v_1345 = [0; inf]; v_1349 = [0; 0]; v_1347 = [0; 0]}, 18 vars top, relations: {b_112 - b_113 = [-1; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]; b_110 - b_113 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:30:42,976 WARN L628 ntHoareTripleChecker]: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) (assume !(#memory_int[main_p3] >= 0);) [2019-02-27 13:30:42,976 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:30:42,976 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:30:45,734 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:30:45,734 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:30:45,735 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:30:45,735 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:30:45,736 WARN L224 ngHoareTripleChecker]: Pre: {188#(forall ((v_idx_1073 Int)) (or (and (<= 0 (select |c_#memory_int| v_idx_1073)) (<= 0 (* 2 (select |c_#memory_int| v_idx_1073)))) (< v_idx_1073 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_1073)))} [2019-02-27 13:30:45,736 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-02-27 13:30:45,736 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-02-27 13:30:45,736 WARN L230 ngHoareTripleChecker]: Post: {189#false} [2019-02-27 13:30:45,737 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:30:45,737 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:30:45,738 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:30:45,754 WARN L270 ngHoareTripleChecker]: Pre: {188#(and (forall ((v_idx_1073 Int)) (or (< v_idx_1073 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_1073) (<= 0 (select |#memory_int| v_idx_1073)))) (forall ((v_prenex_13 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_prenex_13) (<= 0 (* 2 (select |#memory_int| v_prenex_13))) (< v_prenex_13 ULTIMATE.start_main_p1))))} [2019-02-27 13:30:45,754 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-02-27 13:30:45,754 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-02-27 13:30:45,756 WARN L276 ngHoareTripleChecker]: Post: {189#false} [2019-02-27 13:30:45,756 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:30:45,756 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:30:45,757 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1344 [b_110] v_1345 [b_111] v_1346 [b_112] v_1347 [b_113] v_1348 [b_114] v_1349 [b_115] v_1350 [inf_0], [#valid] -> [-inf_0] v_2261 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2260 [inf_0], [old(#memory_int)] -> [-inf_0] v_2263 [inf_0], [old(#valid)] -> [-inf_0] v_2262 [inf_0], }, Substate: {ints: {v_1345 = [0; inf]; v_1349 = [0; 0]; v_1347 = [0; 0]}, 18 vars top, relations: {b_112 - b_113 = [-1; -1]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]; b_110 - b_113 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_115 = [-inf; -2]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; b_111 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; b_110 - b_112 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; b_112 - b_114 = [-inf; -1]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; v_1345 + v_1349 = [0; inf]; v_1345 - v_1349 = [0; inf]; v_1347 + v_1349 = [0; 0]; v_1347 - v_1349 = [0; 0]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_110 - b_111 = [-1; -1]; v_1345 + v_1347 = [0; inf]; v_1345 - v_1347 = [0; inf]; ULTIMATE.start_main_p1 - b_110 = [0; 0]}, }}} [2019-02-27 13:30:45,757 WARN L628 ntHoareTripleChecker]: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) (assume !(#memory_int[main_p2] <= 0);) [2019-02-27 13:30:45,758 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:30:45,758 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:30:45,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:30:45,760 INFO L93 Difference]: Finished difference Result 11 states and 19 transitions. [2019-02-27 13:30:45,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-02-27 13:30:45,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-02-27 13:30:45,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-27 13:30:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-27 13:30:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2019-02-27 13:30:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-27 13:30:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2019-02-27 13:30:45,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 14 transitions. [2019-02-27 13:30:45,782 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:30:45,783 INFO L225 Difference]: With dead ends: 11 [2019-02-27 13:30:45,784 INFO L226 Difference]: Without dead ends: 10 [2019-02-27 13:30:45,784 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-27 13:30:45,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-02-27 13:30:45,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-02-27 13:30:45,801 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-27 13:30:45,801 INFO L82 GeneralOperation]: Start isEquivalent. First operand 10 states. Second operand 10 states. [2019-02-27 13:30:45,802 INFO L74 IsIncluded]: Start isIncluded. First operand 10 states. Second operand 10 states. [2019-02-27 13:30:45,802 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 10 states. [2019-02-27 13:30:45,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:30:45,804 INFO L93 Difference]: Finished difference Result 10 states and 18 transitions. [2019-02-27 13:30:45,805 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2019-02-27 13:30:45,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:30:45,805 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:30:45,805 INFO L74 IsIncluded]: Start isIncluded. First operand 10 states. Second operand 10 states. [2019-02-27 13:30:45,805 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 10 states. [2019-02-27 13:30:45,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:30:45,807 INFO L93 Difference]: Finished difference Result 10 states and 18 transitions. [2019-02-27 13:30:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2019-02-27 13:30:45,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:30:45,808 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:30:45,808 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-27 13:30:45,808 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-27 13:30:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-02-27 13:30:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 18 transitions. [2019-02-27 13:30:45,809 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 18 transitions. Word has length 3 [2019-02-27 13:30:45,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-27 13:30:45,810 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 18 transitions. [2019-02-27 13:30:45,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-02-27 13:30:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2019-02-27 13:30:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-02-27 13:30:45,810 INFO L394 BasicCegarLoop]: Found error trace [2019-02-27 13:30:45,810 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-02-27 13:30:45,811 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT]=== [2019-02-27 13:30:45,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-27 13:30:45,811 INFO L82 PathProgramCache]: Analyzing trace with hash 30116, now seen corresponding path program 1 times [2019-02-27 13:30:45,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-27 13:30:45,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:30:45,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-27 13:30:45,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:30:45,813 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-27 13:30:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-27 13:30:45,911 INFO L273 TraceCheckUtils]: 0: Hoare triple {226#true} havoc main_p1, main_p2, main_p3;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;assume main_p1 < main_p2;assume main_p2 < main_p3;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0]; {228#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p2)) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p2 (+ (select |#memory_int| ULTIMATE.start_main_p2) (- 1))) ULTIMATE.start_main_p1)))} is VALID [2019-02-27 13:30:45,912 INFO L273 TraceCheckUtils]: 1: Hoare triple {228#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p2)) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p2 (+ (select |#memory_int| ULTIMATE.start_main_p2) (- 1))) ULTIMATE.start_main_p1)))} #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; {229#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-02-27 13:30:45,913 INFO L273 TraceCheckUtils]: 2: Hoare triple {229#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {227#false} is VALID [2019-02-27 13:30:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-27 13:30:45,914 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-27 13:30:45,914 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-27 13:30:45,914 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-02-27 13:30:45,914 INFO L207 CegarAbsIntRunner]: [0], [10], [15] [2019-02-27 13:30:45,916 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-02-27 13:30:45,916 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-27 13:31:32,051 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-02-27 13:31:32,052 INFO L272 AbstractInterpreter]: Visited 3 different actions 13 times. Merged at 1 different actions 5 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-27 13:31:32,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-27 13:31:32,052 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-02-27 13:31:55,207 INFO L227 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 64.29% of their original sizes. [2019-02-27 13:31:56,360 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-02-27 13:32:04,583 INFO L420 sIntCurrentIteration]: We unified 2 AI predicates to 2 [2019-02-27 13:32:16,079 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-02-27 13:32:16,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-02-27 13:32:16,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2019-02-27 13:32:16,079 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-27 13:32:16,079 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-02-27 13:32:16,080 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-27 13:32:16,080 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2019-02-27 13:32:16,119 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:32:16,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-02-27 13:32:16,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-02-27 13:32:16,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-02-27 13:32:16,120 INFO L87 Difference]: Start difference. First operand 10 states and 18 transitions. Second operand 4 states. [2019-02-27 13:32:25,081 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:32:25,082 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:32:25,082 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:32:25,082 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:32:25,082 WARN L224 ngHoareTripleChecker]: Pre: {261#(forall ((v_idx_1912 Int) (v_idx_1910 Int)) (and (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (or (and (<= (select |c_#memory_int| v_idx_1912) 0) (<= (* 2 (select |c_#memory_int| v_idx_1912)) 0)) (< v_idx_1912 c_ULTIMATE.start_main_p2) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_1912)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (< v_idx_1910 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_1910) (= (select |c_#memory_int| v_idx_1910) 0))))} [2019-02-27 13:32:25,082 WARN L228 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:32:25,083 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:32:25,083 WARN L230 ngHoareTripleChecker]: Post: {262#false} [2019-02-27 13:32:25,083 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:32:25,083 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:32:25,083 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:32:25,109 WARN L270 ngHoareTripleChecker]: Pre: {261#(and (forall ((v_idx_1912 Int)) (or (< v_idx_1912 ULTIMATE.start_main_p2) (<= (* 2 (select |#memory_int| v_idx_1912)) 0) (<= (+ ULTIMATE.start_main_p2 1) v_idx_1912))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (forall ((v_prenex_14 Int)) (or (< v_prenex_14 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_prenex_14) (<= (select |#memory_int| v_prenex_14) 0))) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (forall ((v_idx_1910 Int)) (or (< v_idx_1910 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_1910) (= (select |#memory_int| v_idx_1910) 0))))} [2019-02-27 13:32:25,110 WARN L274 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:32:25,110 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:32:25,111 WARN L276 ngHoareTripleChecker]: Post: {262#false} [2019-02-27 13:32:25,112 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:32:25,112 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:32:25,113 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], [#valid] -> [-inf_0] v_2057 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2056 [inf_0], [old(#memory_int)] -> [-inf_0] v_2059 [inf_0], [old(#valid)] -> [-inf_0] v_2058 [inf_0], }, Substate: {ints: {v_1210 = [0; 0]; v_1212 = [-inf; 0]; v_1214 = [0; 0]}, 18 vars top, relations: {ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_110 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_112 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:25,113 WARN L628 ntHoareTripleChecker]: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) (assume #memory_int[main_p1] >= 0;) [2019-02-27 13:32:25,114 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:32:25,114 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:32:25,523 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:32:25,523 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:32:25,523 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:32:25,523 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:32:25,523 WARN L224 ngHoareTripleChecker]: Pre: {264#(forall ((v_idx_1923 Int) (v_idx_1921 Int)) (and (or (= (select |c_#memory_int| v_idx_1921) 0) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_1921) (< v_idx_1921 c_ULTIMATE.start_main_p1)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (or (< v_idx_1923 c_ULTIMATE.start_main_p2) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_1923) (and (<= (select |c_#memory_int| v_idx_1923) 0) (<= (* 2 (select |c_#memory_int| v_idx_1923)) 0))) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2)))} [2019-02-27 13:32:25,524 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-02-27 13:32:25,524 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) [2019-02-27 13:32:25,524 WARN L230 ngHoareTripleChecker]: Post: {265#false} [2019-02-27 13:32:25,524 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:32:25,524 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:32:25,525 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:32:25,561 WARN L270 ngHoareTripleChecker]: Pre: {264#(and (forall ((v_prenex_15 Int)) (or (<= (select |#memory_int| v_prenex_15) 0) (< v_prenex_15 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_prenex_15))) (forall ((v_idx_1923 Int)) (or (< v_idx_1923 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_idx_1923) (<= (* 2 (select |#memory_int| v_idx_1923)) 0))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (forall ((v_idx_1921 Int)) (or (= (select |#memory_int| v_idx_1921) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_1921) (< v_idx_1921 ULTIMATE.start_main_p1))) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2))} [2019-02-27 13:32:25,561 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-02-27 13:32:25,561 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) [2019-02-27 13:32:25,563 WARN L276 ngHoareTripleChecker]: Post: {265#false} [2019-02-27 13:32:25,563 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:32:25,563 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:32:25,564 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], [#valid] -> [-inf_0] v_2064 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2063 [inf_0], [old(#memory_int)] -> [-inf_0] v_2066 [inf_0], [old(#valid)] -> [-inf_0] v_2065 [inf_0], }, Substate: {ints: {v_1210 = [0; 0]; v_1212 = [-inf; 0]; v_1214 = [0; 0]}, 18 vars top, relations: {ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_110 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_112 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:25,564 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) (#memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1];) [2019-02-27 13:32:25,564 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:32:25,564 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:32:44,160 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:32:44,160 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:32:44,160 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:32:44,160 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:32:44,161 WARN L224 ngHoareTripleChecker]: Pre: {272#(forall ((v_idx_2026 Int) (v_idx_2024 Int)) (and (or (= (select |c_#memory_int| v_idx_2024) 0) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2024) (< v_idx_2024 c_ULTIMATE.start_main_p1)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (or (and (<= (select |c_#memory_int| v_idx_2026) 0) (<= (* 2 (select |c_#memory_int| v_idx_2026)) 0)) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2026) (< v_idx_2026 c_ULTIMATE.start_main_p2)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2)))} [2019-02-27 13:32:44,161 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:32:44,161 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:32:44,161 WARN L230 ngHoareTripleChecker]: Post: {273#false} [2019-02-27 13:32:44,161 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:32:44,162 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:32:44,162 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:32:44,182 WARN L270 ngHoareTripleChecker]: Pre: {272#(and (forall ((v_idx_2026 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_idx_2026) (< v_idx_2026 ULTIMATE.start_main_p2) (<= (* 2 (select |#memory_int| v_idx_2026)) 0))) (forall ((v_idx_2024 Int)) (or (= (select |#memory_int| v_idx_2024) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2024) (< v_idx_2024 ULTIMATE.start_main_p1))) (forall ((v_prenex_16 Int)) (or (< v_prenex_16 ULTIMATE.start_main_p2) (<= (select |#memory_int| v_prenex_16) 0) (<= (+ ULTIMATE.start_main_p2 1) v_prenex_16))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2))} [2019-02-27 13:32:44,182 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:32:44,182 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:32:44,184 WARN L276 ngHoareTripleChecker]: Post: {273#false} [2019-02-27 13:32:44,184 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:32:44,184 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:32:44,185 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], [#valid] -> [-inf_0] v_2125 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2124 [inf_0], [old(#memory_int)] -> [-inf_0] v_2127 [inf_0], [old(#valid)] -> [-inf_0] v_2126 [inf_0], }, Substate: {ints: {v_1210 = [0; 0]; v_1212 = [-inf; 0]; v_1214 = [0; 0]}, 18 vars top, relations: {ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_110 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_112 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:44,185 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) (#memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1];) [2019-02-27 13:32:44,185 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:32:44,185 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:32:46,105 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:32:46,105 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:32:46,105 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:32:46,106 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:32:46,106 WARN L224 ngHoareTripleChecker]: Pre: {278#(forall ((v_idx_2069 Int) (v_idx_2067 Int)) (and (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2067) (= 0 (select |c_#memory_int| v_idx_2067)) (< v_idx_2067 c_ULTIMATE.start_main_p1)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (or (and (<= (select |c_#memory_int| v_idx_2069) 0) (<= (* 2 (select |c_#memory_int| v_idx_2069)) 0)) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2069) (< v_idx_2069 c_ULTIMATE.start_main_p2)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2)))} [2019-02-27 13:32:46,106 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:32:46,106 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:32:46,106 WARN L230 ngHoareTripleChecker]: Post: {279#false} [2019-02-27 13:32:46,107 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:32:46,107 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:32:46,107 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:32:46,137 WARN L270 ngHoareTripleChecker]: Pre: {278#(and (forall ((v_idx_2069 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_idx_2069) (< v_idx_2069 ULTIMATE.start_main_p2) (<= (* 2 (select |#memory_int| v_idx_2069)) 0))) (forall ((v_prenex_17 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_prenex_17) (< v_prenex_17 ULTIMATE.start_main_p2) (<= (select |#memory_int| v_prenex_17) 0))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (forall ((v_idx_2067 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_2067) (= 0 (select |#memory_int| v_idx_2067)) (< v_idx_2067 ULTIMATE.start_main_p1))))} [2019-02-27 13:32:46,138 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:32:46,138 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:32:46,139 WARN L276 ngHoareTripleChecker]: Post: {279#false} [2019-02-27 13:32:46,139 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:32:46,140 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:32:46,140 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], [#valid] -> [-inf_0] v_2148 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2147 [inf_0], [old(#memory_int)] -> [-inf_0] v_2150 [inf_0], [old(#valid)] -> [-inf_0] v_2149 [inf_0], }, Substate: {ints: {v_1210 = [0; 0]; v_1212 = [-inf; 0]; v_1214 = [0; 0]}, 18 vars top, relations: {ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_110 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_112 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:46,140 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) (#memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1];) [2019-02-27 13:32:46,141 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:32:46,141 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:32:47,601 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:32:47,601 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:32:47,601 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:32:47,602 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:32:47,602 WARN L224 ngHoareTripleChecker]: Pre: {280#(forall ((v_idx_2100 Int) (v_idx_2098 Int)) (and (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2098) (< v_idx_2098 c_ULTIMATE.start_main_p1) (= (select |c_#memory_int| v_idx_2098) 0)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (and (<= (select |c_#memory_int| v_idx_2100) 0) (<= (* 2 (select |c_#memory_int| v_idx_2100)) 0)) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2100) (< v_idx_2100 c_ULTIMATE.start_main_p2))))} [2019-02-27 13:32:47,602 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:32:47,602 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:32:47,602 WARN L230 ngHoareTripleChecker]: Post: {281#(forall ((v_idx_2108 Int) (v_idx_2106 Int)) (and (or (and (<= (* 2 (select |c_#memory_int| v_idx_2108)) 0) (<= (select |c_#memory_int| v_idx_2108) 0)) (< v_idx_2108 c_ULTIMATE.start_main_p2) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2108)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2106) (< v_idx_2106 c_ULTIMATE.start_main_p1) (= 0 (select |c_#memory_int| v_idx_2106))) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2)))} [2019-02-27 13:32:47,602 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:32:47,603 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:32:47,603 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:32:47,655 WARN L270 ngHoareTripleChecker]: Pre: {280#(and (forall ((v_idx_2098 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_2098) (< v_idx_2098 ULTIMATE.start_main_p1) (= (select |#memory_int| v_idx_2098) 0))) (forall ((v_idx_2100 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_idx_2100) (<= (select |#memory_int| v_idx_2100) 0) (< v_idx_2100 ULTIMATE.start_main_p2))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (forall ((v_prenex_18 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_prenex_18) (<= (* 2 (select |#memory_int| v_prenex_18)) 0) (< v_prenex_18 ULTIMATE.start_main_p2))))} [2019-02-27 13:32:47,656 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:32:47,656 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:32:47,680 WARN L276 ngHoareTripleChecker]: Post: {281#(and (forall ((v_idx_2108 Int)) (or (<= (* 2 (select |#memory_int| v_idx_2108)) 0) (< v_idx_2108 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_idx_2108))) (forall ((v_idx_2106 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_2106) (< v_idx_2106 ULTIMATE.start_main_p1) (= 0 (select |#memory_int| v_idx_2106)))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (forall ((v_prenex_19 Int)) (or (<= (select |#memory_int| v_prenex_19) 0) (< v_prenex_19 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_prenex_19))))} [2019-02-27 13:32:47,681 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:32:47,681 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:32:47,681 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], [#valid] -> [-inf_0] v_2155 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2154 [inf_0], [old(#memory_int)] -> [-inf_0] v_2157 [inf_0], [old(#valid)] -> [-inf_0] v_2156 [inf_0], }, Substate: {ints: {v_1210 = [0; 0]; v_1212 = [-inf; 0]; v_1214 = [0; 0]}, 18 vars top, relations: {ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_110 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_112 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:47,681 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) (#memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1];) [2019-02-27 13:32:47,682 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 12 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:47,682 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:32:56,828 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:32:56,829 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:32:56,829 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:32:56,829 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:32:56,830 WARN L224 ngHoareTripleChecker]: Pre: {282#(forall ((v_idx_2138 Int) (v_idx_2136 Int)) (and (or (= (select |c_#memory_int| v_idx_2136) 0) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2136) (< v_idx_2136 c_ULTIMATE.start_main_p1)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (< v_idx_2138 c_ULTIMATE.start_main_p2) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2138) (and (<= (select |c_#memory_int| v_idx_2138) 0) (<= (* 2 (select |c_#memory_int| v_idx_2138)) 0)))))} [2019-02-27 13:32:56,830 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:32:56,830 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:32:56,830 WARN L230 ngHoareTripleChecker]: Post: {283#(forall ((v_idx_2144 Int)) (or (= (select |c_#memory_int| v_idx_2144) 0) (< v_idx_2144 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2144)))} [2019-02-27 13:32:56,830 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:32:56,831 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:32:56,831 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:32:56,854 WARN L270 ngHoareTripleChecker]: Pre: {282#(and (forall ((v_idx_2138 Int)) (or (< v_idx_2138 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_idx_2138) (<= (* 2 (select |#memory_int| v_idx_2138)) 0))) (forall ((v_idx_2136 Int)) (or (= (select |#memory_int| v_idx_2136) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2136) (< v_idx_2136 ULTIMATE.start_main_p1))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (forall ((v_prenex_20 Int)) (or (<= (select |#memory_int| v_prenex_20) 0) (< v_prenex_20 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_prenex_20))) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2))} [2019-02-27 13:32:56,854 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-02-27 13:32:56,855 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-02-27 13:32:56,862 WARN L276 ngHoareTripleChecker]: Post: {283#(forall ((v_idx_2144 Int)) (or (= (select |#memory_int| v_idx_2144) 0) (< v_idx_2144 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2144)))} [2019-02-27 13:32:56,862 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:32:56,862 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:32:56,863 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], [#valid] -> [-inf_0] v_2176 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2175 [inf_0], [old(#memory_int)] -> [-inf_0] v_2178 [inf_0], [old(#valid)] -> [-inf_0] v_2177 [inf_0], }, Substate: {ints: {v_1210 = [0; 0]; v_1212 = [-inf; 0]; v_1214 = [0; 0]}, 18 vars top, relations: {ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_110 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_112 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:56,864 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) (#memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1];) [2019-02-27 13:32:56,864 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 11 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:56,864 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:32:57,128 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:32:57,128 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:32:57,128 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:32:57,129 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:32:57,129 WARN L224 ngHoareTripleChecker]: Pre: {284#(forall ((v_idx_2156 Int) (v_idx_2154 Int)) (and (or (< v_idx_2154 c_ULTIMATE.start_main_p1) (= (select |c_#memory_int| v_idx_2154) 0) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2154)) (or (< v_idx_2156 c_ULTIMATE.start_main_p2) (and (<= (* 2 (select |c_#memory_int| v_idx_2156)) 0) (<= (select |c_#memory_int| v_idx_2156) 0)) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2156)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2)))} [2019-02-27 13:32:57,129 WARN L228 ngHoareTripleChecker]: Action: assume #memory_int[main_p2] <= 0; [2019-02-27 13:32:57,129 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) [2019-02-27 13:32:57,129 WARN L230 ngHoareTripleChecker]: Post: {285#false} [2019-02-27 13:32:57,129 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:32:57,130 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:32:57,130 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:32:57,155 WARN L270 ngHoareTripleChecker]: Pre: {284#(and (forall ((v_idx_2156 Int)) (or (< v_idx_2156 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_idx_2156) (<= (select |#memory_int| v_idx_2156) 0))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (forall ((v_idx_2154 Int)) (or (< v_idx_2154 ULTIMATE.start_main_p1) (= (select |#memory_int| v_idx_2154) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2154))) (forall ((v_prenex_21 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_prenex_21) (< v_prenex_21 ULTIMATE.start_main_p2) (<= (* 2 (select |#memory_int| v_prenex_21)) 0))))} [2019-02-27 13:32:57,156 WARN L274 ngHoareTripleChecker]: Action: assume #memory_int[main_p2] <= 0; [2019-02-27 13:32:57,156 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) [2019-02-27 13:32:57,157 WARN L276 ngHoareTripleChecker]: Post: {285#false} [2019-02-27 13:32:57,157 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:32:57,158 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:32:57,159 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], [#valid] -> [-inf_0] v_2197 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2196 [inf_0], [old(#memory_int)] -> [-inf_0] v_2199 [inf_0], [old(#valid)] -> [-inf_0] v_2198 [inf_0], }, Substate: {ints: {v_1210 = [0; 0]; v_1212 = [-inf; 0]; v_1214 = [0; 0]}, 18 vars top, relations: {ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_110 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_112 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:57,159 WARN L628 ntHoareTripleChecker]: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) (assume #memory_int[main_p2] <= 0;) [2019-02-27 13:32:57,159 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:32:57,159 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:32:58,266 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:32:58,267 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:32:58,267 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:32:58,267 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:32:58,268 WARN L224 ngHoareTripleChecker]: Pre: {287#true} [2019-02-27 13:32:58,268 WARN L228 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:32:58,268 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:32:58,268 WARN L230 ngHoareTripleChecker]: Post: {288#(forall ((v_idx_2189 Int) (v_idx_2187 Int)) (and (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (or (< v_idx_2187 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2187) (= (select |c_#memory_int| v_idx_2187) 0)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (< v_idx_2189 c_ULTIMATE.start_main_p2) (and (<= (select |c_#memory_int| v_idx_2189) 0) (<= (* 2 (select |c_#memory_int| v_idx_2189)) 0)) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2189))))} [2019-02-27 13:32:58,269 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:32:58,269 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:32:58,269 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:32:58,270 WARN L270 ngHoareTripleChecker]: Pre: {287#true} [2019-02-27 13:32:58,270 WARN L274 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:32:58,270 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:32:58,294 WARN L276 ngHoareTripleChecker]: Post: {288#(and (forall ((v_prenex_22 Int)) (or (<= (* 2 (select |#memory_int| v_prenex_22)) 0) (<= (+ ULTIMATE.start_main_p2 1) v_prenex_22) (< v_prenex_22 ULTIMATE.start_main_p2))) (forall ((v_idx_2187 Int)) (or (< v_idx_2187 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2187) (= (select |#memory_int| v_idx_2187) 0))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (forall ((v_idx_2189 Int)) (or (<= (select |#memory_int| v_idx_2189) 0) (< v_idx_2189 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_idx_2189))) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2))} [2019-02-27 13:32:58,294 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:32:58,294 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:32:58,295 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2206 [inf_0], [#valid] -> [-inf_0] v_2204 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2203 [inf_0], [old(#memory_int)] -> [-inf_0] v_2207 [inf_0], [old(#valid)] -> [-inf_0] v_2205 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:32:58,295 WARN L628 ntHoareTripleChecker]: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) (assume #memory_int[main_p1] >= 0;) [2019-02-27 13:32:58,295 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 12 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:32:58,296 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:06,875 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:06,875 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:06,876 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:06,876 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:06,876 WARN L224 ngHoareTripleChecker]: Pre: {289#true} [2019-02-27 13:33:06,876 WARN L228 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:33:06,877 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:33:06,877 WARN L230 ngHoareTripleChecker]: Post: {290#(forall ((v_idx_2219 Int)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2219) (< v_idx_2219 c_ULTIMATE.start_main_p1) (= 0 (select |c_#memory_int| v_idx_2219))))} [2019-02-27 13:33:06,877 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:06,878 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:06,878 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:06,878 WARN L270 ngHoareTripleChecker]: Pre: {289#true} [2019-02-27 13:33:06,879 WARN L274 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:33:06,879 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:33:06,889 WARN L276 ngHoareTripleChecker]: Post: {290#(forall ((v_idx_2219 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_2219) (< v_idx_2219 ULTIMATE.start_main_p1) (= 0 (select |#memory_int| v_idx_2219))))} [2019-02-27 13:33:06,889 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:06,889 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:06,890 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2228 [inf_0], [#valid] -> [-inf_0] v_2226 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2225 [inf_0], [old(#memory_int)] -> [-inf_0] v_2229 [inf_0], [old(#valid)] -> [-inf_0] v_2227 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:33:06,890 WARN L628 ntHoareTripleChecker]: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) (assume #memory_int[main_p1] >= 0;) [2019-02-27 13:33:06,891 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 11 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:06,891 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:07,739 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:07,739 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:07,740 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:07,740 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:07,740 WARN L224 ngHoareTripleChecker]: Pre: {292#true} [2019-02-27 13:33:07,740 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:33:07,740 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:33:07,740 WARN L230 ngHoareTripleChecker]: Post: {293#(forall ((v_idx_2253 Int) (v_idx_2251 Int)) (and (or (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2253) (and (<= (select |c_#memory_int| v_idx_2253) 0) (<= (* 2 (select |c_#memory_int| v_idx_2253)) 0)) (< v_idx_2253 c_ULTIMATE.start_main_p2)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2251) (< v_idx_2251 c_ULTIMATE.start_main_p1) (= (select |c_#memory_int| v_idx_2251) 0))))} [2019-02-27 13:33:07,741 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:07,741 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:07,741 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:07,742 WARN L270 ngHoareTripleChecker]: Pre: {292#true} [2019-02-27 13:33:07,742 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:33:07,742 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:33:07,770 WARN L276 ngHoareTripleChecker]: Post: {293#(and (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (forall ((v_idx_2251 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_2251) (< v_idx_2251 ULTIMATE.start_main_p1) (= (select |#memory_int| v_idx_2251) 0))) (forall ((v_idx_2253 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_idx_2253) (<= (select |#memory_int| v_idx_2253) 0) (< v_idx_2253 ULTIMATE.start_main_p2))) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (forall ((v_prenex_23 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_prenex_23) (<= (* 2 (select |#memory_int| v_prenex_23)) 0) (< v_prenex_23 ULTIMATE.start_main_p2))))} [2019-02-27 13:33:07,770 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:07,771 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:07,771 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2250 [inf_0], [#valid] -> [-inf_0] v_2248 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2247 [inf_0], [old(#memory_int)] -> [-inf_0] v_2251 [inf_0], [old(#valid)] -> [-inf_0] v_2249 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:33:07,771 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) (#memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1];) [2019-02-27 13:33:07,772 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 12 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:07,772 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:14,641 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:14,641 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:14,642 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:14,642 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:14,642 WARN L224 ngHoareTripleChecker]: Pre: {294#true} [2019-02-27 13:33:14,642 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:33:14,643 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:33:14,643 WARN L230 ngHoareTripleChecker]: Post: {295#(forall ((v_idx_2283 Int)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2283) (< v_idx_2283 c_ULTIMATE.start_main_p1) (= (select |c_#memory_int| v_idx_2283) 0)))} [2019-02-27 13:33:14,643 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:14,643 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:14,644 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:14,645 WARN L270 ngHoareTripleChecker]: Pre: {294#true} [2019-02-27 13:33:14,645 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-02-27 13:33:14,645 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-02-27 13:33:14,655 WARN L276 ngHoareTripleChecker]: Post: {295#(forall ((v_idx_2283 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_2283) (< v_idx_2283 ULTIMATE.start_main_p1) (= (select |#memory_int| v_idx_2283) 0)))} [2019-02-27 13:33:14,655 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:14,655 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:14,656 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2272 [inf_0], [#valid] -> [-inf_0] v_2270 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2269 [inf_0], [old(#memory_int)] -> [-inf_0] v_2273 [inf_0], [old(#valid)] -> [-inf_0] v_2271 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:33:14,656 WARN L628 ntHoareTripleChecker]: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) (#memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1];) [2019-02-27 13:33:14,657 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 11 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:14,657 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:14,916 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:14,916 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:14,917 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:14,917 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:14,917 WARN L224 ngHoareTripleChecker]: Pre: {300#(forall ((v_idx_2295 Int) (v_idx_2293 Int)) (and (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2293) (= 0 (select |c_#memory_int| v_idx_2293)) (< v_idx_2293 c_ULTIMATE.start_main_p1)) (or (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2295) (< v_idx_2295 c_ULTIMATE.start_main_p2) (and (<= (select |c_#memory_int| v_idx_2295) 0) (<= (* 2 (select |c_#memory_int| v_idx_2295)) 0)))))} [2019-02-27 13:33:14,917 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p3] >= 0); [2019-02-27 13:33:14,917 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) [2019-02-27 13:33:14,917 WARN L230 ngHoareTripleChecker]: Post: {301#false} [2019-02-27 13:33:14,917 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:14,918 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:14,918 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:14,938 WARN L270 ngHoareTripleChecker]: Pre: {300#(and (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (forall ((v_prenex_24 Int)) (or (<= (select |#memory_int| v_prenex_24) 0) (< v_prenex_24 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_prenex_24))) (forall ((v_idx_2295 Int)) (or (<= (* 2 (select |#memory_int| v_idx_2295)) 0) (<= (+ ULTIMATE.start_main_p2 1) v_idx_2295) (< v_idx_2295 ULTIMATE.start_main_p2))) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (forall ((v_idx_2293 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_2293) (= 0 (select |#memory_int| v_idx_2293)) (< v_idx_2293 ULTIMATE.start_main_p1))))} [2019-02-27 13:33:14,938 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p3] >= 0); [2019-02-27 13:33:14,939 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) [2019-02-27 13:33:14,940 WARN L276 ngHoareTripleChecker]: Post: {301#false} [2019-02-27 13:33:14,940 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:14,940 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:14,941 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], [#valid] -> [-inf_0] v_2292 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2291 [inf_0], [old(#memory_int)] -> [-inf_0] v_2294 [inf_0], [old(#valid)] -> [-inf_0] v_2293 [inf_0], }, Substate: {ints: {v_1210 = [0; 0]; v_1212 = [-inf; 0]; v_1214 = [0; 0]}, 18 vars top, relations: {ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_112 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_110 - b_115 = [-inf; -3]; b_114 - b_115 = [-1; -1]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_112 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_112 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:14,941 WARN L628 ntHoareTripleChecker]: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) (assume !(#memory_int[main_p3] >= 0);) [2019-02-27 13:33:14,941 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {}, Substate: false}} [2019-02-27 13:33:14,942 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:16,078 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:16,078 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:16,079 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:16,079 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:16,079 WARN L224 ngHoareTripleChecker]: Pre: {303#true} [2019-02-27 13:33:16,079 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-02-27 13:33:16,080 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-02-27 13:33:16,080 WARN L230 ngHoareTripleChecker]: Post: {304#(forall ((v_idx_2328 Int) (v_idx_2326 Int)) (and (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (or (< v_idx_2328 c_ULTIMATE.start_main_p2) (and (<= (* 2 (select |c_#memory_int| v_idx_2328)) 0) (<= (select |c_#memory_int| v_idx_2328) 0)) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2328)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (< v_idx_2326 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2326) (= 0 (select |c_#memory_int| v_idx_2326)))))} [2019-02-27 13:33:16,080 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:16,080 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:16,081 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:16,082 WARN L270 ngHoareTripleChecker]: Pre: {303#true} [2019-02-27 13:33:16,082 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-02-27 13:33:16,082 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-02-27 13:33:16,112 WARN L276 ngHoareTripleChecker]: Post: {304#(and (forall ((v_idx_2328 Int)) (or (< v_idx_2328 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_idx_2328) (<= (select |#memory_int| v_idx_2328) 0))) (forall ((v_idx_2326 Int)) (or (< v_idx_2326 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2326) (= 0 (select |#memory_int| v_idx_2326)))) (forall ((v_prenex_25 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_prenex_25) (<= (* 2 (select |#memory_int| v_prenex_25)) 0) (< v_prenex_25 ULTIMATE.start_main_p2))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2))} [2019-02-27 13:33:16,112 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:16,113 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:16,113 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2301 [inf_0], [#valid] -> [-inf_0] v_2299 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2298 [inf_0], [old(#memory_int)] -> [-inf_0] v_2302 [inf_0], [old(#valid)] -> [-inf_0] v_2300 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:33:16,113 WARN L628 ntHoareTripleChecker]: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) (assume !(#memory_int[main_p2] <= 0);) [2019-02-27 13:33:16,114 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 12 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:16,114 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:23,560 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:23,560 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:23,561 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:23,561 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:23,561 WARN L224 ngHoareTripleChecker]: Pre: {305#true} [2019-02-27 13:33:23,561 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-02-27 13:33:23,562 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-02-27 13:33:23,562 WARN L230 ngHoareTripleChecker]: Post: {306#(forall ((v_idx_2358 Int)) (or (< v_idx_2358 c_ULTIMATE.start_main_p1) (= 0 (select |c_#memory_int| v_idx_2358)) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2358)))} [2019-02-27 13:33:23,562 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:23,563 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:23,563 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:23,564 WARN L270 ngHoareTripleChecker]: Pre: {305#true} [2019-02-27 13:33:23,564 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-02-27 13:33:23,564 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-02-27 13:33:23,573 WARN L276 ngHoareTripleChecker]: Post: {306#(forall ((v_idx_2358 Int)) (or (< v_idx_2358 ULTIMATE.start_main_p1) (= 0 (select |#memory_int| v_idx_2358)) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2358)))} [2019-02-27 13:33:23,574 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:23,574 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:23,574 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2323 [inf_0], [#valid] -> [-inf_0] v_2321 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2320 [inf_0], [old(#memory_int)] -> [-inf_0] v_2324 [inf_0], [old(#valid)] -> [-inf_0] v_2322 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:33:23,575 WARN L628 ntHoareTripleChecker]: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) (assume !(#memory_int[main_p2] <= 0);) [2019-02-27 13:33:23,575 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 11 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:23,575 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:24,463 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:24,464 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:24,464 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:24,464 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:24,465 WARN L224 ngHoareTripleChecker]: Pre: {308#true} [2019-02-27 13:33:24,465 WARN L228 ngHoareTripleChecker]: Action: assume #memory_int[main_p2] <= 0; [2019-02-27 13:33:24,465 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) [2019-02-27 13:33:24,465 WARN L230 ngHoareTripleChecker]: Post: {309#(forall ((v_idx_2392 Int) (v_idx_2390 Int)) (and (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2392) (< v_idx_2392 c_ULTIMATE.start_main_p2) (and (<= (* 2 (select |c_#memory_int| v_idx_2392)) 0) (<= (select |c_#memory_int| v_idx_2392) 0))) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2390) (= (select |c_#memory_int| v_idx_2390) 0) (< v_idx_2390 c_ULTIMATE.start_main_p1))))} [2019-02-27 13:33:24,465 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:24,466 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:24,466 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:24,467 WARN L270 ngHoareTripleChecker]: Pre: {308#true} [2019-02-27 13:33:24,467 WARN L274 ngHoareTripleChecker]: Action: assume #memory_int[main_p2] <= 0; [2019-02-27 13:33:24,467 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) [2019-02-27 13:33:24,488 WARN L276 ngHoareTripleChecker]: Post: {309#(and (forall ((v_idx_2390 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_2390) (= (select |#memory_int| v_idx_2390) 0) (< v_idx_2390 ULTIMATE.start_main_p1))) (forall ((v_idx_2392 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_idx_2392) (<= (select |#memory_int| v_idx_2392) 0) (< v_idx_2392 ULTIMATE.start_main_p2))) (forall ((v_prenex_26 Int)) (or (<= (* 2 (select |#memory_int| v_prenex_26)) 0) (< v_prenex_26 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_prenex_26))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2))} [2019-02-27 13:33:24,488 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:24,488 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:24,489 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2349 [inf_0], [#valid] -> [-inf_0] v_2347 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2346 [inf_0], [old(#memory_int)] -> [-inf_0] v_2350 [inf_0], [old(#valid)] -> [-inf_0] v_2348 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:33:24,489 WARN L628 ntHoareTripleChecker]: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) (assume #memory_int[main_p2] <= 0;) [2019-02-27 13:33:24,490 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 12 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:24,490 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:31,360 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:31,360 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:31,361 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:31,361 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:31,361 WARN L224 ngHoareTripleChecker]: Pre: {310#true} [2019-02-27 13:33:31,361 WARN L228 ngHoareTripleChecker]: Action: assume #memory_int[main_p2] <= 0; [2019-02-27 13:33:31,362 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) [2019-02-27 13:33:31,362 WARN L230 ngHoareTripleChecker]: Post: {311#(forall ((v_idx_2422 Int)) (or (< v_idx_2422 c_ULTIMATE.start_main_p1) (= 0 (select |c_#memory_int| v_idx_2422)) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2422)))} [2019-02-27 13:33:31,362 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:31,363 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:31,363 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:31,364 WARN L270 ngHoareTripleChecker]: Pre: {310#true} [2019-02-27 13:33:31,364 WARN L274 ngHoareTripleChecker]: Action: assume #memory_int[main_p2] <= 0; [2019-02-27 13:33:31,364 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) [2019-02-27 13:33:31,372 WARN L276 ngHoareTripleChecker]: Post: {311#(forall ((v_idx_2422 Int)) (or (< v_idx_2422 ULTIMATE.start_main_p1) (= 0 (select |#memory_int| v_idx_2422)) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2422)))} [2019-02-27 13:33:31,373 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:31,373 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:31,373 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2371 [inf_0], [#valid] -> [-inf_0] v_2369 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2368 [inf_0], [old(#memory_int)] -> [-inf_0] v_2372 [inf_0], [old(#valid)] -> [-inf_0] v_2370 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:33:31,374 WARN L628 ntHoareTripleChecker]: (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0) (assume #memory_int[main_p2] <= 0;) [2019-02-27 13:33:31,374 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 11 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:31,375 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:39,973 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:39,973 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:39,973 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:39,973 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:39,973 WARN L224 ngHoareTripleChecker]: Pre: {321#true} [2019-02-27 13:33:39,974 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p3] >= 0); [2019-02-27 13:33:39,974 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) [2019-02-27 13:33:39,974 WARN L230 ngHoareTripleChecker]: Post: {322#(forall ((v_idx_2531 Int) (v_idx_2529 Int)) (and (or (= 0 (select |c_#memory_int| v_idx_2529)) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2529) (< v_idx_2529 c_ULTIMATE.start_main_p1)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (< v_idx_2531 c_ULTIMATE.start_main_p2) (and (<= (select |c_#memory_int| v_idx_2531) 0) (<= (* 2 (select |c_#memory_int| v_idx_2531)) 0)) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_2531))))} [2019-02-27 13:33:39,974 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:39,974 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:39,974 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:39,975 WARN L270 ngHoareTripleChecker]: Pre: {321#true} [2019-02-27 13:33:39,975 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p3] >= 0); [2019-02-27 13:33:39,975 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) [2019-02-27 13:33:39,996 WARN L276 ngHoareTripleChecker]: Post: {322#(and (forall ((v_prenex_27 Int)) (or (<= (+ ULTIMATE.start_main_p2 1) v_prenex_27) (<= (* 2 (select |#memory_int| v_prenex_27)) 0) (< v_prenex_27 ULTIMATE.start_main_p2))) (forall ((v_idx_2531 Int)) (or (< v_idx_2531 ULTIMATE.start_main_p2) (<= (select |#memory_int| v_idx_2531) 0) (<= (+ ULTIMATE.start_main_p2 1) v_idx_2531))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (forall ((v_idx_2529 Int)) (or (= 0 (select |#memory_int| v_idx_2529)) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2529) (< v_idx_2529 ULTIMATE.start_main_p1))))} [2019-02-27 13:33:39,996 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:39,997 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:39,997 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2448 [inf_0], [#valid] -> [-inf_0] v_2446 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2445 [inf_0], [old(#memory_int)] -> [-inf_0] v_2449 [inf_0], [old(#valid)] -> [-inf_0] v_2447 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:33:39,997 WARN L628 ntHoareTripleChecker]: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) (assume !(#memory_int[main_p3] >= 0);) [2019-02-27 13:33:39,998 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 12 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; ULTIMATE.start_main_p2 - b_114 = [-inf; -1]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; ULTIMATE.start_main_p2 - b_112 = [0; 0]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; ULTIMATE.start_main_p2 - b_110 = [1; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; ULTIMATE.start_main_p2 - b_111 = [0; inf]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; ULTIMATE.start_main_p2 - b_115 = [-inf; -2]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; ULTIMATE.start_main_p2 - b_113 = [-1; -1]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:39,998 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:45,693 WARN L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:33:45,693 WARN L217 ngHoareTripleChecker]: Expected: UNKNOWN Actual: INVALID [2019-02-27 13:33:45,694 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:33:45,694 WARN L223 ngHoareTripleChecker]: -- [2019-02-27 13:33:45,694 WARN L224 ngHoareTripleChecker]: Pre: {323#true} [2019-02-27 13:33:45,694 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p3] >= 0); [2019-02-27 13:33:45,695 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) [2019-02-27 13:33:45,695 WARN L230 ngHoareTripleChecker]: Post: {324#(forall ((v_idx_2561 Int)) (or (< v_idx_2561 c_ULTIMATE.start_main_p1) (= 0 (select |c_#memory_int| v_idx_2561)) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_2561)))} [2019-02-27 13:33:45,695 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:33:45,695 WARN L268 ngHoareTripleChecker]: -- [2019-02-27 13:33:45,696 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:33:45,716 WARN L270 ngHoareTripleChecker]: Pre: {323#true} [2019-02-27 13:33:45,716 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p3] >= 0); [2019-02-27 13:33:45,716 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) [2019-02-27 13:33:45,728 WARN L276 ngHoareTripleChecker]: Post: {324#(forall ((v_idx_2561 Int)) (or (< v_idx_2561 ULTIMATE.start_main_p1) (= 0 (select |#memory_int| v_idx_2561)) (<= (+ ULTIMATE.start_main_p1 1) v_idx_2561)))} [2019-02-27 13:33:45,728 WARN L620 ntHoareTripleChecker]: -- [2019-02-27 13:33:45,729 WARN L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:33:45,729 WARN L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_2474 [inf_0], [#valid] -> [-inf_0] v_2472 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_2471 [inf_0], [old(#memory_int)] -> [-inf_0] v_2475 [inf_0], [old(#valid)] -> [-inf_0] v_2473 [inf_0], }, Substate: {9 vars top, }}} [2019-02-27 13:33:45,729 WARN L628 ntHoareTripleChecker]: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p3))) (assume !(#memory_int[main_p3] >= 0);) [2019-02-27 13:33:45,730 WARN L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1209 [b_110] v_1210 [b_111] v_1211 [b_112] v_1212 [b_113] v_1213 [b_114] v_1214 [b_115] v_1215 [inf_0], }, Substate: {ints: {v_1212 = [-inf; 0]; v_1214 = [0; 0]; v_1210 = [0; 0]}, 11 vars top, relations: {b_112 - b_114 = [-inf; -1]; b_110 - b_114 = [-inf; -2]; ULTIMATE.start_main_p1 - b_114 = [-inf; -2]; b_111 - b_114 = [-inf; -1]; b_113 - b_114 = [-inf; 0]; v_1210 + v_1212 = [-inf; 0]; v_1210 - v_1212 = [0; inf]; b_110 - b_112 = [-inf; -1]; ULTIMATE.start_main_p1 - b_112 = [-inf; -1]; b_111 - b_112 = [-inf; 0]; v_1212 + v_1214 = [-inf; 0]; v_1212 - v_1214 = [-inf; 0]; v_1210 + v_1214 = [0; 0]; v_1210 - v_1214 = [0; 0]; ULTIMATE.start_main_p1 - b_110 = [0; 0]; b_110 - b_111 = [-1; -1]; ULTIMATE.start_main_p1 - b_111 = [-1; -1]; b_114 - b_115 = [-1; -1]; b_112 - b_115 = [-inf; -2]; b_110 - b_115 = [-inf; -3]; ULTIMATE.start_main_p1 - b_115 = [-inf; -3]; b_111 - b_115 = [-inf; -2]; b_113 - b_115 = [-inf; -1]; b_112 - b_113 = [-1; -1]; b_110 - b_113 = [-inf; -2]; ULTIMATE.start_main_p1 - b_113 = [-inf; -2]; b_111 - b_113 = [-inf; -1]}, }}} [2019-02-27 13:33:45,730 WARN L630 ntHoareTripleChecker]: -- [2019-02-27 13:33:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:33:45,739 INFO L93 Difference]: Finished difference Result 16 states and 26 transitions. [2019-02-27 13:33:45,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-02-27 13:33:45,739 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-02-27 13:33:45,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-27 13:33:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-02-27 13:33:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-02-27 13:33:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-02-27 13:33:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-02-27 13:33:45,741 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 17 transitions. [2019-02-27 13:33:45,831 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:33:45,832 INFO L225 Difference]: With dead ends: 16 [2019-02-27 13:33:45,832 INFO L226 Difference]: Without dead ends: 14 [2019-02-27 13:33:45,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-02-27 13:33:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-02-27 13:33:45,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2019-02-27 13:33:45,855 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-27 13:33:45,855 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand 11 states. [2019-02-27 13:33:45,855 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 11 states. [2019-02-27 13:33:45,855 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 11 states. [2019-02-27 13:33:45,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:33:45,858 INFO L93 Difference]: Finished difference Result 14 states and 24 transitions. [2019-02-27 13:33:45,858 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2019-02-27 13:33:45,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:33:45,858 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:33:45,859 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 14 states. [2019-02-27 13:33:45,859 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 14 states. [2019-02-27 13:33:45,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:33:45,860 INFO L93 Difference]: Finished difference Result 14 states and 24 transitions. [2019-02-27 13:33:45,861 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2019-02-27 13:33:45,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:33:45,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:33:45,861 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-27 13:33:45,861 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-27 13:33:45,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-02-27 13:33:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 22 transitions. [2019-02-27 13:33:45,862 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 22 transitions. Word has length 3 [2019-02-27 13:33:45,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-27 13:33:45,863 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 22 transitions. [2019-02-27 13:33:45,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-02-27 13:33:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 22 transitions. [2019-02-27 13:33:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-02-27 13:33:45,863 INFO L394 BasicCegarLoop]: Found error trace [2019-02-27 13:33:45,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-02-27 13:33:45,864 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT]=== [2019-02-27 13:33:45,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-27 13:33:45,864 INFO L82 PathProgramCache]: Analyzing trace with hash 939474, now seen corresponding path program 1 times [2019-02-27 13:33:45,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-27 13:33:45,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:33:45,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-27 13:33:45,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:33:45,865 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-27 13:33:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-27 13:33:45,905 INFO L273 TraceCheckUtils]: 0: Hoare triple {371#true} havoc main_p1, main_p2, main_p3;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;assume main_p1 < main_p2;assume main_p2 < main_p3;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0]; {373#(= (select |#memory_int| ULTIMATE.start_main_p3) 0)} is VALID [2019-02-27 13:33:45,906 INFO L273 TraceCheckUtils]: 1: Hoare triple {373#(= (select |#memory_int| ULTIMATE.start_main_p3) 0)} assume #memory_int[main_p1] >= 0; {373#(= (select |#memory_int| ULTIMATE.start_main_p3) 0)} is VALID [2019-02-27 13:33:45,907 INFO L273 TraceCheckUtils]: 2: Hoare triple {373#(= (select |#memory_int| ULTIMATE.start_main_p3) 0)} assume #memory_int[main_p2] <= 0; {373#(= (select |#memory_int| ULTIMATE.start_main_p3) 0)} is VALID [2019-02-27 13:33:45,908 INFO L273 TraceCheckUtils]: 3: Hoare triple {373#(= (select |#memory_int| ULTIMATE.start_main_p3) 0)} assume !(#memory_int[main_p3] >= 0); {372#false} is VALID [2019-02-27 13:33:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-27 13:33:45,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-02-27 13:33:45,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-02-27 13:33:45,909 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-27 13:33:45,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-02-27 13:33:45,909 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-27 13:33:45,909 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-02-27 13:33:45,921 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:33:45,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-02-27 13:33:45,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-02-27 13:33:45,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-27 13:33:45,922 INFO L87 Difference]: Start difference. First operand 11 states and 22 transitions. Second operand 3 states. [2019-02-27 13:33:45,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:33:45,986 INFO L93 Difference]: Finished difference Result 14 states and 24 transitions. [2019-02-27 13:33:45,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-02-27 13:33:45,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-02-27 13:33:45,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-27 13:33:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-27 13:33:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2019-02-27 13:33:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-27 13:33:45,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2019-02-27 13:33:45,988 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 15 transitions. [2019-02-27 13:33:46,003 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-27 13:33:46,004 INFO L225 Difference]: With dead ends: 14 [2019-02-27 13:33:46,004 INFO L226 Difference]: Without dead ends: 11 [2019-02-27 13:33:46,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-27 13:33:46,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-02-27 13:33:46,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-02-27 13:33:46,034 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-27 13:33:46,034 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11 states. Second operand 11 states. [2019-02-27 13:33:46,034 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2019-02-27 13:33:46,034 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2019-02-27 13:33:46,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:33:46,037 INFO L93 Difference]: Finished difference Result 11 states and 21 transitions. [2019-02-27 13:33:46,037 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 21 transitions. [2019-02-27 13:33:46,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:33:46,037 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:33:46,037 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2019-02-27 13:33:46,038 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2019-02-27 13:33:46,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-27 13:33:46,039 INFO L93 Difference]: Finished difference Result 11 states and 21 transitions. [2019-02-27 13:33:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 21 transitions. [2019-02-27 13:33:46,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-27 13:33:46,039 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-27 13:33:46,040 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-27 13:33:46,040 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-27 13:33:46,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-02-27 13:33:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 21 transitions. [2019-02-27 13:33:46,041 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 21 transitions. Word has length 4 [2019-02-27 13:33:46,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-27 13:33:46,041 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 21 transitions. [2019-02-27 13:33:46,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-02-27 13:33:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 21 transitions. [2019-02-27 13:33:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-02-27 13:33:46,042 INFO L394 BasicCegarLoop]: Found error trace [2019-02-27 13:33:46,042 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-02-27 13:33:46,042 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT]=== [2019-02-27 13:33:46,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-27 13:33:46,043 INFO L82 PathProgramCache]: Analyzing trace with hash 929800, now seen corresponding path program 1 times [2019-02-27 13:33:46,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-27 13:33:46,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:33:46,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-27 13:33:46,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-27 13:33:46,044 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-27 13:33:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-27 13:33:46,129 INFO L273 TraceCheckUtils]: 0: Hoare triple {431#true} havoc main_p1, main_p2, main_p3;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;assume main_p1 < main_p2;assume main_p2 < main_p3;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0]; {433#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p2)) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p1 (+ (select |#memory_int| ULTIMATE.start_main_p1) 1)) ULTIMATE.start_main_p2)))} is VALID [2019-02-27 13:33:46,131 INFO L273 TraceCheckUtils]: 1: Hoare triple {433#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p2)) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p1 (+ (select |#memory_int| ULTIMATE.start_main_p1) 1)) ULTIMATE.start_main_p2)))} #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; {434#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} is VALID [2019-02-27 13:33:46,132 INFO L273 TraceCheckUtils]: 2: Hoare triple {434#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} assume #memory_int[main_p1] >= 0; {434#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} is VALID [2019-02-27 13:33:46,133 INFO L273 TraceCheckUtils]: 3: Hoare triple {434#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} assume !(#memory_int[main_p2] <= 0); {432#false} is VALID [2019-02-27 13:33:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-27 13:33:46,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-27 13:33:46,134 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-27 13:33:46,134 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 5 with the following transitions: [2019-02-27 13:33:46,134 INFO L207 CegarAbsIntRunner]: [0], [6], [16], [17] [2019-02-27 13:33:46,136 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-02-27 13:33:46,136 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-27 13:34:43,110 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-02-27 13:34:43,110 INFO L272 AbstractInterpreter]: Visited 4 different actions 12 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. [2019-02-27 13:34:43,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-27 13:34:43,111 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-02-27 13:34:49,555 FATAL L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-27 13:34:49,555 FATAL L217 ngHoareTripleChecker]: Expected: VALID Actual: INVALID [2019-02-27 13:34:49,555 FATAL L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-27 13:34:49,556 FATAL L223 ngHoareTripleChecker]: -- [2019-02-27 13:34:49,556 FATAL L224 ngHoareTripleChecker]: Pre: {442#(forall ((v_idx_3279 Int) (v_idx_3276 Int) (v_idx_3287 Int) (v_idx_3283 Int) (v_idx_3285 Int)) (and (<= (+ c_ULTIMATE.start_main_p1 2) c_ULTIMATE.start_main_p3) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p3) (- 2)) (<= c_ULTIMATE.start_main_p3 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p1 2) c_ULTIMATE.start_malloc_ptr) (<= (- c_ULTIMATE.start_main_p2 c_ULTIMATE.start_main_p3) (- 1)) (or (<= (+ c_ULTIMATE.start_main_p3 1) v_idx_3276) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_3276)) (< v_idx_3276 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_3279 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_3279)) (<= (+ c_ULTIMATE.start_main_p3 1) v_idx_3279)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_3283) (< v_idx_3283 c_ULTIMATE.start_main_p1) (and (<= 0 (* 2 (select |c_#memory_int| v_idx_3283))) (<= 0 (select |c_#memory_int| v_idx_3283)))) (<= (+ c_ULTIMATE.start_main_p2 1) c_ULTIMATE.start_main_p3) (<= (- (- c_ULTIMATE.start_main_p3) (- c_ULTIMATE.start_malloc_ptr)) 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p3) (<= (- c_ULTIMATE.start_main_p3 c_ULTIMATE.start_malloc_ptr) 0) (<= (+ c_ULTIMATE.start_main_p2 1) c_ULTIMATE.start_malloc_ptr) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (or (= 0 (select |c_#memory_int| v_idx_3285)) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_3285) (< v_idx_3285 c_ULTIMATE.start_main_p2)) (<= (- c_ULTIMATE.start_main_p2 c_ULTIMATE.start_malloc_ptr) (- 1)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (or (= 0 (select |c_#memory_int| v_idx_3287)) (<= (+ c_ULTIMATE.start_main_p3 1) v_idx_3287) (< v_idx_3287 c_ULTIMATE.start_malloc_ptr)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_malloc_ptr) (- 2))))} [2019-02-27 13:34:49,556 FATAL L228 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:34:49,556 FATAL L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:34:49,556 FATAL L230 ngHoareTripleChecker]: Post: {443#(forall ((v_idx_3301 Int) (v_idx_3297 Int) (v_idx_3299 Int) (v_idx_3294 Int) (v_idx_3291 Int)) (and (<= (+ c_ULTIMATE.start_main_p1 2) c_ULTIMATE.start_main_p3) (or (< v_idx_3294 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_3294) 1) (<= (+ c_ULTIMATE.start_main_p3 1) v_idx_3294)) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p3) (- 2)) (<= c_ULTIMATE.start_main_p3 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_3297 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_3297) (= (select |c_#memory_int| v_idx_3297) 0)) (<= (+ c_ULTIMATE.start_main_p1 2) c_ULTIMATE.start_malloc_ptr) (<= (- c_ULTIMATE.start_main_p2 c_ULTIMATE.start_main_p3) (- 1)) (or (<= (+ c_ULTIMATE.start_main_p3 1) v_idx_3301) (< v_idx_3301 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_#memory_int| v_idx_3301))) (<= (+ c_ULTIMATE.start_main_p2 1) c_ULTIMATE.start_main_p3) (<= (- (- c_ULTIMATE.start_main_p3) (- c_ULTIMATE.start_malloc_ptr)) 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p3) (<= (- c_ULTIMATE.start_main_p3 c_ULTIMATE.start_malloc_ptr) 0) (<= (+ c_ULTIMATE.start_main_p2 1) c_ULTIMATE.start_malloc_ptr) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_main_p2) (- 1)) (or (= 0 (select |c_#memory_int| v_idx_3299)) (< v_idx_3299 c_ULTIMATE.start_main_p2) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_3299)) (<= (- c_ULTIMATE.start_main_p2 c_ULTIMATE.start_malloc_ptr) (- 1)) (or (< v_idx_3291 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_3291)) (<= (+ c_ULTIMATE.start_main_p3 1) v_idx_3291)) (<= (+ c_ULTIMATE.start_main_p1 1) c_ULTIMATE.start_main_p2) (<= (- c_ULTIMATE.start_main_p1 c_ULTIMATE.start_malloc_ptr) (- 2))))} [2019-02-27 13:34:49,556 FATAL L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-27 13:34:49,558 FATAL L268 ngHoareTripleChecker]: -- [2019-02-27 13:34:49,559 FATAL L269 ngHoareTripleChecker]: Simplified triple [2019-02-27 13:34:49,620 FATAL L270 ngHoareTripleChecker]: Pre: {442#(and (<= (+ ULTIMATE.start_main_p1 2) ULTIMATE.start_main_p3) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p3) (- 2)) (<= ULTIMATE.start_main_p3 ULTIMATE.start_malloc_ptr) (forall ((v_prenex_28 Int)) (or (< v_prenex_28 ULTIMATE.start_main_p1) (<= 0 (select |#memory_int| v_prenex_28)) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_28))) (forall ((v_idx_3276 Int)) (or (<= (+ ULTIMATE.start_main_p3 1) v_idx_3276) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_3276)) (< v_idx_3276 ULTIMATE.start_malloc_ptr))) (<= (+ ULTIMATE.start_main_p1 2) ULTIMATE.start_malloc_ptr) (<= (- ULTIMATE.start_main_p2 ULTIMATE.start_main_p3) (- 1)) (forall ((v_idx_3279 Int)) (or (< v_idx_3279 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_3279)) (<= (+ ULTIMATE.start_main_p3 1) v_idx_3279))) (<= (+ ULTIMATE.start_main_p2 1) ULTIMATE.start_main_p3) (<= (- (- ULTIMATE.start_main_p3) (- ULTIMATE.start_malloc_ptr)) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p3) (<= (- ULTIMATE.start_main_p3 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_3283 Int)) (or (<= 0 (* 2 (select |#memory_int| v_idx_3283))) (<= (+ ULTIMATE.start_main_p1 1) v_idx_3283) (< v_idx_3283 ULTIMATE.start_main_p1))) (forall ((v_idx_3285 Int)) (or (= 0 (select |#memory_int| v_idx_3285)) (<= (+ ULTIMATE.start_main_p2 1) v_idx_3285) (< v_idx_3285 ULTIMATE.start_main_p2))) (<= (+ ULTIMATE.start_main_p2 1) ULTIMATE.start_malloc_ptr) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (- ULTIMATE.start_main_p2 ULTIMATE.start_malloc_ptr) (- 1)) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (forall ((v_idx_3287 Int)) (or (= 0 (select |#memory_int| v_idx_3287)) (<= (+ ULTIMATE.start_main_p3 1) v_idx_3287) (< v_idx_3287 ULTIMATE.start_malloc_ptr))) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_malloc_ptr) (- 2)))} [2019-02-27 13:34:49,621 FATAL L274 ngHoareTripleChecker]: Action: assume #memory_int[main_p1] >= 0; [2019-02-27 13:34:49,621 FATAL L184 hOps$ForEachOp$OfRef]: ActionStr: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) [2019-02-27 13:34:49,686 FATAL L276 ngHoareTripleChecker]: Post: {443#(and (<= (+ ULTIMATE.start_main_p1 2) ULTIMATE.start_main_p3) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p3) (- 2)) (<= ULTIMATE.start_main_p3 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p1 2) ULTIMATE.start_malloc_ptr) (<= (- ULTIMATE.start_main_p2 ULTIMATE.start_main_p3) (- 1)) (forall ((v_idx_3297 Int)) (or (< v_idx_3297 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_3297) (= (select |#memory_int| v_idx_3297) 0))) (forall ((v_idx_3301 Int)) (or (<= (+ ULTIMATE.start_main_p3 1) v_idx_3301) (< v_idx_3301 ULTIMATE.start_malloc_ptr) (= 0 (select |#memory_int| v_idx_3301)))) (<= (+ ULTIMATE.start_main_p2 1) ULTIMATE.start_main_p3) (<= (- (- ULTIMATE.start_main_p3) (- ULTIMATE.start_malloc_ptr)) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p3) (<= (- ULTIMATE.start_main_p3 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_3299 Int)) (or (= 0 (select |#memory_int| v_idx_3299)) (< v_idx_3299 ULTIMATE.start_main_p2) (<= (+ ULTIMATE.start_main_p2 1) v_idx_3299))) (forall ((v_idx_3294 Int)) (or (< v_idx_3294 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_3294) 1) (<= (+ ULTIMATE.start_main_p3 1) v_idx_3294))) (<= (+ ULTIMATE.start_main_p2 1) ULTIMATE.start_malloc_ptr) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_main_p2) (- 1)) (<= (- ULTIMATE.start_main_p2 ULTIMATE.start_malloc_ptr) (- 1)) (forall ((v_idx_3291 Int)) (or (< v_idx_3291 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_3291)) (<= (+ ULTIMATE.start_main_p3 1) v_idx_3291))) (<= (+ ULTIMATE.start_main_p1 1) ULTIMATE.start_main_p2) (<= (- ULTIMATE.start_main_p1 ULTIMATE.start_malloc_ptr) (- 2)))} [2019-02-27 13:34:49,687 FATAL L620 ntHoareTripleChecker]: -- [2019-02-27 13:34:49,687 FATAL L621 ntHoareTripleChecker]: Abstract states [2019-02-27 13:34:49,688 FATAL L623 ntHoareTripleChecker]: PreS: {#1{Arrays: {[#memory_int] -> [-inf_0] v_1266 [b_88] v_1267 [b_89] v_1268 [b_90] v_1269 [b_91] v_1270 [b_92] v_1271 [b_93] v_1272 [inf_0], [#valid] -> [-inf_0] v_1263 [b_86] v_1264 [b_87] v_1265 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_1259 [b_84] v_1260 [b_85] v_1261 [inf_0], [old(#memory_int)] -> [-inf_0] v_1872 [inf_0], [old(#valid)] -> [-inf_0] v_1871 [inf_0], }, Substate: {ints: {v_1264 = [1; 1]; v_1267 = [0; inf]; v_1269 = [0; 0]; v_1271 = [0; 0]; v_1260 = [0; 0]}, 24 vars top, relations: {ULTIMATE.start_malloc_ptr - b_89 = [1; inf]; b_86 - b_89 = [1; inf]; b_87 - b_89 = [2; inf]; b_88 - b_89 = [-1; -1]; ULTIMATE.start_main_p1 - b_89 = [-1; -1]; ULTIMATE.start_main_p2 - b_89 = [0; inf]; b_84 - b_89 = [1; inf]; b_85 - b_89 = [2; inf]; ULTIMATE.start_main_p3 - b_89 = [1; inf]; v_1260 + v_1264 = [1; 1]; v_1260 - v_1264 = [-1; -1]; b_89 - b_90 = [-inf; 0]; ULTIMATE.start_malloc_ptr - b_90 = [1; inf]; b_86 - b_90 = [1; inf]; b_87 - b_90 = [2; inf]; b_88 - b_90 = [-inf; -1]; ULTIMATE.start_main_p1 - b_90 = [-inf; -1]; ULTIMATE.start_main_p2 - b_90 = [0; 0]; b_84 - b_90 = [1; inf]; b_85 - b_90 = [2; inf]; ULTIMATE.start_main_p3 - b_90 = [1; inf]; ULTIMATE.start_main_p1 - ULTIMATE.start_malloc_ptr = [-inf; -2]; ULTIMATE.start_main_p2 - ULTIMATE.start_malloc_ptr = [-inf; -1]; ULTIMATE.start_main_p3 - ULTIMATE.start_malloc_ptr = [0; 0]; ULTIMATE.start_malloc_ptr - b_86 = [0; 0]; ULTIMATE.start_main_p1 - b_86 = [-inf; -2]; ULTIMATE.start_main_p2 - b_86 = [-inf; -1]; b_84 - b_86 = [0; 0]; b_85 - b_86 = [1; 1]; ULTIMATE.start_main_p3 - b_86 = [0; 0]; ULTIMATE.start_malloc_ptr - b_87 = [-1; -1]; b_86 - b_87 = [-1; -1]; ULTIMATE.start_main_p1 - b_87 = [-inf; -3]; ULTIMATE.start_main_p2 - b_87 = [-inf; -2]; b_84 - b_87 = [-1; -1]; b_85 - b_87 = [0; 0]; ULTIMATE.start_main_p3 - b_87 = [-1; -1]; b_89 - b_93 = [-inf; -2]; b_90 - b_93 = [-inf; -2]; ULTIMATE.start_malloc_ptr - b_93 = [-1; -1]; b_86 - b_93 = [-1; -1]; b_87 - b_93 = [0; 0]; b_88 - b_93 = [-inf; -3]; b_91 - b_93 = [-inf; -1]; ULTIMATE.start_main_p1 - b_93 = [-inf; -3]; ULTIMATE.start_main_p2 - b_93 = [-inf; -2]; b_92 - b_93 = [-1; -1]; b_84 - b_93 = [-1; -1]; b_85 - b_93 = [0; 0]; ULTIMATE.start_main_p3 - b_93 = [-1; -1]; ULTIMATE.start_malloc_ptr - b_88 = [2; inf]; b_86 - b_88 = [2; inf]; b_87 - b_88 = [3; inf]; ULTIMATE.start_main_p1 - b_88 = [0; 0]; ULTIMATE.start_main_p2 - b_88 = [1; inf]; b_84 - b_88 = [2; inf]; b_85 - b_88 = [3; inf]; ULTIMATE.start_main_p3 - b_88 = [2; inf]; v_1264 + v_1267 = [1; inf]; v_1264 - v_1267 = [-inf; 1]; v_1260 + v_1267 = [0; inf]; v_1260 - v_1267 = [-inf; 0]; b_89 - b_91 = [-inf; -1]; b_90 - b_91 = [-1; -1]; ULTIMATE.start_malloc_ptr - b_91 = [0; inf]; b_86 - b_91 = [0; inf]; b_87 - b_91 = [1; inf]; b_88 - b_91 = [-inf; -2]; ULTIMATE.start_main_p1 - b_91 = [-inf; -2]; ULTIMATE.start_main_p2 - b_91 = [-1; -1]; b_84 - b_91 = [0; inf]; b_85 - b_91 = [1; inf]; ULTIMATE.start_main_p3 - b_91 = [0; inf]; v_1264 + v_1269 = [1; 1]; v_1264 - v_1269 = [1; 1]; v_1267 + v_1269 = [0; inf]; v_1267 - v_1269 = [0; inf]; v_1260 + v_1269 = [0; 0]; v_1260 - v_1269 = [0; 0]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; b_89 - b_92 = [-inf; -1]; b_90 - b_92 = [-inf; -1]; ULTIMATE.start_malloc_ptr - b_92 = [0; 0]; b_86 - b_92 = [0; 0]; b_87 - b_92 = [1; 1]; b_88 - b_92 = [-inf; -2]; b_91 - b_92 = [-inf; 0]; ULTIMATE.start_main_p1 - b_92 = [-inf; -2]; ULTIMATE.start_main_p2 - b_92 = [-inf; -1]; b_84 - b_92 = [0; 0]; b_85 - b_92 = [1; 1]; ULTIMATE.start_main_p3 - b_92 = [0; 0]; v_1264 + v_1271 = [1; 1]; v_1264 - v_1271 = [1; 1]; v_1267 + v_1271 = [0; inf]; v_1267 - v_1271 = [0; inf]; v_1269 + v_1271 = [0; 0]; v_1269 - v_1271 = [0; 0]; v_1260 + v_1271 = [0; 0]; v_1260 - v_1271 = [0; 0]; ULTIMATE.start_malloc_ptr - b_84 = [0; 0]; ULTIMATE.start_main_p1 - b_84 = [-inf; -2]; ULTIMATE.start_main_p2 - b_84 = [-inf; -1]; ULTIMATE.start_main_p3 - b_84 = [0; 0]; ULTIMATE.start_malloc_ptr - b_85 = [-1; -1]; ULTIMATE.start_main_p1 - b_85 = [-inf; -3]; ULTIMATE.start_main_p2 - b_85 = [-inf; -2]; b_84 - b_85 = [-1; -1]; ULTIMATE.start_main_p3 - b_85 = [-1; -1]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p3 = [-inf; -2]; ULTIMATE.start_main_p2 - ULTIMATE.start_main_p3 = [-inf; -1]}, }}} [2019-02-27 13:34:49,689 FATAL L628 ntHoareTripleChecker]: (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1)) (assume #memory_int[main_p1] >= 0;) [2019-02-27 13:34:49,690 FATAL L629 ntHoareTripleChecker]: Post: {#1{Arrays: {[#memory_int] -> [-inf_0] v_35 [b_24] v_45 [b_19] v_38 [b_20] v_39 [b_21] v_41 [b_22] v_42 [b_23] v_43 [inf_0], [#valid] -> [-inf_0] v_32 [b_16] v_33 [b_17] v_34 [inf_0], [ULTIMATE.start_malloc_old_#valid] -> [-inf_0] v_26 [b_12] v_27 [b_13] v_28 [inf_0], }, Substate: {ints: {v_42 = [0; 0]; v_33 = [1; 1]; v_27 = [0; 0]; v_39 = [0; 0]; v_45 = [0; 0]}, 22 vars top, relations: {b_13 - b_23 = [0; 0]; b_12 - b_23 = [-1; -1]; ULTIMATE.start_malloc_ptr - b_23 = [-1; -1]; b_21 - b_23 = [-inf; -1]; b_22 - b_23 = [-1; -1]; b_16 - b_23 = [-1; -1]; b_19 - b_23 = [-inf; -2]; b_20 - b_23 = [-inf; -2]; ULTIMATE.start_main_p1 - b_23 = [-inf; -3]; b_17 - b_23 = [0; 0]; ULTIMATE.start_main_p2 - b_23 = [-inf; -2]; ULTIMATE.start_main_p3 - b_23 = [-1; -1]; b_12 - b_13 = [-1; -1]; ULTIMATE.start_malloc_ptr - b_13 = [-1; -1]; ULTIMATE.start_main_p1 - b_13 = [-inf; -3]; ULTIMATE.start_main_p2 - b_13 = [-inf; -2]; ULTIMATE.start_main_p3 - b_13 = [-1; -1]; ULTIMATE.start_malloc_ptr - b_12 = [0; 0]; ULTIMATE.start_main_p1 - b_12 = [-inf; -2]; ULTIMATE.start_main_p2 - b_12 = [-inf; -1]; ULTIMATE.start_main_p3 - b_12 = [0; 0]; v_33 + v_42 = [1; 1]; v_33 - v_42 = [1; 1]; v_27 + v_42 = [0; 0]; v_27 - v_42 = [0; 0]; v_39 + v_42 = [0; 0]; v_39 - v_42 = [0; 0]; ULTIMATE.start_main_p1 - ULTIMATE.start_malloc_ptr = [-inf; -2]; ULTIMATE.start_main_p2 - ULTIMATE.start_malloc_ptr = [-inf; -1]; ULTIMATE.start_main_p3 - ULTIMATE.start_malloc_ptr = [0; 0]; b_13 - b_21 = [1; inf]; b_12 - b_21 = [0; inf]; ULTIMATE.start_malloc_ptr - b_21 = [0; inf]; b_16 - b_21 = [0; inf]; b_19 - b_21 = [-inf; -1]; b_20 - b_21 = [-1; -1]; ULTIMATE.start_main_p1 - b_21 = [-inf; -2]; b_17 - b_21 = [1; inf]; ULTIMATE.start_main_p2 - b_21 = [-1; -1]; ULTIMATE.start_main_p3 - b_21 = [0; inf]; v_27 + v_33 = [1; 1]; v_27 - v_33 = [-1; -1]; b_13 - b_22 = [1; 1]; b_12 - b_22 = [0; 0]; ULTIMATE.start_malloc_ptr - b_22 = [0; 0]; b_21 - b_22 = [-inf; 0]; b_16 - b_22 = [0; 0]; b_19 - b_22 = [-inf; -1]; b_20 - b_22 = [-inf; -1]; ULTIMATE.start_main_p1 - b_22 = [-inf; -2]; b_17 - b_22 = [1; 1]; ULTIMATE.start_main_p2 - b_22 = [-inf; -1]; ULTIMATE.start_main_p3 - b_22 = [0; 0]; b_13 - b_16 = [1; 1]; b_12 - b_16 = [0; 0]; ULTIMATE.start_malloc_ptr - b_16 = [0; 0]; ULTIMATE.start_main_p1 - b_16 = [-inf; -2]; ULTIMATE.start_main_p2 - b_16 = [-inf; -1]; ULTIMATE.start_main_p3 - b_16 = [0; 0]; b_23 - b_24 = [3; inf]; b_13 - b_24 = [3; inf]; b_12 - b_24 = [2; inf]; ULTIMATE.start_malloc_ptr - b_24 = [2; inf]; b_21 - b_24 = [2; inf]; b_22 - b_24 = [2; inf]; b_16 - b_24 = [2; inf]; b_19 - b_24 = [1; 1]; b_20 - b_24 = [1; inf]; ULTIMATE.start_main_p1 - b_24 = [0; 0]; b_17 - b_24 = [3; inf]; ULTIMATE.start_main_p2 - b_24 = [1; inf]; ULTIMATE.start_main_p3 - b_24 = [2; inf]; b_13 - b_19 = [2; inf]; b_12 - b_19 = [1; inf]; ULTIMATE.start_malloc_ptr - b_19 = [1; inf]; b_16 - b_19 = [1; inf]; ULTIMATE.start_main_p1 - b_19 = [-1; -1]; b_17 - b_19 = [2; inf]; ULTIMATE.start_main_p2 - b_19 = [0; inf]; ULTIMATE.start_main_p3 - b_19 = [1; inf]; v_33 + v_39 = [1; 1]; v_33 - v_39 = [1; 1]; v_27 + v_39 = [0; 0]; v_27 - v_39 = [0; 0]; b_13 - b_20 = [2; inf]; b_12 - b_20 = [1; inf]; ULTIMATE.start_malloc_ptr - b_20 = [1; inf]; b_16 - b_20 = [1; inf]; b_19 - b_20 = [-inf; 0]; ULTIMATE.start_main_p1 - b_20 = [-inf; -1]; b_17 - b_20 = [2; inf]; ULTIMATE.start_main_p2 - b_20 = [0; 0]; ULTIMATE.start_main_p3 - b_20 = [1; inf]; b_13 - b_17 = [0; 0]; b_12 - b_17 = [-1; -1]; ULTIMATE.start_malloc_ptr - b_17 = [-1; -1]; b_16 - b_17 = [-1; -1]; ULTIMATE.start_main_p1 - b_17 = [-inf; -3]; ULTIMATE.start_main_p2 - b_17 = [-inf; -2]; ULTIMATE.start_main_p3 - b_17 = [-1; -1]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p2 = [-inf; -1]; v_42 + v_45 = [0; 0]; v_42 - v_45 = [0; 0]; v_33 + v_45 = [1; 1]; v_33 - v_45 = [1; 1]; v_27 + v_45 = [0; 0]; v_27 - v_45 = [0; 0]; v_39 + v_45 = [0; 0]; v_39 - v_45 = [0; 0]; ULTIMATE.start_main_p1 - ULTIMATE.start_main_p3 = [-inf; -2]; ULTIMATE.start_main_p2 - ULTIMATE.start_main_p3 = [-inf; -1]}, }}} [2019-02-27 13:34:49,690 FATAL L630 ntHoareTripleChecker]: -- [2019-02-27 13:34:49,691 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid AbsInt hoare triple check at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.isInductive(CegarAbsIntRunner.java:501) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.createInterpolantGenerator(CegarAbsIntRunner.java:406) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.getInterpolantGenerator(CegarAbsIntRunner.java:389) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.getInterpolantGenerator(CegarAbsIntRunner.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:384) 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) 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) [2019-02-27 13:34:49,695 INFO L168 Benchmark]: Toolchain (without parser) took 465814.04 ms. Allocated memory was 140.5 MB in the beginning and 847.2 MB in the end (delta: 706.7 MB). Free memory was 108.0 MB in the beginning and 621.8 MB in the end (delta: -513.8 MB). Peak memory consumption was 754.2 MB. Max. memory is 7.1 GB. [2019-02-27 13:34:49,697 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-27 13:34:49,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.90 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 105.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-02-27 13:34:49,698 INFO L168 Benchmark]: Boogie Preprocessor took 30.43 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 104.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-02-27 13:34:49,699 INFO L168 Benchmark]: RCFGBuilder took 476.18 ms. Allocated memory is still 140.5 MB. Free memory was 104.2 MB in the beginning and 91.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-02-27 13:34:49,699 INFO L168 Benchmark]: TraceAbstraction took 465234.36 ms. Allocated memory was 140.5 MB in the beginning and 847.2 MB in the end (delta: 706.7 MB). Free memory was 91.0 MB in the beginning and 621.8 MB in the end (delta: -530.8 MB). Peak memory consumption was 737.3 MB. Max. memory is 7.1 GB. [2019-02-27 13:34:49,704 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 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.90 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 105.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.43 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 104.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 476.18 ms. Allocated memory is still 140.5 MB. Free memory was 104.2 MB in the beginning and 91.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 465234.36 ms. Allocated memory was 140.5 MB in the beginning and 847.2 MB in the end (delta: 706.7 MB). Free memory was 91.0 MB in the beginning and 621.8 MB in the end (delta: -530.8 MB). Peak memory consumption was 737.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Invalid AbsInt hoare triple check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Invalid AbsInt hoare triple check: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:254) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...