java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-18 14:52:48,337 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-18 14:52:48,339 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-18 14:52:48,351 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-18 14:52:48,351 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-18 14:52:48,352 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-18 14:52:48,353 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-18 14:52:48,355 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-18 14:52:48,357 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-18 14:52:48,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-18 14:52:48,359 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-18 14:52:48,382 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-01-18 14:52:48,397 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-18 14:52:48,397 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-18 14:52:48,398 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-18 14:52:48,398 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-18 14:52:48,398 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-18 14:52:48,398 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-18 14:52:48,399 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-18 14:52:48,400 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-18 14:52:48,400 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-18 14:52:48,400 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-18 14:52:48,400 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-18 14:52:48,400 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-18 14:52:48,401 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-18 14:52:48,402 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-18 14:52:48,402 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-18 14:52:48,402 INFO L133 SettingsManager]: * Use SBE=true [2019-01-18 14:52:48,402 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-18 14:52:48,403 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-18 14:52:48,404 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-18 14:52:48,404 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-18 14:52:48,404 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-18 14:52:48,405 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-18 14:52:48,405 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-18 14:52:48,405 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-18 14:52:48,405 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-18 14:52:48,405 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-18 14:52:48,406 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-18 14:52:48,406 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-18 14:52:48,407 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-18 14:52:48,407 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-18 14:52:48,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 14:52:48,407 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-18 14:52:48,408 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-18 14:52:48,408 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-18 14:52:48,408 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-18 14:52:48,408 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-18 14:52:48,408 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-18 14:52:48,408 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-18 14:52:48,409 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-18 14:52:48,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-18 14:52:48,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-18 14:52:48,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-18 14:52:48,478 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-18 14:52:48,478 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-18 14:52:48,479 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl [2019-01-18 14:52:48,480 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl' [2019-01-18 14:52:48,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-18 14:52:48,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-18 14:52:48,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-18 14:52:48,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-18 14:52:48,533 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-18 14:52:48,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... [2019-01-18 14:52:48,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... [2019-01-18 14:52:48,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-18 14:52:48,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-18 14:52:48,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-18 14:52:48,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-18 14:52:48,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... [2019-01-18 14:52:48,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... [2019-01-18 14:52:48,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... [2019-01-18 14:52:48,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... [2019-01-18 14:52:48,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... [2019-01-18 14:52:48,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... [2019-01-18 14:52:48,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... [2019-01-18 14:52:48,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-18 14:52:48,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-18 14:52:48,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-18 14:52:48,636 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-18 14:52:48,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 14:52:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-18 14:52:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-18 14:52:49,741 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-18 14:52:49,742 INFO L286 CfgBuilder]: Removed 19 assue(true) statements. [2019-01-18 14:52:49,743 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 02:52:49 BoogieIcfgContainer [2019-01-18 14:52:49,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-18 14:52:49,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-18 14:52:49,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-18 14:52:49,748 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-18 14:52:49,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:52:48" (1/2) ... [2019-01-18 14:52:49,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238e59bb and model type speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 02:52:49, skipping insertion in model container [2019-01-18 14:52:49,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 02:52:49" (2/2) ... [2019-01-18 14:52:49,752 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-8-unlimited.bpl [2019-01-18 14:52:49,761 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-18 14:52:49,770 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-01-18 14:52:49,787 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-01-18 14:52:49,821 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-18 14:52:49,821 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-18 14:52:49,821 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-18 14:52:49,822 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-18 14:52:49,822 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-18 14:52:49,822 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-18 14:52:49,822 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-18 14:52:49,822 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-18 14:52:49,838 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-01-18 14:52:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-01-18 14:52:49,845 INFO L394 BasicCegarLoop]: Found error trace [2019-01-18 14:52:49,846 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-01-18 14:52:49,848 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-18 14:52:49,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 14:52:49,855 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-01-18 14:52:49,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-18 14:52:49,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:52:49,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 14:52:49,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:52:49,913 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-18 14:52:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 14:52:50,134 INFO L273 TraceCheckUtils]: 0: Hoare triple {22#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p5 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p6 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p7 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p8 := malloc_ptr;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0]; {24#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-18 14:52:50,140 INFO L273 TraceCheckUtils]: 1: Hoare triple {24#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {23#false} is VALID [2019-01-18 14:52:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 14:52:50,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-18 14:52:50,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-18 14:52:50,144 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-18 14:52:50,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-18 14:52:50,152 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-18 14:52:50,155 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-18 14:52:50,178 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-18 14:52:50,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-18 14:52:50,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-18 14:52:50,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-18 14:52:50,189 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-01-18 14:52:50,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:52:50,598 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2019-01-18 14:52:50,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-18 14:52:50,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-18 14:52:50,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-18 14:52:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-18 14:52:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2019-01-18 14:52:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-18 14:52:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2019-01-18 14:52:50,608 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 51 transitions. [2019-01-18 14:52:50,755 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-18 14:52:50,767 INFO L225 Difference]: With dead ends: 37 [2019-01-18 14:52:50,767 INFO L226 Difference]: Without dead ends: 32 [2019-01-18 14:52:50,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-18 14:52:50,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-18 14:52:50,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 18. [2019-01-18 14:52:50,840 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-18 14:52:50,841 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 18 states. [2019-01-18 14:52:50,842 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 18 states. [2019-01-18 14:52:50,842 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 18 states. [2019-01-18 14:52:50,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:52:50,849 INFO L93 Difference]: Finished difference Result 32 states and 46 transitions. [2019-01-18 14:52:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2019-01-18 14:52:50,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-18 14:52:50,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-18 14:52:50,851 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 32 states. [2019-01-18 14:52:50,851 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 32 states. [2019-01-18 14:52:50,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:52:50,855 INFO L93 Difference]: Finished difference Result 32 states and 46 transitions. [2019-01-18 14:52:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2019-01-18 14:52:50,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-18 14:52:50,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-18 14:52:50,857 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-18 14:52:50,857 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-18 14:52:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-01-18 14:52:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 33 transitions. [2019-01-18 14:52:50,862 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 33 transitions. Word has length 2 [2019-01-18 14:52:50,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-18 14:52:50,862 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 33 transitions. [2019-01-18 14:52:50,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-18 14:52:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2019-01-18 14:52:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-18 14:52:50,863 INFO L394 BasicCegarLoop]: Found error trace [2019-01-18 14:52:50,864 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-18 14:52:50,864 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-18 14:52:50,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 14:52:50,865 INFO L82 PathProgramCache]: Analyzing trace with hash 30818, now seen corresponding path program 1 times [2019-01-18 14:52:50,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-18 14:52:50,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:52:50,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 14:52:50,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:52:50,866 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-18 14:52:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 14:52:51,200 INFO L273 TraceCheckUtils]: 0: Hoare triple {150#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p5 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p6 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p7 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p8 := malloc_ptr;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0]; {152#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)))} is VALID [2019-01-18 14:52:51,201 INFO L273 TraceCheckUtils]: 1: Hoare triple {152#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)))} #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; {153#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-18 14:52:51,201 INFO L273 TraceCheckUtils]: 2: Hoare triple {153#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {151#false} is VALID [2019-01-18 14:52:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 14:52:51,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-18 14:52:51,202 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-18 14:52:51,203 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-18 14:52:51,206 INFO L207 CegarAbsIntRunner]: [0], [32], [35] [2019-01-18 14:52:51,256 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-18 14:52:51,257 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-18 14:52:56,018 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:52:56,018 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:52:56,019 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:52:56,020 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:52:56,020 WARN L224 ngHoareTripleChecker]: Pre: {2147483645#(forall ((v_idx_25 Int) (v_idx_26 Int) (v_idx_23 Int) (v_idx_24 Int) (v_idx_21 Int) (v_idx_22 Int) (v_idx_20 Int) (v_idx_18 Int) (v_idx_19 Int) (v_idx_27 Int) (v_idx_17 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (= (select |c_old(#valid)| v_idx_20) v_v_2_1) (or (<= c_ULTIMATE.start_main_p8 v_idx_25) (= v_v_106_1 (select |c_#memory_int| v_idx_25))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= (select |c_#valid| v_idx_21) v_v_82_1) (<= c_ULTIMATE.start_main_p8 v_idx_21)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_24)) (or (< v_idx_19 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_19) v_v_78_1)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_22) (= (select |c_#valid| v_idx_22) 1) (< v_idx_22 c_ULTIMATE.start_main_p8)) (or (< v_idx_23 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#valid| v_idx_23) v_v_84_1)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_27) v_v_108_1) (< v_idx_27 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_18 c_ULTIMATE.start_main_p8) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_18)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_18)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_26) (< v_idx_26 c_ULTIMATE.start_main_p8) (= (select |c_#memory_int| v_idx_26) 0)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_17) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_17)))))} [2019-01-18 14:52:56,020 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:52:56,021 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:52:56,021 WARN L230 ngHoareTripleChecker]: Post: {2147483644#(forall ((v_idx_36 Int) (v_idx_37 Int) (v_idx_34 Int) (v_idx_35 Int) (v_idx_32 Int) (v_idx_33 Int) (v_idx_30 Int) (v_idx_31 Int) (v_idx_29 Int) (v_idx_38 Int) (v_idx_28 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_33) (< v_idx_33 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_33))) (or (= v_v_76_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_28)) (<= c_ULTIMATE.start_main_p8 v_idx_28)) (or (= (select |c_#valid| v_idx_32) v_v_82_1) (<= c_ULTIMATE.start_main_p8 v_idx_32)) (or (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_30)) (< v_idx_30 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_37 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_37) (= (select |c_#memory_int| v_idx_37) (- 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_29)) (< v_idx_29 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_29)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_35)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#valid| v_idx_34) v_v_84_1) (< v_idx_34 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_38 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |c_#memory_int| v_idx_38))) (or (<= c_ULTIMATE.start_main_p8 v_idx_36) (= (select |c_#memory_int| v_idx_36) v_v_106_1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_31)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-18 14:52:56,021 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:52:56,329 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:52:56,329 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:52:56,652 WARN L270 ngHoareTripleChecker]: Pre: {2147483645#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_26 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_26) (< v_idx_26 ULTIMATE.start_main_p8) (= (select |#memory_int| v_idx_26) 0))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_22 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_22) (= (select |#valid| v_idx_22) 1) (< v_idx_22 ULTIMATE.start_main_p8))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_18 Int)) (or (< v_idx_18 ULTIMATE.start_main_p8) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_18)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_18))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:52:56,653 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:52:56,654 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:52:56,899 WARN L276 ngHoareTripleChecker]: Post: {2147483644#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_37 Int)) (or (< v_idx_37 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_37) (= (select |#memory_int| v_idx_37) (- 1)))) (forall ((v_idx_33 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_33) (< v_idx_33 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_33)))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_29 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_29)) (< v_idx_29 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_29))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:52:59,995 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:52:59,996 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:52:59,997 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:52:59,998 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:52:59,998 WARN L224 ngHoareTripleChecker]: Pre: {2147483643#(forall ((v_idx_47 Int) (v_idx_48 Int) (v_idx_45 Int) (v_idx_46 Int) (v_idx_43 Int) (v_idx_44 Int) (v_idx_41 Int) (v_idx_42 Int) (v_idx_40 Int) (v_idx_49 Int) (v_idx_39 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_48 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_48) (= 0 (select |c_#memory_int| v_idx_48))) (or (= (select |c_#valid| v_idx_45) v_v_84_1) (< v_idx_45 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_49 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#memory_int| v_idx_49) v_v_108_1)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_46)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_39) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_39) v_v_76_1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_40) 0) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_40) (< v_idx_40 c_ULTIMATE.start_main_p8)) (= v_v_2_1 (select |c_old(#valid)| v_idx_42)) (or (= v_v_106_1 (select |c_#memory_int| v_idx_47)) (<= c_ULTIMATE.start_main_p8 v_idx_47)) (or (< v_idx_41 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_41) v_v_78_1)) (or (< v_idx_44 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_44)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_44)) (or (<= c_ULTIMATE.start_main_p8 v_idx_43) (= (select |c_#valid| v_idx_43) v_v_82_1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-18 14:52:59,998 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:52:59,999 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:52:59,999 WARN L230 ngHoareTripleChecker]: Post: {2147483642#(forall ((v_idx_58 Int) (v_idx_59 Int) (v_idx_56 Int) (v_idx_57 Int) (v_idx_54 Int) (v_idx_55 Int) (v_idx_52 Int) (v_idx_53 Int) (v_idx_50 Int) (v_idx_51 Int) (v_idx_60 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_2_1 Int) (v_v_125_1 Int) (v_v_82_1 Int) (v_v_123_1 Int) (v_v_4_1 Int) (v_v_124_1 Int)) (and (or (< v_idx_51 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_51) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_51))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_56 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |c_#valid| v_idx_56))) (<= (+ v_v_124_1 1) 0) (<= (- v_v_124_1 (- v_v_124_1)) (- 2)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_2_1 (select |c_old(#valid)| v_idx_53)) (or (< v_idx_60 (+ c_ULTIMATE.start_main_p1 1)) (= v_v_125_1 (select |c_#memory_int| v_idx_60))) (or (<= c_ULTIMATE.start_main_p8 v_idx_54) (= v_v_82_1 (select |c_#valid| v_idx_54))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_59) v_v_124_1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_59) (< v_idx_59 c_ULTIMATE.start_main_p1)) (or (= v_v_123_1 (select |c_#memory_int| v_idx_58)) (<= c_ULTIMATE.start_main_p1 v_idx_58)) (or (< v_idx_52 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_52))) (= (select |c_old(#memory_int)| v_idx_57) v_v_4_1) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_50) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_50)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_55) (< v_idx_55 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_55))))))} [2019-01-18 14:52:59,999 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:53:00,719 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:53:00,720 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:53:01,044 WARN L270 ngHoareTripleChecker]: Pre: {2147483643#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_40 Int)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_40) 0) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_40) (< v_idx_40 ULTIMATE.start_main_p8))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_48 Int)) (or (< v_idx_48 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_48) (= 0 (select |#memory_int| v_idx_48)))) (forall ((v_idx_44 Int)) (or (< v_idx_44 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_44)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_44))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:53:01,044 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:53:01,045 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:53:01,136 WARN L276 ngHoareTripleChecker]: Post: {2147483642#(and (forall ((v_idx_59 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_59) (< v_idx_59 ULTIMATE.start_main_p1) (<= (+ (select |#memory_int| v_idx_59) 1) 0))) (forall ((v_prenex_1 Int)) (or (<= (+ (* 2 (select |#memory_int| v_prenex_1)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_1) (< v_prenex_1 ULTIMATE.start_main_p1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_55 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_55) (< v_idx_55 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_55)))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_51 Int)) (or (< v_idx_51 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_51) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_51)))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:53:04,797 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:53:04,797 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:53:04,798 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:53:04,798 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:53:04,798 WARN L224 ngHoareTripleChecker]: Pre: {2147483641#(or (forall ((v_idx_69 Int) (v_idx_67 Int) (v_idx_68 Int) (v_idx_65 Int) (v_idx_66 Int) (v_idx_63 Int) (v_idx_64 Int) (v_idx_61 Int) (v_idx_62 Int) (v_idx_70 Int) (v_idx_71 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= v_v_108_1 (select |c_#memory_int| v_idx_71)) (< v_idx_71 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_62) (< v_idx_62 c_ULTIMATE.start_main_p8) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_62) 0)) (or (<= c_ULTIMATE.start_main_p8 v_idx_69) (= v_v_106_1 (select |c_#memory_int| v_idx_69))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_61) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_61)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= (select |c_old(#memory_int)| v_idx_68) v_v_4_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_64)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_66) (< v_idx_66 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_66))) (or (< v_idx_67 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#valid| v_idx_67) v_v_84_1)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_70 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_70) (= 0 (select |c_#memory_int| v_idx_70))) (or (= (select |c_#valid| v_idx_65) v_v_82_1) (<= c_ULTIMATE.start_main_p8 v_idx_65)) (or (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_63)) (< v_idx_63 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_78 Int) (v_idx_79 Int) (v_idx_76 Int) (v_idx_77 Int) (v_idx_74 Int) (v_idx_75 Int) (v_idx_72 Int) (v_idx_73 Int) (v_idx_81 Int) (v_idx_82 Int) (v_idx_80 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_73) (< v_idx_73 c_ULTIMATE.start_main_p8) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_73) 0)) (or (< v_idx_82 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |c_#memory_int| v_idx_82))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_79)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_main_p8 v_idx_76) (= (select |c_#valid| v_idx_76) v_v_82_1)) (or (= v_v_106_1 (select |c_#memory_int| v_idx_80)) (<= c_ULTIMATE.start_main_p8 v_idx_80)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_72) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_72)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_74) v_v_78_1) (< v_idx_74 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_78 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#valid| v_idx_78) v_v_84_1)) (or (< v_idx_81 c_ULTIMATE.start_main_p8) (= (- 1) (select |c_#memory_int| v_idx_81)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_81)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_77) (< v_idx_77 c_ULTIMATE.start_main_p8) (= (select |c_#valid| v_idx_77) 1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_75)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-18 14:53:04,799 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:53:04,799 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:53:04,799 WARN L230 ngHoareTripleChecker]: Post: {2147483640#(or (forall ((v_idx_89 Int) (v_idx_87 Int) (v_idx_88 Int) (v_idx_85 Int) (v_idx_86 Int) (v_idx_83 Int) (v_idx_84 Int) (v_idx_92 Int) (v_idx_93 Int) (v_idx_90 Int) (v_idx_91 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= (select |c_#valid| v_idx_88) 1) (< v_idx_88 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_88)) (or (< v_idx_85 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_85))) (or (= (select |c_#memory_int| v_idx_92) (- 1)) (< v_idx_92 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_92)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_89 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#valid| v_idx_89) v_v_84_1)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_2_1 (select |c_old(#valid)| v_idx_86)) (or (= v_v_76_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_83)) (<= c_ULTIMATE.start_main_p8 v_idx_83)) (= (select |c_old(#memory_int)| v_idx_90) v_v_4_1) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_84)) (< v_idx_84 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_84)) (or (<= c_ULTIMATE.start_main_p8 v_idx_91) (= v_v_106_1 (select |c_#memory_int| v_idx_91))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_108_1 (select |c_#memory_int| v_idx_93)) (< v_idx_93 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_87) (= (select |c_#valid| v_idx_87) v_v_82_1))))) (forall ((v_idx_104 Int) (v_idx_102 Int) (v_idx_103 Int) (v_idx_98 Int) (v_idx_99 Int) (v_idx_96 Int) (v_idx_97 Int) (v_idx_94 Int) (v_idx_95 Int) (v_idx_100 Int) (v_idx_101 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= (select |c_#memory_int| v_idx_104) v_v_108_1) (< v_idx_104 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_main_p8 v_idx_102) (= (select |c_#memory_int| v_idx_102) v_v_106_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_main_p8 v_idx_98) (= (select |c_#valid| v_idx_98) v_v_82_1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_94) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_94)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_101)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#valid)| v_idx_97) v_v_2_1) (or (< v_idx_95 c_ULTIMATE.start_main_p8) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_95)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_95)) (or (= v_v_84_1 (select |c_#valid| v_idx_100)) (< v_idx_100 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_96 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_96) v_v_78_1)) (or (< v_idx_99 c_ULTIMATE.start_main_p8) (= (select |c_#valid| v_idx_99) 1) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_99)) (or (< v_idx_103 c_ULTIMATE.start_main_p8) (= (select |c_#memory_int| v_idx_103) (- 2)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_103)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-18 14:53:04,800 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:53:05,340 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:53:05,341 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:53:13,710 WARN L181 SmtUtils]: Spent 8.37 s on a formula simplification that was a NOOP. DAG size: 142 [2019-01-18 14:53:13,711 WARN L270 ngHoareTripleChecker]: Pre: {2147483641#(or (forall ((v_idx_69 Int) (v_idx_67 Int) (v_idx_68 Int) (v_idx_65 Int) (v_idx_66 Int) (v_idx_63 Int) (v_idx_64 Int) (v_idx_61 Int) (v_idx_62 Int) (v_idx_70 Int) (v_idx_71 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= v_v_108_1 (select |#memory_int| v_idx_71)) (< v_idx_71 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_62) (< v_idx_62 ULTIMATE.start_main_p8) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_62) 0)) (or (<= ULTIMATE.start_main_p8 v_idx_69) (= v_v_106_1 (select |#memory_int| v_idx_69))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_61) v_v_76_1) (<= ULTIMATE.start_main_p8 v_idx_61)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (= (select |old(#memory_int)| v_idx_68) v_v_4_1) (= v_v_2_1 (select |old(#valid)| v_idx_64)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_66) (< v_idx_66 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_66))) (or (< v_idx_67 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |#valid| v_idx_67) v_v_84_1)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_70 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_70) (= 0 (select |#memory_int| v_idx_70))) (or (= (select |#valid| v_idx_65) v_v_82_1) (<= ULTIMATE.start_main_p8 v_idx_65)) (or (= v_v_78_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_63)) (< v_idx_63 (+ ULTIMATE.start_malloc_ptr 1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_78 Int) (v_idx_79 Int) (v_idx_76 Int) (v_idx_77 Int) (v_idx_74 Int) (v_idx_75 Int) (v_idx_72 Int) (v_idx_73 Int) (v_idx_81 Int) (v_idx_82 Int) (v_idx_80 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_73) (< v_idx_73 ULTIMATE.start_main_p8) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_73) 0)) (or (< v_idx_82 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |#memory_int| v_idx_82))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (= v_v_4_1 (select |old(#memory_int)| v_idx_79)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_main_p8 v_idx_76) (= (select |#valid| v_idx_76) v_v_82_1)) (or (= v_v_106_1 (select |#memory_int| v_idx_80)) (<= ULTIMATE.start_main_p8 v_idx_80)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_72) v_v_76_1) (<= ULTIMATE.start_main_p8 v_idx_72)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_74) v_v_78_1) (< v_idx_74 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_78 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |#valid| v_idx_78) v_v_84_1)) (or (< v_idx_81 ULTIMATE.start_main_p8) (= (- 1) (select |#memory_int| v_idx_81)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_81)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_77) (< v_idx_77 ULTIMATE.start_main_p8) (= (select |#valid| v_idx_77) 1)) (= v_v_2_1 (select |old(#valid)| v_idx_75)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-18 14:53:13,711 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:53:13,712 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:53:21,875 WARN L181 SmtUtils]: Spent 8.16 s on a formula simplification that was a NOOP. DAG size: 143 [2019-01-18 14:53:21,875 WARN L276 ngHoareTripleChecker]: Post: {2147483640#(or (forall ((v_idx_89 Int) (v_idx_87 Int) (v_idx_88 Int) (v_idx_85 Int) (v_idx_86 Int) (v_idx_83 Int) (v_idx_84 Int) (v_idx_92 Int) (v_idx_93 Int) (v_idx_90 Int) (v_idx_91 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= (select |#valid| v_idx_88) 1) (< v_idx_88 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_88)) (or (< v_idx_85 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_78_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_85))) (or (= (select |#memory_int| v_idx_92) (- 1)) (< v_idx_92 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_92)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (< v_idx_89 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |#valid| v_idx_89) v_v_84_1)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (= v_v_2_1 (select |old(#valid)| v_idx_86)) (or (= v_v_76_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_83)) (<= ULTIMATE.start_main_p8 v_idx_83)) (= (select |old(#memory_int)| v_idx_90) v_v_4_1) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_84)) (< v_idx_84 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_84)) (or (<= ULTIMATE.start_main_p8 v_idx_91) (= v_v_106_1 (select |#memory_int| v_idx_91))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_108_1 (select |#memory_int| v_idx_93)) (< v_idx_93 (+ ULTIMATE.start_malloc_ptr 1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (<= ULTIMATE.start_main_p8 v_idx_87) (= (select |#valid| v_idx_87) v_v_82_1))))) (forall ((v_idx_104 Int) (v_idx_102 Int) (v_idx_103 Int) (v_idx_98 Int) (v_idx_99 Int) (v_idx_96 Int) (v_idx_97 Int) (v_idx_94 Int) (v_idx_95 Int) (v_idx_100 Int) (v_idx_101 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= (select |#memory_int| v_idx_104) v_v_108_1) (< v_idx_104 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= ULTIMATE.start_main_p8 v_idx_102) (= (select |#memory_int| v_idx_102) v_v_106_1)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_main_p8 v_idx_98) (= (select |#valid| v_idx_98) v_v_82_1)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_94) v_v_76_1) (<= ULTIMATE.start_main_p8 v_idx_94)) (= v_v_4_1 (select |old(#memory_int)| v_idx_101)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= (select |old(#valid)| v_idx_97) v_v_2_1) (or (< v_idx_95 ULTIMATE.start_main_p8) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_95)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_95)) (or (= v_v_84_1 (select |#valid| v_idx_100)) (< v_idx_100 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_96 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_96) v_v_78_1)) (or (< v_idx_99 ULTIMATE.start_main_p8) (= (select |#valid| v_idx_99) 1) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_99)) (or (< v_idx_103 ULTIMATE.start_main_p8) (= (select |#memory_int| v_idx_103) (- 2)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_103)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-18 14:53:35,425 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:53:35,426 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:53:35,426 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:53:35,426 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:53:35,426 WARN L224 ngHoareTripleChecker]: Pre: {2147483639#(or (forall ((v_idx_126 Int) (v_idx_116 Int) (v_idx_124 Int) (v_idx_125 Int) (v_idx_119 Int) (v_idx_117 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_118 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_118) v_v_78_1)) (or (< v_idx_122 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |c_#valid| v_idx_122))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_116) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_116)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_125) (< v_idx_125 c_ULTIMATE.start_main_p8) (= (- 1) (select |c_#memory_int| v_idx_125))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_123)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_1 (select |c_old(#valid)| v_idx_119)) (or (< v_idx_126 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |c_#memory_int| v_idx_126))) (or (= 1 (select |c_#valid| v_idx_121)) (< v_idx_121 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_121)) (or (< v_idx_117 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_117) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_117))) (or (= (select |c_#memory_int| v_idx_124) v_v_106_1) (<= c_ULTIMATE.start_main_p8 v_idx_124)) (or (<= c_ULTIMATE.start_main_p8 v_idx_120) (= v_v_82_1 (select |c_#valid| v_idx_120))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_115 Int) (v_idx_105 Int) (v_idx_113 Int) (v_idx_114 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_111 Int) (v_idx_112 Int) (v_idx_110 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_110 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_110) (= 1 (select |c_#valid| v_idx_110))) (or (= (select |c_#memory_int| v_idx_114) 0) (< v_idx_114 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_114)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_107 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_107))) (or (= v_v_84_1 (select |c_#valid| v_idx_111)) (< v_idx_111 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_115 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |c_#memory_int| v_idx_115))) (or (< v_idx_106 c_ULTIMATE.start_main_p8) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_106) 0) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_106)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_105) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_105)) (= v_v_2_1 (select |c_old(#valid)| v_idx_108)) (or (= (select |c_#memory_int| v_idx_113) v_v_106_1) (<= c_ULTIMATE.start_main_p8 v_idx_113)) (or (<= c_ULTIMATE.start_main_p8 v_idx_109) (= v_v_82_1 (select |c_#valid| v_idx_109))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_112))))))} [2019-01-18 14:53:35,427 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:53:35,427 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:53:35,427 WARN L230 ngHoareTripleChecker]: Post: {2147483638#(forall ((v_idx_137 Int) (v_idx_127 Int) (v_idx_135 Int) (v_idx_136 Int) (v_idx_128 Int) (v_idx_129 Int) (v_idx_130 Int) (v_idx_133 Int) (v_idx_134 Int) (v_idx_131 Int) (v_idx_132 Int)) (exists ((v_v_78_1 Int) (v_v_441_1 Int) (v_v_440_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_442_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= (select |c_#memory_int| v_idx_135) v_v_440_1) (<= c_ULTIMATE.start_main_p1 v_idx_135)) (<= (- v_v_441_1 (- v_v_441_1)) (- 2)) (or (= 1 (select |c_#valid| v_idx_132)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_132) (< v_idx_132 c_ULTIMATE.start_main_p8)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_127) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_127)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= (select |c_old(#valid)| v_idx_130) v_v_2_1) (<= (+ v_v_441_1 1) 0) (or (< v_idx_128 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_128) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_128))) (or (< v_idx_136 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_136) (= (select |c_#memory_int| v_idx_136) v_v_441_1)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_133 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |c_#valid| v_idx_133))) (or (= (select |c_#memory_int| v_idx_137) v_v_442_1) (< v_idx_137 (+ c_ULTIMATE.start_main_p1 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_129) v_v_78_1) (< v_idx_129 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= v_v_82_1 (select |c_#valid| v_idx_131)) (<= c_ULTIMATE.start_main_p8 v_idx_131)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (= (select |c_old(#memory_int)| v_idx_134) v_v_4_1))))} [2019-01-18 14:53:35,427 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:53:36,026 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:53:36,027 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:53:44,347 WARN L181 SmtUtils]: Spent 8.32 s on a formula simplification that was a NOOP. DAG size: 142 [2019-01-18 14:53:44,348 WARN L270 ngHoareTripleChecker]: Pre: {2147483639#(or (forall ((v_idx_126 Int) (v_idx_116 Int) (v_idx_124 Int) (v_idx_125 Int) (v_idx_119 Int) (v_idx_117 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_118 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_118) v_v_78_1)) (or (< v_idx_122 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |#valid| v_idx_122))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_116) v_v_76_1) (<= ULTIMATE.start_main_p8 v_idx_116)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_125) (< v_idx_125 ULTIMATE.start_main_p8) (= (- 1) (select |#memory_int| v_idx_125))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (= v_v_4_1 (select |old(#memory_int)| v_idx_123)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_1 (select |old(#valid)| v_idx_119)) (or (< v_idx_126 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |#memory_int| v_idx_126))) (or (= 1 (select |#valid| v_idx_121)) (< v_idx_121 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_121)) (or (< v_idx_117 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_117) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_117))) (or (= (select |#memory_int| v_idx_124) v_v_106_1) (<= ULTIMATE.start_main_p8 v_idx_124)) (or (<= ULTIMATE.start_main_p8 v_idx_120) (= v_v_82_1 (select |#valid| v_idx_120))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_115 Int) (v_idx_105 Int) (v_idx_113 Int) (v_idx_114 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_111 Int) (v_idx_112 Int) (v_idx_110 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (< v_idx_110 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_110) (= 1 (select |#valid| v_idx_110))) (or (= (select |#memory_int| v_idx_114) 0) (< v_idx_114 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_114)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (< v_idx_107 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_78_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_107))) (or (= v_v_84_1 (select |#valid| v_idx_111)) (< v_idx_111 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_115 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |#memory_int| v_idx_115))) (or (< v_idx_106 ULTIMATE.start_main_p8) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_106) 0) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_106)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_105) v_v_76_1) (<= ULTIMATE.start_main_p8 v_idx_105)) (= v_v_2_1 (select |old(#valid)| v_idx_108)) (or (= (select |#memory_int| v_idx_113) v_v_106_1) (<= ULTIMATE.start_main_p8 v_idx_113)) (or (<= ULTIMATE.start_main_p8 v_idx_109) (= v_v_82_1 (select |#valid| v_idx_109))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (= v_v_4_1 (select |old(#memory_int)| v_idx_112))))))} [2019-01-18 14:53:44,348 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:53:44,348 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:53:44,507 WARN L276 ngHoareTripleChecker]: Post: {2147483638#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_136 Int)) (or (<= (+ (* 2 (select |#memory_int| v_idx_136)) 2) 0) (< v_idx_136 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_136))) (forall ((v_idx_132 Int)) (or (= 1 (select |#valid| v_idx_132)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_132) (< v_idx_132 ULTIMATE.start_main_p8))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_prenex_2 Int)) (or (<= (+ (select |#memory_int| v_prenex_2) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_2) (< v_prenex_2 ULTIMATE.start_main_p1))) (forall ((v_idx_128 Int)) (or (< v_idx_128 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_128) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_128)))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:53:47,606 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:53:47,606 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:53:47,606 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:53:47,607 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:53:47,607 WARN L224 ngHoareTripleChecker]: Pre: {2147483637#(or (forall ((v_idx_148 Int) (v_idx_138 Int) (v_idx_146 Int) (v_idx_147 Int) (v_idx_139 Int) (v_idx_140 Int) (v_idx_141 Int) (v_idx_144 Int) (v_idx_145 Int) (v_idx_142 Int) (v_idx_143 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (= v_v_4_1 (select |c_old(#memory_int)| v_idx_145)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= c_ULTIMATE.start_main_p8 v_idx_146) (= (select |c_#memory_int| v_idx_146) v_v_106_1)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_82_1 (select |c_#valid| v_idx_142)) (<= c_ULTIMATE.start_main_p8 v_idx_142)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_140) v_v_78_1) (< v_idx_140 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= (select |c_#memory_int| v_idx_148) v_v_108_1) (< v_idx_148 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_143 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_143) (= 1 (select |c_#valid| v_idx_143))) (or (= v_v_84_1 (select |c_#valid| v_idx_144)) (< v_idx_144 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_139)) (< v_idx_139 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_139)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_147 c_ULTIMATE.start_main_p8) (= (select |c_#memory_int| v_idx_147) (- 2)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_147)) (= (select |c_old(#valid)| v_idx_141) v_v_2_1) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_138) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_138))))) (forall ((v_idx_159 Int) (v_idx_149 Int) (v_idx_157 Int) (v_idx_158 Int) (v_idx_151 Int) (v_idx_152 Int) (v_idx_150 Int) (v_idx_155 Int) (v_idx_156 Int) (v_idx_153 Int) (v_idx_154 Int)) (exists ((v_v_433_1 Int) (v_v_436_1 Int) (v_v_435_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_438_1 Int) (v_v_437_1 Int) (v_v_439_1 Int) (v_v_429_1 Int)) (and (= v_v_439_1 (select |c_old(#memory_int)| v_idx_159)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_433_1 (select |c_#valid| v_idx_153)) (<= c_ULTIMATE.start_main_p8 v_idx_153)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (<= (- v_v_437_1 (- v_v_437_1)) 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_154) (= 1 (select |c_#valid| v_idx_154)) (< v_idx_154 c_ULTIMATE.start_main_p8)) (or (< v_idx_158 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#memory_int| v_idx_158) v_v_438_1)) (or (= v_v_435_1 (select |c_#valid| v_idx_155)) (< v_idx_155 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_150 c_ULTIMATE.start_main_p8) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_150)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_150)) (or (< v_idx_151 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_151) v_v_431_1)) (= v_v_432_1 (select |c_old(#valid)| v_idx_152)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_149) (= v_v_429_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_149))) (or (= v_v_436_1 (select |c_#memory_int| v_idx_156)) (<= c_ULTIMATE.start_main_p8 v_idx_156)) (<= v_v_437_1 0) (or (= (select |c_#memory_int| v_idx_157) v_v_437_1) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_157) (< v_idx_157 c_ULTIMATE.start_main_p8)) (<= 0 (+ v_v_437_1 1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (<= (- (- v_v_437_1) v_v_437_1) 2)))))} [2019-01-18 14:53:47,607 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:53:47,607 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:53:47,609 WARN L230 ngHoareTripleChecker]: Post: {2147483636#(or (forall ((v_idx_168 Int) (v_idx_169 Int) (v_idx_170 Int) (v_idx_162 Int) (v_idx_163 Int) (v_idx_160 Int) (v_idx_161 Int) (v_idx_166 Int) (v_idx_167 Int) (v_idx_164 Int) (v_idx_165 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (<= c_ULTIMATE.start_main_p8 v_idx_160) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_160) v_v_76_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_108_1 (select |c_#memory_int| v_idx_170)) (< v_idx_170 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_162 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_162) v_v_78_1)) (or (< v_idx_169 c_ULTIMATE.start_main_p8) (= (- 3) (select |c_#memory_int| v_idx_169)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_169)) (or (= 1 (select |c_#valid| v_idx_165)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_165) (< v_idx_165 c_ULTIMATE.start_main_p8)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#memory_int| v_idx_168) v_v_106_1) (<= c_ULTIMATE.start_main_p8 v_idx_168)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#memory_int)| v_idx_167) v_v_4_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_163)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_161)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_161) (< v_idx_161 c_ULTIMATE.start_main_p8)) (or (= v_v_84_1 (select |c_#valid| v_idx_166)) (< v_idx_166 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_main_p8 v_idx_164) (= v_v_82_1 (select |c_#valid| v_idx_164)))))) (forall ((v_idx_179 Int) (v_idx_180 Int) (v_idx_181 Int) (v_idx_173 Int) (v_idx_174 Int) (v_idx_171 Int) (v_idx_172 Int) (v_idx_177 Int) (v_idx_178 Int) (v_idx_175 Int) (v_idx_176 Int)) (exists ((v_v_433_1 Int) (v_v_436_1 Int) (v_v_435_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_483_1 Int) (v_v_438_1 Int) (v_v_429_1 Int) (v_v_439_1 Int)) (and (<= 0 (+ v_v_483_1 2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= (select |c_#memory_int| v_idx_181) v_v_438_1) (< v_idx_181 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_177 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_435_1 (select |c_#valid| v_idx_177))) (<= (- v_v_483_1 (- v_v_483_1)) (- 2)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_429_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_171)) (<= c_ULTIMATE.start_main_p8 v_idx_171)) (= v_v_439_1 (select |c_old(#memory_int)| v_idx_178)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_172) 0) (< v_idx_172 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_172)) (<= (- (- v_v_483_1) v_v_483_1) 4) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_173) v_v_431_1) (< v_idx_173 (+ c_ULTIMATE.start_malloc_ptr 1))) (= v_v_432_1 (select |c_old(#valid)| v_idx_174)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_175) (= v_v_433_1 (select |c_#valid| v_idx_175))) (<= (+ v_v_483_1 1) 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_176) (< v_idx_176 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_176))) (or (< v_idx_180 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_180) (= (select |c_#memory_int| v_idx_180) v_v_483_1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_179) (= v_v_436_1 (select |c_#memory_int| v_idx_179)))))))} [2019-01-18 14:53:47,609 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:53:48,089 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:53:48,090 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:53:56,423 WARN L181 SmtUtils]: Spent 8.33 s on a formula simplification that was a NOOP. DAG size: 160 [2019-01-18 14:53:56,424 WARN L270 ngHoareTripleChecker]: Pre: {2147483637#(or (forall ((v_idx_148 Int) (v_idx_138 Int) (v_idx_146 Int) (v_idx_147 Int) (v_idx_139 Int) (v_idx_140 Int) (v_idx_141 Int) (v_idx_144 Int) (v_idx_145 Int) (v_idx_142 Int) (v_idx_143 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (= v_v_4_1 (select |old(#memory_int)| v_idx_145)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (<= ULTIMATE.start_main_p8 v_idx_146) (= (select |#memory_int| v_idx_146) v_v_106_1)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= v_v_82_1 (select |#valid| v_idx_142)) (<= ULTIMATE.start_main_p8 v_idx_142)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_140) v_v_78_1) (< v_idx_140 (+ ULTIMATE.start_malloc_ptr 1))) (or (= (select |#memory_int| v_idx_148) v_v_108_1) (< v_idx_148 (+ ULTIMATE.start_malloc_ptr 1))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_143 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_143) (= 1 (select |#valid| v_idx_143))) (or (= v_v_84_1 (select |#valid| v_idx_144)) (< v_idx_144 (+ ULTIMATE.start_malloc_ptr 1))) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_139)) (< v_idx_139 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_139)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_147 ULTIMATE.start_main_p8) (= (select |#memory_int| v_idx_147) (- 2)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_147)) (= (select |old(#valid)| v_idx_141) v_v_2_1) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_138) v_v_76_1) (<= ULTIMATE.start_main_p8 v_idx_138))))) (forall ((v_idx_159 Int) (v_idx_149 Int) (v_idx_157 Int) (v_idx_158 Int) (v_idx_151 Int) (v_idx_152 Int) (v_idx_150 Int) (v_idx_155 Int) (v_idx_156 Int) (v_idx_153 Int) (v_idx_154 Int)) (exists ((v_v_433_1 Int) (v_v_436_1 Int) (v_v_435_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_438_1 Int) (v_v_437_1 Int) (v_v_439_1 Int) (v_v_429_1 Int)) (and (= v_v_439_1 (select |old(#memory_int)| v_idx_159)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= v_v_433_1 (select |#valid| v_idx_153)) (<= ULTIMATE.start_main_p8 v_idx_153)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (<= (- v_v_437_1 (- v_v_437_1)) 0) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_154) (= 1 (select |#valid| v_idx_154)) (< v_idx_154 ULTIMATE.start_main_p8)) (or (< v_idx_158 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |#memory_int| v_idx_158) v_v_438_1)) (or (= v_v_435_1 (select |#valid| v_idx_155)) (< v_idx_155 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_150 ULTIMATE.start_main_p8) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_150)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_150)) (or (< v_idx_151 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_151) v_v_431_1)) (= v_v_432_1 (select |old(#valid)| v_idx_152)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= ULTIMATE.start_main_p8 v_idx_149) (= v_v_429_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_149))) (or (= v_v_436_1 (select |#memory_int| v_idx_156)) (<= ULTIMATE.start_main_p8 v_idx_156)) (<= v_v_437_1 0) (or (= (select |#memory_int| v_idx_157) v_v_437_1) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_157) (< v_idx_157 ULTIMATE.start_main_p8)) (<= 0 (+ v_v_437_1 1)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- v_v_437_1) v_v_437_1) 2)))))} [2019-01-18 14:53:56,424 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:53:56,424 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:54:04,723 WARN L181 SmtUtils]: Spent 8.30 s on a formula simplification that was a NOOP. DAG size: 163 [2019-01-18 14:54:04,723 WARN L276 ngHoareTripleChecker]: Post: {2147483636#(or (forall ((v_idx_168 Int) (v_idx_169 Int) (v_idx_170 Int) (v_idx_162 Int) (v_idx_163 Int) (v_idx_160 Int) (v_idx_161 Int) (v_idx_166 Int) (v_idx_167 Int) (v_idx_164 Int) (v_idx_165 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (<= ULTIMATE.start_main_p8 v_idx_160) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_160) v_v_76_1)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= v_v_108_1 (select |#memory_int| v_idx_170)) (< v_idx_170 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_162 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_162) v_v_78_1)) (or (< v_idx_169 ULTIMATE.start_main_p8) (= (- 3) (select |#memory_int| v_idx_169)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_169)) (or (= 1 (select |#valid| v_idx_165)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_165) (< v_idx_165 ULTIMATE.start_main_p8)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= (select |#memory_int| v_idx_168) v_v_106_1) (<= ULTIMATE.start_main_p8 v_idx_168)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= (select |old(#memory_int)| v_idx_167) v_v_4_1) (= v_v_2_1 (select |old(#valid)| v_idx_163)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_161)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_161) (< v_idx_161 ULTIMATE.start_main_p8)) (or (= v_v_84_1 (select |#valid| v_idx_166)) (< v_idx_166 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= ULTIMATE.start_main_p8 v_idx_164) (= v_v_82_1 (select |#valid| v_idx_164)))))) (forall ((v_idx_179 Int) (v_idx_180 Int) (v_idx_181 Int) (v_idx_173 Int) (v_idx_174 Int) (v_idx_171 Int) (v_idx_172 Int) (v_idx_177 Int) (v_idx_178 Int) (v_idx_175 Int) (v_idx_176 Int)) (exists ((v_v_433_1 Int) (v_v_436_1 Int) (v_v_435_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_483_1 Int) (v_v_438_1 Int) (v_v_429_1 Int) (v_v_439_1 Int)) (and (<= 0 (+ v_v_483_1 2)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= (select |#memory_int| v_idx_181) v_v_438_1) (< v_idx_181 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_177 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_435_1 (select |#valid| v_idx_177))) (<= (- v_v_483_1 (- v_v_483_1)) (- 2)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= v_v_429_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_171)) (<= ULTIMATE.start_main_p8 v_idx_171)) (= v_v_439_1 (select |old(#memory_int)| v_idx_178)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_172) 0) (< v_idx_172 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_172)) (<= (- (- v_v_483_1) v_v_483_1) 4) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_173) v_v_431_1) (< v_idx_173 (+ ULTIMATE.start_malloc_ptr 1))) (= v_v_432_1 (select |old(#valid)| v_idx_174)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= ULTIMATE.start_main_p8 v_idx_175) (= v_v_433_1 (select |#valid| v_idx_175))) (<= (+ v_v_483_1 1) 0) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_176) (< v_idx_176 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_176))) (or (< v_idx_180 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_180) (= (select |#memory_int| v_idx_180) v_v_483_1)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (<= ULTIMATE.start_main_p8 v_idx_179) (= v_v_436_1 (select |#memory_int| v_idx_179)))))))} [2019-01-18 14:54:16,814 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:54:16,814 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:54:16,815 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:54:16,815 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:54:16,816 WARN L224 ngHoareTripleChecker]: Pre: {2147483635#(or (forall ((v_idx_203 Int) (v_idx_201 Int) (v_idx_202 Int) (v_idx_195 Int) (v_idx_196 Int) (v_idx_193 Int) (v_idx_194 Int) (v_idx_199 Int) (v_idx_200 Int) (v_idx_197 Int) (v_idx_198 Int)) (exists ((v_v_433_1 Int) (v_v_436_1 Int) (v_v_435_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_438_1 Int) (v_v_437_1 Int) (v_v_439_1 Int) (v_v_429_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (= v_v_432_1 (select |c_old(#valid)| v_idx_196)) (or (= v_v_436_1 (select |c_#memory_int| v_idx_200)) (<= c_ULTIMATE.start_main_p8 v_idx_200)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (<= (- v_v_437_1 (- v_v_437_1)) 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_201) (= v_v_437_1 (select |c_#memory_int| v_idx_201)) (< v_idx_201 c_ULTIMATE.start_main_p8)) (or (= v_v_431_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_195)) (< v_idx_195 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#memory_int)| v_idx_203) v_v_439_1) (or (= v_v_429_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_193)) (<= c_ULTIMATE.start_main_p8 v_idx_193)) (or (= v_v_433_1 (select |c_#valid| v_idx_197)) (<= c_ULTIMATE.start_main_p8 v_idx_197)) (<= v_v_437_1 0) (or (= 1 (select |c_#valid| v_idx_198)) (< v_idx_198 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_198)) (<= 0 (+ v_v_437_1 1)) (or (< v_idx_202 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_438_1 (select |c_#memory_int| v_idx_202))) (or (= v_v_435_1 (select |c_#valid| v_idx_199)) (< v_idx_199 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_194 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_194) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_194))) (<= (- (- v_v_437_1) v_v_437_1) 2)))) (forall ((v_idx_191 Int) (v_idx_192 Int) (v_idx_190 Int) (v_idx_184 Int) (v_idx_185 Int) (v_idx_182 Int) (v_idx_183 Int) (v_idx_188 Int) (v_idx_189 Int) (v_idx_186 Int) (v_idx_187 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_188 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |c_#valid| v_idx_188))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_2_1 (select |c_old(#valid)| v_idx_185)) (or (= v_v_76_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_182)) (<= c_ULTIMATE.start_main_p8 v_idx_182)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_183) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_183)) (< v_idx_183 c_ULTIMATE.start_main_p8)) (or (< v_idx_191 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_191) (= (select |c_#memory_int| v_idx_191) (- 2))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_187) (= 1 (select |c_#valid| v_idx_187)) (< v_idx_187 c_ULTIMATE.start_main_p8)) (or (<= c_ULTIMATE.start_main_p8 v_idx_186) (= v_v_82_1 (select |c_#valid| v_idx_186))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_192 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#memory_int| v_idx_192) v_v_108_1)) (= (select |c_old(#memory_int)| v_idx_189) v_v_4_1) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_184) v_v_78_1) (< v_idx_184 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_106_1 (select |c_#memory_int| v_idx_190)) (<= c_ULTIMATE.start_main_p8 v_idx_190))))))} [2019-01-18 14:54:16,816 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:54:16,816 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:54:16,816 WARN L230 ngHoareTripleChecker]: Post: {2147483634#(forall ((v_idx_214 Int) (v_idx_204 Int) (v_idx_212 Int) (v_idx_213 Int) (v_idx_207 Int) (v_idx_208 Int) (v_idx_205 Int) (v_idx_206 Int) (v_idx_209 Int) (v_idx_210 Int) (v_idx_211 Int)) (exists ((v_v_815_1 Int) (v_v_78_1 Int) (v_v_816_1 Int) (v_v_817_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_213 c_ULTIMATE.start_main_p1) (= v_v_816_1 (select |c_#memory_int| v_idx_213)) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_213)) (or (<= c_ULTIMATE.start_main_p1 v_idx_212) (= v_v_815_1 (select |c_#memory_int| v_idx_212))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= (- v_v_816_1 (- v_v_816_1)) (- 2)) (or (<= c_ULTIMATE.start_main_p8 v_idx_204) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_204) v_v_76_1)) (or (< v_idx_210 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |c_#valid| v_idx_210))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_209) (< v_idx_209 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_209))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_205)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_205) (< v_idx_205 c_ULTIMATE.start_main_p8)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_206)) (< v_idx_206 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (+ v_v_816_1 1) 0) (or (= v_v_817_1 (select |c_#memory_int| v_idx_214)) (< v_idx_214 (+ c_ULTIMATE.start_main_p1 1))) (= v_v_2_1 (select |c_old(#valid)| v_idx_207)) (or (<= c_ULTIMATE.start_main_p8 v_idx_208) (= v_v_82_1 (select |c_#valid| v_idx_208))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_211)))))} [2019-01-18 14:54:16,816 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:54:17,535 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:54:17,535 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:54:25,791 WARN L181 SmtUtils]: Spent 8.25 s on a formula simplification that was a NOOP. DAG size: 160 [2019-01-18 14:54:25,791 WARN L270 ngHoareTripleChecker]: Pre: {2147483635#(or (forall ((v_idx_203 Int) (v_idx_201 Int) (v_idx_202 Int) (v_idx_195 Int) (v_idx_196 Int) (v_idx_193 Int) (v_idx_194 Int) (v_idx_199 Int) (v_idx_200 Int) (v_idx_197 Int) (v_idx_198 Int)) (exists ((v_v_433_1 Int) (v_v_436_1 Int) (v_v_435_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_438_1 Int) (v_v_437_1 Int) (v_v_439_1 Int) (v_v_429_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (= v_v_432_1 (select |old(#valid)| v_idx_196)) (or (= v_v_436_1 (select |#memory_int| v_idx_200)) (<= ULTIMATE.start_main_p8 v_idx_200)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (<= (- v_v_437_1 (- v_v_437_1)) 0) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_201) (= v_v_437_1 (select |#memory_int| v_idx_201)) (< v_idx_201 ULTIMATE.start_main_p8)) (or (= v_v_431_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_195)) (< v_idx_195 (+ ULTIMATE.start_malloc_ptr 1))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= (select |old(#memory_int)| v_idx_203) v_v_439_1) (or (= v_v_429_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_193)) (<= ULTIMATE.start_main_p8 v_idx_193)) (or (= v_v_433_1 (select |#valid| v_idx_197)) (<= ULTIMATE.start_main_p8 v_idx_197)) (<= v_v_437_1 0) (or (= 1 (select |#valid| v_idx_198)) (< v_idx_198 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_198)) (<= 0 (+ v_v_437_1 1)) (or (< v_idx_202 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_438_1 (select |#memory_int| v_idx_202))) (or (= v_v_435_1 (select |#valid| v_idx_199)) (< v_idx_199 (+ ULTIMATE.start_malloc_ptr 1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_194 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_194) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_194))) (<= (- (- v_v_437_1) v_v_437_1) 2)))) (forall ((v_idx_191 Int) (v_idx_192 Int) (v_idx_190 Int) (v_idx_184 Int) (v_idx_185 Int) (v_idx_182 Int) (v_idx_183 Int) (v_idx_188 Int) (v_idx_189 Int) (v_idx_186 Int) (v_idx_187 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (< v_idx_188 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |#valid| v_idx_188))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (= v_v_2_1 (select |old(#valid)| v_idx_185)) (or (= v_v_76_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_182)) (<= ULTIMATE.start_main_p8 v_idx_182)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_183) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_183)) (< v_idx_183 ULTIMATE.start_main_p8)) (or (< v_idx_191 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_191) (= (select |#memory_int| v_idx_191) (- 2))) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_187) (= 1 (select |#valid| v_idx_187)) (< v_idx_187 ULTIMATE.start_main_p8)) (or (<= ULTIMATE.start_main_p8 v_idx_186) (= v_v_82_1 (select |#valid| v_idx_186))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_192 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |#memory_int| v_idx_192) v_v_108_1)) (= (select |old(#memory_int)| v_idx_189) v_v_4_1) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_184) v_v_78_1) (< v_idx_184 (+ ULTIMATE.start_malloc_ptr 1))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (= v_v_106_1 (select |#memory_int| v_idx_190)) (<= ULTIMATE.start_main_p8 v_idx_190))))))} [2019-01-18 14:54:25,792 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:54:25,792 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:54:25,977 WARN L276 ngHoareTripleChecker]: Post: {2147483634#(and (forall ((v_prenex_3 Int)) (or (<= (+ (select |#memory_int| v_prenex_3) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_3) (< v_prenex_3 ULTIMATE.start_main_p1))) (forall ((v_idx_209 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_209) (< v_idx_209 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_209)))) (forall ((v_idx_205 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_205)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_205) (< v_idx_205 ULTIMATE.start_main_p8))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_213 Int)) (or (< v_idx_213 ULTIMATE.start_main_p1) (<= (+ (* 2 (select |#memory_int| v_idx_213)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_213))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:54:29,131 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:54:29,131 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:54:29,131 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:54:29,131 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:54:29,132 WARN L224 ngHoareTripleChecker]: Pre: {2147483633#(or (forall ((v_idx_225 Int) (v_idx_215 Int) (v_idx_223 Int) (v_idx_224 Int) (v_idx_218 Int) (v_idx_219 Int) (v_idx_216 Int) (v_idx_217 Int) (v_idx_221 Int) (v_idx_222 Int) (v_idx_220 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_220 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_220) (= 1 (select |c_#valid| v_idx_220))) (= v_v_2_1 (select |c_old(#valid)| v_idx_218)) (or (< v_idx_217 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_217) v_v_78_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_84_1 (select |c_#valid| v_idx_221)) (< v_idx_221 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_225 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |c_#memory_int| v_idx_225))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_215) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_215)) (or (= v_v_106_1 (select |c_#memory_int| v_idx_223)) (<= c_ULTIMATE.start_main_p8 v_idx_223)) (or (< v_idx_216 c_ULTIMATE.start_main_p8) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_216) 0) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_216)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_224) (< v_idx_224 c_ULTIMATE.start_main_p8) (= (- 2) (select |c_#memory_int| v_idx_224))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_222)) (or (= v_v_82_1 (select |c_#valid| v_idx_219)) (<= c_ULTIMATE.start_main_p8 v_idx_219)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_236 Int) (v_idx_226 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_229 Int) (v_idx_227 Int) (v_idx_228 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_230 Int) (v_idx_231 Int)) (exists ((v_v_804_1 Int) (v_v_806_1 Int) (v_v_807_1 Int) (v_v_811_1 Int) (v_v_812_1 Int) (v_v_813_1 Int) (v_v_814_1 Int) (v_v_810_1 Int) (v_v_808_1 Int)) (and (= v_v_814_1 (select |c_old(#memory_int)| v_idx_236)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= 1 (select |c_#valid| v_idx_231)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_231) (< v_idx_231 c_ULTIMATE.start_main_p8)) (or (<= c_ULTIMATE.start_main_p8 v_idx_226) (= v_v_804_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_226))) (<= (- v_v_812_1 (- v_v_812_1)) 0) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (<= (- (- v_v_812_1) v_v_812_1) 6) (or (< v_idx_228 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_806_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_228))) (<= 0 (+ v_v_812_1 3)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_227) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_227)) (< v_idx_227 c_ULTIMATE.start_main_p8)) (<= v_v_812_1 0) (or (= v_v_813_1 (select |c_#memory_int| v_idx_235)) (< v_idx_235 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_232 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_810_1 (select |c_#valid| v_idx_232))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_811_1 (select |c_#memory_int| v_idx_233)) (<= c_ULTIMATE.start_main_p8 v_idx_233)) (= v_v_807_1 (select |c_old(#valid)| v_idx_229)) (or (= v_v_808_1 (select |c_#valid| v_idx_230)) (<= c_ULTIMATE.start_main_p8 v_idx_230)) (or (= v_v_812_1 (select |c_#memory_int| v_idx_234)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_234) (< v_idx_234 c_ULTIMATE.start_main_p8))))))} [2019-01-18 14:54:29,132 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:54:29,132 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:54:29,132 WARN L230 ngHoareTripleChecker]: Post: {2147483632#(forall ((v_idx_247 Int) (v_idx_237 Int) (v_idx_245 Int) (v_idx_246 Int) (v_idx_238 Int) (v_idx_239 Int) (v_idx_240 Int) (v_idx_243 Int) (v_idx_244 Int) (v_idx_241 Int) (v_idx_242 Int)) (exists ((v_v_804_1 Int) (v_v_858_1 Int) (v_v_806_1 Int) (v_v_807_1 Int) (v_v_811_1 Int) (v_v_813_1 Int) (v_v_814_1 Int) (v_v_810_1 Int) (v_v_808_1 Int)) (and (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_238) (< v_idx_238 c_ULTIMATE.start_main_p8) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_238))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_239) v_v_806_1) (< v_idx_239 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= 0 (+ v_v_858_1 4)) (or (<= c_ULTIMATE.start_main_p8 v_idx_245) (= v_v_811_1 (select |c_#memory_int| v_idx_245))) (<= (- v_v_858_1 (- v_v_858_1)) (- 2)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_243 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_810_1 (select |c_#valid| v_idx_243))) (or (<= c_ULTIMATE.start_main_p8 v_idx_241) (= v_v_808_1 (select |c_#valid| v_idx_241))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_858_1 (select |c_#memory_int| v_idx_246)) (< v_idx_246 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_246)) (= v_v_807_1 (select |c_old(#valid)| v_idx_240)) (<= (- (- v_v_858_1) v_v_858_1) 8) (= v_v_814_1 (select |c_old(#memory_int)| v_idx_244)) (or (< v_idx_247 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_813_1 (select |c_#memory_int| v_idx_247))) (<= (+ v_v_858_1 1) 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_242) (= 1 (select |c_#valid| v_idx_242)) (< v_idx_242 c_ULTIMATE.start_main_p8)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_237) (= v_v_804_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_237))))))} [2019-01-18 14:54:29,132 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:54:29,604 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:54:29,605 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:54:37,730 WARN L181 SmtUtils]: Spent 8.12 s on a formula simplification that was a NOOP. DAG size: 161 [2019-01-18 14:54:37,730 WARN L270 ngHoareTripleChecker]: Pre: {2147483633#(or (forall ((v_idx_225 Int) (v_idx_215 Int) (v_idx_223 Int) (v_idx_224 Int) (v_idx_218 Int) (v_idx_219 Int) (v_idx_216 Int) (v_idx_217 Int) (v_idx_221 Int) (v_idx_222 Int) (v_idx_220 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_220 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_220) (= 1 (select |#valid| v_idx_220))) (= v_v_2_1 (select |old(#valid)| v_idx_218)) (or (< v_idx_217 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_217) v_v_78_1)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= v_v_84_1 (select |#valid| v_idx_221)) (< v_idx_221 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_225 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |#memory_int| v_idx_225))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_215) v_v_76_1) (<= ULTIMATE.start_main_p8 v_idx_215)) (or (= v_v_106_1 (select |#memory_int| v_idx_223)) (<= ULTIMATE.start_main_p8 v_idx_223)) (or (< v_idx_216 ULTIMATE.start_main_p8) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_216) 0) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_216)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_224) (< v_idx_224 ULTIMATE.start_main_p8) (= (- 2) (select |#memory_int| v_idx_224))) (= v_v_4_1 (select |old(#memory_int)| v_idx_222)) (or (= v_v_82_1 (select |#valid| v_idx_219)) (<= ULTIMATE.start_main_p8 v_idx_219)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_236 Int) (v_idx_226 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_229 Int) (v_idx_227 Int) (v_idx_228 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_230 Int) (v_idx_231 Int)) (exists ((v_v_804_1 Int) (v_v_806_1 Int) (v_v_807_1 Int) (v_v_811_1 Int) (v_v_812_1 Int) (v_v_813_1 Int) (v_v_814_1 Int) (v_v_810_1 Int) (v_v_808_1 Int)) (and (= v_v_814_1 (select |old(#memory_int)| v_idx_236)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= 1 (select |#valid| v_idx_231)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_231) (< v_idx_231 ULTIMATE.start_main_p8)) (or (<= ULTIMATE.start_main_p8 v_idx_226) (= v_v_804_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_226))) (<= (- v_v_812_1 (- v_v_812_1)) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (<= (- (- v_v_812_1) v_v_812_1) 6) (or (< v_idx_228 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_806_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_228))) (<= 0 (+ v_v_812_1 3)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_227) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_227)) (< v_idx_227 ULTIMATE.start_main_p8)) (<= v_v_812_1 0) (or (= v_v_813_1 (select |#memory_int| v_idx_235)) (< v_idx_235 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_232 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_810_1 (select |#valid| v_idx_232))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (= v_v_811_1 (select |#memory_int| v_idx_233)) (<= ULTIMATE.start_main_p8 v_idx_233)) (= v_v_807_1 (select |old(#valid)| v_idx_229)) (or (= v_v_808_1 (select |#valid| v_idx_230)) (<= ULTIMATE.start_main_p8 v_idx_230)) (or (= v_v_812_1 (select |#memory_int| v_idx_234)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_234) (< v_idx_234 ULTIMATE.start_main_p8))))))} [2019-01-18 14:54:37,730 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:54:37,730 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:54:37,982 WARN L276 ngHoareTripleChecker]: Post: {2147483632#(and (forall ((v_prenex_4 Int)) (or (< v_prenex_4 ULTIMATE.start_main_p8) (<= 0 (+ (* 2 (select |#memory_int| v_prenex_4)) 8)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_prenex_4))) (forall ((v_idx_246 Int)) (or (<= 0 (+ (select |#memory_int| v_idx_246) 4)) (< v_idx_246 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_246))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_238 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_238) (< v_idx_238 ULTIMATE.start_main_p8) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_238)))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_prenex_6 Int)) (or (<= (+ (* 2 (select |#memory_int| v_prenex_6)) 2) 0) (<= (+ ULTIMATE.start_malloc_ptr 1) v_prenex_6) (< v_prenex_6 ULTIMATE.start_main_p8))) (forall ((v_idx_242 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_242) (= 1 (select |#valid| v_idx_242)) (< v_idx_242 ULTIMATE.start_main_p8))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (forall ((v_prenex_5 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_prenex_5) (<= (+ (select |#memory_int| v_prenex_5) 1) 0) (< v_prenex_5 ULTIMATE.start_main_p8))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:54:50,304 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:54:50,304 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:54:50,304 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:54:50,304 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:54:50,305 WARN L224 ngHoareTripleChecker]: Pre: {2147483631#(or (forall ((v_idx_258 Int) (v_idx_248 Int) (v_idx_256 Int) (v_idx_257 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_254 Int) (v_idx_255 Int) (v_idx_252 Int) (v_idx_253 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= v_v_108_1 (select |c_#memory_int| v_idx_258)) (< v_idx_258 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_main_p8 v_idx_256) (= v_v_106_1 (select |c_#memory_int| v_idx_256))) (or (<= c_ULTIMATE.start_main_p8 v_idx_248) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_248) v_v_76_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= 1 (select |c_#valid| v_idx_253)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_253) (< v_idx_253 c_ULTIMATE.start_main_p8)) (or (< v_idx_257 c_ULTIMATE.start_main_p8) (= (- 2) (select |c_#memory_int| v_idx_257)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_257)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_main_p8 v_idx_252) (= v_v_82_1 (select |c_#valid| v_idx_252))) (= v_v_2_1 (select |c_old(#valid)| v_idx_251)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_84_1 (select |c_#valid| v_idx_254)) (< v_idx_254 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_249) (< v_idx_249 c_ULTIMATE.start_main_p8) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_249))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_255)) (or (< v_idx_250 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_250) v_v_78_1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_269 Int) (v_idx_259 Int) (v_idx_267 Int) (v_idx_268 Int) (v_idx_261 Int) (v_idx_262 Int) (v_idx_260 Int) (v_idx_265 Int) (v_idx_266 Int) (v_idx_263 Int) (v_idx_264 Int)) (exists ((v_v_804_1 Int) (v_v_806_1 Int) (v_v_807_1 Int) (v_v_811_1 Int) (v_v_812_1 Int) (v_v_813_1 Int) (v_v_814_1 Int) (v_v_810_1 Int) (v_v_808_1 Int)) (and (= v_v_807_1 (select |c_old(#valid)| v_idx_262)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_811_1 (select |c_#memory_int| v_idx_266)) (<= c_ULTIMATE.start_main_p8 v_idx_266)) (or (< v_idx_265 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_810_1 (select |c_#valid| v_idx_265))) (or (< v_idx_264 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_264)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_264)) (or (= v_v_813_1 (select |c_#memory_int| v_idx_268)) (< v_idx_268 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (<= (- v_v_812_1 (- v_v_812_1)) 0) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (<= (- (- v_v_812_1) v_v_812_1) 6) (<= 0 (+ v_v_812_1 3)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_260) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_260)) (< v_idx_260 c_ULTIMATE.start_main_p8)) (or (<= c_ULTIMATE.start_main_p8 v_idx_259) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_259) v_v_804_1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_261) v_v_806_1) (< v_idx_261 (+ c_ULTIMATE.start_malloc_ptr 1))) (= v_v_814_1 (select |c_old(#memory_int)| v_idx_269)) (<= v_v_812_1 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_267) (= v_v_812_1 (select |c_#memory_int| v_idx_267)) (< v_idx_267 c_ULTIMATE.start_main_p8)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_808_1 (select |c_#valid| v_idx_263)) (<= c_ULTIMATE.start_main_p8 v_idx_263))))))} [2019-01-18 14:54:50,305 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:54:50,305 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:54:50,305 WARN L230 ngHoareTripleChecker]: Post: {2147483630#(forall ((v_idx_278 Int) (v_idx_279 Int) (v_idx_280 Int) (v_idx_272 Int) (v_idx_273 Int) (v_idx_270 Int) (v_idx_271 Int) (v_idx_276 Int) (v_idx_277 Int) (v_idx_274 Int) (v_idx_275 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_1213_1 Int) (v_v_76_1 Int) (v_v_1212_1 Int) (v_v_1214_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_279 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_279) (= (select |c_#memory_int| v_idx_279) v_v_1213_1)) (or (= (select |c_#memory_int| v_idx_278) v_v_1212_1) (<= c_ULTIMATE.start_main_p1 v_idx_278)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= (select |c_old(#memory_int)| v_idx_277) v_v_4_1) (or (<= c_ULTIMATE.start_main_p8 v_idx_270) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_270) v_v_76_1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_272) v_v_78_1) (< v_idx_272 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_280) v_v_1214_1) (< v_idx_280 (+ c_ULTIMATE.start_main_p1 1))) (or (= v_v_82_1 (select |c_#valid| v_idx_274)) (<= c_ULTIMATE.start_main_p8 v_idx_274)) (or (< v_idx_276 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |c_#valid| v_idx_276))) (or (< v_idx_275 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_275) (= 1 (select |c_#valid| v_idx_275))) (<= (- v_v_1213_1 (- v_v_1213_1)) (- 2)) (= v_v_2_1 (select |c_old(#valid)| v_idx_273)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_271)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_271) (< v_idx_271 c_ULTIMATE.start_main_p8)) (<= (+ v_v_1213_1 1) 0) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-18 14:54:50,306 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:54:50,874 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:54:50,875 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:54:59,093 WARN L181 SmtUtils]: Spent 8.22 s on a formula simplification that was a NOOP. DAG size: 161 [2019-01-18 14:54:59,094 WARN L270 ngHoareTripleChecker]: Pre: {2147483631#(or (forall ((v_idx_258 Int) (v_idx_248 Int) (v_idx_256 Int) (v_idx_257 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_254 Int) (v_idx_255 Int) (v_idx_252 Int) (v_idx_253 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_106_1 Int) (v_v_76_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (= v_v_108_1 (select |#memory_int| v_idx_258)) (< v_idx_258 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= ULTIMATE.start_main_p8 v_idx_256) (= v_v_106_1 (select |#memory_int| v_idx_256))) (or (<= ULTIMATE.start_main_p8 v_idx_248) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_248) v_v_76_1)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= 1 (select |#valid| v_idx_253)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_253) (< v_idx_253 ULTIMATE.start_main_p8)) (or (< v_idx_257 ULTIMATE.start_main_p8) (= (- 2) (select |#memory_int| v_idx_257)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_257)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_main_p8 v_idx_252) (= v_v_82_1 (select |#valid| v_idx_252))) (= v_v_2_1 (select |old(#valid)| v_idx_251)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_84_1 (select |#valid| v_idx_254)) (< v_idx_254 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_249) (< v_idx_249 ULTIMATE.start_main_p8) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_249))) (= v_v_4_1 (select |old(#memory_int)| v_idx_255)) (or (< v_idx_250 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_250) v_v_78_1)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_269 Int) (v_idx_259 Int) (v_idx_267 Int) (v_idx_268 Int) (v_idx_261 Int) (v_idx_262 Int) (v_idx_260 Int) (v_idx_265 Int) (v_idx_266 Int) (v_idx_263 Int) (v_idx_264 Int)) (exists ((v_v_804_1 Int) (v_v_806_1 Int) (v_v_807_1 Int) (v_v_811_1 Int) (v_v_812_1 Int) (v_v_813_1 Int) (v_v_814_1 Int) (v_v_810_1 Int) (v_v_808_1 Int)) (and (= v_v_807_1 (select |old(#valid)| v_idx_262)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= v_v_811_1 (select |#memory_int| v_idx_266)) (<= ULTIMATE.start_main_p8 v_idx_266)) (or (< v_idx_265 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_810_1 (select |#valid| v_idx_265))) (or (< v_idx_264 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_264)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_264)) (or (= v_v_813_1 (select |#memory_int| v_idx_268)) (< v_idx_268 (+ ULTIMATE.start_malloc_ptr 1))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (<= (- v_v_812_1 (- v_v_812_1)) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (<= (- (- v_v_812_1) v_v_812_1) 6) (<= 0 (+ v_v_812_1 3)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_260) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_260)) (< v_idx_260 ULTIMATE.start_main_p8)) (or (<= ULTIMATE.start_main_p8 v_idx_259) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_259) v_v_804_1)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_261) v_v_806_1) (< v_idx_261 (+ ULTIMATE.start_malloc_ptr 1))) (= v_v_814_1 (select |old(#memory_int)| v_idx_269)) (<= v_v_812_1 0) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_267) (= v_v_812_1 (select |#memory_int| v_idx_267)) (< v_idx_267 ULTIMATE.start_main_p8)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (= v_v_808_1 (select |#valid| v_idx_263)) (<= ULTIMATE.start_main_p8 v_idx_263))))))} [2019-01-18 14:54:59,094 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:54:59,094 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:54:59,306 WARN L276 ngHoareTripleChecker]: Post: {2147483630#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_279 Int)) (or (< v_idx_279 ULTIMATE.start_main_p1) (<= (+ (select |#memory_int| v_idx_279) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_279))) (forall ((v_idx_275 Int)) (or (< v_idx_275 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_275) (= 1 (select |#valid| v_idx_275)))) (forall ((v_prenex_7 Int)) (or (<= (+ (* 2 (select |#memory_int| v_prenex_7)) 2) 0) (< v_prenex_7 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_7))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_271 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_271)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_271) (< v_idx_271 ULTIMATE.start_main_p8))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:55:02,484 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:55:02,485 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:55:02,485 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:55:02,485 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:55:02,485 WARN L224 ngHoareTripleChecker]: Pre: {2147483629#(or (forall ((v_idx_302 Int) (v_idx_300 Int) (v_idx_301 Int) (v_idx_294 Int) (v_idx_295 Int) (v_idx_292 Int) (v_idx_293 Int) (v_idx_298 Int) (v_idx_299 Int) (v_idx_296 Int) (v_idx_297 Int)) (exists ((v_v_917_1 Int) (v_v_925_1 Int) (v_v_915_1 Int) (v_v_924_1 Int) (v_v_923_1 Int) (v_v_922_1 Int) (v_v_921_1 Int) (v_v_918_1 Int) (v_v_919_1 Int)) (and (= v_v_918_1 (select |c_old(#valid)| v_idx_295)) (or (= v_v_921_1 (select |c_#valid| v_idx_298)) (< v_idx_298 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_917_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_294)) (< v_idx_294 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#memory_int| v_idx_301) v_v_924_1) (< v_idx_301 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_293) 0) (< v_idx_293 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_293)) (or (<= c_ULTIMATE.start_main_p8 v_idx_299) (= v_v_922_1 (select |c_#memory_int| v_idx_299))) (<= (- v_v_923_1 (- v_v_923_1)) 0) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_925_1 (select |c_old(#memory_int)| v_idx_302)) (or (= (select |c_#memory_int| v_idx_300) v_v_923_1) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_300) (< v_idx_300 c_ULTIMATE.start_main_p8)) (or (<= c_ULTIMATE.start_main_p8 v_idx_292) (= v_v_915_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_292))) (or (< v_idx_297 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_297)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_297)) (<= v_v_923_1 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_296) (= v_v_919_1 (select |c_#valid| v_idx_296))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_289 Int) (v_idx_290 Int) (v_idx_291 Int) (v_idx_283 Int) (v_idx_284 Int) (v_idx_281 Int) (v_idx_282 Int) (v_idx_287 Int) (v_idx_288 Int) (v_idx_285 Int) (v_idx_286 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_291 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |c_#memory_int| v_idx_291))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_76_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_281)) (<= c_ULTIMATE.start_main_p8 v_idx_281)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= (- 2) (select |c_#memory_int| v_idx_290)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_290) (< v_idx_290 c_ULTIMATE.start_main_p8)) (or (= v_v_106_1 (select |c_#memory_int| v_idx_289)) (<= c_ULTIMATE.start_main_p8 v_idx_289)) (= (select |c_old(#memory_int)| v_idx_288) v_v_4_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_284)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_84_1 (select |c_#valid| v_idx_287)) (< v_idx_287 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_286 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_286) (= 1 (select |c_#valid| v_idx_286))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_283) v_v_78_1) (< v_idx_283 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_main_p8 v_idx_285) (= v_v_82_1 (select |c_#valid| v_idx_285))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_282) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_282) 0) (< v_idx_282 c_ULTIMATE.start_main_p8)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-18 14:55:02,485 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:55:02,486 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:55:02,486 WARN L230 ngHoareTripleChecker]: Post: {2147483628#(forall ((v_idx_313 Int) (v_idx_303 Int) (v_idx_311 Int) (v_idx_312 Int) (v_idx_306 Int) (v_idx_307 Int) (v_idx_304 Int) (v_idx_305 Int) (v_idx_308 Int) (v_idx_309 Int) (v_idx_310 Int)) (exists ((v_v_917_1 Int) (v_v_925_1 Int) (v_v_915_1 Int) (v_v_924_1 Int) (v_v_922_1 Int) (v_v_921_1 Int) (v_v_1255_1 Int) (v_v_918_1 Int) (v_v_919_1 Int)) (and (or (< v_idx_309 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_921_1 (select |c_#valid| v_idx_309))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_312) (= (select |c_#memory_int| v_idx_312) v_v_1255_1) (< v_idx_312 c_ULTIMATE.start_main_p8)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_main_p8 v_idx_311) (= v_v_922_1 (select |c_#memory_int| v_idx_311))) (= v_v_918_1 (select |c_old(#valid)| v_idx_306)) (or (< v_idx_305 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_917_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_305))) (or (< v_idx_304 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_304) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_304))) (or (= 1 (select |c_#valid| v_idx_308)) (< v_idx_308 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_308)) (<= (- v_v_1255_1 (- v_v_1255_1)) (- 2)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_925_1 (select |c_old(#memory_int)| v_idx_310)) (or (= v_v_919_1 (select |c_#valid| v_idx_307)) (<= c_ULTIMATE.start_main_p8 v_idx_307)) (<= (+ v_v_1255_1 1) 0) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_303) (= v_v_915_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_303))) (or (< v_idx_313 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_924_1 (select |c_#memory_int| v_idx_313))))))} [2019-01-18 14:55:02,486 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:55:02,950 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:55:02,950 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:55:11,591 WARN L181 SmtUtils]: Spent 8.64 s on a formula simplification that was a NOOP. DAG size: 155 [2019-01-18 14:55:11,592 WARN L270 ngHoareTripleChecker]: Pre: {2147483629#(or (forall ((v_idx_302 Int) (v_idx_300 Int) (v_idx_301 Int) (v_idx_294 Int) (v_idx_295 Int) (v_idx_292 Int) (v_idx_293 Int) (v_idx_298 Int) (v_idx_299 Int) (v_idx_296 Int) (v_idx_297 Int)) (exists ((v_v_917_1 Int) (v_v_925_1 Int) (v_v_915_1 Int) (v_v_924_1 Int) (v_v_923_1 Int) (v_v_922_1 Int) (v_v_921_1 Int) (v_v_918_1 Int) (v_v_919_1 Int)) (and (= v_v_918_1 (select |old(#valid)| v_idx_295)) (or (= v_v_921_1 (select |#valid| v_idx_298)) (< v_idx_298 (+ ULTIMATE.start_malloc_ptr 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= v_v_917_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_294)) (< v_idx_294 (+ ULTIMATE.start_malloc_ptr 1))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= (select |#memory_int| v_idx_301) v_v_924_1) (< v_idx_301 (+ ULTIMATE.start_malloc_ptr 1))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_293) 0) (< v_idx_293 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_293)) (or (<= ULTIMATE.start_main_p8 v_idx_299) (= v_v_922_1 (select |#memory_int| v_idx_299))) (<= (- v_v_923_1 (- v_v_923_1)) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= v_v_925_1 (select |old(#memory_int)| v_idx_302)) (or (= (select |#memory_int| v_idx_300) v_v_923_1) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_300) (< v_idx_300 ULTIMATE.start_main_p8)) (or (<= ULTIMATE.start_main_p8 v_idx_292) (= v_v_915_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_292))) (or (< v_idx_297 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_297)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_297)) (<= v_v_923_1 0) (or (<= ULTIMATE.start_main_p8 v_idx_296) (= v_v_919_1 (select |#valid| v_idx_296))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_289 Int) (v_idx_290 Int) (v_idx_291 Int) (v_idx_283 Int) (v_idx_284 Int) (v_idx_281 Int) (v_idx_282 Int) (v_idx_287 Int) (v_idx_288 Int) (v_idx_285 Int) (v_idx_286 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_291 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_108_1 (select |#memory_int| v_idx_291))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= v_v_76_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_281)) (<= ULTIMATE.start_main_p8 v_idx_281)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= (- 2) (select |#memory_int| v_idx_290)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_290) (< v_idx_290 ULTIMATE.start_main_p8)) (or (= v_v_106_1 (select |#memory_int| v_idx_289)) (<= ULTIMATE.start_main_p8 v_idx_289)) (= (select |old(#memory_int)| v_idx_288) v_v_4_1) (= v_v_2_1 (select |old(#valid)| v_idx_284)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_84_1 (select |#valid| v_idx_287)) (< v_idx_287 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_286 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_286) (= 1 (select |#valid| v_idx_286))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_283) v_v_78_1) (< v_idx_283 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= ULTIMATE.start_main_p8 v_idx_285) (= v_v_82_1 (select |#valid| v_idx_285))) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_282) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_282) 0) (< v_idx_282 ULTIMATE.start_main_p8)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-18 14:55:11,592 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; [2019-01-18 14:55:11,592 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p8 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p8) (- 1)))) [2019-01-18 14:55:11,753 WARN L276 ngHoareTripleChecker]: Post: {2147483628#(and (forall ((v_idx_312 Int)) (or (<= (+ (* 2 (select |#memory_int| v_idx_312)) 2) 0) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_312) (< v_idx_312 ULTIMATE.start_main_p8))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_prenex_8 Int)) (or (< v_prenex_8 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_prenex_8) (<= (+ (select |#memory_int| v_prenex_8) 1) 0))) (forall ((v_idx_304 Int)) (or (< v_idx_304 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_304) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_304)))) (forall ((v_idx_308 Int)) (or (= 1 (select |#valid| v_idx_308)) (< v_idx_308 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_308))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:55:14,951 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:55:14,952 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:55:14,952 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:55:14,952 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:55:14,953 WARN L224 ngHoareTripleChecker]: Pre: {2147483627#(or (forall ((v_idx_335 Int) (v_idx_325 Int) (v_idx_333 Int) (v_idx_334 Int) (v_idx_328 Int) (v_idx_329 Int) (v_idx_326 Int) (v_idx_327 Int) (v_idx_331 Int) (v_idx_332 Int) (v_idx_330 Int)) (exists ((v_v_917_1 Int) (v_v_925_1 Int) (v_v_915_1 Int) (v_v_924_1 Int) (v_v_923_1 Int) (v_v_922_1 Int) (v_v_921_1 Int) (v_v_918_1 Int) (v_v_919_1 Int)) (and (= v_v_925_1 (select |c_old(#memory_int)| v_idx_335)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= c_ULTIMATE.start_main_p8 v_idx_325) (= v_v_915_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_325))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= v_v_922_1 (select |c_#memory_int| v_idx_332)) (<= c_ULTIMATE.start_main_p8 v_idx_332)) (or (= v_v_924_1 (select |c_#memory_int| v_idx_334)) (< v_idx_334 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_326)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_326) (< v_idx_326 c_ULTIMATE.start_main_p8)) (<= (- v_v_923_1 (- v_v_923_1)) 0) (or (< v_idx_327 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_917_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_327))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_921_1 (select |c_#valid| v_idx_331)) (< v_idx_331 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_333 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_333) (= v_v_923_1 (select |c_#memory_int| v_idx_333))) (or (<= c_ULTIMATE.start_main_p8 v_idx_329) (= v_v_919_1 (select |c_#valid| v_idx_329))) (<= v_v_923_1 0) (= v_v_918_1 (select |c_old(#valid)| v_idx_328)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_330 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_330) (= 1 (select |c_#valid| v_idx_330)))))) (forall ((v_idx_324 Int) (v_idx_314 Int) (v_idx_322 Int) (v_idx_323 Int) (v_idx_317 Int) (v_idx_318 Int) (v_idx_315 Int) (v_idx_316 Int) (v_idx_319 Int) (v_idx_320 Int) (v_idx_321 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (<= c_ULTIMATE.start_main_p8 v_idx_318) (= v_v_82_1 (select |c_#valid| v_idx_318))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_108_1 (select |c_#memory_int| v_idx_324)) (< v_idx_324 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_315) (< v_idx_315 c_ULTIMATE.start_main_p8) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_315))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_314) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_314)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#valid)| v_idx_317) v_v_2_1) (or (< v_idx_316 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_78_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_316))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_321)) (or (< v_idx_319 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_319)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_319)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_323) (= (- 2) (select |c_#memory_int| v_idx_323)) (< v_idx_323 c_ULTIMATE.start_main_p8)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_320 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |c_#valid| v_idx_320))) (or (= v_v_106_1 (select |c_#memory_int| v_idx_322)) (<= c_ULTIMATE.start_main_p8 v_idx_322))))))} [2019-01-18 14:55:14,953 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:55:14,953 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:55:14,953 WARN L230 ngHoareTripleChecker]: Post: {2147483626#(forall ((v_idx_346 Int) (v_idx_336 Int) (v_idx_344 Int) (v_idx_345 Int) (v_idx_339 Int) (v_idx_337 Int) (v_idx_338 Int) (v_idx_342 Int) (v_idx_343 Int) (v_idx_340 Int) (v_idx_341 Int)) (exists ((v_v_78_1 Int) (v_v_1301_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_1302_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_1303_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_341) (< v_idx_341 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_341))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_337) (< v_idx_337 c_ULTIMATE.start_main_p8) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_337))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_336) v_v_76_1) (<= c_ULTIMATE.start_main_p8 v_idx_336)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_340) (= v_v_82_1 (select |c_#valid| v_idx_340))) (or (<= c_ULTIMATE.start_main_p1 v_idx_344) (= (select |c_#memory_int| v_idx_344) v_v_1301_1)) (or (< v_idx_346 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_346) v_v_1303_1)) (or (= v_v_84_1 (select |c_#valid| v_idx_342)) (< v_idx_342 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (+ v_v_1302_1 1) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_338) v_v_78_1) (< v_idx_338 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_345) (< v_idx_345 c_ULTIMATE.start_main_p1) (= (select |c_#memory_int| v_idx_345) v_v_1302_1)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_2_1 (select |c_old(#valid)| v_idx_339)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_343)) (<= (- v_v_1302_1 (- v_v_1302_1)) (- 2)))))} [2019-01-18 14:55:14,953 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:55:15,757 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:55:15,757 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:55:24,087 WARN L181 SmtUtils]: Spent 8.33 s on a formula simplification that was a NOOP. DAG size: 155 [2019-01-18 14:55:24,087 WARN L270 ngHoareTripleChecker]: Pre: {2147483627#(or (forall ((v_idx_335 Int) (v_idx_325 Int) (v_idx_333 Int) (v_idx_334 Int) (v_idx_328 Int) (v_idx_329 Int) (v_idx_326 Int) (v_idx_327 Int) (v_idx_331 Int) (v_idx_332 Int) (v_idx_330 Int)) (exists ((v_v_917_1 Int) (v_v_925_1 Int) (v_v_915_1 Int) (v_v_924_1 Int) (v_v_923_1 Int) (v_v_922_1 Int) (v_v_921_1 Int) (v_v_918_1 Int) (v_v_919_1 Int)) (and (= v_v_925_1 (select |old(#memory_int)| v_idx_335)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (<= ULTIMATE.start_main_p8 v_idx_325) (= v_v_915_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_325))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (= v_v_922_1 (select |#memory_int| v_idx_332)) (<= ULTIMATE.start_main_p8 v_idx_332)) (or (= v_v_924_1 (select |#memory_int| v_idx_334)) (< v_idx_334 (+ ULTIMATE.start_malloc_ptr 1))) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_326)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_326) (< v_idx_326 ULTIMATE.start_main_p8)) (<= (- v_v_923_1 (- v_v_923_1)) 0) (or (< v_idx_327 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_917_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_327))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_921_1 (select |#valid| v_idx_331)) (< v_idx_331 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_333 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_333) (= v_v_923_1 (select |#memory_int| v_idx_333))) (or (<= ULTIMATE.start_main_p8 v_idx_329) (= v_v_919_1 (select |#valid| v_idx_329))) (<= v_v_923_1 0) (= v_v_918_1 (select |old(#valid)| v_idx_328)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_330 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_330) (= 1 (select |#valid| v_idx_330)))))) (forall ((v_idx_324 Int) (v_idx_314 Int) (v_idx_322 Int) (v_idx_323 Int) (v_idx_317 Int) (v_idx_318 Int) (v_idx_315 Int) (v_idx_316 Int) (v_idx_319 Int) (v_idx_320 Int) (v_idx_321 Int)) (exists ((v_v_78_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_4_1 Int)) (and (or (<= ULTIMATE.start_main_p8 v_idx_318) (= v_v_82_1 (select |#valid| v_idx_318))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= v_v_108_1 (select |#memory_int| v_idx_324)) (< v_idx_324 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_315) (< v_idx_315 ULTIMATE.start_main_p8) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_315))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_314) v_v_76_1) (<= ULTIMATE.start_main_p8 v_idx_314)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= (select |old(#valid)| v_idx_317) v_v_2_1) (or (< v_idx_316 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_78_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_316))) (= v_v_4_1 (select |old(#memory_int)| v_idx_321)) (or (< v_idx_319 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_319)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_319)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_323) (= (- 2) (select |#memory_int| v_idx_323)) (< v_idx_323 ULTIMATE.start_main_p8)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_320 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_84_1 (select |#valid| v_idx_320))) (or (= v_v_106_1 (select |#memory_int| v_idx_322)) (<= ULTIMATE.start_main_p8 v_idx_322))))))} [2019-01-18 14:55:24,087 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:55:24,088 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:55:24,285 WARN L276 ngHoareTripleChecker]: Post: {2147483626#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_345 Int)) (or (<= (+ (select |#memory_int| v_idx_345) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_345) (< v_idx_345 ULTIMATE.start_main_p1))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_337 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_337) (< v_idx_337 ULTIMATE.start_main_p8) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_337)))) (forall ((v_idx_341 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_341) (< v_idx_341 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_341)))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (forall ((v_prenex_9 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_prenex_9) (< v_prenex_9 ULTIMATE.start_main_p1) (<= (+ (* 2 (select |#memory_int| v_prenex_9)) 2) 0))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:55:24,430 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-18 14:55:24,431 INFO L272 AbstractInterpreter]: Visited 3 different actions 11 times. Merged at 1 different actions 4 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-18 14:55:24,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 14:55:24,437 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-18 14:55:24,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-18 14:55:24,437 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-18 14:55:24,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 14:55:24,453 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-18 14:55:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 14:55:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 14:55:24,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-18 14:55:24,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2019-01-18 14:55:24,608 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2019-01-18 14:55:24,619 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,621 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,623 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-01-18 14:55:24,638 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,640 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,642 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,644 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 60 [2019-01-18 14:55:24,661 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,663 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,665 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,667 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,669 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 78 [2019-01-18 14:55:24,737 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,740 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,742 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,743 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,744 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,746 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 100 [2019-01-18 14:55:24,806 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,807 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,809 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,810 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,811 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,813 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 126 [2019-01-18 14:55:24,854 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,856 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,858 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,861 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,862 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,863 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,864 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:24,867 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 153 [2019-01-18 14:55:24,880 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-18 14:55:25,030 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:25,085 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:25,129 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:25,163 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:25,194 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:25,217 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:25,242 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:25,310 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 114 [2019-01-18 14:55:25,404 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,405 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,406 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 104 [2019-01-18 14:55:25,499 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,501 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,502 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,504 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 103 [2019-01-18 14:55:25,630 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2019-01-18 14:55:25,644 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,647 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,651 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,652 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,653 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,662 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,664 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 105 [2019-01-18 14:55:25,811 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,812 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,814 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,815 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,817 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,819 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,820 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,822 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,824 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 116 [2019-01-18 14:55:25,970 WARN L181 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-01-18 14:55:25,993 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,994 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,995 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,997 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:25,998 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,000 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,001 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,003 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,004 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,005 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,008 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 134 [2019-01-18 14:55:26,204 WARN L181 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-01-18 14:55:26,254 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,255 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,257 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,258 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,260 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,261 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,262 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,263 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,264 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,267 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,268 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:26,270 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 113 [2019-01-18 14:55:26,275 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-01-18 14:55:26,347 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:26,414 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:26,488 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:26,561 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:26,635 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:26,710 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-18 14:55:26,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-01-18 14:55:26,851 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:147, output treesize:153 [2019-01-18 14:55:28,870 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-18 14:55:28,870 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_42|, ULTIMATE.start_main_p2, ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, ULTIMATE.start_main_p5, ULTIMATE.start_main_p6, ULTIMATE.start_main_p7, |v_#valid_10|]. (let ((.cse5 (store |v_#valid_10| ULTIMATE.start_main_p1 1))) (let ((.cse4 (store .cse5 ULTIMATE.start_main_p2 1))) (let ((.cse2 (store .cse4 ULTIMATE.start_main_p3 1))) (let ((.cse0 (store .cse2 ULTIMATE.start_main_p4 1))) (let ((.cse3 (store .cse0 ULTIMATE.start_main_p5 1))) (let ((.cse1 (store .cse3 ULTIMATE.start_main_p6 1))) (and (= (select .cse0 ULTIMATE.start_main_p5) 0) (= 0 (select .cse1 ULTIMATE.start_main_p7)) (= 0 (select .cse2 ULTIMATE.start_main_p4)) (= (select .cse3 ULTIMATE.start_main_p6) 0) (= (store (store (store (store (store (store (store (store |v_#memory_int_42| ULTIMATE.start_main_p1 0) ULTIMATE.start_main_p2 0) ULTIMATE.start_main_p3 0) ULTIMATE.start_main_p4 0) ULTIMATE.start_main_p5 0) ULTIMATE.start_main_p6 0) ULTIMATE.start_main_p7 0) ULTIMATE.start_main_p8 0) |#memory_int|) (= 0 (select .cse4 ULTIMATE.start_main_p3)) (= (select .cse5 ULTIMATE.start_main_p2) 0) (= (select (store .cse1 ULTIMATE.start_main_p7 1) ULTIMATE.start_main_p8) 0)))))))) [2019-01-18 14:55:28,871 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p4, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p6]. (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5))) [2019-01-18 14:55:30,454 INFO L701 Elim1Store]: detected not equals via solver [2019-01-18 14:55:30,456 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 159 [2019-01-18 14:55:30,463 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-18 14:55:30,593 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-01-18 14:55:30,593 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:163, output treesize:125 [2019-01-18 14:55:32,649 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-18 14:55:32,650 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_43|, ULTIMATE.start_main_p8, ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p4, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p6]. (let ((.cse0 (select |v_#memory_int_43| ULTIMATE.start_main_p8))) (and (= (select |v_#memory_int_43| ULTIMATE.start_main_p2) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (= (store |v_#memory_int_43| ULTIMATE.start_main_p8 (+ .cse0 (- 1))) |#memory_int|) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (= .cse0 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p5) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p6) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p7) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= (select |v_#memory_int_43| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) [2019-01-18 14:55:32,650 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, ULTIMATE.start_main_p6, ULTIMATE.start_main_p8]. (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (- 1) (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5))) [2019-01-18 14:55:34,911 INFO L273 TraceCheckUtils]: 0: Hoare triple {150#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p5 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p6 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p7 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p8 := malloc_ptr;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0]; {157#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)))} is VALID [2019-01-18 14:55:35,452 INFO L273 TraceCheckUtils]: 1: Hoare triple {157#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)))} #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; {161#(and (exists ((ULTIMATE.start_main_p8 Int)) (= 0 (+ (select |#memory_int| ULTIMATE.start_main_p8) 1))) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0))} is VALID [2019-01-18 14:55:35,453 INFO L273 TraceCheckUtils]: 2: Hoare triple {161#(and (exists ((ULTIMATE.start_main_p8 Int)) (= 0 (+ (select |#memory_int| ULTIMATE.start_main_p8) 1))) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p5 Int) (ULTIMATE.start_main_p6 Int) (ULTIMATE.start_main_p7 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0))} assume !(#memory_int[main_p1] >= 0); {151#false} is VALID [2019-01-18 14:55:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 14:55:35,454 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-18 14:55:35,477 INFO L273 TraceCheckUtils]: 2: Hoare triple {165#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} assume !(#memory_int[main_p1] >= 0); {151#false} is VALID [2019-01-18 14:55:35,481 INFO L273 TraceCheckUtils]: 1: Hoare triple {169#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1))} #memory_int := #memory_int[main_p8 := #memory_int[main_p8] - 1]; {165#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} is VALID [2019-01-18 14:55:35,483 INFO L273 TraceCheckUtils]: 0: Hoare triple {150#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p5 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p6 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p7 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p8 := malloc_ptr;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0]; {169#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p8 (+ (select |#memory_int| ULTIMATE.start_main_p8) (- 1))) ULTIMATE.start_main_p1))} is VALID [2019-01-18 14:55:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 14:55:35,503 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-18 14:55:35,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 6 [2019-01-18 14:55:35,503 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-18 14:55:35,504 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-18 14:55:35,504 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-18 14:55:35,504 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2019-01-18 14:55:36,441 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-18 14:55:36,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-18 14:55:36,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-18 14:55:36,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-18 14:55:36,442 INFO L87 Difference]: Start difference. First operand 18 states and 33 transitions. Second operand 6 states. [2019-01-18 14:55:37,028 WARN L181 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-01-18 14:55:38,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:55:38,010 INFO L93 Difference]: Finished difference Result 63 states and 92 transitions. [2019-01-18 14:55:38,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-18 14:55:38,011 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-18 14:55:38,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-18 14:55:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-18 14:55:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 92 transitions. [2019-01-18 14:55:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-18 14:55:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 92 transitions. [2019-01-18 14:55:38,017 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 92 transitions. [2019-01-18 14:55:59,612 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-18 14:55:59,616 INFO L225 Difference]: With dead ends: 63 [2019-01-18 14:55:59,617 INFO L226 Difference]: Without dead ends: 60 [2019-01-18 14:55:59,618 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-01-18 14:55:59,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-18 14:55:59,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 25. [2019-01-18 14:55:59,669 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-18 14:55:59,669 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 25 states. [2019-01-18 14:55:59,669 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 25 states. [2019-01-18 14:55:59,670 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 25 states. [2019-01-18 14:55:59,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:55:59,675 INFO L93 Difference]: Finished difference Result 60 states and 88 transitions. [2019-01-18 14:55:59,676 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2019-01-18 14:55:59,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-18 14:55:59,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-18 14:55:59,677 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 60 states. [2019-01-18 14:55:59,677 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 60 states. [2019-01-18 14:55:59,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:55:59,682 INFO L93 Difference]: Finished difference Result 60 states and 88 transitions. [2019-01-18 14:55:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2019-01-18 14:55:59,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-18 14:55:59,683 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-18 14:55:59,683 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-18 14:55:59,683 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-18 14:55:59,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-18 14:55:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 53 transitions. [2019-01-18 14:55:59,685 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 53 transitions. Word has length 3 [2019-01-18 14:55:59,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-18 14:55:59,685 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 53 transitions. [2019-01-18 14:55:59,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-18 14:55:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 53 transitions. [2019-01-18 14:55:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-18 14:55:59,686 INFO L394 BasicCegarLoop]: Found error trace [2019-01-18 14:55:59,686 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-18 14:55:59,687 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-01-18 14:55:59,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 14:55:59,687 INFO L82 PathProgramCache]: Analyzing trace with hash 30384, now seen corresponding path program 1 times [2019-01-18 14:55:59,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-18 14:55:59,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:55:59,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 14:55:59,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:55:59,689 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-18 14:55:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 14:55:59,805 INFO L273 TraceCheckUtils]: 0: Hoare triple {389#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p5 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p6 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p7 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p8 := malloc_ptr;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0]; {391#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} is VALID [2019-01-18 14:55:59,806 INFO L273 TraceCheckUtils]: 1: Hoare triple {391#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; {392#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-18 14:55:59,807 INFO L273 TraceCheckUtils]: 2: Hoare triple {392#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {390#false} is VALID [2019-01-18 14:55:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 14:55:59,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-18 14:55:59,808 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-18 14:55:59,809 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-18 14:55:59,809 INFO L207 CegarAbsIntRunner]: [0], [18], [35] [2019-01-18 14:55:59,811 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-18 14:55:59,812 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-18 14:56:02,436 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:56:02,436 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:56:02,437 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:56:02,437 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:56:02,437 WARN L224 ngHoareTripleChecker]: Pre: {2147483623#(forall ((v_idx_368 Int) (v_idx_369 Int) (v_idx_366 Int) (v_idx_367 Int) (v_idx_371 Int) (v_idx_372 Int) (v_idx_370 Int) (v_idx_364 Int) (v_idx_365 Int) (v_idx_373 Int) (v_idx_363 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_106_2 Int) (v_v_82_2 Int) (v_v_2_2 Int) (v_v_108_2 Int) (v_v_4_2 Int)) (and (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_365) v_v_78_2) (< v_idx_365 (+ c_ULTIMATE.start_malloc_ptr 1))) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_370)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (< v_idx_369 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_84_2 (select |c_#valid| v_idx_369))) (= v_v_2_2 (select |c_old(#valid)| v_idx_366)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_373 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_108_2 (select |c_#memory_int| v_idx_373))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_372) (< v_idx_372 c_ULTIMATE.start_main_p8) (= 0 (select |c_#memory_int| v_idx_372))) (or (= v_v_82_2 (select |c_#valid| v_idx_367)) (<= c_ULTIMATE.start_main_p8 v_idx_367)) (or (= 1 (select |c_#valid| v_idx_368)) (< v_idx_368 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_368)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_364) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_364) 0) (< v_idx_364 c_ULTIMATE.start_main_p8)) (or (<= c_ULTIMATE.start_main_p8 v_idx_363) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_363) v_v_76_2)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_106_2 (select |c_#memory_int| v_idx_371)) (<= c_ULTIMATE.start_main_p8 v_idx_371)))))} [2019-01-18 14:56:02,437 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-18 14:56:02,437 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-18 14:56:02,437 WARN L230 ngHoareTripleChecker]: Post: {2147483622#(forall ((v_idx_379 Int) (v_idx_377 Int) (v_idx_378 Int) (v_idx_382 Int) (v_idx_383 Int) (v_idx_380 Int) (v_idx_381 Int) (v_idx_375 Int) (v_idx_376 Int) (v_idx_384 Int) (v_idx_374 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_82_2 Int) (v_v_109_2 Int) (v_v_2_2 Int) (v_v_111_2 Int) (v_v_4_2 Int) (v_v_110_2 Int)) (and (= v_v_2_2 (select |c_old(#valid)| v_idx_377)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_84_2 (select |c_#valid| v_idx_380)) (< v_idx_380 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_381)) (or (= v_v_82_2 (select |c_#valid| v_idx_378)) (<= c_ULTIMATE.start_main_p8 v_idx_378)) (or (< v_idx_384 (+ c_ULTIMATE.start_main_p4 1)) (= v_v_111_2 (select |c_#memory_int| v_idx_384))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_109_2 (select |c_#memory_int| v_idx_382)) (<= c_ULTIMATE.start_main_p4 v_idx_382)) (or (< v_idx_379 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_379)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_379)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_375)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_375) (< v_idx_375 c_ULTIMATE.start_main_p8)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_110_2 (select |c_#memory_int| v_idx_383)) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_383) (< v_idx_383 c_ULTIMATE.start_main_p4)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_376) v_v_78_2) (< v_idx_376 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_main_p8 v_idx_374) (= v_v_76_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_374))))))} [2019-01-18 14:56:02,438 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:56:02,883 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:56:02,884 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:56:03,088 WARN L270 ngHoareTripleChecker]: Pre: {2147483623#(and (forall ((v_idx_368 Int)) (or (= 1 (select |#valid| v_idx_368)) (< v_idx_368 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_368))) (forall ((v_idx_372 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_372) (< v_idx_372 ULTIMATE.start_main_p8) (= 0 (select |#memory_int| v_idx_372)))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_364 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_364) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_364) 0) (< v_idx_364 ULTIMATE.start_main_p8))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:56:03,088 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-18 14:56:03,088 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-18 14:56:03,108 WARN L276 ngHoareTripleChecker]: Post: {2147483622#(and (forall ((v_idx_375 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_375)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_375) (< v_idx_375 ULTIMATE.start_main_p8))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_379 Int)) (or (< v_idx_379 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_379)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_379))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:56:05,419 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:56:05,419 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:56:05,419 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:56:05,419 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:56:05,419 WARN L224 ngHoareTripleChecker]: Pre: {2147483621#(forall ((v_idx_388 Int) (v_idx_389 Int) (v_idx_390 Int) (v_idx_393 Int) (v_idx_394 Int) (v_idx_391 Int) (v_idx_392 Int) (v_idx_386 Int) (v_idx_387 Int) (v_idx_395 Int) (v_idx_385 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_106_2 Int) (v_v_82_2 Int) (v_v_108_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_394) (< v_idx_394 c_ULTIMATE.start_main_p8) (= 0 (select |c_#memory_int| v_idx_394))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_385) v_v_76_2) (<= c_ULTIMATE.start_main_p8 v_idx_385)) (or (< v_idx_391 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_84_2 (select |c_#valid| v_idx_391))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_395 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_108_2 (select |c_#memory_int| v_idx_395))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_386) (< v_idx_386 c_ULTIMATE.start_main_p8) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_386) 0)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_392)) (or (<= c_ULTIMATE.start_main_p8 v_idx_389) (= v_v_82_2 (select |c_#valid| v_idx_389))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_390) (= 1 (select |c_#valid| v_idx_390)) (< v_idx_390 c_ULTIMATE.start_main_p8)) (or (<= c_ULTIMATE.start_main_p8 v_idx_393) (= v_v_106_2 (select |c_#memory_int| v_idx_393))) (= v_v_2_2 (select |c_old(#valid)| v_idx_388)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_387) v_v_78_2) (< v_idx_387 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-18 14:56:05,420 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:56:05,420 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:56:05,420 WARN L230 ngHoareTripleChecker]: Post: {2147483620#(forall ((v_idx_401 Int) (v_idx_402 Int) (v_idx_399 Int) (v_idx_400 Int) (v_idx_405 Int) (v_idx_406 Int) (v_idx_403 Int) (v_idx_404 Int) (v_idx_397 Int) (v_idx_398 Int) (v_idx_396 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_82_2 Int) (v_v_124_2 Int) (v_v_2_2 Int) (v_v_125_2 Int) (v_v_123_2 Int) (v_v_4_2 Int)) (and (or (< v_idx_397 c_ULTIMATE.start_main_p8) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_397)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_397)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (= v_v_2_2 (select |c_old(#valid)| v_idx_399)) (or (<= c_ULTIMATE.start_main_p8 v_idx_400) (= (select |c_#valid| v_idx_400) v_v_82_2)) (or (= (select |c_#memory_int| v_idx_405) v_v_124_2) (< v_idx_405 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_405)) (or (< v_idx_398 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_78_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_398))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_396) v_v_76_2) (<= c_ULTIMATE.start_main_p8 v_idx_396)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#valid| v_idx_402) v_v_84_2) (< v_idx_402 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- v_v_124_2 (- v_v_124_2)) (- 2)) (or (= (select |c_#memory_int| v_idx_404) v_v_123_2) (<= c_ULTIMATE.start_main_p1 v_idx_404)) (or (= (select |c_#memory_int| v_idx_406) v_v_125_2) (< v_idx_406 (+ c_ULTIMATE.start_main_p1 1))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_401) (< v_idx_401 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_401))) (<= (+ v_v_124_2 1) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_403)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-18 14:56:05,420 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:56:06,106 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:56:06,106 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:56:06,266 WARN L270 ngHoareTripleChecker]: Pre: {2147483621#(and (forall ((v_idx_386 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_386) (< v_idx_386 ULTIMATE.start_main_p8) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_386) 0))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_idx_394 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_394) (< v_idx_394 ULTIMATE.start_main_p8) (= 0 (select |#memory_int| v_idx_394)))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_390 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_390) (= 1 (select |#valid| v_idx_390)) (< v_idx_390 ULTIMATE.start_main_p8))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:56:06,266 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:56:06,266 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:56:06,310 WARN L276 ngHoareTripleChecker]: Post: {2147483620#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (forall ((v_prenex_10 Int)) (or (< v_prenex_10 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_10) (<= (+ (* 2 (select |#memory_int| v_prenex_10)) 2) 0))) (forall ((v_idx_405 Int)) (or (< v_idx_405 ULTIMATE.start_main_p1) (<= (+ (select |#memory_int| v_idx_405) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_405))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (forall ((v_idx_401 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_401) (< v_idx_401 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_401)))) (forall ((v_idx_397 Int)) (or (< v_idx_397 ULTIMATE.start_main_p8) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_397)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_397))) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:56:08,827 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:56:08,827 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:56:08,827 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:56:08,827 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:56:08,828 WARN L224 ngHoareTripleChecker]: Pre: {2147483619#(or (forall ((v_idx_412 Int) (v_idx_413 Int) (v_idx_410 Int) (v_idx_411 Int) (v_idx_416 Int) (v_idx_417 Int) (v_idx_414 Int) (v_idx_415 Int) (v_idx_409 Int) (v_idx_407 Int) (v_idx_408 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_106_2 Int) (v_v_82_2 Int) (v_v_108_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (or (= (select |c_#valid| v_idx_411) v_v_82_2) (<= c_ULTIMATE.start_main_p8 v_idx_411)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= v_v_78_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_409)) (< v_idx_409 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_main_p8 v_idx_407) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_407) v_v_76_2)) (or (= (select |c_#valid| v_idx_413) v_v_84_2) (< v_idx_413 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_main_p8 v_idx_415) (= v_v_106_2 (select |c_#memory_int| v_idx_415))) (or (= v_v_108_2 (select |c_#memory_int| v_idx_417)) (< v_idx_417 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_414)) (or (< v_idx_416 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_416) (= (select |c_#memory_int| v_idx_416) 0)) (= (select |c_old(#valid)| v_idx_410) v_v_2_2) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_412 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_412) (= 1 (select |c_#valid| v_idx_412))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_408)) (< v_idx_408 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_408))))) (forall ((v_idx_423 Int) (v_idx_424 Int) (v_idx_421 Int) (v_idx_422 Int) (v_idx_427 Int) (v_idx_428 Int) (v_idx_425 Int) (v_idx_426 Int) (v_idx_418 Int) (v_idx_419 Int) (v_idx_420 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_109_2 Int) (v_v_82_2 Int) (v_v_2_2 Int) (v_v_111_2 Int) (v_v_4_2 Int) (v_v_110_2 Int)) (and (= v_v_4_2 (select |c_old(#memory_int)| v_idx_425)) (= (select |c_old(#valid)| v_idx_421) v_v_2_2) (or (< v_idx_420 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_420) v_v_78_2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_419)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_419) (< v_idx_419 c_ULTIMATE.start_main_p8)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_427) (= v_v_110_2 (select |c_#memory_int| v_idx_427)) (< v_idx_427 c_ULTIMATE.start_main_p4)) (or (= v_v_84_2 (select |c_#valid| v_idx_424)) (< v_idx_424 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_main_p8 v_idx_418) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_418) v_v_76_2)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_main_p4 v_idx_426) (= v_v_109_2 (select |c_#memory_int| v_idx_426))) (or (= v_v_82_2 (select |c_#valid| v_idx_422)) (<= c_ULTIMATE.start_main_p8 v_idx_422)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_423 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_423)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_423)) (or (= v_v_111_2 (select |c_#memory_int| v_idx_428)) (< v_idx_428 (+ c_ULTIMATE.start_main_p4 1)))))))} [2019-01-18 14:56:08,828 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-18 14:56:08,828 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-18 14:56:08,828 WARN L230 ngHoareTripleChecker]: Post: {2147483618#(forall ((v_idx_434 Int) (v_idx_435 Int) (v_idx_432 Int) (v_idx_433 Int) (v_idx_438 Int) (v_idx_439 Int) (v_idx_436 Int) (v_idx_437 Int) (v_idx_429 Int) (v_idx_430 Int) (v_idx_431 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_128_2 Int) (v_v_126_2 Int) (v_v_127_2 Int) (v_v_82_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (or (<= c_ULTIMATE.start_main_p8 v_idx_433) (= (select |c_#valid| v_idx_433) v_v_82_2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_429) v_v_76_2) (<= c_ULTIMATE.start_main_p8 v_idx_429)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_430 c_ULTIMATE.start_main_p8) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_430)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_430)) (= v_v_2_2 (select |c_old(#valid)| v_idx_432)) (or (= (select |c_#memory_int| v_idx_439) v_v_128_2) (< v_idx_439 (+ c_ULTIMATE.start_main_p4 1))) (or (= (select |c_#memory_int| v_idx_437) v_v_126_2) (<= c_ULTIMATE.start_main_p4 v_idx_437)) (or (= (select |c_#valid| v_idx_435) v_v_84_2) (< v_idx_435 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_431 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_78_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_431))) (or (< v_idx_434 c_ULTIMATE.start_main_p8) (= 1 (select |c_#valid| v_idx_434)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_434)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_436)) (or (< v_idx_438 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_438) v_v_127_2) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_438)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0))))} [2019-01-18 14:56:08,828 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:56:09,298 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:56:09,298 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:56:17,530 WARN L181 SmtUtils]: Spent 8.23 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-18 14:56:17,530 WARN L270 ngHoareTripleChecker]: Pre: {2147483619#(or (forall ((v_idx_412 Int) (v_idx_413 Int) (v_idx_410 Int) (v_idx_411 Int) (v_idx_416 Int) (v_idx_417 Int) (v_idx_414 Int) (v_idx_415 Int) (v_idx_409 Int) (v_idx_407 Int) (v_idx_408 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_106_2 Int) (v_v_82_2 Int) (v_v_108_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (or (= (select |#valid| v_idx_411) v_v_82_2) (<= ULTIMATE.start_main_p8 v_idx_411)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= v_v_78_2 (select |ULTIMATE.start_malloc_old_#valid| v_idx_409)) (< v_idx_409 (+ ULTIMATE.start_malloc_ptr 1))) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_main_p8 v_idx_407) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_407) v_v_76_2)) (or (= (select |#valid| v_idx_413) v_v_84_2) (< v_idx_413 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= ULTIMATE.start_main_p8 v_idx_415) (= v_v_106_2 (select |#memory_int| v_idx_415))) (or (= v_v_108_2 (select |#memory_int| v_idx_417)) (< v_idx_417 (+ ULTIMATE.start_malloc_ptr 1))) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_2 (select |old(#memory_int)| v_idx_414)) (or (< v_idx_416 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_416) (= (select |#memory_int| v_idx_416) 0)) (= (select |old(#valid)| v_idx_410) v_v_2_2) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_412 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_412) (= 1 (select |#valid| v_idx_412))) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_408)) (< v_idx_408 ULTIMATE.start_main_p8) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_408))))) (forall ((v_idx_423 Int) (v_idx_424 Int) (v_idx_421 Int) (v_idx_422 Int) (v_idx_427 Int) (v_idx_428 Int) (v_idx_425 Int) (v_idx_426 Int) (v_idx_418 Int) (v_idx_419 Int) (v_idx_420 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_109_2 Int) (v_v_82_2 Int) (v_v_2_2 Int) (v_v_111_2 Int) (v_v_4_2 Int) (v_v_110_2 Int)) (and (= v_v_4_2 (select |old(#memory_int)| v_idx_425)) (= (select |old(#valid)| v_idx_421) v_v_2_2) (or (< v_idx_420 (+ ULTIMATE.start_malloc_ptr 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_420) v_v_78_2)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_419)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_419) (< v_idx_419 ULTIMATE.start_main_p8)) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (or (<= (+ ULTIMATE.start_main_p4 1) v_idx_427) (= v_v_110_2 (select |#memory_int| v_idx_427)) (< v_idx_427 ULTIMATE.start_main_p4)) (or (= v_v_84_2 (select |#valid| v_idx_424)) (< v_idx_424 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= ULTIMATE.start_main_p8 v_idx_418) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_418) v_v_76_2)) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= ULTIMATE.start_main_p4 v_idx_426) (= v_v_109_2 (select |#memory_int| v_idx_426))) (or (= v_v_82_2 (select |#valid| v_idx_422)) (<= ULTIMATE.start_main_p8 v_idx_422)) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_423 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_423)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_423)) (or (= v_v_111_2 (select |#memory_int| v_idx_428)) (< v_idx_428 (+ ULTIMATE.start_main_p4 1)))))))} [2019-01-18 14:56:17,531 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-18 14:56:17,531 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-18 14:56:17,562 WARN L276 ngHoareTripleChecker]: Post: {2147483618#(and (forall ((v_idx_430 Int)) (or (< v_idx_430 ULTIMATE.start_main_p8) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_430)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_430))) (forall ((v_idx_434 Int)) (or (< v_idx_434 ULTIMATE.start_main_p8) (= 1 (select |#valid| v_idx_434)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_434))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p8) (<= ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) (<= (- ULTIMATE.start_main_p8 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p8) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-18 14:56:20,554 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:56:20,555 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:56:20,555 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:56:20,555 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:56:20,556 WARN L224 ngHoareTripleChecker]: Pre: {2147483617#(or (forall ((v_idx_456 Int) (v_idx_457 Int) (v_idx_454 Int) (v_idx_455 Int) (v_idx_458 Int) (v_idx_459 Int) (v_idx_460 Int) (v_idx_452 Int) (v_idx_453 Int) (v_idx_461 Int) (v_idx_451 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_109_2 Int) (v_v_82_2 Int) (v_v_2_2 Int) (v_v_111_2 Int) (v_v_4_2 Int) (v_v_110_2 Int)) (and (or (= (select |c_#memory_int| v_idx_461) v_v_111_2) (< v_idx_461 (+ c_ULTIMATE.start_main_p4 1))) (or (= (select |c_#memory_int| v_idx_460) v_v_110_2) (< v_idx_460 c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_460)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_456) (= (select |c_#valid| v_idx_456) 1) (< v_idx_456 c_ULTIMATE.start_main_p8)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#valid| v_idx_457) v_v_84_2) (< v_idx_457 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_451) v_v_76_2) (<= c_ULTIMATE.start_main_p8 v_idx_451)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_458)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_2 (select |c_old(#valid)| v_idx_454)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_453) v_v_78_2) (< v_idx_453 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_main_p4 v_idx_459) (= (select |c_#memory_int| v_idx_459) v_v_109_2)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_452)) (< v_idx_452 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_452)) (or (<= c_ULTIMATE.start_main_p8 v_idx_455) (= (select |c_#valid| v_idx_455) v_v_82_2)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))) (forall ((v_idx_445 Int) (v_idx_446 Int) (v_idx_443 Int) (v_idx_444 Int) (v_idx_449 Int) (v_idx_447 Int) (v_idx_448 Int) (v_idx_441 Int) (v_idx_442 Int) (v_idx_450 Int) (v_idx_440 Int)) (exists ((v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_106_2 Int) (v_v_82_2 Int) (v_v_108_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_449) (= (select |c_#memory_int| v_idx_449) 0) (< v_idx_449 c_ULTIMATE.start_main_p8)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (or (<= c_ULTIMATE.start_main_p8 v_idx_444) (= (select |c_#valid| v_idx_444) v_v_82_2)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_445) (= (select |c_#valid| v_idx_445) 1) (< v_idx_445 c_ULTIMATE.start_main_p8)) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_main_p8 v_idx_440) (= v_v_76_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_440))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_442) v_v_78_2) (< v_idx_442 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_450 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#memory_int| v_idx_450) v_v_108_2)) (or (= (select |c_#memory_int| v_idx_448) v_v_106_2) (<= c_ULTIMATE.start_main_p8 v_idx_448)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_2 (select |c_old(#valid)| v_idx_443)) (or (< v_idx_441 c_ULTIMATE.start_main_p8) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_441) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_441))) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_447)) (or (= (select |c_#valid| v_idx_446) v_v_84_2) (< v_idx_446 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0)))))} [2019-01-18 14:56:20,556 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-18 14:56:20,556 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-18 14:56:20,556 WARN L230 ngHoareTripleChecker]: Post: {2147483616#(forall ((v_idx_467 Int) (v_idx_468 Int) (v_idx_465 Int) (v_idx_466 Int) (v_idx_469 Int) (v_idx_470 Int) (v_idx_471 Int) (v_idx_463 Int) (v_idx_464 Int) (v_idx_472 Int) (v_idx_462 Int)) (exists ((v_v_171_2 Int) (v_v_172_2 Int) (v_v_76_2 Int) (v_v_78_2 Int) (v_v_84_2 Int) (v_v_170_2 Int) (v_v_82_2 Int) (v_v_2_2 Int) (v_v_4_2 Int)) (and (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_467) (= (select |c_#valid| v_idx_467) 1) (< v_idx_467 c_ULTIMATE.start_main_p8)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p8) (<= c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_main_p1 v_idx_470) (= (select |c_#memory_int| v_idx_470) v_v_170_2)) (<= (- (- c_ULTIMATE.start_main_p8) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_2 (select |c_old(#valid)| v_idx_465)) (or (= v_v_171_2 (select |c_#memory_int| v_idx_471)) (< v_idx_471 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_471)) (or (= v_v_172_2 (select |c_#memory_int| v_idx_472)) (< v_idx_472 (+ c_ULTIMATE.start_main_p1 1))) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_463) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_463) 0) (< v_idx_463 c_ULTIMATE.start_main_p8)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_464) v_v_78_2) (< v_idx_464 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (+ v_v_171_2 1) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_462) (= v_v_76_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_462))) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_469)) (<= (- c_ULTIMATE.start_main_p8 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_main_p8 v_idx_466) (= (select |c_#valid| v_idx_466) v_v_82_2)) (or (< v_idx_468 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_#valid| v_idx_468) v_v_84_2)) (<= (- v_v_171_2 (- v_v_171_2)) (- 2)))))} [2019-01-18 14:56:20,556 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:56:20,972 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:56:20,973 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:56:22,949 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-18 14:56:22,951 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:152) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.toStringSimplified(DebuggingHoareTripleChecker.java:313) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.logUnsoundness(DebuggingHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.checkValidity(DebuggingHoareTripleChecker.java:192) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.checkValidity(DebuggingHoareTripleChecker.java:179) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.checkInternal(DebuggingHoareTripleChecker.java:139) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RcfgDebugHelper.isPostSound(RcfgDebugHelper.java:80) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RcfgDebugHelper.isPostSound(RcfgDebugHelper.java:62) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RcfgDebugHelper.isPostSound(RcfgDebugHelper.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.assertIsPostSound(FixpointEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:254) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 50 more [2019-01-18 14:56:22,959 INFO L168 Benchmark]: Toolchain (without parser) took 214427.85 ms. Allocated memory was 140.0 MB in the beginning and 471.9 MB in the end (delta: 331.9 MB). Free memory was 107.4 MB in the beginning and 403.7 MB in the end (delta: -296.3 MB). Peak memory consumption was 402.6 MB. Max. memory is 7.1 GB. [2019-01-18 14:56:22,961 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 108.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-18 14:56:22,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.49 ms. Allocated memory is still 140.0 MB. Free memory was 107.2 MB in the beginning and 104.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-01-18 14:56:22,962 INFO L168 Benchmark]: Boogie Preprocessor took 38.96 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 103.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-01-18 14:56:22,963 INFO L168 Benchmark]: RCFGBuilder took 1107.86 ms. Allocated memory is still 140.0 MB. Free memory was 103.3 MB in the beginning and 73.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2019-01-18 14:56:22,963 INFO L168 Benchmark]: TraceAbstraction took 213211.91 ms. Allocated memory was 140.0 MB in the beginning and 471.9 MB in the end (delta: 331.9 MB). Free memory was 73.0 MB in the beginning and 403.7 MB in the end (delta: -330.6 MB). Peak memory consumption was 368.3 MB. Max. memory is 7.1 GB. [2019-01-18 14:56:22,969 INFO L336 ainManager$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 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 108.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.49 ms. Allocated memory is still 140.0 MB. Free memory was 107.2 MB in the beginning and 104.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.96 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 103.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1107.86 ms. Allocated memory is still 140.0 MB. Free memory was 103.3 MB in the beginning and 73.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213211.91 ms. Allocated memory was 140.0 MB in the beginning and 471.9 MB in the end (delta: 331.9 MB). Free memory was 73.0 MB in the beginning and 403.7 MB in the end (delta: -330.6 MB). Peak memory consumption was 368.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...