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-5-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 18:52:44,866 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 18:52:44,868 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 18:52:44,880 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-07 18:52:44,916 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-01-07 18:52:44,938 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 18:52:44,938 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 18:52:44,939 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 18:52:44,939 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 18:52:44,939 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 18:52:44,939 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 18:52:44,939 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 18:52:44,940 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 18:52:44,940 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 18:52:44,941 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-07 18:52:44,941 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 18:52:44,941 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 18:52:44,941 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 18:52:44,942 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 18:52:44,942 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 18:52:44,942 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 18:52:44,943 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 18:52:44,943 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 18:52:44,943 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 18:52:44,943 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 18:52:44,943 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 18:52:44,943 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 18:52:44,944 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 18:52:44,944 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 18:52:44,944 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 18:52:44,944 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 18:52:44,944 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 18:52:44,946 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 18:52:44,946 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 18:52:44,947 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 18:52:44,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 18:52:44,947 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 18:52:44,947 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 18:52:44,947 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 18:52:44,948 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 18:52:44,948 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 18:52:44,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 18:52:44,948 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 18:52:44,948 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 18:52:44,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 18:52:45,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 18:52:45,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 18:52:45,012 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 18:52:45,013 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 18:52:45,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-5-unlimited.bpl [2019-01-07 18:52:45,014 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-5-unlimited.bpl' [2019-01-07 18:52:45,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 18:52:45,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 18:52:45,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 18:52:45,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 18:52:45,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 18:52:45,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... [2019-01-07 18:52:45,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... [2019-01-07 18:52:45,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 18:52:45,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 18:52:45,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 18:52:45,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 18:52:45,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... [2019-01-07 18:52:45,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... [2019-01-07 18:52:45,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... [2019-01-07 18:52:45,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... [2019-01-07 18:52:45,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... [2019-01-07 18:52:45,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... [2019-01-07 18:52:45,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... [2019-01-07 18:52:45,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 18:52:45,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 18:52:45,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 18:52:45,175 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 18:52:45,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 18:52:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 18:52:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 18:52:45,846 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 18:52:45,847 INFO L286 CfgBuilder]: Removed 13 assue(true) statements. [2019-01-07 18:52:45,848 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 06:52:45 BoogieIcfgContainer [2019-01-07 18:52:45,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 18:52:45,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-07 18:52:45,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-07 18:52:45,853 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-07 18:52:45,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:52:45" (1/2) ... [2019-01-07 18:52:45,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d7ab8e and model type speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 06:52:45, skipping insertion in model container [2019-01-07 18:52:45,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-5-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 06:52:45" (2/2) ... [2019-01-07 18:52:45,856 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-5-unlimited.bpl [2019-01-07 18:52:45,866 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-07 18:52:45,874 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-01-07 18:52:45,892 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-01-07 18:52:45,925 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-07 18:52:45,925 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-07 18:52:45,925 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-07 18:52:45,925 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-07 18:52:45,925 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-07 18:52:45,926 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-07 18:52:45,926 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-07 18:52:45,926 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-07 18:52:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-01-07 18:52:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-01-07 18:52:45,946 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:52:45,947 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-01-07 18:52:45,950 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:52:45,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:52:45,955 INFO L82 PathProgramCache]: Analyzing trace with hash 984, now seen corresponding path program 1 times [2019-01-07 18:52:45,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:52:46,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:52:46,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:52:46,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:52:46,006 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:52:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:52:46,199 INFO L273 TraceCheckUtils]: 0: Hoare triple {16#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {18#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:52:46,217 INFO L273 TraceCheckUtils]: 1: Hoare triple {18#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {17#false} is VALID [2019-01-07 18:52:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:52:46,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 18:52:46,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-07 18:52:46,222 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 18:52:46,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 18:52:46,230 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:52:46,234 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-07 18:52:46,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:52:46,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 18:52:46,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 18:52:46,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 18:52:46,284 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2019-01-07 18:52:46,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:52:46,763 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2019-01-07 18:52:46,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 18:52:46,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 18:52:46,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:52:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:52:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2019-01-07 18:52:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:52:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2019-01-07 18:52:46,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 33 transitions. [2019-01-07 18:52:46,855 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:52:46,867 INFO L225 Difference]: With dead ends: 25 [2019-01-07 18:52:46,867 INFO L226 Difference]: Without dead ends: 20 [2019-01-07 18:52:46,871 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 18:52:46,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-07 18:52:46,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 12. [2019-01-07 18:52:46,951 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:52:46,952 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 12 states. [2019-01-07 18:52:46,953 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 12 states. [2019-01-07 18:52:46,953 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 12 states. [2019-01-07 18:52:46,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:52:46,957 INFO L93 Difference]: Finished difference Result 20 states and 28 transitions. [2019-01-07 18:52:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-01-07 18:52:46,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:52:46,960 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:52:46,960 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 20 states. [2019-01-07 18:52:46,961 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 20 states. [2019-01-07 18:52:46,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:52:46,965 INFO L93 Difference]: Finished difference Result 20 states and 28 transitions. [2019-01-07 18:52:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-01-07 18:52:46,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:52:46,966 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:52:46,966 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:52:46,966 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:52:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-07 18:52:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 21 transitions. [2019-01-07 18:52:46,971 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 21 transitions. Word has length 2 [2019-01-07 18:52:46,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:52:46,971 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 21 transitions. [2019-01-07 18:52:46,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 18:52:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2019-01-07 18:52:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 18:52:46,972 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:52:46,972 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 18:52:46,973 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:52:46,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:52:46,973 INFO L82 PathProgramCache]: Analyzing trace with hash 30372, now seen corresponding path program 1 times [2019-01-07 18:52:46,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:52:46,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:52:46,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:52:46,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:52:46,975 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:52:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:52:47,228 INFO L273 TraceCheckUtils]: 0: Hoare triple {102#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {104#(and (= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} is VALID [2019-01-07 18:52:47,247 INFO L273 TraceCheckUtils]: 1: Hoare triple {104#(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]; {105#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:52:47,260 INFO L273 TraceCheckUtils]: 2: Hoare triple {105#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {103#false} is VALID [2019-01-07 18:52:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:52:47,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:52:47,261 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:52:47,262 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 18:52:47,264 INFO L207 CegarAbsIntRunner]: [0], [18], [23] [2019-01-07 18:52:47,318 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 18:52:47,318 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:52:51,646 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:52:51,646 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:52:51,647 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:52:51,648 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:52:51,648 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_67_1 Int) (v_v_46_1 Int) (v_v_69_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_#valid| v_idx_27) v_v_54_1) (< v_idx_27 (+ c_ULTIMATE.start_main_p5 1))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_26) (< v_idx_26 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_26) 1)) (or (= (select |c_#memory_int| v_idx_18) v_v_67_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_18)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_22)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_22) (< v_idx_22 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_21) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_21) v_v_46_1)) (or (= (select |c_#memory_int| v_idx_20) v_v_69_1) (< v_idx_20 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_23 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_23) v_v_48_1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_24)) (or (= 0 (select |c_#memory_int| v_idx_19)) (< v_idx_19 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_19)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (= (select |c_old(#memory_int)| v_idx_17) v_v_4_1) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_25) (= (select |c_#valid| v_idx_25) v_v_52_1)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:52:51,648 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:52:51,649 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:52:51,649 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_46_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_70_1 Int) (v_v_2_1 Int) (v_v_72_1 Int) (v_v_71_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_2_1 (select |c_old(#valid)| v_idx_35)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_32) v_v_46_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_32)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= (select |c_old(#memory_int)| v_idx_28) v_v_4_1) (or (= v_v_48_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_34)) (< v_idx_34 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_33 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_33) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_33))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_36) (= (select |c_#valid| v_idx_36) v_v_52_1)) (or (= (select |c_#valid| v_idx_38) v_v_54_1) (< v_idx_38 (+ c_ULTIMATE.start_main_p5 1))) (or (<= c_ULTIMATE.start_main_p4 v_idx_29) (= (select |c_#memory_int| v_idx_29) v_v_70_1)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_37) (= (select |c_#valid| v_idx_37) 1) (< v_idx_37 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_#memory_int| v_idx_31) v_v_72_1) (< v_idx_31 (+ c_ULTIMATE.start_main_p4 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_30) (< v_idx_30 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_30) v_v_71_1)))))} [2019-01-07 18:52:51,649 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:52:51,995 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:52:51,995 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:52:52,338 WARN L270 ngHoareTripleChecker]: Pre: {2147483645#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_19 Int)) (or (= 0 (select |#memory_int| v_idx_19)) (< v_idx_19 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_19))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_26 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_26) (< v_idx_26 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_26) 1))) (forall ((v_idx_22 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_22)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_22) (< v_idx_22 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:52:52,338 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:52:52,339 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:52:52,574 WARN L276 ngHoareTripleChecker]: Post: {2147483644#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_37 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_37) (= (select |#valid| v_idx_37) 1) (< v_idx_37 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_33 Int)) (or (< v_idx_33 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_33) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_33)))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:52:55,811 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:52:55,811 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:52:55,812 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:52:55,812 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:52:55,813 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_46_1 Int) (v_v_67_1 Int) (v_v_69_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_42 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_42) v_v_69_1)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_39)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_47) (= (select |c_#valid| v_idx_47) v_v_52_1)) (or (= 0 (select |c_#memory_int| v_idx_41)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_41) (< v_idx_41 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_49 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_49) v_v_54_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_43) v_v_46_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_43)) (or (< v_idx_48 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_48) (= 1 (select |c_#valid| v_idx_48))) (= v_v_2_1 (select |c_old(#valid)| v_idx_46)) (or (< v_idx_45 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_45) v_v_48_1)) (or (< v_idx_44 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_44) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_44))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_40) (= (select |c_#memory_int| v_idx_40) v_v_67_1)))))} [2019-01-07 18:52:55,813 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:52:55,813 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:52:55,813 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_46_1 Int) (v_v_85_1 Int) (v_v_52_1 Int) (v_v_84_1 Int) (v_v_54_1 Int) (v_v_86_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_52_1 (select |c_#valid| v_idx_58)) (<= c_ULTIMATE.start_malloc_ptr v_idx_58)) (or (= v_v_48_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_56)) (< v_idx_56 (+ c_ULTIMATE.start_main_p5 1))) (or (= (select |c_#valid| v_idx_60) v_v_54_1) (< v_idx_60 (+ c_ULTIMATE.start_main_p5 1))) (<= (- v_v_85_1 (- v_v_85_1)) (- 2)) (or (< v_idx_53 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_53) v_v_86_1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_57)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_54) (= v_v_46_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_54))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_55)) (< v_idx_55 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_55)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_52) (= (select |c_#memory_int| v_idx_52) v_v_85_1) (< v_idx_52 c_ULTIMATE.start_main_p1)) (= (select |c_old(#memory_int)| v_idx_50) v_v_4_1) (or (= (select |c_#memory_int| v_idx_51) v_v_84_1) (<= c_ULTIMATE.start_main_p1 v_idx_51)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (<= (+ v_v_85_1 1) 0) (or (< v_idx_59 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_59) (= 1 (select |c_#valid| v_idx_59))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:52:55,814 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:52:56,011 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:52:56,011 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:52:56,301 WARN L270 ngHoareTripleChecker]: Pre: {2147483643#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_48 Int)) (or (< v_idx_48 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_48) (= 1 (select |#valid| v_idx_48)))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_44 Int)) (or (< v_idx_44 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_44) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_44)))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_41 Int)) (or (= 0 (select |#memory_int| v_idx_41)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_41) (< v_idx_41 ULTIMATE.start_malloc_ptr))))} [2019-01-07 18:52:56,301 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:52:56,301 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:52:56,543 WARN L276 ngHoareTripleChecker]: Post: {2147483642#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 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_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_52 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_52) (<= (+ (select |#memory_int| v_idx_52) 1) 0) (< v_idx_52 ULTIMATE.start_main_p1))) (forall ((v_idx_55 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_55)) (< v_idx_55 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_55))) (forall ((v_idx_59 Int)) (or (< v_idx_59 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_59) (= 1 (select |#valid| v_idx_59)))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:52:59,535 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:52:59,535 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:52:59,536 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:52:59,536 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:52:59,536 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_46_1 Int) (v_v_67_1 Int) (v_v_69_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_#memory_int| v_idx_64) v_v_69_1) (< v_idx_64 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_65) v_v_46_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_65)) (= v_v_2_1 (select |c_old(#valid)| v_idx_68)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_63) (< v_idx_63 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_63) 0)) (or (= (select |c_#valid| v_idx_71) v_v_54_1) (< v_idx_71 (+ c_ULTIMATE.start_main_p5 1))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_61)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_66) (< v_idx_66 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_66) 0)) (or (= v_v_48_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_67)) (< v_idx_67 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_69) (= (select |c_#valid| v_idx_69) v_v_52_1)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_70) (< v_idx_70 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_70) 1)) (or (= v_v_67_1 (select |c_#memory_int| v_idx_62)) (<= c_ULTIMATE.start_malloc_ptr v_idx_62)) (<= (- (- c_ULTIMATE.start_main_p5) (- 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_46_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_70_1 Int) (v_v_2_1 Int) (v_v_72_1 Int) (v_v_71_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_#memory_int| v_idx_73) v_v_70_1) (<= c_ULTIMATE.start_main_p4 v_idx_73)) (= v_v_2_1 (select |c_old(#valid)| v_idx_79)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_76) v_v_46_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_76)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= v_v_48_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_78)) (< v_idx_78 (+ c_ULTIMATE.start_main_p5 1))) (or (= (select |c_#valid| v_idx_80) v_v_52_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_80)) (or (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_74) (< v_idx_74 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_74) v_v_71_1)) (or (< v_idx_75 (+ c_ULTIMATE.start_main_p4 1)) (= (select |c_#memory_int| v_idx_75) v_v_72_1)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_72)) (or (< v_idx_81 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_81) 1) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_81)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_77) (< v_idx_77 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_82 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_82) v_v_54_1)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:52:59,537 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:52:59,537 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:52:59,537 WARN L230 ngHoareTripleChecker]: Post: {2147483640#(forall ((v_idx_89 Int) (v_idx_87 Int) (v_idx_88 Int) (v_idx_85 Int) (v_idx_86 Int) (v_idx_83 Int) (v_idx_84 Int) (v_idx_92 Int) (v_idx_93 Int) (v_idx_90 Int) (v_idx_91 Int)) (exists ((v_v_89_1 Int) (v_v_46_1 Int) (v_v_88_1 Int) (v_v_52_1 Int) (v_v_87_1 Int) (v_v_54_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_91) (= (select |c_#valid| v_idx_91) v_v_52_1)) (or (= (select |c_#valid| v_idx_92) 1) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_92) (< v_idx_92 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_#memory_int| v_idx_86) v_v_89_1) (< v_idx_86 (+ c_ULTIMATE.start_main_p4 1))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_88)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_88) (< v_idx_88 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_#valid| v_idx_93) v_v_54_1) (< v_idx_93 (+ c_ULTIMATE.start_main_p5 1))) (= (select |c_old(#valid)| v_idx_90) v_v_2_1) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_87) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_87) v_v_46_1)) (or (< v_idx_89 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_48_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_89))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_85) (< v_idx_85 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_85) v_v_88_1)) (= (select |c_old(#memory_int)| v_idx_83) v_v_4_1) (or (= (select |c_#memory_int| v_idx_84) v_v_87_1) (<= c_ULTIMATE.start_main_p4 v_idx_84)))))} [2019-01-07 18:52:59,538 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:53:00,091 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:53:00,091 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:53:08,449 WARN L181 SmtUtils]: Spent 8.36 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-07 18:53:08,450 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_46_1 Int) (v_v_67_1 Int) (v_v_69_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= (select |#memory_int| v_idx_64) v_v_69_1) (< v_idx_64 (+ ULTIMATE.start_main_p5 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_65) v_v_46_1) (<= ULTIMATE.start_malloc_ptr v_idx_65)) (= v_v_2_1 (select |old(#valid)| v_idx_68)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_63) (< v_idx_63 ULTIMATE.start_malloc_ptr) (= (select |#memory_int| v_idx_63) 0)) (or (= (select |#valid| v_idx_71) v_v_54_1) (< v_idx_71 (+ ULTIMATE.start_main_p5 1))) (= v_v_4_1 (select |old(#memory_int)| v_idx_61)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_66) (< v_idx_66 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_66) 0)) (or (= v_v_48_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_67)) (< v_idx_67 (+ ULTIMATE.start_main_p5 1))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_malloc_ptr v_idx_69) (= (select |#valid| v_idx_69) v_v_52_1)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_70) (< v_idx_70 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_70) 1)) (or (= v_v_67_1 (select |#memory_int| v_idx_62)) (<= ULTIMATE.start_malloc_ptr v_idx_62)) (<= (- (- ULTIMATE.start_main_p5) (- 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_46_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_70_1 Int) (v_v_2_1 Int) (v_v_72_1 Int) (v_v_71_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= (select |#memory_int| v_idx_73) v_v_70_1) (<= ULTIMATE.start_main_p4 v_idx_73)) (= v_v_2_1 (select |old(#valid)| v_idx_79)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_76) v_v_46_1) (<= ULTIMATE.start_malloc_ptr v_idx_76)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (= v_v_48_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_78)) (< v_idx_78 (+ ULTIMATE.start_main_p5 1))) (or (= (select |#valid| v_idx_80) v_v_52_1) (<= ULTIMATE.start_malloc_ptr v_idx_80)) (or (<= (+ ULTIMATE.start_main_p4 1) v_idx_74) (< v_idx_74 ULTIMATE.start_main_p4) (= (select |#memory_int| v_idx_74) v_v_71_1)) (or (< v_idx_75 (+ ULTIMATE.start_main_p4 1)) (= (select |#memory_int| v_idx_75) v_v_72_1)) (= v_v_4_1 (select |old(#memory_int)| v_idx_72)) (or (< v_idx_81 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_81) 1) (<= (+ ULTIMATE.start_main_p5 1) v_idx_81)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (<= (+ ULTIMATE.start_main_p5 1) v_idx_77) (< v_idx_77 ULTIMATE.start_malloc_ptr)) (or (< v_idx_82 (+ ULTIMATE.start_main_p5 1)) (= (select |#valid| v_idx_82) v_v_54_1)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:53:08,450 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:53:08,450 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:53:08,492 WARN L276 ngHoareTripleChecker]: Post: {2147483640#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_88 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_88)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_88) (< v_idx_88 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_92 Int)) (or (= (select |#valid| v_idx_92) 1) (<= (+ ULTIMATE.start_main_p5 1) v_idx_92) (< v_idx_92 ULTIMATE.start_malloc_ptr))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:53:12,539 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:53:12,540 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:53:12,540 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:53:12,540 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:53:12,541 WARN L224 ngHoareTripleChecker]: Pre: {2147483639#(or (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_46_1 Int) (v_v_67_1 Int) (v_v_69_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_97 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_69_1 (select |c_#memory_int| v_idx_97))) (or (< v_idx_96 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_96) 0) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_96)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= (select |c_old(#valid)| v_idx_101) v_v_2_1) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_100) v_v_48_1) (< v_idx_100 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_104 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_1 (select |c_#valid| v_idx_104))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_98) v_v_46_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_98)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_103) (< v_idx_103 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_103))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_95) (= (select |c_#memory_int| v_idx_95) v_v_67_1)) (= (select |c_old(#memory_int)| v_idx_94) v_v_4_1) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_102) (= v_v_52_1 (select |c_#valid| v_idx_102))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_99) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_99)) (< v_idx_99 c_ULTIMATE.start_malloc_ptr)) (<= (- (- c_ULTIMATE.start_main_p5) (- 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_46_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_70_1 Int) (v_v_72_1 Int) (v_v_2_1 Int) (v_v_71_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_109) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_109) v_v_46_1)) (or (= (select |c_#memory_int| v_idx_108) v_v_72_1) (< v_idx_108 (+ c_ULTIMATE.start_main_p4 1))) (or (< v_idx_115 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_1 (select |c_#valid| v_idx_115))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= c_ULTIMATE.start_main_p4 v_idx_106) (= (select |c_#memory_int| v_idx_106) v_v_70_1)) (or (< v_idx_114 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_114)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_114)) (or (< v_idx_107 c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_107) (= (select |c_#memory_int| v_idx_107) v_v_71_1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_110) 0) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_110) (< v_idx_110 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_113) (= v_v_52_1 (select |c_#valid| v_idx_113))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_105)) (= v_v_2_1 (select |c_old(#valid)| v_idx_112)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_111) v_v_48_1) (< v_idx_111 (+ c_ULTIMATE.start_main_p5 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:53:12,541 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:53:12,541 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:53:12,541 WARN L230 ngHoareTripleChecker]: Post: {2147483638#(forall ((v_idx_126 Int) (v_idx_116 Int) (v_idx_124 Int) (v_idx_125 Int) (v_idx_119 Int) (v_idx_117 Int) (v_idx_118 Int) (v_idx_122 Int) (v_idx_123 Int) (v_idx_120 Int) (v_idx_121 Int)) (exists ((v_v_131_1 Int) (v_v_46_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_132_1 Int) (v_v_48_1 Int) (v_v_133_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= (select |c_old(#valid)| v_idx_123) v_v_2_1) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_122) v_v_48_1) (< v_idx_122 (+ c_ULTIMATE.start_main_p5 1))) (or (= v_v_54_1 (select |c_#valid| v_idx_126)) (< v_idx_126 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_124) (= v_v_52_1 (select |c_#valid| v_idx_124))) (or (< v_idx_125 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_125)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_125)) (<= (+ v_v_132_1 1) 0) (or (= (select |c_#memory_int| v_idx_118) v_v_132_1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_118) (< v_idx_118 c_ULTIMATE.start_main_p1)) (or (<= c_ULTIMATE.start_main_p1 v_idx_117) (= (select |c_#memory_int| v_idx_117) v_v_131_1)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_116)) (<= (- v_v_132_1 (- v_v_132_1)) (- 2)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_121)) (< v_idx_121 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_121)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_120) (= v_v_46_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_120))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_119 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_119) v_v_133_1)))))} [2019-01-07 18:53:12,542 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:53:12,886 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:53:12,886 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:53:21,006 WARN L181 SmtUtils]: Spent 8.12 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-07 18:53:21,007 WARN L270 ngHoareTripleChecker]: Pre: {2147483639#(or (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_46_1 Int) (v_v_67_1 Int) (v_v_69_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_97 (+ ULTIMATE.start_main_p5 1)) (= v_v_69_1 (select |#memory_int| v_idx_97))) (or (< v_idx_96 ULTIMATE.start_malloc_ptr) (= (select |#memory_int| v_idx_96) 0) (<= (+ ULTIMATE.start_main_p5 1) v_idx_96)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (= (select |old(#valid)| v_idx_101) v_v_2_1) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_100) v_v_48_1) (< v_idx_100 (+ ULTIMATE.start_main_p5 1))) (or (< v_idx_104 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_1 (select |#valid| v_idx_104))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_98) v_v_46_1) (<= ULTIMATE.start_malloc_ptr v_idx_98)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_103) (< v_idx_103 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_103))) (or (<= ULTIMATE.start_malloc_ptr v_idx_95) (= (select |#memory_int| v_idx_95) v_v_67_1)) (= (select |old(#memory_int)| v_idx_94) v_v_4_1) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_malloc_ptr v_idx_102) (= v_v_52_1 (select |#valid| v_idx_102))) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_99) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_99)) (< v_idx_99 ULTIMATE.start_malloc_ptr)) (<= (- (- ULTIMATE.start_main_p5) (- 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_46_1 Int) (v_v_52_1 Int) (v_v_54_1 Int) (v_v_70_1 Int) (v_v_72_1 Int) (v_v_2_1 Int) (v_v_71_1 Int) (v_v_4_1 Int) (v_v_48_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_109) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_109) v_v_46_1)) (or (= (select |#memory_int| v_idx_108) v_v_72_1) (< v_idx_108 (+ ULTIMATE.start_main_p4 1))) (or (< v_idx_115 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_1 (select |#valid| v_idx_115))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (<= ULTIMATE.start_main_p4 v_idx_106) (= (select |#memory_int| v_idx_106) v_v_70_1)) (or (< v_idx_114 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_114)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_114)) (or (< v_idx_107 ULTIMATE.start_main_p4) (<= (+ ULTIMATE.start_main_p4 1) v_idx_107) (= (select |#memory_int| v_idx_107) v_v_71_1)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_110) 0) (<= (+ ULTIMATE.start_main_p5 1) v_idx_110) (< v_idx_110 ULTIMATE.start_malloc_ptr)) (or (<= ULTIMATE.start_malloc_ptr v_idx_113) (= v_v_52_1 (select |#valid| v_idx_113))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (= v_v_4_1 (select |old(#memory_int)| v_idx_105)) (= v_v_2_1 (select |old(#valid)| v_idx_112)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_111) v_v_48_1) (< v_idx_111 (+ ULTIMATE.start_main_p5 1))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:53:21,007 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:53:21,007 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:53:21,194 WARN L276 ngHoareTripleChecker]: Post: {2147483638#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_121 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_121)) (< v_idx_121 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_121))) (forall ((v_idx_118 Int)) (or (<= (+ (* 2 (select |#memory_int| v_idx_118)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_118) (< v_idx_118 ULTIMATE.start_main_p1))) (<= ULTIMATE.start_main_p5 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_125 Int)) (or (< v_idx_125 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_125)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_125))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:53:21,415 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 18:53:21,416 INFO L272 AbstractInterpreter]: Visited 3 different actions 5 times. Merged at 1 different actions 1 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-07 18:53:21,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:53:21,423 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-07 18:53:21,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:53:21,423 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-07 18:53:21,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:53:21,433 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:53:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:53:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:53:21,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:53:21,543 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:53:21,550 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 31 treesize of output 40 [2019-01-07 18:53:21,612 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:53:21,615 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:53:21,617 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 27 treesize of output 42 [2019-01-07 18:53:21,704 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:53:21,707 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:53:21,709 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:53:21,741 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:53:21,742 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2019-01-07 18:53:21,748 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-07 18:53:21,773 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:53:21,789 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:53:21,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2019-01-07 18:53:21,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 27 [2019-01-07 18:53:21,844 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 37 [2019-01-07 18:53:21,866 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 25 treesize of output 51 [2019-01-07 18:53:21,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 50 [2019-01-07 18:53:21,895 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-07 18:53:21,920 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:53:21,963 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:53:21,979 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:53:21,995 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:53:22,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-01-07 18:53:22,034 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:52, output treesize:50 [2019-01-07 18:53:22,044 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:53:22,044 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_27|, ULTIMATE.start_main_p2, ULTIMATE.start_main_p3, ULTIMATE.start_main_p5, |v_#valid_7|]. (let ((.cse0 (store |v_#valid_7| ULTIMATE.start_main_p1 1))) (let ((.cse1 (store .cse0 ULTIMATE.start_main_p2 1))) (and (= 0 (select .cse0 ULTIMATE.start_main_p2)) (= 0 (select (store .cse1 ULTIMATE.start_main_p3 1) ULTIMATE.start_main_p4)) (= (select .cse1 ULTIMATE.start_main_p3) 0) (= |#memory_int| (store (store (store (store (store |v_#memory_int_27| 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))))) [2019-01-07 18:53:22,045 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p3, ULTIMATE.start_main_p5, ULTIMATE.start_main_p2]. (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0)) [2019-01-07 18:53:22,226 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:53:22,228 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 45 [2019-01-07 18:53:22,245 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:53:22,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-01-07 18:53:22,277 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:55, output treesize:33 [2019-01-07 18:53:22,317 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:53:22,317 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_28|, ULTIMATE.start_main_p4, ULTIMATE.start_main_p3, ULTIMATE.start_main_p2]. (let ((.cse0 (select |v_#memory_int_28| ULTIMATE.start_main_p4))) (and (= (store |v_#memory_int_28| ULTIMATE.start_main_p4 (+ .cse0 (- 1))) |#memory_int|) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (= 0 (select |v_#memory_int_28| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (= (select |v_#memory_int_28| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |v_#memory_int_28| ULTIMATE.start_main_p3)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= .cse0 0))) [2019-01-07 18:53:22,317 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p3, ULTIMATE.start_main_p2, ULTIMATE.start_main_p4]. (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) (- 1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0)) [2019-01-07 18:53:22,346 INFO L273 TraceCheckUtils]: 0: Hoare triple {102#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {109#(and (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0))) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} is VALID [2019-01-07 18:53:22,349 INFO L273 TraceCheckUtils]: 1: Hoare triple {109#(and (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0))) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; {113#(and (exists ((ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int)) (= (+ (select |#memory_int| ULTIMATE.start_main_p4) 1) 0)))} is VALID [2019-01-07 18:53:22,350 INFO L273 TraceCheckUtils]: 2: Hoare triple {113#(and (exists ((ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int)) (= (+ (select |#memory_int| ULTIMATE.start_main_p4) 1) 0)))} assume !(#memory_int[main_p1] >= 0); {103#false} is VALID [2019-01-07 18:53:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:53:22,351 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:53:22,379 INFO L273 TraceCheckUtils]: 2: Hoare triple {117#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} assume !(#memory_int[main_p1] >= 0); {103#false} is VALID [2019-01-07 18:53:22,380 INFO L273 TraceCheckUtils]: 1: Hoare triple {121#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1))} #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; {117#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:53:22,383 INFO L273 TraceCheckUtils]: 0: Hoare triple {102#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {121#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:53:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:53:22,407 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:53:22,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 6 [2019-01-07 18:53:22,407 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:53:22,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-07 18:53:22,409 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:53:22,409 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2019-01-07 18:53:22,430 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:53:22,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-07 18:53:22,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-07 18:53:22,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-07 18:53:22,431 INFO L87 Difference]: Start difference. First operand 12 states and 21 transitions. Second operand 6 states. [2019-01-07 18:53:22,655 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-01-07 18:53:23,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:53:23,122 INFO L93 Difference]: Finished difference Result 39 states and 56 transitions. [2019-01-07 18:53:23,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-07 18:53:23,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-07 18:53:23,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:53:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-07 18:53:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2019-01-07 18:53:23,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-07 18:53:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2019-01-07 18:53:23,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 56 transitions. [2019-01-07 18:53:23,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:53:23,276 INFO L225 Difference]: With dead ends: 39 [2019-01-07 18:53:23,276 INFO L226 Difference]: Without dead ends: 37 [2019-01-07 18:53:23,277 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-01-07 18:53:23,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-01-07 18:53:23,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 16. [2019-01-07 18:53:23,297 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:53:23,297 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 16 states. [2019-01-07 18:53:23,298 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 16 states. [2019-01-07 18:53:23,298 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 16 states. [2019-01-07 18:53:23,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:53:23,302 INFO L93 Difference]: Finished difference Result 37 states and 53 transitions. [2019-01-07 18:53:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2019-01-07 18:53:23,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:53:23,303 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:53:23,303 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 37 states. [2019-01-07 18:53:23,303 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 37 states. [2019-01-07 18:53:23,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:53:23,306 INFO L93 Difference]: Finished difference Result 37 states and 53 transitions. [2019-01-07 18:53:23,307 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2019-01-07 18:53:23,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:53:23,307 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:53:23,308 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:53:23,308 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:53:23,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-07 18:53:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 32 transitions. [2019-01-07 18:53:23,310 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 32 transitions. Word has length 3 [2019-01-07 18:53:23,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:53:23,310 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 32 transitions. [2019-01-07 18:53:23,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-07 18:53:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 32 transitions. [2019-01-07 18:53:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 18:53:23,311 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:53:23,311 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 18:53:23,311 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:53:23,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:53:23,312 INFO L82 PathProgramCache]: Analyzing trace with hash 30434, now seen corresponding path program 1 times [2019-01-07 18:53:23,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:53:23,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:53:23,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:53:23,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:53:23,313 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:53:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:53:23,449 INFO L273 TraceCheckUtils]: 0: Hoare triple {262#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {264#(and (or (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p5 (+ (select |#memory_int| ULTIMATE.start_main_p5) 1)) ULTIMATE.start_main_p1))) (= (select |#memory_int| ULTIMATE.start_main_p5) 0))} is VALID [2019-01-07 18:53:23,454 INFO L273 TraceCheckUtils]: 1: Hoare triple {264#(and (or (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p5 (+ (select |#memory_int| ULTIMATE.start_main_p5) 1)) ULTIMATE.start_main_p1))) (= (select |#memory_int| ULTIMATE.start_main_p5) 0))} #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; {265#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:53:23,456 INFO L273 TraceCheckUtils]: 2: Hoare triple {265#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} assume !(#memory_int[main_p1] >= 0); {263#false} is VALID [2019-01-07 18:53:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:53:23,456 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:53:23,456 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:53:23,456 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 18:53:23,457 INFO L207 CegarAbsIntRunner]: [0], [20], [23] [2019-01-07 18:53:23,460 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 18:53:23,460 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:53:26,385 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:53:26,385 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:53:26,386 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:53:26,386 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:53:26,386 WARN L224 ngHoareTripleChecker]: Pre: {2147483635#(forall ((v_idx_148 Int) (v_idx_149 Int) (v_idx_146 Int) (v_idx_147 Int) (v_idx_151 Int) (v_idx_152 Int) (v_idx_150 Int) (v_idx_144 Int) (v_idx_145 Int) (v_idx_153 Int) (v_idx_143 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_148) 0) (< v_idx_148 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_148)) (or (= (select |c_#memory_int| v_idx_146) v_v_69_2) (< v_idx_146 (+ c_ULTIMATE.start_main_p5 1))) (= (select |c_old(#memory_int)| v_idx_143) v_v_4_2) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_152 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_152)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_152)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_144) (= v_v_67_2 (select |c_#memory_int| v_idx_144))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_151) (= v_v_52_2 (select |c_#valid| v_idx_151))) (or (< v_idx_149 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_149) v_v_48_2)) (= v_v_2_2 (select |c_old(#valid)| v_idx_150)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_145 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_#memory_int| v_idx_145)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_145)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_147) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_147)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_54_2 (select |c_#valid| v_idx_153)) (< v_idx_153 (+ c_ULTIMATE.start_main_p5 1))))))} [2019-01-07 18:53:26,386 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:53:26,386 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:53:26,387 WARN L230 ngHoareTripleChecker]: Post: {2147483634#(forall ((v_idx_159 Int) (v_idx_157 Int) (v_idx_158 Int) (v_idx_162 Int) (v_idx_163 Int) (v_idx_160 Int) (v_idx_161 Int) (v_idx_155 Int) (v_idx_156 Int) (v_idx_164 Int) (v_idx_154 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_154)) (or (< v_idx_156 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_156) (= (select |c_#memory_int| v_idx_156) 1)) (= v_v_2_2 (select |c_old(#valid)| v_idx_161)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_159) 0) (< v_idx_159 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_159)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_160) v_v_48_2) (< v_idx_160 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#memory_int| v_idx_157) v_v_69_2) (< v_idx_157 (+ c_ULTIMATE.start_main_p5 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_158) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_158)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_162) (= v_v_52_2 (select |c_#valid| v_idx_162))) (or (= v_v_54_2 (select |c_#valid| v_idx_164)) (< v_idx_164 (+ c_ULTIMATE.start_main_p5 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= 1 (select |c_#valid| v_idx_163)) (< v_idx_163 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_163)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_155) (= v_v_67_2 (select |c_#memory_int| v_idx_155))))))} [2019-01-07 18:53:26,387 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:53:27,143 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:53:27,143 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:53:27,221 WARN L270 ngHoareTripleChecker]: Pre: {2147483635#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_152 Int)) (or (< v_idx_152 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_152)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_152))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_145 Int)) (or (< v_idx_145 ULTIMATE.start_malloc_ptr) (= 0 (select |#memory_int| v_idx_145)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_145))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_148 Int)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_148) 0) (< v_idx_148 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_148))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:53:27,221 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:53:27,221 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:53:27,388 WARN L276 ngHoareTripleChecker]: Post: {2147483634#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_163 Int)) (or (= 1 (select |#valid| v_idx_163)) (< v_idx_163 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_163))) (forall ((v_idx_159 Int)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_159) 0) (< v_idx_159 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_159))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_156 Int)) (or (< v_idx_156 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_156) (= (select |#memory_int| v_idx_156) 1))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:53:30,349 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:53:30,350 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:53:30,350 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:53:30,350 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:53:30,351 WARN L224 ngHoareTripleChecker]: Pre: {2147483633#(forall ((v_idx_168 Int) (v_idx_169 Int) (v_idx_170 Int) (v_idx_173 Int) (v_idx_174 Int) (v_idx_171 Int) (v_idx_172 Int) (v_idx_166 Int) (v_idx_167 Int) (v_idx_175 Int) (v_idx_165 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_2_2 (select |c_old(#valid)| v_idx_172)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_171 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_48_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_171))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_166) (= (select |c_#memory_int| v_idx_166) v_v_67_2)) (or (= v_v_52_2 (select |c_#valid| v_idx_173)) (<= c_ULTIMATE.start_malloc_ptr v_idx_173)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_169) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_169)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_170)) (< v_idx_170 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_170)) (or (= v_v_54_2 (select |c_#valid| v_idx_175)) (< v_idx_175 (+ c_ULTIMATE.start_main_p5 1))) (or (= 1 (select |c_#valid| v_idx_174)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_174) (< v_idx_174 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_168 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_168) v_v_69_2)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_165)) (or (< v_idx_167 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_167) (= (select |c_#memory_int| v_idx_167) 0)))))} [2019-01-07 18:53:30,351 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:53:30,351 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:53:30,351 WARN L230 ngHoareTripleChecker]: Post: {2147483632#(forall ((v_idx_179 Int) (v_idx_180 Int) (v_idx_181 Int) (v_idx_184 Int) (v_idx_185 Int) (v_idx_182 Int) (v_idx_183 Int) (v_idx_177 Int) (v_idx_178 Int) (v_idx_186 Int) (v_idx_176 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_84_2 Int) (v_v_52_2 Int) (v_v_86_2 Int) (v_v_85_2 Int) (v_v_2_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_184) (= v_v_52_2 (select |c_#valid| v_idx_184))) (<= (- v_v_85_2 (- v_v_85_2)) (- 2)) (= v_v_2_2 (select |c_old(#valid)| v_idx_183)) (or (< v_idx_181 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_181)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_181)) (or (= (select |c_#memory_int| v_idx_177) v_v_84_2) (<= c_ULTIMATE.start_main_p1 v_idx_177)) (or (= (select |c_#memory_int| v_idx_178) v_v_85_2) (< v_idx_178 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_178)) (or (< v_idx_182 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_48_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_182))) (<= (+ v_v_85_2 1) 0) (or (= v_v_86_2 (select |c_#memory_int| v_idx_179)) (< v_idx_179 (+ c_ULTIMATE.start_main_p1 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_180) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_180)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_176)) (or (< v_idx_185 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_185)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_185)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_186 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_186))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:53:30,351 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:53:30,727 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:53:30,727 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:53:30,899 WARN L270 ngHoareTripleChecker]: Pre: {2147483633#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_174 Int)) (or (= 1 (select |#valid| v_idx_174)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_174) (< v_idx_174 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_167 Int)) (or (< v_idx_167 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_167) (= (select |#memory_int| v_idx_167) 0))) (forall ((v_idx_170 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_170)) (< v_idx_170 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_170))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:53:30,899 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:53:30,899 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:53:30,949 WARN L276 ngHoareTripleChecker]: Post: {2147483632#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_185 Int)) (or (< v_idx_185 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_185)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_185))) (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))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_181 Int)) (or (< v_idx_181 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_181)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_181))) (forall ((v_idx_178 Int)) (or (< v_idx_178 ULTIMATE.start_main_p1) (<= (+ (* 2 (select |#memory_int| v_idx_178)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_178))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:53:35,056 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:53:35,056 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:53:35,056 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:53:35,056 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:53:35,057 WARN L224 ngHoareTripleChecker]: Pre: {2147483631#(or (forall ((v_idx_191 Int) (v_idx_192 Int) (v_idx_190 Int) (v_idx_195 Int) (v_idx_196 Int) (v_idx_193 Int) (v_idx_194 Int) (v_idx_188 Int) (v_idx_189 Int) (v_idx_197 Int) (v_idx_187 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_#memory_int| v_idx_190) v_v_69_2) (< v_idx_190 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_195) (= v_v_52_2 (select |c_#valid| v_idx_195))) (or (< v_idx_197 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_197))) (or (< v_idx_193 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_193) v_v_48_2)) (or (< v_idx_189 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_189) 0) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_189)) (or (< v_idx_192 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_192)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_192)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_188) (= (select |c_#memory_int| v_idx_188) v_v_67_2)) (or (< v_idx_196 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_196) (= 1 (select |c_#valid| v_idx_196))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (= v_v_2_2 (select |c_old(#valid)| v_idx_194)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_187)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_191) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_191)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))) (forall ((v_idx_203 Int) (v_idx_204 Int) (v_idx_201 Int) (v_idx_202 Int) (v_idx_207 Int) (v_idx_208 Int) (v_idx_205 Int) (v_idx_206 Int) (v_idx_199 Int) (v_idx_200 Int) (v_idx_198 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_206) (= v_v_52_2 (select |c_#valid| v_idx_206))) (or (< v_idx_204 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_204) v_v_48_2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_207) (< v_idx_207 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_207))) (or (< v_idx_208 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_208))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_202) (= v_v_46_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_202))) (or (< v_idx_203 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_203) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_203) 0)) (or (= (select |c_#memory_int| v_idx_201) v_v_69_2) (< v_idx_201 (+ c_ULTIMATE.start_main_p5 1))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_200) (< v_idx_200 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#memory_int| v_idx_200))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#memory_int| v_idx_199) v_v_67_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_199)) (= v_v_2_2 (select |c_old(#valid)| v_idx_205)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#memory_int)| v_idx_198) v_v_4_2)))))} [2019-01-07 18:53:35,057 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:53:35,057 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:53:35,057 WARN L230 ngHoareTripleChecker]: Post: {2147483630#(or (forall ((v_idx_214 Int) (v_idx_215 Int) (v_idx_212 Int) (v_idx_213 Int) (v_idx_218 Int) (v_idx_219 Int) (v_idx_216 Int) (v_idx_217 Int) (v_idx_209 Int) (v_idx_210 Int) (v_idx_211 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_213) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_213)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= v_v_52_2 (select |c_#valid| v_idx_217)) (<= c_ULTIMATE.start_malloc_ptr v_idx_217)) (or (= 1 (select |c_#memory_int| v_idx_211)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_211) (< v_idx_211 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_219 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_219))) (or (< v_idx_214 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_214) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_214) 0)) (or (< v_idx_212 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_69_2 (select |c_#memory_int| v_idx_212))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= 1 (select |c_#valid| v_idx_218)) (< v_idx_218 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_218)) (= (select |c_old(#valid)| v_idx_216) v_v_2_2) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_210) (= (select |c_#memory_int| v_idx_210) v_v_67_2)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_209)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_215) v_v_48_2) (< v_idx_215 (+ c_ULTIMATE.start_main_p5 1)))))) (forall ((v_idx_225 Int) (v_idx_226 Int) (v_idx_223 Int) (v_idx_224 Int) (v_idx_229 Int) (v_idx_227 Int) (v_idx_228 Int) (v_idx_221 Int) (v_idx_222 Int) (v_idx_230 Int) (v_idx_220 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_225 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_225) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_225) 0)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_222) (= (select |c_#memory_int| v_idx_222) 2) (< v_idx_222 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_226 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_226) v_v_48_2)) (= (select |c_old(#memory_int)| v_idx_220) v_v_4_2) (or (= v_v_54_2 (select |c_#valid| v_idx_230)) (< v_idx_230 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_229 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_229)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_229)) (or (= v_v_52_2 (select |c_#valid| v_idx_228)) (<= c_ULTIMATE.start_malloc_ptr v_idx_228)) (or (= v_v_46_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_224)) (<= c_ULTIMATE.start_malloc_ptr v_idx_224)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_221) (= (select |c_#memory_int| v_idx_221) v_v_67_2)) (or (< v_idx_223 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_223) v_v_69_2)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_2 (select |c_old(#valid)| v_idx_227))))))} [2019-01-07 18:53:35,057 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:53:35,580 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:53:35,581 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:53:43,796 WARN L181 SmtUtils]: Spent 8.21 s on a formula simplification that was a NOOP. DAG size: 141 [2019-01-07 18:53:43,796 WARN L270 ngHoareTripleChecker]: Pre: {2147483631#(or (forall ((v_idx_191 Int) (v_idx_192 Int) (v_idx_190 Int) (v_idx_195 Int) (v_idx_196 Int) (v_idx_193 Int) (v_idx_194 Int) (v_idx_188 Int) (v_idx_189 Int) (v_idx_197 Int) (v_idx_187 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= (select |#memory_int| v_idx_190) v_v_69_2) (< v_idx_190 (+ ULTIMATE.start_main_p5 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (<= ULTIMATE.start_malloc_ptr v_idx_195) (= v_v_52_2 (select |#valid| v_idx_195))) (or (< v_idx_197 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |#valid| v_idx_197))) (or (< v_idx_193 (+ ULTIMATE.start_main_p5 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_193) v_v_48_2)) (or (< v_idx_189 ULTIMATE.start_malloc_ptr) (= (select |#memory_int| v_idx_189) 0) (<= (+ ULTIMATE.start_main_p5 1) v_idx_189)) (or (< v_idx_192 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_192)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_192)) (or (<= ULTIMATE.start_malloc_ptr v_idx_188) (= (select |#memory_int| v_idx_188) v_v_67_2)) (or (< v_idx_196 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_196) (= 1 (select |#valid| v_idx_196))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (= v_v_2_2 (select |old(#valid)| v_idx_194)) (= v_v_4_2 (select |old(#memory_int)| v_idx_187)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_191) v_v_46_2) (<= ULTIMATE.start_malloc_ptr v_idx_191)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))) (forall ((v_idx_203 Int) (v_idx_204 Int) (v_idx_201 Int) (v_idx_202 Int) (v_idx_207 Int) (v_idx_208 Int) (v_idx_205 Int) (v_idx_206 Int) (v_idx_199 Int) (v_idx_200 Int) (v_idx_198 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_206) (= v_v_52_2 (select |#valid| v_idx_206))) (or (< v_idx_204 (+ ULTIMATE.start_main_p5 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_204) v_v_48_2)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_207) (< v_idx_207 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_207))) (or (< v_idx_208 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |#valid| v_idx_208))) (or (<= ULTIMATE.start_malloc_ptr v_idx_202) (= v_v_46_2 (select |ULTIMATE.start_malloc_old_#valid| v_idx_202))) (or (< v_idx_203 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_203) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_203) 0)) (or (= (select |#memory_int| v_idx_201) v_v_69_2) (< v_idx_201 (+ ULTIMATE.start_main_p5 1))) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_200) (< v_idx_200 ULTIMATE.start_malloc_ptr) (= 1 (select |#memory_int| v_idx_200))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= (select |#memory_int| v_idx_199) v_v_67_2) (<= ULTIMATE.start_malloc_ptr v_idx_199)) (= v_v_2_2 (select |old(#valid)| v_idx_205)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (= (select |old(#memory_int)| v_idx_198) v_v_4_2)))))} [2019-01-07 18:53:43,796 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:53:43,797 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:53:52,053 WARN L181 SmtUtils]: Spent 8.26 s on a formula simplification that was a NOOP. DAG size: 142 [2019-01-07 18:53:52,053 WARN L276 ngHoareTripleChecker]: Post: {2147483630#(or (forall ((v_idx_214 Int) (v_idx_215 Int) (v_idx_212 Int) (v_idx_213 Int) (v_idx_218 Int) (v_idx_219 Int) (v_idx_216 Int) (v_idx_217 Int) (v_idx_209 Int) (v_idx_210 Int) (v_idx_211 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_213) v_v_46_2) (<= ULTIMATE.start_malloc_ptr v_idx_213)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (= v_v_52_2 (select |#valid| v_idx_217)) (<= ULTIMATE.start_malloc_ptr v_idx_217)) (or (= 1 (select |#memory_int| v_idx_211)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_211) (< v_idx_211 ULTIMATE.start_malloc_ptr)) (or (< v_idx_219 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |#valid| v_idx_219))) (or (< v_idx_214 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_214) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_214) 0)) (or (< v_idx_212 (+ ULTIMATE.start_main_p5 1)) (= v_v_69_2 (select |#memory_int| v_idx_212))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= 1 (select |#valid| v_idx_218)) (< v_idx_218 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_218)) (= (select |old(#valid)| v_idx_216) v_v_2_2) (or (<= ULTIMATE.start_malloc_ptr v_idx_210) (= (select |#memory_int| v_idx_210) v_v_67_2)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (= v_v_4_2 (select |old(#memory_int)| v_idx_209)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_215) v_v_48_2) (< v_idx_215 (+ ULTIMATE.start_main_p5 1)))))) (forall ((v_idx_225 Int) (v_idx_226 Int) (v_idx_223 Int) (v_idx_224 Int) (v_idx_229 Int) (v_idx_227 Int) (v_idx_228 Int) (v_idx_221 Int) (v_idx_222 Int) (v_idx_230 Int) (v_idx_220 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_225 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_225) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_225) 0)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_222) (= (select |#memory_int| v_idx_222) 2) (< v_idx_222 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (< v_idx_226 (+ ULTIMATE.start_main_p5 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_226) v_v_48_2)) (= (select |old(#memory_int)| v_idx_220) v_v_4_2) (or (= v_v_54_2 (select |#valid| v_idx_230)) (< v_idx_230 (+ ULTIMATE.start_main_p5 1))) (or (< v_idx_229 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_229)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_229)) (or (= v_v_52_2 (select |#valid| v_idx_228)) (<= ULTIMATE.start_malloc_ptr v_idx_228)) (or (= v_v_46_2 (select |ULTIMATE.start_malloc_old_#valid| v_idx_224)) (<= ULTIMATE.start_malloc_ptr v_idx_224)) (or (<= ULTIMATE.start_malloc_ptr v_idx_221) (= (select |#memory_int| v_idx_221) v_v_67_2)) (or (< v_idx_223 (+ ULTIMATE.start_main_p5 1)) (= (select |#memory_int| v_idx_223) v_v_69_2)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_2 (select |old(#valid)| v_idx_227))))))} [2019-01-07 18:54:08,932 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:08,932 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:08,933 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:08,933 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:08,933 WARN L224 ngHoareTripleChecker]: Pre: {2147483629#(or (forall ((v_idx_236 Int) (v_idx_237 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_238 Int) (v_idx_239 Int) (v_idx_240 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_241 Int) (v_idx_231 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_231)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_237) v_v_48_2) (< v_idx_237 (+ c_ULTIMATE.start_main_p5 1))) (or (= v_v_46_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_235)) (<= c_ULTIMATE.start_malloc_ptr v_idx_235)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_241 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_241))) (or (= v_v_52_2 (select |c_#valid| v_idx_239)) (<= c_ULTIMATE.start_malloc_ptr v_idx_239)) (= (select |c_old(#valid)| v_idx_238) v_v_2_2) (or (= (select |c_#memory_int| v_idx_233) 0) (< v_idx_233 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_233)) (or (< v_idx_240 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_240)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_240)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_236 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_236) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_236) 0)) (or (= (select |c_#memory_int| v_idx_232) v_v_67_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_232)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_234) v_v_69_2) (< v_idx_234 (+ c_ULTIMATE.start_main_p5 1)))))) (forall ((v_idx_247 Int) (v_idx_248 Int) (v_idx_245 Int) (v_idx_246 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_243 Int) (v_idx_244 Int) (v_idx_252 Int) (v_idx_242 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= (select |c_old(#valid)| v_idx_249) v_v_2_2) (or (= 1 (select |c_#memory_int| v_idx_244)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_244) (< v_idx_244 c_ULTIMATE.start_malloc_ptr)) (or (= 1 (select |c_#valid| v_idx_251)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_251) (< v_idx_251 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_245 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_245) v_v_69_2)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_248) v_v_48_2) (< v_idx_248 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_242)) (or (= (select |c_#memory_int| v_idx_243) v_v_67_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_243)) (or (= v_v_54_2 (select |c_#valid| v_idx_252)) (< v_idx_252 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_247 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_247) 0) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_247)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_246) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_246)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_250) (= v_v_52_2 (select |c_#valid| v_idx_250))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:54:08,933 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:08,933 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:08,934 WARN L230 ngHoareTripleChecker]: Post: {2147483628#(forall ((v_idx_258 Int) (v_idx_259 Int) (v_idx_256 Int) (v_idx_257 Int) (v_idx_261 Int) (v_idx_262 Int) (v_idx_260 Int) (v_idx_254 Int) (v_idx_255 Int) (v_idx_263 Int) (v_idx_253 Int)) (exists ((v_v_46_2 Int) (v_v_434_1 Int) (v_v_54_2 Int) (v_v_436_1 Int) (v_v_435_1 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_255) (< v_idx_255 c_ULTIMATE.start_main_p1) (= v_v_435_1 (select |c_#memory_int| v_idx_255))) (<= (+ v_v_435_1 1) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_253)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= v_v_52_2 (select |c_#valid| v_idx_261)) (<= c_ULTIMATE.start_malloc_ptr v_idx_261)) (or (< v_idx_256 (+ c_ULTIMATE.start_main_p1 1)) (= v_v_436_1 (select |c_#memory_int| v_idx_256))) (= v_v_2_2 (select |c_old(#valid)| v_idx_260)) (or (= v_v_46_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_257)) (<= c_ULTIMATE.start_malloc_ptr v_idx_257)) (or (= v_v_434_1 (select |c_#memory_int| v_idx_254)) (<= c_ULTIMATE.start_main_p1 v_idx_254)) (or (< v_idx_259 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_259) v_v_48_2)) (or (< v_idx_263 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_263))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_258)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_258) (< v_idx_258 c_ULTIMATE.start_malloc_ptr)) (<= (- v_v_435_1 (- v_v_435_1)) (- 2)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_262) (< v_idx_262 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_262))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:54:08,934 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:09,275 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:09,275 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:17,466 WARN L181 SmtUtils]: Spent 8.19 s on a formula simplification that was a NOOP. DAG size: 141 [2019-01-07 18:54:17,467 WARN L270 ngHoareTripleChecker]: Pre: {2147483629#(or (forall ((v_idx_236 Int) (v_idx_237 Int) (v_idx_234 Int) (v_idx_235 Int) (v_idx_238 Int) (v_idx_239 Int) (v_idx_240 Int) (v_idx_232 Int) (v_idx_233 Int) (v_idx_241 Int) (v_idx_231 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (= v_v_4_2 (select |old(#memory_int)| v_idx_231)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_237) v_v_48_2) (< v_idx_237 (+ ULTIMATE.start_main_p5 1))) (or (= v_v_46_2 (select |ULTIMATE.start_malloc_old_#valid| v_idx_235)) (<= ULTIMATE.start_malloc_ptr v_idx_235)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (< v_idx_241 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |#valid| v_idx_241))) (or (= v_v_52_2 (select |#valid| v_idx_239)) (<= ULTIMATE.start_malloc_ptr v_idx_239)) (= (select |old(#valid)| v_idx_238) v_v_2_2) (or (= (select |#memory_int| v_idx_233) 0) (< v_idx_233 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_233)) (or (< v_idx_240 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_240)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_240)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (< v_idx_236 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_236) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_236) 0)) (or (= (select |#memory_int| v_idx_232) v_v_67_2) (<= ULTIMATE.start_malloc_ptr v_idx_232)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (or (= (select |#memory_int| v_idx_234) v_v_69_2) (< v_idx_234 (+ ULTIMATE.start_main_p5 1)))))) (forall ((v_idx_247 Int) (v_idx_248 Int) (v_idx_245 Int) (v_idx_246 Int) (v_idx_249 Int) (v_idx_250 Int) (v_idx_251 Int) (v_idx_243 Int) (v_idx_244 Int) (v_idx_252 Int) (v_idx_242 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (= (select |old(#valid)| v_idx_249) v_v_2_2) (or (= 1 (select |#memory_int| v_idx_244)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_244) (< v_idx_244 ULTIMATE.start_malloc_ptr)) (or (= 1 (select |#valid| v_idx_251)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_251) (< v_idx_251 ULTIMATE.start_malloc_ptr)) (or (< v_idx_245 (+ ULTIMATE.start_main_p5 1)) (= (select |#memory_int| v_idx_245) v_v_69_2)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_248) v_v_48_2) (< v_idx_248 (+ ULTIMATE.start_main_p5 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (= v_v_4_2 (select |old(#memory_int)| v_idx_242)) (or (= (select |#memory_int| v_idx_243) v_v_67_2) (<= ULTIMATE.start_malloc_ptr v_idx_243)) (or (= v_v_54_2 (select |#valid| v_idx_252)) (< v_idx_252 (+ ULTIMATE.start_main_p5 1))) (or (< v_idx_247 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_247) 0) (<= (+ ULTIMATE.start_main_p5 1) v_idx_247)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_246) v_v_46_2) (<= ULTIMATE.start_malloc_ptr v_idx_246)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_malloc_ptr v_idx_250) (= v_v_52_2 (select |#valid| v_idx_250))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:54:17,467 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:17,467 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:17,654 WARN L276 ngHoareTripleChecker]: Post: {2147483628#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_prenex_4 Int)) (or (<= (+ (select |#memory_int| v_prenex_4) 1) 0) (< v_prenex_4 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_4))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_262 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_262) (< v_idx_262 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_262)))) (forall ((v_idx_258 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_258)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_258) (< v_idx_258 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_255 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_255) (< v_idx_255 ULTIMATE.start_main_p1) (<= (+ (* 2 (select |#memory_int| v_idx_255)) 2) 0))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:54:20,843 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:20,844 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:20,844 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:20,844 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:20,844 WARN L224 ngHoareTripleChecker]: Pre: {2147483627#(or (forall ((v_idx_269 Int) (v_idx_267 Int) (v_idx_268 Int) (v_idx_272 Int) (v_idx_273 Int) (v_idx_270 Int) (v_idx_271 Int) (v_idx_265 Int) (v_idx_266 Int) (v_idx_274 Int) (v_idx_264 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_2_2 (select |c_old(#valid)| v_idx_271)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_268) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_268) v_v_46_2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_#memory_int| v_idx_267) v_v_69_2) (< v_idx_267 (+ c_ULTIMATE.start_main_p5 1))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_269)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_269) (< v_idx_269 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_274 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_274))) (or (< v_idx_273 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_273)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_273)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_264)) (or (= 1 (select |c_#memory_int| v_idx_266)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_266) (< v_idx_266 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_#memory_int| v_idx_265) v_v_67_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_265)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_272) (= v_v_52_2 (select |c_#valid| v_idx_272))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_270 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_270) v_v_48_2)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))) (forall ((v_idx_278 Int) (v_idx_279 Int) (v_idx_280 Int) (v_idx_283 Int) (v_idx_284 Int) (v_idx_281 Int) (v_idx_282 Int) (v_idx_276 Int) (v_idx_277 Int) (v_idx_285 Int) (v_idx_275 Int)) (exists ((v_v_423_1 Int) (v_v_433_1 Int) (v_v_425_1 Int) (v_v_430_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_426_1 Int) (v_v_427_1 Int) (v_v_429_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_425_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_277)) (< v_idx_277 (+ c_ULTIMATE.start_main_p5 1))) (or (= v_v_427_1 (select |c_#valid| v_idx_279)) (<= c_ULTIMATE.start_malloc_ptr v_idx_279)) (or (= v_v_429_1 (select |c_#valid| v_idx_281)) (< v_idx_281 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= 1 (select |c_#valid| v_idx_280)) (< v_idx_280 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_280)) (= v_v_426_1 (select |c_old(#valid)| v_idx_278)) (or (< v_idx_284 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_432_1 (select |c_#memory_int| v_idx_284))) (<= v_v_431_1 2) (<= (- v_v_431_1 (- v_v_431_1)) 4) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_283) (= v_v_431_1 (select |c_#memory_int| v_idx_283)) (< v_idx_283 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_275) (= v_v_423_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_275))) (<= (- (- v_v_431_1) v_v_431_1) 0) (= (select |c_old(#memory_int)| v_idx_285) v_v_433_1) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_276)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_276) (< v_idx_276 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= v_v_430_1 (select |c_#memory_int| v_idx_282)) (<= c_ULTIMATE.start_malloc_ptr v_idx_282)) (<= 0 v_v_431_1) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:54:20,845 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:54:20,845 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:54:20,845 WARN L230 ngHoareTripleChecker]: Post: {2147483626#(forall ((v_idx_289 Int) (v_idx_290 Int) (v_idx_291 Int) (v_idx_294 Int) (v_idx_295 Int) (v_idx_292 Int) (v_idx_293 Int) (v_idx_287 Int) (v_idx_288 Int) (v_idx_296 Int) (v_idx_286 Int)) (exists ((v_v_433_1 Int) (v_v_423_1 Int) (v_v_425_1 Int) (v_v_430_1 Int) (v_v_432_1 Int) (v_v_477_1 Int) (v_v_426_1 Int) (v_v_427_1 Int) (v_v_429_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_427_1 (select |c_#valid| v_idx_294)) (<= c_ULTIMATE.start_malloc_ptr v_idx_294)) (= (select |c_old(#valid)| v_idx_293) v_v_426_1) (<= 1 v_v_477_1) (<= (- v_v_477_1 (- v_v_477_1)) 6) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_291) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_291)) (< v_idx_291 c_ULTIMATE.start_malloc_ptr)) (or (= v_v_430_1 (select |c_#memory_int| v_idx_287)) (<= c_ULTIMATE.start_malloc_ptr v_idx_287)) (= v_v_433_1 (select |c_old(#memory_int)| v_idx_286)) (or (= v_v_423_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_290)) (<= c_ULTIMATE.start_malloc_ptr v_idx_290)) (or (< v_idx_288 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_288) (= v_v_477_1 (select |c_#memory_int| v_idx_288))) (or (< v_idx_292 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_425_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_292))) (or (< v_idx_295 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_295)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_295)) (or (< v_idx_296 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_429_1 (select |c_#valid| v_idx_296))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (<= v_v_477_1 3) (or (= v_v_432_1 (select |c_#memory_int| v_idx_289)) (< v_idx_289 (+ c_ULTIMATE.start_main_p5 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (<= (- (- v_v_477_1) v_v_477_1) (- 2)))))} [2019-01-07 18:54:20,845 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:21,430 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:21,430 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:29,414 WARN L181 SmtUtils]: Spent 7.98 s on a formula simplification that was a NOOP. DAG size: 159 [2019-01-07 18:54:29,414 WARN L270 ngHoareTripleChecker]: Pre: {2147483627#(or (forall ((v_idx_269 Int) (v_idx_267 Int) (v_idx_268 Int) (v_idx_272 Int) (v_idx_273 Int) (v_idx_270 Int) (v_idx_271 Int) (v_idx_265 Int) (v_idx_266 Int) (v_idx_274 Int) (v_idx_264 Int)) (exists ((v_v_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (= v_v_2_2 (select |old(#valid)| v_idx_271)) (or (<= ULTIMATE.start_malloc_ptr v_idx_268) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_268) v_v_46_2)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (= (select |#memory_int| v_idx_267) v_v_69_2) (< v_idx_267 (+ ULTIMATE.start_main_p5 1))) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_269)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_269) (< v_idx_269 ULTIMATE.start_malloc_ptr)) (or (< v_idx_274 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |#valid| v_idx_274))) (or (< v_idx_273 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_273)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_273)) (= v_v_4_2 (select |old(#memory_int)| v_idx_264)) (or (= 1 (select |#memory_int| v_idx_266)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_266) (< v_idx_266 ULTIMATE.start_malloc_ptr)) (or (= (select |#memory_int| v_idx_265) v_v_67_2) (<= ULTIMATE.start_malloc_ptr v_idx_265)) (or (<= ULTIMATE.start_malloc_ptr v_idx_272) (= v_v_52_2 (select |#valid| v_idx_272))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (< v_idx_270 (+ ULTIMATE.start_main_p5 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_270) v_v_48_2)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))) (forall ((v_idx_278 Int) (v_idx_279 Int) (v_idx_280 Int) (v_idx_283 Int) (v_idx_284 Int) (v_idx_281 Int) (v_idx_282 Int) (v_idx_276 Int) (v_idx_277 Int) (v_idx_285 Int) (v_idx_275 Int)) (exists ((v_v_423_1 Int) (v_v_433_1 Int) (v_v_425_1 Int) (v_v_430_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_426_1 Int) (v_v_427_1 Int) (v_v_429_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= v_v_425_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_277)) (< v_idx_277 (+ ULTIMATE.start_main_p5 1))) (or (= v_v_427_1 (select |#valid| v_idx_279)) (<= ULTIMATE.start_malloc_ptr v_idx_279)) (or (= v_v_429_1 (select |#valid| v_idx_281)) (< v_idx_281 (+ ULTIMATE.start_main_p5 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (= 1 (select |#valid| v_idx_280)) (< v_idx_280 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_280)) (= v_v_426_1 (select |old(#valid)| v_idx_278)) (or (< v_idx_284 (+ ULTIMATE.start_main_p5 1)) (= v_v_432_1 (select |#memory_int| v_idx_284))) (<= v_v_431_1 2) (<= (- v_v_431_1 (- v_v_431_1)) 4) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_283) (= v_v_431_1 (select |#memory_int| v_idx_283)) (< v_idx_283 ULTIMATE.start_malloc_ptr)) (or (<= ULTIMATE.start_malloc_ptr v_idx_275) (= v_v_423_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_275))) (<= (- (- v_v_431_1) v_v_431_1) 0) (= (select |old(#memory_int)| v_idx_285) v_v_433_1) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_276)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_276) (< v_idx_276 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= v_v_430_1 (select |#memory_int| v_idx_282)) (<= ULTIMATE.start_malloc_ptr v_idx_282)) (<= 0 v_v_431_1) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:54:29,414 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:54:29,415 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:54:29,703 WARN L276 ngHoareTripleChecker]: Post: {2147483626#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_prenex_7 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_prenex_7) (< v_prenex_7 ULTIMATE.start_malloc_ptr) (<= 1 (select |#memory_int| v_prenex_7)))) (forall ((v_idx_288 Int)) (or (<= (* 2 (select |#memory_int| v_idx_288)) 6) (< v_idx_288 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_288))) (forall ((v_prenex_6 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_prenex_6) (<= 2 (* 2 (select |#memory_int| v_prenex_6))) (< v_prenex_6 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_295 Int)) (or (< v_idx_295 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_295)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_295))) (forall ((v_prenex_5 Int)) (or (< v_prenex_5 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_prenex_5) (<= (select |#memory_int| v_prenex_5) 3))) (forall ((v_idx_291 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_291) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_291)) (< v_idx_291 ULTIMATE.start_malloc_ptr))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:54:38,487 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:38,488 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:38,488 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:38,488 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:38,488 WARN L224 ngHoareTripleChecker]: Pre: {2147483625#(or (forall ((v_idx_302 Int) (v_idx_303 Int) (v_idx_300 Int) (v_idx_301 Int) (v_idx_306 Int) (v_idx_307 Int) (v_idx_304 Int) (v_idx_305 Int) (v_idx_298 Int) (v_idx_299 Int) (v_idx_297 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_302)) (< v_idx_302 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_302)) (or (= v_v_54_2 (select |c_#valid| v_idx_307)) (< v_idx_307 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= v_v_2_2 (select |c_old(#valid)| v_idx_304)) (or (< v_idx_306 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_306)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_306)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_297)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_301) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_301) v_v_46_2)) (or (< v_idx_303 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_48_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_303))) (or (= 1 (select |c_#memory_int| v_idx_299)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_299) (< v_idx_299 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_305) (= v_v_52_2 (select |c_#valid| v_idx_305))) (or (= (select |c_#memory_int| v_idx_298) v_v_67_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_298)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_300 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_300) v_v_69_2)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))) (forall ((v_idx_313 Int) (v_idx_314 Int) (v_idx_311 Int) (v_idx_312 Int) (v_idx_317 Int) (v_idx_318 Int) (v_idx_315 Int) (v_idx_316 Int) (v_idx_308 Int) (v_idx_309 Int) (v_idx_310 Int)) (exists ((v_v_433_1 Int) (v_v_423_1 Int) (v_v_425_1 Int) (v_v_430_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_426_1 Int) (v_v_427_1 Int) (v_v_429_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_433_1 (select |c_old(#memory_int)| v_idx_318)) (or (= v_v_425_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_310)) (< v_idx_310 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_313 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_313)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_313)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_315) (= v_v_430_1 (select |c_#memory_int| v_idx_315))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_308) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_308) v_v_423_1)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_309) (< v_idx_309 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_309))) (or (= v_v_429_1 (select |c_#valid| v_idx_314)) (< v_idx_314 (+ c_ULTIMATE.start_main_p5 1))) (<= v_v_431_1 2) (<= (- v_v_431_1 (- v_v_431_1)) 4) (= v_v_426_1 (select |c_old(#valid)| v_idx_311)) (or (< v_idx_317 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_432_1 (select |c_#memory_int| v_idx_317))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_316) (< v_idx_316 c_ULTIMATE.start_malloc_ptr) (= v_v_431_1 (select |c_#memory_int| v_idx_316))) (<= (- (- v_v_431_1) v_v_431_1) 0) (or (= v_v_427_1 (select |c_#valid| v_idx_312)) (<= c_ULTIMATE.start_malloc_ptr v_idx_312)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (<= 0 v_v_431_1) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:54:38,489 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:38,489 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:38,489 WARN L230 ngHoareTripleChecker]: Post: {2147483624#(forall ((v_idx_324 Int) (v_idx_325 Int) (v_idx_322 Int) (v_idx_323 Int) (v_idx_328 Int) (v_idx_329 Int) (v_idx_326 Int) (v_idx_327 Int) (v_idx_319 Int) (v_idx_320 Int) (v_idx_321 Int)) (exists ((v_v_46_2 Int) (v_v_666_1 Int) (v_v_54_2 Int) (v_v_667_1 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_4_2 Int) (v_v_668_1 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_328) (< v_idx_328 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_328))) (= (select |c_old(#valid)| v_idx_326) v_v_2_2) (or (= v_v_668_1 (select |c_#memory_int| v_idx_322)) (< v_idx_322 (+ c_ULTIMATE.start_main_p1 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (<= (- v_v_667_1 (- v_v_667_1)) (- 2)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_323) (= v_v_46_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_323))) (<= (+ v_v_667_1 1) 0) (or (< v_idx_324 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_324) 0) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_324)) (or (<= c_ULTIMATE.start_main_p1 v_idx_320) (= (select |c_#memory_int| v_idx_320) v_v_666_1)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_319)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_327) (= v_v_52_2 (select |c_#valid| v_idx_327))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_325) v_v_48_2) (< v_idx_325 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_329 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_329))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_321 c_ULTIMATE.start_main_p1) (= v_v_667_1 (select |c_#memory_int| v_idx_321)) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_321)))))} [2019-01-07 18:54:38,489 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:39,171 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:39,171 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:47,207 WARN L181 SmtUtils]: Spent 8.04 s on a formula simplification that was a NOOP. DAG size: 159 [2019-01-07 18:54:47,208 WARN L270 ngHoareTripleChecker]: Pre: {2147483625#(or (forall ((v_idx_302 Int) (v_idx_303 Int) (v_idx_300 Int) (v_idx_301 Int) (v_idx_306 Int) (v_idx_307 Int) (v_idx_304 Int) (v_idx_305 Int) (v_idx_298 Int) (v_idx_299 Int) (v_idx_297 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_302)) (< v_idx_302 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_302)) (or (= v_v_54_2 (select |#valid| v_idx_307)) (< v_idx_307 (+ ULTIMATE.start_main_p5 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (= v_v_2_2 (select |old(#valid)| v_idx_304)) (or (< v_idx_306 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_306)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_306)) (= v_v_4_2 (select |old(#memory_int)| v_idx_297)) (or (<= ULTIMATE.start_malloc_ptr v_idx_301) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_301) v_v_46_2)) (or (< v_idx_303 (+ ULTIMATE.start_main_p5 1)) (= v_v_48_2 (select |ULTIMATE.start_malloc_old_#valid| v_idx_303))) (or (= 1 (select |#memory_int| v_idx_299)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_299) (< v_idx_299 ULTIMATE.start_malloc_ptr)) (or (<= ULTIMATE.start_malloc_ptr v_idx_305) (= v_v_52_2 (select |#valid| v_idx_305))) (or (= (select |#memory_int| v_idx_298) v_v_67_2) (<= ULTIMATE.start_malloc_ptr v_idx_298)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (< v_idx_300 (+ ULTIMATE.start_main_p5 1)) (= (select |#memory_int| v_idx_300) v_v_69_2)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))) (forall ((v_idx_313 Int) (v_idx_314 Int) (v_idx_311 Int) (v_idx_312 Int) (v_idx_317 Int) (v_idx_318 Int) (v_idx_315 Int) (v_idx_316 Int) (v_idx_308 Int) (v_idx_309 Int) (v_idx_310 Int)) (exists ((v_v_433_1 Int) (v_v_423_1 Int) (v_v_425_1 Int) (v_v_430_1 Int) (v_v_432_1 Int) (v_v_431_1 Int) (v_v_426_1 Int) (v_v_427_1 Int) (v_v_429_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (= v_v_433_1 (select |old(#memory_int)| v_idx_318)) (or (= v_v_425_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_310)) (< v_idx_310 (+ ULTIMATE.start_main_p5 1))) (or (< v_idx_313 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_313)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_313)) (or (<= ULTIMATE.start_malloc_ptr v_idx_315) (= v_v_430_1 (select |#memory_int| v_idx_315))) (or (<= ULTIMATE.start_malloc_ptr v_idx_308) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_308) v_v_423_1)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_309) (< v_idx_309 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_309))) (or (= v_v_429_1 (select |#valid| v_idx_314)) (< v_idx_314 (+ ULTIMATE.start_main_p5 1))) (<= v_v_431_1 2) (<= (- v_v_431_1 (- v_v_431_1)) 4) (= v_v_426_1 (select |old(#valid)| v_idx_311)) (or (< v_idx_317 (+ ULTIMATE.start_main_p5 1)) (= v_v_432_1 (select |#memory_int| v_idx_317))) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_316) (< v_idx_316 ULTIMATE.start_malloc_ptr) (= v_v_431_1 (select |#memory_int| v_idx_316))) (<= (- (- v_v_431_1) v_v_431_1) 0) (or (= v_v_427_1 (select |#valid| v_idx_312)) (<= ULTIMATE.start_malloc_ptr v_idx_312)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (<= 0 v_v_431_1) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:54:47,208 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:54:47,208 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:54:47,436 WARN L276 ngHoareTripleChecker]: Post: {2147483624#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_321 Int)) (or (< v_idx_321 ULTIMATE.start_main_p1) (<= (+ (select |#memory_int| v_idx_321) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_321))) (forall ((v_prenex_8 Int)) (or (< v_prenex_8 ULTIMATE.start_main_p1) (<= (+ (* 2 (select |#memory_int| v_prenex_8)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_8))) (forall ((v_idx_324 Int)) (or (< v_idx_324 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_324) 0) (<= (+ ULTIMATE.start_main_p5 1) v_idx_324))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_328 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_328) (< v_idx_328 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_328)))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:54:50,794 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:54:50,794 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:54:50,794 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:54:50,795 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:54:50,795 WARN L224 ngHoareTripleChecker]: Pre: {2147483623#(or (forall ((v_idx_335 Int) (v_idx_336 Int) (v_idx_333 Int) (v_idx_334 Int) (v_idx_339 Int) (v_idx_337 Int) (v_idx_338 Int) (v_idx_331 Int) (v_idx_332 Int) (v_idx_340 Int) (v_idx_330 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_69_2 (select |c_#memory_int| v_idx_333)) (< v_idx_333 (+ c_ULTIMATE.start_main_p5 1))) (or (= (select |c_#memory_int| v_idx_331) v_v_67_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_331)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_338) (= v_v_52_2 (select |c_#valid| v_idx_338))) (= (select |c_old(#memory_int)| v_idx_330) v_v_4_2) (or (< v_idx_340 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_340))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_335) (< v_idx_335 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_335))) (= v_v_2_2 (select |c_old(#valid)| v_idx_337)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_339) (= 1 (select |c_#valid| v_idx_339)) (< v_idx_339 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_334) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_334)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= 1 (select |c_#memory_int| v_idx_332)) (< v_idx_332 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_332)) (or (< v_idx_336 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_336) v_v_48_2))))) (forall ((v_idx_346 Int) (v_idx_347 Int) (v_idx_344 Int) (v_idx_345 Int) (v_idx_348 Int) (v_idx_349 Int) (v_idx_350 Int) (v_idx_342 Int) (v_idx_343 Int) (v_idx_351 Int) (v_idx_341 Int)) (exists ((v_v_655_1 Int) (v_v_664_1 Int) (v_v_665_1 Int) (v_v_662_1 Int) (v_v_663_1 Int) (v_v_661_1 Int) (v_v_659_1 Int) (v_v_657_1 Int) (v_v_658_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_349) (= v_v_663_1 (select |c_#memory_int| v_idx_349)) (< v_idx_349 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_342) 0) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_342) (< v_idx_342 c_ULTIMATE.start_malloc_ptr)) (or (= v_v_664_1 (select |c_#memory_int| v_idx_350)) (< v_idx_350 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_343 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_657_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_343))) (or (= v_v_655_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_341)) (<= c_ULTIMATE.start_malloc_ptr v_idx_341)) (= v_v_658_1 (select |c_old(#valid)| v_idx_344)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_345) (= v_v_659_1 (select |c_#valid| v_idx_345))) (or (< v_idx_347 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_661_1 (select |c_#valid| v_idx_347))) (<= 0 v_v_663_1) (= v_v_665_1 (select |c_old(#memory_int)| v_idx_351)) (<= (- v_v_663_1 (- v_v_663_1)) 6) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_348) (= v_v_662_1 (select |c_#memory_int| v_idx_348))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_346 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_346) (= 1 (select |c_#valid| v_idx_346))) (<= v_v_663_1 3) (<= (- (- v_v_663_1) v_v_663_1) 0) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:54:50,795 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:54:50,795 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:54:50,796 WARN L230 ngHoareTripleChecker]: Post: {2147483622#(forall ((v_idx_357 Int) (v_idx_358 Int) (v_idx_355 Int) (v_idx_356 Int) (v_idx_359 Int) (v_idx_360 Int) (v_idx_361 Int) (v_idx_353 Int) (v_idx_354 Int) (v_idx_362 Int) (v_idx_352 Int)) (exists ((v_v_655_1 Int) (v_v_664_1 Int) (v_v_665_1 Int) (v_v_662_1 Int) (v_v_661_1 Int) (v_v_709_1 Int) (v_v_659_1 Int) (v_v_657_1 Int) (v_v_658_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_355 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_664_1 (select |c_#memory_int| v_idx_355))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_361) (< v_idx_361 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_361))) (<= 1 v_v_709_1) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (<= (- v_v_709_1 (- v_v_709_1)) 8) (or (< v_idx_362 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_661_1 (select |c_#valid| v_idx_362))) (<= v_v_709_1 4) (or (< v_idx_358 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_657_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_358))) (or (< v_idx_354 c_ULTIMATE.start_malloc_ptr) (= v_v_709_1 (select |c_#memory_int| v_idx_354)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_354)) (= v_v_658_1 (select |c_old(#valid)| v_idx_359)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_357) 0) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_357) (< v_idx_357 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_353) (= (select |c_#memory_int| v_idx_353) v_v_662_1)) (or (= v_v_659_1 (select |c_#valid| v_idx_360)) (<= c_ULTIMATE.start_malloc_ptr v_idx_360)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_356) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_356) v_v_655_1)) (= v_v_665_1 (select |c_old(#memory_int)| v_idx_352)) (<= (- (- v_v_709_1) v_v_709_1) (- 2)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:54:50,796 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:54:51,301 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:54:51,302 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:54:59,356 WARN L181 SmtUtils]: Spent 8.05 s on a formula simplification that was a NOOP. DAG size: 159 [2019-01-07 18:54:59,357 WARN L270 ngHoareTripleChecker]: Pre: {2147483623#(or (forall ((v_idx_335 Int) (v_idx_336 Int) (v_idx_333 Int) (v_idx_334 Int) (v_idx_339 Int) (v_idx_337 Int) (v_idx_338 Int) (v_idx_331 Int) (v_idx_332 Int) (v_idx_340 Int) (v_idx_330 Int)) (exists ((v_v_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= v_v_69_2 (select |#memory_int| v_idx_333)) (< v_idx_333 (+ ULTIMATE.start_main_p5 1))) (or (= (select |#memory_int| v_idx_331) v_v_67_2) (<= ULTIMATE.start_malloc_ptr v_idx_331)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (<= ULTIMATE.start_malloc_ptr v_idx_338) (= v_v_52_2 (select |#valid| v_idx_338))) (= (select |old(#memory_int)| v_idx_330) v_v_4_2) (or (< v_idx_340 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |#valid| v_idx_340))) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_335) (< v_idx_335 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_335))) (= v_v_2_2 (select |old(#valid)| v_idx_337)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_339) (= 1 (select |#valid| v_idx_339)) (< v_idx_339 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_334) v_v_46_2) (<= ULTIMATE.start_malloc_ptr v_idx_334)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (or (= 1 (select |#memory_int| v_idx_332)) (< v_idx_332 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_332)) (or (< v_idx_336 (+ ULTIMATE.start_main_p5 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_336) v_v_48_2))))) (forall ((v_idx_346 Int) (v_idx_347 Int) (v_idx_344 Int) (v_idx_345 Int) (v_idx_348 Int) (v_idx_349 Int) (v_idx_350 Int) (v_idx_342 Int) (v_idx_343 Int) (v_idx_351 Int) (v_idx_341 Int)) (exists ((v_v_655_1 Int) (v_v_664_1 Int) (v_v_665_1 Int) (v_v_662_1 Int) (v_v_663_1 Int) (v_v_661_1 Int) (v_v_659_1 Int) (v_v_657_1 Int) (v_v_658_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_349) (= v_v_663_1 (select |#memory_int| v_idx_349)) (< v_idx_349 ULTIMATE.start_malloc_ptr)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_342) 0) (<= (+ ULTIMATE.start_main_p5 1) v_idx_342) (< v_idx_342 ULTIMATE.start_malloc_ptr)) (or (= v_v_664_1 (select |#memory_int| v_idx_350)) (< v_idx_350 (+ ULTIMATE.start_main_p5 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (< v_idx_343 (+ ULTIMATE.start_main_p5 1)) (= v_v_657_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_343))) (or (= v_v_655_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_341)) (<= ULTIMATE.start_malloc_ptr v_idx_341)) (= v_v_658_1 (select |old(#valid)| v_idx_344)) (or (<= ULTIMATE.start_malloc_ptr v_idx_345) (= v_v_659_1 (select |#valid| v_idx_345))) (or (< v_idx_347 (+ ULTIMATE.start_main_p5 1)) (= v_v_661_1 (select |#valid| v_idx_347))) (<= 0 v_v_663_1) (= v_v_665_1 (select |old(#memory_int)| v_idx_351)) (<= (- v_v_663_1 (- v_v_663_1)) 6) (or (<= ULTIMATE.start_malloc_ptr v_idx_348) (= v_v_662_1 (select |#memory_int| v_idx_348))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (< v_idx_346 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_346) (= 1 (select |#valid| v_idx_346))) (<= v_v_663_1 3) (<= (- (- v_v_663_1) v_v_663_1) 0) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:54:59,357 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:54:59,357 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:54:59,603 WARN L276 ngHoareTripleChecker]: Post: {2147483622#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_354 Int)) (or (< v_idx_354 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_354) (<= (select |#memory_int| v_idx_354) 4))) (forall ((v_idx_357 Int)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_357) 0) (<= (+ ULTIMATE.start_main_p5 1) v_idx_357) (< v_idx_357 ULTIMATE.start_malloc_ptr))) (forall ((v_prenex_11 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_prenex_11) (< v_prenex_11 ULTIMATE.start_malloc_ptr) (<= 2 (* 2 (select |#memory_int| v_prenex_11))))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_prenex_9 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_prenex_9) (<= 1 (select |#memory_int| v_prenex_9)) (< v_prenex_9 ULTIMATE.start_malloc_ptr))) (forall ((v_prenex_10 Int)) (or (<= (* 2 (select |#memory_int| v_prenex_10)) 8) (< v_prenex_10 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_prenex_10))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_361 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_361) (< v_idx_361 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_361)))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:55:11,856 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:11,857 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:11,857 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:11,857 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:11,857 WARN L224 ngHoareTripleChecker]: Pre: {2147483621#(or (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_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_364) (= (select |c_#memory_int| v_idx_364) v_v_67_2)) (or (< v_idx_369 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_369) v_v_48_2)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_365) (< v_idx_365 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#memory_int| v_idx_365))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_368) (< v_idx_368 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_368) 0)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= v_v_2_2 (select |c_old(#valid)| v_idx_370)) (or (= 1 (select |c_#valid| v_idx_372)) (< v_idx_372 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_372)) (or (< v_idx_373 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |c_#valid| v_idx_373))) (or (= v_v_52_2 (select |c_#valid| v_idx_371)) (<= c_ULTIMATE.start_malloc_ptr v_idx_371)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_366 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_69_2 (select |c_#memory_int| v_idx_366))) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_363)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_367) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_367)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))) (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_655_1 Int) (v_v_664_1 Int) (v_v_665_1 Int) (v_v_662_1 Int) (v_v_663_1 Int) (v_v_661_1 Int) (v_v_659_1 Int) (v_v_657_1 Int) (v_v_658_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_376) v_v_657_1) (< v_idx_376 (+ c_ULTIMATE.start_main_p5 1))) (or (= v_v_659_1 (select |c_#valid| v_idx_378)) (<= c_ULTIMATE.start_malloc_ptr v_idx_378)) (or (< v_idx_380 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_661_1 (select |c_#valid| v_idx_380))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= v_v_658_1 (select |c_old(#valid)| v_idx_377)) (or (< v_idx_382 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_382) (= v_v_663_1 (select |c_#memory_int| v_idx_382))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_375)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_375) (< v_idx_375 c_ULTIMATE.start_malloc_ptr)) (<= 0 v_v_663_1) (or (= v_v_662_1 (select |c_#memory_int| v_idx_381)) (<= c_ULTIMATE.start_malloc_ptr v_idx_381)) (<= (- v_v_663_1 (- v_v_663_1)) 6) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_374) (= v_v_655_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_374))) (= v_v_665_1 (select |c_old(#memory_int)| v_idx_384)) (or (= v_v_664_1 (select |c_#memory_int| v_idx_383)) (< v_idx_383 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_379 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_379)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_379)) (<= v_v_663_1 3) (<= (- (- v_v_663_1) v_v_663_1) 0) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:55:11,857 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:11,858 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:11,858 WARN L230 ngHoareTripleChecker]: Post: {2147483620#(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_54_2 Int) (v_v_46_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_1031_1 Int) (v_v_4_2 Int) (v_v_1030_1 Int) (v_v_48_2 Int) (v_v_1032_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_385)) (or (< v_idx_391 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_391) v_v_48_2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_#memory_int| v_idx_386) v_v_1030_1) (<= c_ULTIMATE.start_main_p1 v_idx_386)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_390) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_390) 0) (< v_idx_390 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_387 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_387) (= (select |c_#memory_int| v_idx_387) v_v_1031_1)) (<= (- v_v_1031_1 (- v_v_1031_1)) (- 2)) (<= (+ v_v_1031_1 1) 0) (or (= v_v_54_2 (select |c_#valid| v_idx_395)) (< v_idx_395 (+ c_ULTIMATE.start_main_p5 1))) (= (select |c_old(#valid)| v_idx_392) v_v_2_2) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_389) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_389) v_v_46_2)) (or (= v_v_52_2 (select |c_#valid| v_idx_393)) (<= c_ULTIMATE.start_malloc_ptr v_idx_393)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_388 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_388) v_v_1032_1)) (or (= 1 (select |c_#valid| v_idx_394)) (< v_idx_394 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_394)))))} [2019-01-07 18:55:11,858 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:12,601 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:12,602 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:20,928 WARN L181 SmtUtils]: Spent 8.33 s on a formula simplification that was a NOOP. DAG size: 159 [2019-01-07 18:55:20,929 WARN L270 ngHoareTripleChecker]: Pre: {2147483621#(or (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_54_2 Int) (v_v_46_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_364) (= (select |#memory_int| v_idx_364) v_v_67_2)) (or (< v_idx_369 (+ ULTIMATE.start_main_p5 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_369) v_v_48_2)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_365) (< v_idx_365 ULTIMATE.start_malloc_ptr) (= 1 (select |#memory_int| v_idx_365))) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_368) (< v_idx_368 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_368) 0)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (= v_v_2_2 (select |old(#valid)| v_idx_370)) (or (= 1 (select |#valid| v_idx_372)) (< v_idx_372 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_372)) (or (< v_idx_373 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_2 (select |#valid| v_idx_373))) (or (= v_v_52_2 (select |#valid| v_idx_371)) (<= ULTIMATE.start_malloc_ptr v_idx_371)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (< v_idx_366 (+ ULTIMATE.start_main_p5 1)) (= v_v_69_2 (select |#memory_int| v_idx_366))) (= v_v_4_2 (select |old(#memory_int)| v_idx_363)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_367) v_v_46_2) (<= ULTIMATE.start_malloc_ptr v_idx_367)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))) (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_655_1 Int) (v_v_664_1 Int) (v_v_665_1 Int) (v_v_662_1 Int) (v_v_663_1 Int) (v_v_661_1 Int) (v_v_659_1 Int) (v_v_657_1 Int) (v_v_658_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_376) v_v_657_1) (< v_idx_376 (+ ULTIMATE.start_main_p5 1))) (or (= v_v_659_1 (select |#valid| v_idx_378)) (<= ULTIMATE.start_malloc_ptr v_idx_378)) (or (< v_idx_380 (+ ULTIMATE.start_main_p5 1)) (= v_v_661_1 (select |#valid| v_idx_380))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (= v_v_658_1 (select |old(#valid)| v_idx_377)) (or (< v_idx_382 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_382) (= v_v_663_1 (select |#memory_int| v_idx_382))) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_375)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_375) (< v_idx_375 ULTIMATE.start_malloc_ptr)) (<= 0 v_v_663_1) (or (= v_v_662_1 (select |#memory_int| v_idx_381)) (<= ULTIMATE.start_malloc_ptr v_idx_381)) (<= (- v_v_663_1 (- v_v_663_1)) 6) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_malloc_ptr v_idx_374) (= v_v_655_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_374))) (= v_v_665_1 (select |old(#memory_int)| v_idx_384)) (or (= v_v_664_1 (select |#memory_int| v_idx_383)) (< v_idx_383 (+ ULTIMATE.start_main_p5 1))) (or (< v_idx_379 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_379)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_379)) (<= v_v_663_1 3) (<= (- (- v_v_663_1) v_v_663_1) 0) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:55:20,929 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:20,929 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:21,117 WARN L276 ngHoareTripleChecker]: Post: {2147483620#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_387 Int)) (or (<= (+ (select |#memory_int| v_idx_387) 1) 0) (< v_idx_387 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_387))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_prenex_12 Int)) (or (<= (+ (* 2 (select |#memory_int| v_prenex_12)) 2) 0) (< v_prenex_12 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_12))) (forall ((v_idx_394 Int)) (or (= 1 (select |#valid| v_idx_394)) (< v_idx_394 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_394))) (forall ((v_idx_390 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_390) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_390) 0) (< v_idx_390 ULTIMATE.start_malloc_ptr))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:55:24,368 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:24,369 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:24,369 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:24,369 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:24,370 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_768_1 Int) (v_v_769_1 Int) (v_v_770_1 Int) (v_v_773_1 Int) (v_v_772_1 Int) (v_v_775_1 Int) (v_v_774_1 Int) (v_v_776_1 Int) (v_v_766_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_770_1 (select |c_#valid| v_idx_411)) (<= c_ULTIMATE.start_malloc_ptr v_idx_411)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (<= (- (- v_v_774_1) v_v_774_1) 0) (<= 0 v_v_774_1) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_415) (< v_idx_415 c_ULTIMATE.start_malloc_ptr) (= v_v_774_1 (select |c_#memory_int| v_idx_415))) (or (< v_idx_416 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_775_1 (select |c_#memory_int| v_idx_416))) (= v_v_776_1 (select |c_old(#memory_int)| v_idx_417)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_412) (< v_idx_412 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_412))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_414) (= v_v_773_1 (select |c_#memory_int| v_idx_414))) (= v_v_769_1 (select |c_old(#valid)| v_idx_410)) (or (= v_v_766_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_407)) (<= c_ULTIMATE.start_malloc_ptr v_idx_407)) (or (= (select |c_#valid| v_idx_413) v_v_772_1) (< v_idx_413 (+ c_ULTIMATE.start_main_p5 1))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_408)) (< v_idx_408 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_408)) (or (< v_idx_409 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_768_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_409))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))) (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_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= (select |c_old(#valid)| v_idx_403) v_v_2_2) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_405) (< v_idx_405 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_405))) (or (< v_idx_398 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_398) (= 1 (select |c_#memory_int| v_idx_398))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_400) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_400)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_397) (= (select |c_#memory_int| v_idx_397) v_v_67_2)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_401) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_401)) (< v_idx_401 c_ULTIMATE.start_malloc_ptr)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_396)) (or (= v_v_48_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_402)) (< v_idx_402 (+ c_ULTIMATE.start_main_p5 1))) (or (= (select |c_#valid| v_idx_404) v_v_52_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_404)) (or (< v_idx_399 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_69_2 (select |c_#memory_int| v_idx_399))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#valid| v_idx_406) v_v_54_2) (< v_idx_406 (+ c_ULTIMATE.start_main_p5 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:55:24,370 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:55:24,370 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:55:24,370 WARN L230 ngHoareTripleChecker]: Post: {2147483618#(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_768_1 Int) (v_v_769_1 Int) (v_v_1073_1 Int) (v_v_770_1 Int) (v_v_773_1 Int) (v_v_772_1 Int) (v_v_775_1 Int) (v_v_766_1 Int) (v_v_776_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_769_1 (select |c_old(#valid)| v_idx_425)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_422) (= v_v_766_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_422))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= v_v_775_1 (select |c_#memory_int| v_idx_421)) (< v_idx_421 (+ c_ULTIMATE.start_main_p5 1))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_423) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_423)) (< v_idx_423 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_424) v_v_768_1) (< v_idx_424 (+ c_ULTIMATE.start_main_p5 1))) (<= 1 v_v_1073_1) (or (= v_v_770_1 (select |c_#valid| v_idx_426)) (<= c_ULTIMATE.start_malloc_ptr v_idx_426)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_420) (= (select |c_#memory_int| v_idx_420) v_v_1073_1) (< v_idx_420 c_ULTIMATE.start_malloc_ptr)) (or (= v_v_773_1 (select |c_#memory_int| v_idx_419)) (<= c_ULTIMATE.start_malloc_ptr v_idx_419)) (or (= v_v_772_1 (select |c_#valid| v_idx_428)) (< v_idx_428 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_427 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_427) (= 1 (select |c_#valid| v_idx_427))) (<= (- (- v_v_1073_1) v_v_1073_1) (- 2)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_776_1 (select |c_old(#memory_int)| v_idx_418)))))} [2019-01-07 18:55:24,370 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:24,875 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:24,876 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:33,146 WARN L181 SmtUtils]: Spent 8.27 s on a formula simplification that was a NOOP. DAG size: 154 [2019-01-07 18:55:33,147 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_768_1 Int) (v_v_769_1 Int) (v_v_770_1 Int) (v_v_773_1 Int) (v_v_772_1 Int) (v_v_775_1 Int) (v_v_774_1 Int) (v_v_776_1 Int) (v_v_766_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= v_v_770_1 (select |#valid| v_idx_411)) (<= ULTIMATE.start_malloc_ptr v_idx_411)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= (- (- v_v_774_1) v_v_774_1) 0) (<= 0 v_v_774_1) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_415) (< v_idx_415 ULTIMATE.start_malloc_ptr) (= v_v_774_1 (select |#memory_int| v_idx_415))) (or (< v_idx_416 (+ ULTIMATE.start_main_p5 1)) (= v_v_775_1 (select |#memory_int| v_idx_416))) (= v_v_776_1 (select |old(#memory_int)| v_idx_417)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_412) (< v_idx_412 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_412))) (or (<= ULTIMATE.start_malloc_ptr v_idx_414) (= v_v_773_1 (select |#memory_int| v_idx_414))) (= v_v_769_1 (select |old(#valid)| v_idx_410)) (or (= v_v_766_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_407)) (<= ULTIMATE.start_malloc_ptr v_idx_407)) (or (= (select |#valid| v_idx_413) v_v_772_1) (< v_idx_413 (+ ULTIMATE.start_main_p5 1))) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_408)) (< v_idx_408 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_408)) (or (< v_idx_409 (+ ULTIMATE.start_main_p5 1)) (= v_v_768_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_409))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))) (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_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (= (select |old(#valid)| v_idx_403) v_v_2_2) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_405) (< v_idx_405 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_405))) (or (< v_idx_398 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_398) (= 1 (select |#memory_int| v_idx_398))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_400) v_v_46_2) (<= ULTIMATE.start_malloc_ptr v_idx_400)) (or (<= ULTIMATE.start_malloc_ptr v_idx_397) (= (select |#memory_int| v_idx_397) v_v_67_2)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_401) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_401)) (< v_idx_401 ULTIMATE.start_malloc_ptr)) (= v_v_4_2 (select |old(#memory_int)| v_idx_396)) (or (= v_v_48_2 (select |ULTIMATE.start_malloc_old_#valid| v_idx_402)) (< v_idx_402 (+ ULTIMATE.start_main_p5 1))) (or (= (select |#valid| v_idx_404) v_v_52_2) (<= ULTIMATE.start_malloc_ptr v_idx_404)) (or (< v_idx_399 (+ ULTIMATE.start_main_p5 1)) (= v_v_69_2 (select |#memory_int| v_idx_399))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= (select |#valid| v_idx_406) v_v_54_2) (< v_idx_406 (+ ULTIMATE.start_main_p5 1))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:55:33,147 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:55:33,147 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:55:33,322 WARN L276 ngHoareTripleChecker]: Post: {2147483618#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_427 Int)) (or (< v_idx_427 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_427) (= 1 (select |#valid| v_idx_427)))) (forall ((v_idx_423 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_423) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_423)) (< v_idx_423 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_420 Int)) (or (<= 2 (* 2 (select |#memory_int| v_idx_420))) (<= (+ ULTIMATE.start_main_p5 1) v_idx_420) (< v_idx_420 ULTIMATE.start_malloc_ptr))) (forall ((v_prenex_13 Int)) (or (< v_prenex_13 ULTIMATE.start_malloc_ptr) (<= 1 (select |#memory_int| v_prenex_13)) (<= (+ ULTIMATE.start_main_p5 1) v_prenex_13))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:55:36,687 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:36,687 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:36,687 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:36,687 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:36,688 WARN L224 ngHoareTripleChecker]: Pre: {2147483617#(or (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_768_1 Int) (v_v_769_1 Int) (v_v_770_1 Int) (v_v_773_1 Int) (v_v_772_1 Int) (v_v_775_1 Int) (v_v_774_1 Int) (v_v_766_1 Int) (v_v_776_1 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_#memory_int| v_idx_449) v_v_775_1) (< v_idx_449 (+ c_ULTIMATE.start_main_p5 1))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_445) (< v_idx_445 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_445) 1)) (or (< v_idx_446 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_446) v_v_772_1)) (or (= (select |c_#valid| v_idx_444) v_v_770_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_444)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (<= (- (- v_v_774_1) v_v_774_1) 0) (or (= v_v_766_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_440)) (<= c_ULTIMATE.start_malloc_ptr v_idx_440)) (or (= (select |c_#memory_int| v_idx_447) v_v_773_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_447)) (<= 0 v_v_774_1) (= v_v_769_1 (select |c_old(#valid)| v_idx_443)) (= v_v_776_1 (select |c_old(#memory_int)| v_idx_450)) (or (< v_idx_441 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_441) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_441))) (or (< v_idx_442 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_442) v_v_768_1)) (or (= (select |c_#memory_int| v_idx_448) v_v_774_1) (< v_idx_448 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_448)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))) (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_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_#valid| v_idx_437) v_v_52_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_437)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_430) (= (select |c_#memory_int| v_idx_430) v_v_67_2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= 1 (select |c_#valid| v_idx_438)) (< v_idx_438 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_438)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_434) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_434)) (< v_idx_434 c_ULTIMATE.start_malloc_ptr)) (= v_v_2_2 (select |c_old(#valid)| v_idx_436)) (or (= (select |c_#memory_int| v_idx_431) 1) (< v_idx_431 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_431)) (or (= (select |c_#memory_int| v_idx_432) v_v_69_2) (< v_idx_432 (+ c_ULTIMATE.start_main_p5 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_433) (= v_v_46_2 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_433))) (or (< v_idx_435 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_435) v_v_48_2)) (= v_v_4_2 (select |c_old(#memory_int)| v_idx_429)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#valid| v_idx_439) v_v_54_2) (< v_idx_439 (+ c_ULTIMATE.start_main_p5 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:55:36,688 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:36,688 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:36,688 WARN L230 ngHoareTripleChecker]: Post: {2147483616#(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_54_2 Int) (v_v_46_2 Int) (v_v_1119_1 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_1121_1 Int) (v_v_1120_1 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_456 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_456) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_456))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_#valid| v_idx_461) v_v_54_2) (< v_idx_461 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_457 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_457) v_v_48_2)) (<= (+ v_v_1120_1 1) 0) (or (< v_idx_454 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_454) v_v_1121_1)) (<= (- v_v_1120_1 (- v_v_1120_1)) (- 2)) (= v_v_2_2 (select |c_old(#valid)| v_idx_458)) (or (= (select |c_#valid| v_idx_460) 1) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_460) (< v_idx_460 c_ULTIMATE.start_malloc_ptr)) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_453) (= (select |c_#memory_int| v_idx_453) v_v_1120_1) (< v_idx_453 c_ULTIMATE.start_main_p1)) (= (select |c_old(#memory_int)| v_idx_451) v_v_4_2) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_459) (= v_v_52_2 (select |c_#valid| v_idx_459))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_455) v_v_46_2) (<= c_ULTIMATE.start_malloc_ptr v_idx_455)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_452) v_v_1119_1) (<= c_ULTIMATE.start_main_p1 v_idx_452)))))} [2019-01-07 18:55:36,688 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:37,438 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:37,438 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:45,832 WARN L181 SmtUtils]: Spent 8.39 s on a formula simplification that was a NOOP. DAG size: 154 [2019-01-07 18:55:45,832 WARN L270 ngHoareTripleChecker]: Pre: {2147483617#(or (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_768_1 Int) (v_v_769_1 Int) (v_v_770_1 Int) (v_v_773_1 Int) (v_v_772_1 Int) (v_v_775_1 Int) (v_v_774_1 Int) (v_v_766_1 Int) (v_v_776_1 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= (select |#memory_int| v_idx_449) v_v_775_1) (< v_idx_449 (+ ULTIMATE.start_main_p5 1))) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_445) (< v_idx_445 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_445) 1)) (or (< v_idx_446 (+ ULTIMATE.start_main_p5 1)) (= (select |#valid| v_idx_446) v_v_772_1)) (or (= (select |#valid| v_idx_444) v_v_770_1) (<= ULTIMATE.start_malloc_ptr v_idx_444)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= (- (- v_v_774_1) v_v_774_1) 0) (or (= v_v_766_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_440)) (<= ULTIMATE.start_malloc_ptr v_idx_440)) (or (= (select |#memory_int| v_idx_447) v_v_773_1) (<= ULTIMATE.start_malloc_ptr v_idx_447)) (<= 0 v_v_774_1) (= v_v_769_1 (select |old(#valid)| v_idx_443)) (= v_v_776_1 (select |old(#memory_int)| v_idx_450)) (or (< v_idx_441 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_441) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_441))) (or (< v_idx_442 (+ ULTIMATE.start_main_p5 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_442) v_v_768_1)) (or (= (select |#memory_int| v_idx_448) v_v_774_1) (< v_idx_448 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_448)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))) (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_46_2 Int) (v_v_54_2 Int) (v_v_67_2 Int) (v_v_52_2 Int) (v_v_2_2 Int) (v_v_69_2 Int) (v_v_4_2 Int) (v_v_48_2 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= (select |#valid| v_idx_437) v_v_52_2) (<= ULTIMATE.start_malloc_ptr v_idx_437)) (or (<= ULTIMATE.start_malloc_ptr v_idx_430) (= (select |#memory_int| v_idx_430) v_v_67_2)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (= 1 (select |#valid| v_idx_438)) (< v_idx_438 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_438)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_434) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_434)) (< v_idx_434 ULTIMATE.start_malloc_ptr)) (= v_v_2_2 (select |old(#valid)| v_idx_436)) (or (= (select |#memory_int| v_idx_431) 1) (< v_idx_431 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_431)) (or (= (select |#memory_int| v_idx_432) v_v_69_2) (< v_idx_432 (+ ULTIMATE.start_main_p5 1))) (or (<= ULTIMATE.start_malloc_ptr v_idx_433) (= v_v_46_2 (select |ULTIMATE.start_malloc_old_#valid| v_idx_433))) (or (< v_idx_435 (+ ULTIMATE.start_main_p5 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_435) v_v_48_2)) (= v_v_4_2 (select |old(#memory_int)| v_idx_429)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= (select |#valid| v_idx_439) v_v_54_2) (< v_idx_439 (+ ULTIMATE.start_main_p5 1))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:55:45,832 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:45,832 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:46,086 WARN L276 ngHoareTripleChecker]: Post: {2147483616#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_prenex_14 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_prenex_14) (< v_prenex_14 ULTIMATE.start_main_p1) (<= (+ (* 2 (select |#memory_int| v_prenex_14)) 2) 0))) (forall ((v_idx_453 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_453) (<= (+ (select |#memory_int| v_idx_453) 1) 0) (< v_idx_453 ULTIMATE.start_main_p1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_460 Int)) (or (= (select |#valid| v_idx_460) 1) (<= (+ ULTIMATE.start_main_p5 1) v_idx_460) (< v_idx_460 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_456 Int)) (or (< v_idx_456 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_456) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_456)))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:55:46,228 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 18:55:46,229 INFO L272 AbstractInterpreter]: Visited 3 different actions 11 times. Merged at 1 different actions 4 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-07 18:55:46,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:55:46,229 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-07 18:55:46,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:55:46,230 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-07 18:55:46,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:55:46,239 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:55:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:55:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:55:46,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:55:46,308 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:55:46,310 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 31 treesize of output 40 [2019-01-07 18:55:46,356 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:55:46,358 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:55:46,359 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 27 treesize of output 42 [2019-01-07 18:55:46,408 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:55:46,410 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:55:46,411 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:55:46,412 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:55:46,413 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2019-01-07 18:55:46,415 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-07 18:55:46,430 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:55:46,443 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:55:46,463 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2019-01-07 18:55:46,470 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 27 [2019-01-07 18:55:46,483 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 37 [2019-01-07 18:55:46,499 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 25 treesize of output 51 [2019-01-07 18:55:46,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 50 [2019-01-07 18:55:46,522 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-07 18:55:46,547 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:55:46,564 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:55:46,578 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:55:46,590 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:55:46,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-01-07 18:55:46,627 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:52, output treesize:50 [2019-01-07 18:55:46,636 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:55:46,636 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_30|, ULTIMATE.start_main_p2, ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, |v_#valid_8|]. (let ((.cse0 (store |v_#valid_8| ULTIMATE.start_main_p1 1))) (let ((.cse1 (store .cse0 ULTIMATE.start_main_p2 1))) (and (= 0 (select .cse0 ULTIMATE.start_main_p2)) (= (store (store (store (store (store |v_#memory_int_30| 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) |#memory_int|) (= 0 (select (store .cse1 ULTIMATE.start_main_p3 1) ULTIMATE.start_main_p4)) (= (select .cse1 ULTIMATE.start_main_p3) 0)))) [2019-01-07 18:55:46,636 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, ULTIMATE.start_main_p2]. (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0)) [2019-01-07 18:55:48,722 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:55:48,793 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 36 treesize of output 66 [2019-01-07 18:55:48,823 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 16 xjuncts. [2019-01-07 18:55:49,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 16 dim-0 vars, and 5 xjuncts. [2019-01-07 18:55:49,050 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:60, output treesize:231 [2019-01-07 18:55:51,512 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:55:51,513 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_31|, ULTIMATE.start_main_p5, ULTIMATE.start_main_p2, ULTIMATE.start_main_p3, ULTIMATE.start_main_p4]. (let ((.cse0 (select |v_#memory_int_31| ULTIMATE.start_main_p5))) (and (= (select |v_#memory_int_31| ULTIMATE.start_main_p2) 0) (= 0 (select |v_#memory_int_31| ULTIMATE.start_main_p3)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (= (select |v_#memory_int_31| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (= .cse0 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= (store |v_#memory_int_31| ULTIMATE.start_main_p5 (+ .cse0 1)) |#memory_int|) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= (select |v_#memory_int_31| ULTIMATE.start_main_p1) 0))) [2019-01-07 18:55:51,513 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [v_prenex_23, v_prenex_20, v_prenex_22, v_prenex_21, ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, ULTIMATE.start_main_p2, v_prenex_19, ULTIMATE.start_main_p5, v_prenex_18, v_prenex_17, v_prenex_15, v_prenex_16, v_prenex_25, v_prenex_26, v_prenex_24]. (let ((.cse0 (select |#memory_int| ULTIMATE.start_main_p1))) (let ((.cse1 (= .cse0 0))) (or (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (= .cse0 1) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0)) (and (not (= v_prenex_19 ULTIMATE.start_main_p5)) (not (= v_prenex_18 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= v_prenex_19 v_prenex_18)) .cse1 (not (= v_prenex_18 ULTIMATE.start_main_p1)) (= 1 (select |#memory_int| ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| v_prenex_18)) (not (= v_prenex_19 ULTIMATE.start_main_p1)) (= (select |#memory_int| v_prenex_19) 0)) (and (not (= v_prenex_17 v_prenex_15)) (not (= v_prenex_17 v_prenex_16)) .cse1 (not (= v_prenex_16 ULTIMATE.start_main_p1)) (not (= v_prenex_16 v_prenex_15)) (= (select |#memory_int| v_prenex_17) 1) (= 0 (select |#memory_int| v_prenex_16)) (not (= v_prenex_17 ULTIMATE.start_main_p1)) (= (select |#memory_int| v_prenex_15) 0) (not (= ULTIMATE.start_main_p1 v_prenex_15))) (and (not (= v_prenex_23 v_prenex_20)) (not (= v_prenex_23 v_prenex_22)) .cse1 (not (= v_prenex_22 ULTIMATE.start_main_p1)) (not (= v_prenex_22 v_prenex_20)) (= 1 (select |#memory_int| v_prenex_21)) (= 0 (select |#memory_int| v_prenex_22)) (not (= v_prenex_23 ULTIMATE.start_main_p1)) (= (select |#memory_int| v_prenex_23) 0) (= (select |#memory_int| v_prenex_20) 0) (not (= ULTIMATE.start_main_p1 v_prenex_20))) (and (not (= v_prenex_25 v_prenex_26)) (= 1 (select |#memory_int| v_prenex_24)) (not (= v_prenex_25 v_prenex_24)) .cse1 (not (= v_prenex_24 ULTIMATE.start_main_p1)) (not (= v_prenex_24 v_prenex_26)) (not (= v_prenex_25 ULTIMATE.start_main_p1)) (= (select |#memory_int| v_prenex_25) 0) (not (= ULTIMATE.start_main_p1 v_prenex_26)) (= (select |#memory_int| v_prenex_26) 0))))) [2019-01-07 18:55:51,642 INFO L273 TraceCheckUtils]: 0: Hoare triple {262#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {269#(and (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))))} is VALID [2019-01-07 18:55:51,645 INFO L273 TraceCheckUtils]: 1: Hoare triple {269#(and (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))))} #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; {273#(or (and (= (select |#memory_int| ULTIMATE.start_main_p1) 1) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4))))) (and (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((v_prenex_26 Int) (v_prenex_25 Int) (v_prenex_24 Int)) (and (= 1 (select |#memory_int| v_prenex_24)) (not (= v_prenex_25 v_prenex_26)) (not (= v_prenex_25 ULTIMATE.start_main_p1)) (= (select |#memory_int| v_prenex_25) 0) (= (select |#memory_int| v_prenex_26) 0) (not (= v_prenex_25 v_prenex_24)) (not (= ULTIMATE.start_main_p1 v_prenex_26)) (not (= v_prenex_24 ULTIMATE.start_main_p1)) (not (= v_prenex_24 v_prenex_26))))))} is VALID [2019-01-07 18:55:51,646 INFO L273 TraceCheckUtils]: 2: Hoare triple {273#(or (and (= (select |#memory_int| ULTIMATE.start_main_p1) 1) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p2 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4))))) (and (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((v_prenex_26 Int) (v_prenex_25 Int) (v_prenex_24 Int)) (and (= 1 (select |#memory_int| v_prenex_24)) (not (= v_prenex_25 v_prenex_26)) (not (= v_prenex_25 ULTIMATE.start_main_p1)) (= (select |#memory_int| v_prenex_25) 0) (= (select |#memory_int| v_prenex_26) 0) (not (= v_prenex_25 v_prenex_24)) (not (= ULTIMATE.start_main_p1 v_prenex_26)) (not (= v_prenex_24 ULTIMATE.start_main_p1)) (not (= v_prenex_24 v_prenex_26))))))} assume !(#memory_int[main_p1] >= 0); {263#false} is VALID [2019-01-07 18:55:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:55:51,647 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:55:51,662 INFO L273 TraceCheckUtils]: 2: Hoare triple {265#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} assume !(#memory_int[main_p1] >= 0); {263#false} is VALID [2019-01-07 18:55:51,663 INFO L273 TraceCheckUtils]: 1: Hoare triple {280#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p5 (+ (select |#memory_int| ULTIMATE.start_main_p5) 1)) ULTIMATE.start_main_p1))} #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; {265#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:55:51,666 INFO L273 TraceCheckUtils]: 0: Hoare triple {262#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {280#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p5 (+ (select |#memory_int| ULTIMATE.start_main_p5) 1)) ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:55:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:55:51,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-01-07 18:55:51,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2, 2] total 5 [2019-01-07 18:55:51,686 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 18:55:51,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-01-07 18:55:51,687 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:55:51,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2019-01-07 18:55:51,691 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:55:51,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-07 18:55:51,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-07 18:55:51,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=22, Unknown=1, NotChecked=0, Total=42 [2019-01-07 18:55:51,692 INFO L87 Difference]: Start difference. First operand 16 states and 32 transitions. Second operand 4 states. [2019-01-07 18:55:51,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:55:51,792 INFO L93 Difference]: Finished difference Result 18 states and 39 transitions. [2019-01-07 18:55:51,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 18:55:51,792 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-01-07 18:55:51,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:55:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-07 18:55:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2019-01-07 18:55:51,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-07 18:55:51,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2019-01-07 18:55:51,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 22 transitions. [2019-01-07 18:55:51,871 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:55:51,873 INFO L225 Difference]: With dead ends: 18 [2019-01-07 18:55:51,873 INFO L226 Difference]: Without dead ends: 17 [2019-01-07 18:55:51,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=19, Invalid=22, Unknown=1, NotChecked=0, Total=42 [2019-01-07 18:55:51,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-07 18:55:51,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-01-07 18:55:51,895 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:55:51,895 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2019-01-07 18:55:51,896 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2019-01-07 18:55:51,896 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2019-01-07 18:55:51,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:55:51,898 INFO L93 Difference]: Finished difference Result 17 states and 38 transitions. [2019-01-07 18:55:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 38 transitions. [2019-01-07 18:55:51,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:55:51,899 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:55:51,900 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2019-01-07 18:55:51,900 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2019-01-07 18:55:51,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:55:51,902 INFO L93 Difference]: Finished difference Result 17 states and 38 transitions. [2019-01-07 18:55:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 38 transitions. [2019-01-07 18:55:51,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:55:51,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:55:51,903 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:55:51,903 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:55:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-07 18:55:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 38 transitions. [2019-01-07 18:55:51,905 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 38 transitions. Word has length 3 [2019-01-07 18:55:51,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:55:51,905 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 38 transitions. [2019-01-07 18:55:51,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-07 18:55:51,905 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 38 transitions. [2019-01-07 18:55:51,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 18:55:51,906 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:55:51,906 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 18:55:51,907 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:55:51,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:55:51,907 INFO L82 PathProgramCache]: Analyzing trace with hash 30560, now seen corresponding path program 1 times [2019-01-07 18:55:51,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:55:51,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:55:51,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:55:51,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:55:51,909 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:55:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:55:51,953 INFO L273 TraceCheckUtils]: 0: Hoare triple {360#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {362#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} is VALID [2019-01-07 18:55:51,953 INFO L273 TraceCheckUtils]: 1: Hoare triple {362#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} assume #memory_int[main_p1] >= 0; {362#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} is VALID [2019-01-07 18:55:51,955 INFO L273 TraceCheckUtils]: 2: Hoare triple {362#(= (select |#memory_int| ULTIMATE.start_main_p2) 0)} assume !(#memory_int[main_p2] <= 0); {361#false} is VALID [2019-01-07 18:55:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:55:51,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 18:55:51,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-07 18:55:51,956 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 18:55:51,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-01-07 18:55:51,956 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:55:51,956 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-07 18:55:51,962 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:55:51,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 18:55:51,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 18:55:51,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 18:55:51,962 INFO L87 Difference]: Start difference. First operand 17 states and 38 transitions. Second operand 3 states. [2019-01-07 18:55:52,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:55:52,057 INFO L93 Difference]: Finished difference Result 21 states and 39 transitions. [2019-01-07 18:55:52,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 18:55:52,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-01-07 18:55:52,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:55:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:55:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2019-01-07 18:55:52,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:55:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2019-01-07 18:55:52,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 27 transitions. [2019-01-07 18:55:52,120 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:55:52,121 INFO L225 Difference]: With dead ends: 21 [2019-01-07 18:55:52,122 INFO L226 Difference]: Without dead ends: 20 [2019-01-07 18:55:52,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 18:55:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-07 18:55:52,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-01-07 18:55:52,136 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:55:52,136 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 17 states. [2019-01-07 18:55:52,136 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 17 states. [2019-01-07 18:55:52,136 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 17 states. [2019-01-07 18:55:52,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:55:52,139 INFO L93 Difference]: Finished difference Result 20 states and 38 transitions. [2019-01-07 18:55:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2019-01-07 18:55:52,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:55:52,140 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:55:52,140 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 20 states. [2019-01-07 18:55:52,140 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 20 states. [2019-01-07 18:55:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:55:52,142 INFO L93 Difference]: Finished difference Result 20 states and 38 transitions. [2019-01-07 18:55:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2019-01-07 18:55:52,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:55:52,143 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:55:52,143 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:55:52,143 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:55:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-07 18:55:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 37 transitions. [2019-01-07 18:55:52,144 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 37 transitions. Word has length 3 [2019-01-07 18:55:52,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:55:52,145 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 37 transitions. [2019-01-07 18:55:52,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 18:55:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 37 transitions. [2019-01-07 18:55:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 18:55:52,145 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:55:52,145 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 18:55:52,146 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:55:52,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:55:52,146 INFO L82 PathProgramCache]: Analyzing trace with hash 30124, now seen corresponding path program 1 times [2019-01-07 18:55:52,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:55:52,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:55:52,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:55:52,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:55:52,147 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:55:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:55:52,227 INFO L273 TraceCheckUtils]: 0: Hoare triple {451#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {453#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p2)) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p2 (+ (select |#memory_int| ULTIMATE.start_main_p2) (- 1))) ULTIMATE.start_main_p1)))} is VALID [2019-01-07 18:55:52,228 INFO L273 TraceCheckUtils]: 1: Hoare triple {453#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p2)) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p2 (+ (select |#memory_int| ULTIMATE.start_main_p2) (- 1))) ULTIMATE.start_main_p1)))} #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; {454#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:55:52,229 INFO L273 TraceCheckUtils]: 2: Hoare triple {454#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {452#false} is VALID [2019-01-07 18:55:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:55:52,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:55:52,230 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:55:52,230 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 18:55:52,230 INFO L207 CegarAbsIntRunner]: [0], [10], [23] [2019-01-07 18:55:52,233 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 18:55:52,233 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:55:54,647 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:54,647 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:54,647 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:54,647 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:54,647 WARN L224 ngHoareTripleChecker]: Pre: {2147483613#(forall ((v_idx_478 Int) (v_idx_479 Int) (v_idx_487 Int) (v_idx_488 Int) (v_idx_481 Int) (v_idx_482 Int) (v_idx_480 Int) (v_idx_485 Int) (v_idx_486 Int) (v_idx_483 Int) (v_idx_484 Int)) (exists ((v_v_54_3 Int) (v_v_67_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_69_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_488 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_488) v_v_54_3)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_481 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_481) v_v_69_3)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_483) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_483)) (< v_idx_483 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_486) (= v_v_52_3 (select |c_#valid| v_idx_486))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_482) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_482) v_v_46_3)) (or (= v_v_48_3 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_484)) (< v_idx_484 (+ c_ULTIMATE.start_main_p5 1))) (= v_v_4_3 (select |c_old(#memory_int)| v_idx_478)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_487 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_487) (= 1 (select |c_#valid| v_idx_487))) (or (< v_idx_480 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_480) (= (select |c_#memory_int| v_idx_480) 0)) (or (= (select |c_#memory_int| v_idx_479) v_v_67_3) (<= c_ULTIMATE.start_malloc_ptr v_idx_479)) (= v_v_2_3 (select |c_old(#valid)| v_idx_485)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:55:54,648 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:54,648 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:54,648 WARN L230 ngHoareTripleChecker]: Post: {2147483612#(forall ((v_idx_489 Int) (v_idx_498 Int) (v_idx_499 Int) (v_idx_492 Int) (v_idx_493 Int) (v_idx_490 Int) (v_idx_491 Int) (v_idx_496 Int) (v_idx_497 Int) (v_idx_494 Int) (v_idx_495 Int)) (exists ((v_v_54_3 Int) (v_v_72_3 Int) (v_v_71_3 Int) (v_v_52_3 Int) (v_v_70_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= 1 (select |c_#valid| v_idx_498)) (< v_idx_498 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_498)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_493) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_493) v_v_46_3)) (or (= (select |c_#memory_int| v_idx_491) v_v_71_3) (< v_idx_491 c_ULTIMATE.start_main_p1) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_491)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_499 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_499) v_v_54_3)) (<= (+ v_v_71_3 1) 0) (<= (- v_v_71_3 (- v_v_71_3)) (- 2)) (or (= (select |c_#valid| v_idx_497) v_v_52_3) (<= c_ULTIMATE.start_malloc_ptr v_idx_497)) (= v_v_4_3 (select |c_old(#memory_int)| v_idx_489)) (= v_v_2_3 (select |c_old(#valid)| v_idx_496)) (or (< v_idx_494 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_494) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_494))) (or (= (select |c_#memory_int| v_idx_492) v_v_72_3) (< v_idx_492 (+ c_ULTIMATE.start_main_p1 1))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#memory_int| v_idx_490) v_v_70_3) (<= c_ULTIMATE.start_main_p1 v_idx_490)) (or (< v_idx_495 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_495) v_v_48_3)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:55:54,648 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:54,991 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:54,992 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:55,163 WARN L270 ngHoareTripleChecker]: Pre: {2147483613#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_480 Int)) (or (< v_idx_480 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_480) (= (select |#memory_int| v_idx_480) 0))) (forall ((v_idx_483 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_483) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_483)) (< v_idx_483 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_487 Int)) (or (< v_idx_487 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_487) (= 1 (select |#valid| v_idx_487)))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:55:55,164 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:55:55,164 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:55:55,218 WARN L276 ngHoareTripleChecker]: Post: {2147483612#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_491 Int)) (or (< v_idx_491 ULTIMATE.start_main_p1) (<= (+ ULTIMATE.start_main_p1 1) v_idx_491) (<= (+ (* 2 (select |#memory_int| v_idx_491)) 2) 0))) (forall ((v_idx_498 Int)) (or (= 1 (select |#valid| v_idx_498)) (< v_idx_498 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_498))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_494 Int)) (or (< v_idx_494 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_494) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_494)))) (forall ((v_prenex_27 Int)) (or (< v_prenex_27 ULTIMATE.start_main_p1) (<= (+ (select |#memory_int| v_prenex_27) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_27))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:55:57,328 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:55:57,329 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:55:57,329 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:55:57,329 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:55:57,329 WARN L224 ngHoareTripleChecker]: Pre: {2147483611#(forall ((v_idx_500 Int) (v_idx_501 Int) (v_idx_510 Int) (v_idx_504 Int) (v_idx_505 Int) (v_idx_502 Int) (v_idx_503 Int) (v_idx_508 Int) (v_idx_509 Int) (v_idx_506 Int) (v_idx_507 Int)) (exists ((v_v_54_3 Int) (v_v_67_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_69_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_504) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_504) v_v_46_3)) (or (< v_idx_510 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_3 (select |c_#valid| v_idx_510))) (or (< v_idx_505 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_505) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_505))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= v_v_52_3 (select |c_#valid| v_idx_508)) (<= c_ULTIMATE.start_malloc_ptr v_idx_508)) (or (< v_idx_509 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_509) (= 1 (select |c_#valid| v_idx_509))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_502) (= 0 (select |c_#memory_int| v_idx_502)) (< v_idx_502 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_501) (= (select |c_#memory_int| v_idx_501) v_v_67_3)) (or (< v_idx_506 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_506) v_v_48_3)) (or (= v_v_69_3 (select |c_#memory_int| v_idx_503)) (< v_idx_503 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (= v_v_4_3 (select |c_old(#memory_int)| v_idx_500)) (= (select |c_old(#valid)| v_idx_507) v_v_2_3) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:55:57,329 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-01-07 18:55:57,329 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-01-07 18:55:57,330 WARN L230 ngHoareTripleChecker]: Post: {2147483610#(forall ((v_idx_511 Int) (v_idx_512 Int) (v_idx_520 Int) (v_idx_521 Int) (v_idx_515 Int) (v_idx_516 Int) (v_idx_513 Int) (v_idx_514 Int) (v_idx_519 Int) (v_idx_517 Int) (v_idx_518 Int)) (exists ((v_v_54_3 Int) (v_v_75_3 Int) (v_v_74_3 Int) (v_v_73_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_520 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_520) (= 1 (select |c_#valid| v_idx_520))) (or (= v_v_54_3 (select |c_#valid| v_idx_521)) (< v_idx_521 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_517 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_48_3 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_517))) (or (<= c_ULTIMATE.start_main_p2 v_idx_512) (= (select |c_#memory_int| v_idx_512) v_v_73_3)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_516) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_516) 0) (< v_idx_516 c_ULTIMATE.start_malloc_ptr)) (= v_v_4_3 (select |c_old(#memory_int)| v_idx_511)) (= v_v_2_3 (select |c_old(#valid)| v_idx_518)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_515) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_515) v_v_46_3)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_519) (= v_v_52_3 (select |c_#valid| v_idx_519))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#memory_int| v_idx_513) v_v_74_3) (< v_idx_513 c_ULTIMATE.start_main_p2) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_513)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_514 (+ c_ULTIMATE.start_main_p2 1)) (= (select |c_#memory_int| v_idx_514) v_v_75_3)))))} [2019-01-07 18:55:57,330 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:55:57,833 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:55:57,833 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:55:58,094 WARN L270 ngHoareTripleChecker]: Pre: {2147483611#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_505 Int)) (or (< v_idx_505 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_505) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_505)))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_502 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_502) (= 0 (select |#memory_int| v_idx_502)) (< v_idx_502 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_509 Int)) (or (< v_idx_509 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_509) (= 1 (select |#valid| v_idx_509)))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:55:58,094 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-01-07 18:55:58,095 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-01-07 18:55:58,145 WARN L276 ngHoareTripleChecker]: Post: {2147483610#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_516 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_516) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_516) 0) (< v_idx_516 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_520 Int)) (or (< v_idx_520 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_520) (= 1 (select |#valid| v_idx_520)))))} [2019-01-07 18:56:01,044 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:01,044 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:01,044 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:01,044 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:01,044 WARN L224 ngHoareTripleChecker]: Pre: {2147483609#(or (forall ((v_idx_522 Int) (v_idx_523 Int) (v_idx_531 Int) (v_idx_532 Int) (v_idx_526 Int) (v_idx_527 Int) (v_idx_524 Int) (v_idx_525 Int) (v_idx_528 Int) (v_idx_529 Int) (v_idx_530 Int)) (exists ((v_v_54_3 Int) (v_v_67_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_69_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_523) (= (select |c_#memory_int| v_idx_523) v_v_67_3)) (or (< v_idx_532 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_3 (select |c_#valid| v_idx_532))) (or (< v_idx_531 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_531) (= 1 (select |c_#valid| v_idx_531))) (= (select |c_old(#valid)| v_idx_529) v_v_2_3) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_530) (= v_v_52_3 (select |c_#valid| v_idx_530))) (= v_v_4_3 (select |c_old(#memory_int)| v_idx_522)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_526) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_526) v_v_46_3)) (or (= (select |c_#memory_int| v_idx_525) v_v_69_3) (< v_idx_525 (+ c_ULTIMATE.start_main_p5 1))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_527) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_527)) (< v_idx_527 c_ULTIMATE.start_malloc_ptr)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_524) (= (select |c_#memory_int| v_idx_524) 0) (< v_idx_524 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= v_v_48_3 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_528)) (< v_idx_528 (+ c_ULTIMATE.start_main_p5 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))) (forall ((v_idx_533 Int) (v_idx_534 Int) (v_idx_542 Int) (v_idx_543 Int) (v_idx_537 Int) (v_idx_538 Int) (v_idx_535 Int) (v_idx_536 Int) (v_idx_539 Int) (v_idx_540 Int) (v_idx_541 Int)) (exists ((v_v_54_3 Int) (v_v_75_3 Int) (v_v_74_3 Int) (v_v_73_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_535) (= (select |c_#memory_int| v_idx_535) v_v_74_3) (< v_idx_535 c_ULTIMATE.start_main_p2)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_537) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_537) v_v_46_3)) (or (= v_v_54_3 (select |c_#valid| v_idx_543)) (< v_idx_543 (+ c_ULTIMATE.start_main_p5 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_539) v_v_48_3) (< v_idx_539 (+ c_ULTIMATE.start_main_p5 1))) (or (= (select |c_#memory_int| v_idx_534) v_v_73_3) (<= c_ULTIMATE.start_main_p2 v_idx_534)) (or (= v_v_52_3 (select |c_#valid| v_idx_541)) (<= c_ULTIMATE.start_malloc_ptr v_idx_541)) (or (= (select |c_#memory_int| v_idx_536) v_v_75_3) (< v_idx_536 (+ c_ULTIMATE.start_main_p2 1))) (= (select |c_old(#valid)| v_idx_540) v_v_2_3) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (= v_v_4_3 (select |c_old(#memory_int)| v_idx_533)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_538) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_538)) (< v_idx_538 c_ULTIMATE.start_malloc_ptr)) (or (= 1 (select |c_#valid| v_idx_542)) (< v_idx_542 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_542))))))} [2019-01-07 18:56:01,045 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:56:01,045 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:56:01,045 WARN L230 ngHoareTripleChecker]: Post: {2147483608#(forall ((v_idx_544 Int) (v_idx_545 Int) (v_idx_553 Int) (v_idx_554 Int) (v_idx_548 Int) (v_idx_549 Int) (v_idx_546 Int) (v_idx_547 Int) (v_idx_551 Int) (v_idx_552 Int) (v_idx_550 Int)) (exists ((v_v_87_3 Int) (v_v_54_3 Int) (v_v_89_3 Int) (v_v_88_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_4_3 (select |c_old(#memory_int)| v_idx_544)) (<= (+ v_v_88_3 1) 0) (or (= (select |c_#memory_int| v_idx_546) v_v_88_3) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_546) (< v_idx_546 c_ULTIMATE.start_main_p1)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_549) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_549) 0) (< v_idx_549 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_#memory_int| v_idx_545) v_v_87_3) (<= c_ULTIMATE.start_main_p1 v_idx_545)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= 1 (select |c_#valid| v_idx_553)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_553) (< v_idx_553 c_ULTIMATE.start_malloc_ptr)) (<= (- v_v_88_3 (- v_v_88_3)) (- 2)) (or (< v_idx_554 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_3 (select |c_#valid| v_idx_554))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_552) (= v_v_52_3 (select |c_#valid| v_idx_552))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_548) v_v_46_3) (<= c_ULTIMATE.start_malloc_ptr v_idx_548)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_550) v_v_48_3) (< v_idx_550 (+ c_ULTIMATE.start_main_p5 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_547 (+ c_ULTIMATE.start_main_p1 1)) (= (select |c_#memory_int| v_idx_547) v_v_89_3)) (= v_v_2_3 (select |c_old(#valid)| v_idx_551)))))} [2019-01-07 18:56:01,045 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:01,371 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:01,371 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:09,699 WARN L181 SmtUtils]: Spent 8.33 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-07 18:56:09,699 WARN L270 ngHoareTripleChecker]: Pre: {2147483609#(or (forall ((v_idx_522 Int) (v_idx_523 Int) (v_idx_531 Int) (v_idx_532 Int) (v_idx_526 Int) (v_idx_527 Int) (v_idx_524 Int) (v_idx_525 Int) (v_idx_528 Int) (v_idx_529 Int) (v_idx_530 Int)) (exists ((v_v_54_3 Int) (v_v_67_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_69_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (<= ULTIMATE.start_malloc_ptr v_idx_523) (= (select |#memory_int| v_idx_523) v_v_67_3)) (or (< v_idx_532 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_3 (select |#valid| v_idx_532))) (or (< v_idx_531 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_531) (= 1 (select |#valid| v_idx_531))) (= (select |old(#valid)| v_idx_529) v_v_2_3) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (<= ULTIMATE.start_malloc_ptr v_idx_530) (= v_v_52_3 (select |#valid| v_idx_530))) (= v_v_4_3 (select |old(#memory_int)| v_idx_522)) (or (<= ULTIMATE.start_malloc_ptr v_idx_526) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_526) v_v_46_3)) (or (= (select |#memory_int| v_idx_525) v_v_69_3) (< v_idx_525 (+ ULTIMATE.start_main_p5 1))) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_527) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_527)) (< v_idx_527 ULTIMATE.start_malloc_ptr)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_524) (= (select |#memory_int| v_idx_524) 0) (< v_idx_524 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= v_v_48_3 (select |ULTIMATE.start_malloc_old_#valid| v_idx_528)) (< v_idx_528 (+ ULTIMATE.start_main_p5 1))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))) (forall ((v_idx_533 Int) (v_idx_534 Int) (v_idx_542 Int) (v_idx_543 Int) (v_idx_537 Int) (v_idx_538 Int) (v_idx_535 Int) (v_idx_536 Int) (v_idx_539 Int) (v_idx_540 Int) (v_idx_541 Int)) (exists ((v_v_54_3 Int) (v_v_75_3 Int) (v_v_74_3 Int) (v_v_73_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (<= (+ ULTIMATE.start_main_p2 1) v_idx_535) (= (select |#memory_int| v_idx_535) v_v_74_3) (< v_idx_535 ULTIMATE.start_main_p2)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (<= ULTIMATE.start_malloc_ptr v_idx_537) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_537) v_v_46_3)) (or (= v_v_54_3 (select |#valid| v_idx_543)) (< v_idx_543 (+ ULTIMATE.start_main_p5 1))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_539) v_v_48_3) (< v_idx_539 (+ ULTIMATE.start_main_p5 1))) (or (= (select |#memory_int| v_idx_534) v_v_73_3) (<= ULTIMATE.start_main_p2 v_idx_534)) (or (= v_v_52_3 (select |#valid| v_idx_541)) (<= ULTIMATE.start_malloc_ptr v_idx_541)) (or (= (select |#memory_int| v_idx_536) v_v_75_3) (< v_idx_536 (+ ULTIMATE.start_main_p2 1))) (= (select |old(#valid)| v_idx_540) v_v_2_3) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (= v_v_4_3 (select |old(#memory_int)| v_idx_533)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_538) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_538)) (< v_idx_538 ULTIMATE.start_malloc_ptr)) (or (= 1 (select |#valid| v_idx_542)) (< v_idx_542 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_542))))))} [2019-01-07 18:56:09,699 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:56:09,699 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:56:09,897 WARN L276 ngHoareTripleChecker]: Post: {2147483608#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_546 Int)) (or (<= (+ (* 2 (select |#memory_int| v_idx_546)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_546) (< v_idx_546 ULTIMATE.start_main_p1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_prenex_28 Int)) (or (< v_prenex_28 ULTIMATE.start_main_p1) (<= (+ (select |#memory_int| v_prenex_28) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_28))) (forall ((v_idx_549 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_549) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_549) 0) (< v_idx_549 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_553 Int)) (or (= 1 (select |#valid| v_idx_553)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_553) (< v_idx_553 ULTIMATE.start_malloc_ptr))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:12,537 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:12,538 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:12,538 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:12,538 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:12,538 WARN L224 ngHoareTripleChecker]: Pre: {2147483607#(or (forall ((v_idx_555 Int) (v_idx_556 Int) (v_idx_564 Int) (v_idx_565 Int) (v_idx_559 Int) (v_idx_557 Int) (v_idx_558 Int) (v_idx_562 Int) (v_idx_563 Int) (v_idx_560 Int) (v_idx_561 Int)) (exists ((v_v_54_3 Int) (v_v_67_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_69_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_557 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_557) (= (select |c_#memory_int| v_idx_557) 0)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= (select |c_old(#memory_int)| v_idx_555) v_v_4_3) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_556) (= (select |c_#memory_int| v_idx_556) v_v_67_3)) (= v_v_2_3 (select |c_old(#valid)| v_idx_562)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_559) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_559) v_v_46_3)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_563) (= v_v_52_3 (select |c_#valid| v_idx_563))) (or (= v_v_48_3 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_561)) (< v_idx_561 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_558 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_558) v_v_69_3)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_560)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_560) (< v_idx_560 c_ULTIMATE.start_malloc_ptr)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_564) (= 1 (select |c_#valid| v_idx_564)) (< v_idx_564 c_ULTIMATE.start_malloc_ptr)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_54_3 (select |c_#valid| v_idx_565)) (< v_idx_565 (+ c_ULTIMATE.start_main_p5 1)))))) (forall ((v_idx_566 Int) (v_idx_567 Int) (v_idx_575 Int) (v_idx_576 Int) (v_idx_568 Int) (v_idx_569 Int) (v_idx_570 Int) (v_idx_573 Int) (v_idx_574 Int) (v_idx_571 Int) (v_idx_572 Int)) (exists ((v_v_54_3 Int) (v_v_75_3 Int) (v_v_74_3 Int) (v_v_52_3 Int) (v_v_73_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= 1 (select |c_#valid| v_idx_575)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_575) (< v_idx_575 c_ULTIMATE.start_malloc_ptr)) (= (select |c_old(#valid)| v_idx_573) v_v_2_3) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_571) 0) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_571) (< v_idx_571 c_ULTIMATE.start_malloc_ptr)) (or (= v_v_52_3 (select |c_#valid| v_idx_574)) (<= c_ULTIMATE.start_malloc_ptr v_idx_574)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_570) v_v_46_3) (<= c_ULTIMATE.start_malloc_ptr v_idx_570)) (or (= (select |c_#memory_int| v_idx_567) v_v_73_3) (<= c_ULTIMATE.start_main_p2 v_idx_567)) (or (= (select |c_#memory_int| v_idx_568) v_v_74_3) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_568) (< v_idx_568 c_ULTIMATE.start_main_p2)) (or (< v_idx_576 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_3 (select |c_#valid| v_idx_576))) (or (= (select |c_#memory_int| v_idx_569) v_v_75_3) (< v_idx_569 (+ c_ULTIMATE.start_main_p2 1))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_572) v_v_48_3) (< v_idx_572 (+ c_ULTIMATE.start_main_p5 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (= (select |c_old(#memory_int)| v_idx_566) v_v_4_3)))))} [2019-01-07 18:56:12,538 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-01-07 18:56:12,538 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-01-07 18:56:12,539 WARN L230 ngHoareTripleChecker]: Post: {2147483606#(forall ((v_idx_577 Int) (v_idx_578 Int) (v_idx_586 Int) (v_idx_587 Int) (v_idx_579 Int) (v_idx_580 Int) (v_idx_581 Int) (v_idx_584 Int) (v_idx_585 Int) (v_idx_582 Int) (v_idx_583 Int)) (exists ((v_v_54_3 Int) (v_v_127_3 Int) (v_v_52_3 Int) (v_v_128_3 Int) (v_v_126_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= (select |c_old(#memory_int)| v_idx_577) v_v_4_3) (or (< v_idx_586 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_586) (= 1 (select |c_#valid| v_idx_586))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_579 c_ULTIMATE.start_main_p2) (= (select |c_#memory_int| v_idx_579) v_v_127_3) (<= (+ c_ULTIMATE.start_main_p2 1) v_idx_579)) (or (< v_idx_583 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_583) v_v_48_3)) (= (select |c_old(#valid)| v_idx_584) v_v_2_3) (or (= v_v_54_3 (select |c_#valid| v_idx_587)) (< v_idx_587 (+ c_ULTIMATE.start_main_p5 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_585) (= v_v_52_3 (select |c_#valid| v_idx_585))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_581) v_v_46_3) (<= c_ULTIMATE.start_malloc_ptr v_idx_581)) (or (<= c_ULTIMATE.start_main_p2 v_idx_578) (= (select |c_#memory_int| v_idx_578) v_v_126_3)) (or (= (select |c_#memory_int| v_idx_580) v_v_128_3) (< v_idx_580 (+ c_ULTIMATE.start_main_p2 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_582) (< v_idx_582 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_582))))))} [2019-01-07 18:56:12,539 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:13,119 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:13,120 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:21,484 WARN L181 SmtUtils]: Spent 8.36 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-07 18:56:21,484 WARN L270 ngHoareTripleChecker]: Pre: {2147483607#(or (forall ((v_idx_555 Int) (v_idx_556 Int) (v_idx_564 Int) (v_idx_565 Int) (v_idx_559 Int) (v_idx_557 Int) (v_idx_558 Int) (v_idx_562 Int) (v_idx_563 Int) (v_idx_560 Int) (v_idx_561 Int)) (exists ((v_v_54_3 Int) (v_v_67_3 Int) (v_v_52_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_69_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_557 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_557) (= (select |#memory_int| v_idx_557) 0)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (= (select |old(#memory_int)| v_idx_555) v_v_4_3) (or (<= ULTIMATE.start_malloc_ptr v_idx_556) (= (select |#memory_int| v_idx_556) v_v_67_3)) (= v_v_2_3 (select |old(#valid)| v_idx_562)) (or (<= ULTIMATE.start_malloc_ptr v_idx_559) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_559) v_v_46_3)) (or (<= ULTIMATE.start_malloc_ptr v_idx_563) (= v_v_52_3 (select |#valid| v_idx_563))) (or (= v_v_48_3 (select |ULTIMATE.start_malloc_old_#valid| v_idx_561)) (< v_idx_561 (+ ULTIMATE.start_main_p5 1))) (or (< v_idx_558 (+ ULTIMATE.start_main_p5 1)) (= (select |#memory_int| v_idx_558) v_v_69_3)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_560)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_560) (< v_idx_560 ULTIMATE.start_malloc_ptr)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_564) (= 1 (select |#valid| v_idx_564)) (< v_idx_564 ULTIMATE.start_malloc_ptr)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_54_3 (select |#valid| v_idx_565)) (< v_idx_565 (+ ULTIMATE.start_main_p5 1)))))) (forall ((v_idx_566 Int) (v_idx_567 Int) (v_idx_575 Int) (v_idx_576 Int) (v_idx_568 Int) (v_idx_569 Int) (v_idx_570 Int) (v_idx_573 Int) (v_idx_574 Int) (v_idx_571 Int) (v_idx_572 Int)) (exists ((v_v_54_3 Int) (v_v_75_3 Int) (v_v_74_3 Int) (v_v_52_3 Int) (v_v_73_3 Int) (v_v_2_3 Int) (v_v_48_3 Int) (v_v_4_3 Int) (v_v_46_3 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (= 1 (select |#valid| v_idx_575)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_575) (< v_idx_575 ULTIMATE.start_malloc_ptr)) (= (select |old(#valid)| v_idx_573) v_v_2_3) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_571) 0) (<= (+ ULTIMATE.start_main_p5 1) v_idx_571) (< v_idx_571 ULTIMATE.start_malloc_ptr)) (or (= v_v_52_3 (select |#valid| v_idx_574)) (<= ULTIMATE.start_malloc_ptr v_idx_574)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_570) v_v_46_3) (<= ULTIMATE.start_malloc_ptr v_idx_570)) (or (= (select |#memory_int| v_idx_567) v_v_73_3) (<= ULTIMATE.start_main_p2 v_idx_567)) (or (= (select |#memory_int| v_idx_568) v_v_74_3) (<= (+ ULTIMATE.start_main_p2 1) v_idx_568) (< v_idx_568 ULTIMATE.start_main_p2)) (or (< v_idx_576 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_3 (select |#valid| v_idx_576))) (or (= (select |#memory_int| v_idx_569) v_v_75_3) (< v_idx_569 (+ ULTIMATE.start_main_p2 1))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_572) v_v_48_3) (< v_idx_572 (+ ULTIMATE.start_main_p5 1))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (= (select |old(#memory_int)| v_idx_566) v_v_4_3)))))} [2019-01-07 18:56:21,485 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; [2019-01-07 18:56:21,485 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p2 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p2) (- 1)))) [2019-01-07 18:56:21,662 WARN L276 ngHoareTripleChecker]: Post: {2147483606#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_582 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_582) (< v_idx_582 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_582)))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_586 Int)) (or (< v_idx_586 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_586) (= 1 (select |#valid| v_idx_586)))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:22,134 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 18:56:22,134 INFO L272 AbstractInterpreter]: Visited 3 different actions 5 times. Merged at 1 different actions 1 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-07 18:56:22,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:56:22,135 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-07 18:56:22,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:56:22,135 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-07 18:56:22,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:56:22,146 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:56:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:56:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:56:22,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:56:22,211 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 18 treesize of output 21 [2019-01-07 18:56:22,247 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 21 treesize of output 27 [2019-01-07 18:56:22,256 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,257 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,259 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 23 treesize of output 37 [2019-01-07 18:56:22,269 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,271 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,272 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,273 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 25 treesize of output 51 [2019-01-07 18:56:22,297 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 50 [2019-01-07 18:56:22,300 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-07 18:56:22,321 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:22,339 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:22,352 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:22,366 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:22,433 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,435 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 31 treesize of output 40 [2019-01-07 18:56:22,477 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,479 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,480 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 27 treesize of output 42 [2019-01-07 18:56:22,565 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,567 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,568 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,569 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,570 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2019-01-07 18:56:22,579 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-07 18:56:22,590 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:22,600 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:56:22,637 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-01-07 18:56:22,638 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:52, output treesize:50 [2019-01-07 18:56:22,648 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:56:22,648 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_33|, ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, ULTIMATE.start_main_p5, |v_#valid_9|]. (let ((.cse0 (store |v_#valid_9| ULTIMATE.start_main_p1 1))) (let ((.cse1 (store .cse0 ULTIMATE.start_main_p2 1))) (and (= (select .cse0 ULTIMATE.start_main_p2) 0) (= (select .cse1 ULTIMATE.start_main_p3) 0) (= (store (store (store (store (store |v_#memory_int_33| 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) |#memory_int|) (= (select (store .cse1 ULTIMATE.start_main_p3 1) ULTIMATE.start_main_p4) 0)))) [2019-01-07 18:56:22,649 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, ULTIMATE.start_main_p5]. (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0)) [2019-01-07 18:56:22,722 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:56:22,723 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 51 [2019-01-07 18:56:22,725 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:56:22,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-01-07 18:56:22,750 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:55, output treesize:33 [2019-01-07 18:56:24,756 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:56:24,757 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_34|, ULTIMATE.start_main_p2, ULTIMATE.start_main_p3, ULTIMATE.start_main_p4]. (let ((.cse0 (select |v_#memory_int_34| ULTIMATE.start_main_p2))) (and (= |#memory_int| (store |v_#memory_int_34| ULTIMATE.start_main_p2 (+ .cse0 (- 1)))) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (= (select |v_#memory_int_34| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= .cse0 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= (select |v_#memory_int_34| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= (select |v_#memory_int_34| ULTIMATE.start_main_p3) 0))) [2019-01-07 18:56:24,757 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p3, ULTIMATE.start_main_p4, ULTIMATE.start_main_p2]. (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (= (- 1) (select |#memory_int| ULTIMATE.start_main_p2)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0)) [2019-01-07 18:56:24,789 INFO L273 TraceCheckUtils]: 0: Hoare triple {451#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {458#(and (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))))} is VALID [2019-01-07 18:56:24,791 INFO L273 TraceCheckUtils]: 1: Hoare triple {458#(and (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))))} #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; {462#(and (exists ((ULTIMATE.start_main_p2 Int)) (= 0 (+ (select |#memory_int| ULTIMATE.start_main_p2) 1))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))))} is VALID [2019-01-07 18:56:24,792 INFO L273 TraceCheckUtils]: 2: Hoare triple {462#(and (exists ((ULTIMATE.start_main_p2 Int)) (= 0 (+ (select |#memory_int| ULTIMATE.start_main_p2) 1))) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (exists ((ULTIMATE.start_main_p4 Int) (ULTIMATE.start_main_p3 Int)) (and (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))))} assume !(#memory_int[main_p1] >= 0); {452#false} is VALID [2019-01-07 18:56:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:56:24,792 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:56:24,813 INFO L273 TraceCheckUtils]: 2: Hoare triple {466#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} assume !(#memory_int[main_p1] >= 0); {452#false} is VALID [2019-01-07 18:56:24,815 INFO L273 TraceCheckUtils]: 1: Hoare triple {470#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p2 (+ (select |#memory_int| ULTIMATE.start_main_p2) (- 1))) ULTIMATE.start_main_p1))} #memory_int := #memory_int[main_p2 := #memory_int[main_p2] - 1]; {466#(<= 0 (select |#memory_int| ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:56:24,817 INFO L273 TraceCheckUtils]: 0: Hoare triple {451#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {470#(<= 0 (select (store |#memory_int| ULTIMATE.start_main_p2 (+ (select |#memory_int| ULTIMATE.start_main_p2) (- 1))) ULTIMATE.start_main_p1))} is VALID [2019-01-07 18:56:24,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:56:24,838 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:56:24,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 6 [2019-01-07 18:56:24,838 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:56:24,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-07 18:56:24,839 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:56:24,839 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2019-01-07 18:56:24,847 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:56:24,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-07 18:56:24,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-07 18:56:24,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-07 18:56:24,848 INFO L87 Difference]: Start difference. First operand 17 states and 37 transitions. Second operand 6 states. [2019-01-07 18:56:25,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:56:25,269 INFO L93 Difference]: Finished difference Result 39 states and 66 transitions. [2019-01-07 18:56:25,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-07 18:56:25,270 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 3 [2019-01-07 18:56:25,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:56:25,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-07 18:56:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2019-01-07 18:56:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-07 18:56:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2019-01-07 18:56:25,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 54 transitions. [2019-01-07 18:56:25,371 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:56:25,373 INFO L225 Difference]: With dead ends: 39 [2019-01-07 18:56:25,373 INFO L226 Difference]: Without dead ends: 38 [2019-01-07 18:56:25,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-01-07 18:56:25,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-01-07 18:56:25,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 18. [2019-01-07 18:56:25,401 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:56:25,402 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 18 states. [2019-01-07 18:56:25,402 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 18 states. [2019-01-07 18:56:25,402 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 18 states. [2019-01-07 18:56:25,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:56:25,405 INFO L93 Difference]: Finished difference Result 38 states and 64 transitions. [2019-01-07 18:56:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-01-07 18:56:25,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:56:25,406 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:56:25,406 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 38 states. [2019-01-07 18:56:25,407 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 38 states. [2019-01-07 18:56:25,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:56:25,409 INFO L93 Difference]: Finished difference Result 38 states and 64 transitions. [2019-01-07 18:56:25,409 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-01-07 18:56:25,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:56:25,410 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:56:25,410 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:56:25,410 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:56:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-01-07 18:56:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 43 transitions. [2019-01-07 18:56:25,412 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 43 transitions. Word has length 3 [2019-01-07 18:56:25,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:56:25,412 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 43 transitions. [2019-01-07 18:56:25,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-07 18:56:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 43 transitions. [2019-01-07 18:56:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-07 18:56:25,413 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:56:25,413 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-07 18:56:25,413 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:56:25,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:56:25,414 INFO L82 PathProgramCache]: Analyzing trace with hash 941462, now seen corresponding path program 1 times [2019-01-07 18:56:25,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:56:25,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:56:25,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:56:25,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:56:25,415 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:56:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:56:25,631 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-07 18:56:25,814 INFO L273 TraceCheckUtils]: 0: Hoare triple {619#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5;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;#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]; {621#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p4 (+ (select |#memory_int| ULTIMATE.start_main_p4) (- 1))) ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)))} is VALID [2019-01-07 18:56:25,816 INFO L273 TraceCheckUtils]: 1: Hoare triple {621#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (= 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]; {622#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p5 (+ (select |#memory_int| ULTIMATE.start_main_p5) 1)) ULTIMATE.start_main_p1)))} is VALID [2019-01-07 18:56:25,817 INFO L273 TraceCheckUtils]: 2: Hoare triple {622#(and (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (= 0 (select (store |#memory_int| ULTIMATE.start_main_p5 (+ (select |#memory_int| ULTIMATE.start_main_p5) 1)) ULTIMATE.start_main_p1)))} #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; {623#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:56:25,818 INFO L273 TraceCheckUtils]: 3: Hoare triple {623#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {620#false} is VALID [2019-01-07 18:56:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:56:25,818 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:56:25,819 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:56:25,819 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 5 with the following transitions: [2019-01-07 18:56:25,819 INFO L207 CegarAbsIntRunner]: [0], [18], [20], [23] [2019-01-07 18:56:25,824 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 18:56:25,824 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:56:28,201 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:28,201 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:28,202 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:28,202 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:28,202 WARN L224 ngHoareTripleChecker]: Pre: {2147483603#(forall ((v_idx_610 Int) (v_idx_611 Int) (v_idx_614 Int) (v_idx_604 Int) (v_idx_612 Int) (v_idx_613 Int) (v_idx_607 Int) (v_idx_608 Int) (v_idx_605 Int) (v_idx_606 Int) (v_idx_609 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_48_4 Int) (v_v_67_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_69_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= v_v_4_4 (select |c_old(#memory_int)| v_idx_604)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_608) v_v_46_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_608)) (or (= 1 (select |c_#valid| v_idx_613)) (< v_idx_613 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_613)) (or (< v_idx_610 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_48_4 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_610))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_606) (< v_idx_606 c_ULTIMATE.start_malloc_ptr) (= (select |c_#memory_int| v_idx_606) 0)) (= (select |c_old(#valid)| v_idx_611) v_v_2_4) (or (= (select |c_#valid| v_idx_612) v_v_52_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_612)) (or (< v_idx_607 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_607) v_v_69_4)) (or (< v_idx_614 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_614) v_v_54_4)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_#memory_int| v_idx_605) v_v_67_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_605)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_609) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_609)) (< v_idx_609 c_ULTIMATE.start_malloc_ptr)))))} [2019-01-07 18:56:28,202 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:56:28,202 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:56:28,203 WARN L230 ngHoareTripleChecker]: Post: {2147483602#(forall ((v_idx_621 Int) (v_idx_622 Int) (v_idx_620 Int) (v_idx_625 Int) (v_idx_615 Int) (v_idx_623 Int) (v_idx_624 Int) (v_idx_618 Int) (v_idx_619 Int) (v_idx_616 Int) (v_idx_617 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_71_4 Int) (v_v_70_4 Int) (v_v_72_4 Int) (v_v_48_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_#valid| v_idx_625) v_v_54_4) (< v_idx_625 (+ c_ULTIMATE.start_main_p5 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_621) v_v_48_4) (< v_idx_621 (+ c_ULTIMATE.start_main_p5 1))) (or (< v_idx_617 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_617) v_v_71_4) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_617)) (or (<= c_ULTIMATE.start_main_p4 v_idx_616) (= (select |c_#memory_int| v_idx_616) v_v_70_4)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_619) v_v_46_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_619)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_620) 0) (< v_idx_620 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_620)) (= (select |c_old(#memory_int)| v_idx_615) v_v_4_4) (or (= (select |c_#valid| v_idx_623) v_v_52_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_623)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_624) (< v_idx_624 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_624))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (= (select |c_old(#valid)| v_idx_622) v_v_2_4) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_618 (+ c_ULTIMATE.start_main_p4 1)) (= (select |c_#memory_int| v_idx_618) v_v_72_4)))))} [2019-01-07 18:56:28,203 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:28,680 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:28,680 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:28,897 WARN L270 ngHoareTripleChecker]: Pre: {2147483603#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_609 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_609) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_609)) (< v_idx_609 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_613 Int)) (or (= 1 (select |#valid| v_idx_613)) (< v_idx_613 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_613))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_606 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_606) (< v_idx_606 ULTIMATE.start_malloc_ptr) (= (select |#memory_int| v_idx_606) 0))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:28,897 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:56:28,897 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:56:28,925 WARN L276 ngHoareTripleChecker]: Post: {2147483602#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_624 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_624) (< v_idx_624 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_624)))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_620 Int)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_620) 0) (< v_idx_620 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_620))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:31,275 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:31,276 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:31,276 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:31,276 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:31,276 WARN L224 ngHoareTripleChecker]: Pre: {2147483601#(forall ((v_idx_632 Int) (v_idx_633 Int) (v_idx_630 Int) (v_idx_631 Int) (v_idx_636 Int) (v_idx_626 Int) (v_idx_634 Int) (v_idx_635 Int) (v_idx_629 Int) (v_idx_627 Int) (v_idx_628 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_67_4 Int) (v_v_48_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_69_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_631 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_631) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_631))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_634) (= (select |c_#valid| v_idx_634) v_v_52_4)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_628 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_628) (= (select |c_#memory_int| v_idx_628) 0)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_630) v_v_46_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_630)) (= v_v_4_4 (select |c_old(#memory_int)| v_idx_626)) (or (< v_idx_629 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_629) v_v_69_4)) (= v_v_2_4 (select |c_old(#valid)| v_idx_633)) (or (= v_v_54_4 (select |c_#valid| v_idx_636)) (< v_idx_636 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_635 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_635) 1) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_635)) (or (= (select |c_#memory_int| v_idx_627) v_v_67_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_627)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_632) v_v_48_4) (< v_idx_632 (+ c_ULTIMATE.start_main_p5 1))))))} [2019-01-07 18:56:31,276 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:56:31,277 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:56:31,277 WARN L230 ngHoareTripleChecker]: Post: {2147483600#(forall ((v_idx_643 Int) (v_idx_644 Int) (v_idx_641 Int) (v_idx_642 Int) (v_idx_647 Int) (v_idx_637 Int) (v_idx_645 Int) (v_idx_646 Int) (v_idx_638 Int) (v_idx_639 Int) (v_idx_640 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_48_4 Int) (v_v_67_4 Int) (v_v_2_4 Int) (v_v_69_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_642)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_642) (< v_idx_642 c_ULTIMATE.start_malloc_ptr)) (or (< v_idx_640 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_640) v_v_69_4)) (or (= 1 (select |c_#valid| v_idx_646)) (< v_idx_646 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_646)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_641) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_641) v_v_46_4)) (or (< v_idx_643 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_643) v_v_48_4)) (or (= (select |c_#valid| v_idx_647) v_v_54_4) (< v_idx_647 (+ c_ULTIMATE.start_main_p5 1))) (or (= 1 (select |c_#memory_int| v_idx_639)) (< v_idx_639 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_639)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_638) (= (select |c_#memory_int| v_idx_638) v_v_67_4)) (= (select |c_old(#memory_int)| v_idx_637) v_v_4_4) (= (select |c_old(#valid)| v_idx_644) v_v_2_4) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_645) (= (select |c_#valid| v_idx_645) v_v_52_4)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:56:31,277 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:31,875 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:31,875 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:32,036 WARN L270 ngHoareTripleChecker]: Pre: {2147483601#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_631 Int)) (or (< v_idx_631 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_631) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_631)))) (forall ((v_idx_628 Int)) (or (< v_idx_628 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_628) (= (select |#memory_int| v_idx_628) 0))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_635 Int)) (or (< v_idx_635 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_635) 1) (<= (+ ULTIMATE.start_main_p5 1) v_idx_635))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:32,037 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:56:32,037 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:56:32,064 WARN L276 ngHoareTripleChecker]: Post: {2147483600#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_639 Int)) (or (= 1 (select |#memory_int| v_idx_639)) (< v_idx_639 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_639))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_646 Int)) (or (= 1 (select |#valid| v_idx_646)) (< v_idx_646 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_646))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_642 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_642)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_642) (< v_idx_642 ULTIMATE.start_malloc_ptr))))} [2019-01-07 18:56:34,746 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:34,746 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:34,746 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:34,747 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:34,747 WARN L224 ngHoareTripleChecker]: Pre: {2147483599#(forall ((v_idx_654 Int) (v_idx_655 Int) (v_idx_652 Int) (v_idx_653 Int) (v_idx_658 Int) (v_idx_648 Int) (v_idx_656 Int) (v_idx_657 Int) (v_idx_649 Int) (v_idx_650 Int) (v_idx_651 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_48_4 Int) (v_v_67_4 Int) (v_v_2_4 Int) (v_v_69_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_651 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_651) v_v_69_4)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_652) v_v_46_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_652)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_654 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_654) v_v_48_4)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_656) (= (select |c_#valid| v_idx_656) v_v_52_4)) (= (select |c_old(#memory_int)| v_idx_648) v_v_4_4) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_653) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_653) 0) (< v_idx_653 c_ULTIMATE.start_malloc_ptr)) (or (= (select |c_#memory_int| v_idx_649) v_v_67_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_649)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_658 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_658) v_v_54_4)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_650) (= (select |c_#memory_int| v_idx_650) 0) (< v_idx_650 c_ULTIMATE.start_malloc_ptr)) (= v_v_2_4 (select |c_old(#valid)| v_idx_655)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_657 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_657) 1) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_657)))))} [2019-01-07 18:56:34,747 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:56:34,747 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:56:34,747 WARN L230 ngHoareTripleChecker]: Post: {2147483598#(forall ((v_idx_665 Int) (v_idx_666 Int) (v_idx_663 Int) (v_idx_664 Int) (v_idx_669 Int) (v_idx_659 Int) (v_idx_667 Int) (v_idx_668 Int) (v_idx_661 Int) (v_idx_662 Int) (v_idx_660 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_111_4 Int) (v_v_48_4 Int) (v_v_109_4 Int) (v_v_110_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_665 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_665) v_v_48_4)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (<= (+ v_v_110_4 1) 0) (or (< v_idx_669 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_669) v_v_54_4)) (= v_v_2_4 (select |c_old(#valid)| v_idx_666)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_667) (= v_v_52_4 (select |c_#valid| v_idx_667))) (<= (- v_v_110_4 (- v_v_110_4)) (- 2)) (or (<= c_ULTIMATE.start_main_p1 v_idx_660) (= (select |c_#memory_int| v_idx_660) v_v_109_4)) (or (= 1 (select |c_#valid| v_idx_668)) (< v_idx_668 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_668)) (= v_v_4_4 (select |c_old(#memory_int)| v_idx_659)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_663) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_663) v_v_46_4)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= v_v_111_4 (select |c_#memory_int| v_idx_662)) (< v_idx_662 (+ c_ULTIMATE.start_main_p1 1))) (or (= v_v_110_4 (select |c_#memory_int| v_idx_661)) (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_661) (< v_idx_661 c_ULTIMATE.start_main_p1)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_664 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_664)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_664)))))} [2019-01-07 18:56:34,747 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:35,047 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:35,048 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:35,205 WARN L270 ngHoareTripleChecker]: Pre: {2147483599#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_657 Int)) (or (< v_idx_657 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_657) 1) (<= (+ ULTIMATE.start_main_p5 1) v_idx_657))) (forall ((v_idx_653 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_653) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_653) 0) (< v_idx_653 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (forall ((v_idx_650 Int)) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_650) (= (select |#memory_int| v_idx_650) 0) (< v_idx_650 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:35,206 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:56:35,206 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:56:35,246 WARN L276 ngHoareTripleChecker]: Post: {2147483598#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_664 Int)) (or (< v_idx_664 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_664)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_664))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_668 Int)) (or (= 1 (select |#valid| v_idx_668)) (< v_idx_668 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_668))) (forall ((v_prenex_29 Int)) (or (<= (+ (select |#memory_int| v_prenex_29) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_29) (< v_prenex_29 ULTIMATE.start_main_p1))) (forall ((v_idx_661 Int)) (or (<= (+ (* 2 (select |#memory_int| v_idx_661)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_idx_661) (< v_idx_661 ULTIMATE.start_main_p1))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:37,768 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:37,768 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:37,769 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:37,769 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:37,769 WARN L224 ngHoareTripleChecker]: Pre: {2147483597#(or (forall ((v_idx_687 Int) (v_idx_688 Int) (v_idx_685 Int) (v_idx_686 Int) (v_idx_689 Int) (v_idx_690 Int) (v_idx_691 Int) (v_idx_683 Int) (v_idx_684 Int) (v_idx_681 Int) (v_idx_682 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_71_4 Int) (v_v_70_4 Int) (v_v_72_4 Int) (v_v_48_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_684 (+ c_ULTIMATE.start_main_p4 1)) (= (select |c_#memory_int| v_idx_684) v_v_72_4)) (or (= (select |c_#valid| v_idx_691) v_v_54_4) (< v_idx_691 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (= v_v_4_4 (select |c_old(#memory_int)| v_idx_681)) (or (< v_idx_690 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_690)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_690)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_685) v_v_46_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_685)) (or (< v_idx_683 c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_683) (= (select |c_#memory_int| v_idx_683) v_v_71_4)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_689) (= (select |c_#valid| v_idx_689) v_v_52_4)) (or (= (select |c_#memory_int| v_idx_682) v_v_70_4) (<= c_ULTIMATE.start_main_p4 v_idx_682)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_687) v_v_48_4) (< v_idx_687 (+ c_ULTIMATE.start_main_p5 1))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_686) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_686)) (< v_idx_686 c_ULTIMATE.start_malloc_ptr)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_4 (select |c_old(#valid)| v_idx_688))))) (forall ((v_idx_676 Int) (v_idx_677 Int) (v_idx_674 Int) (v_idx_675 Int) (v_idx_678 Int) (v_idx_679 Int) (v_idx_680 Int) (v_idx_672 Int) (v_idx_673 Int) (v_idx_670 Int) (v_idx_671 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_48_4 Int) (v_v_67_4 Int) (v_v_2_4 Int) (v_v_69_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_672 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_672) (= (select |c_#memory_int| v_idx_672) 0)) (or (< v_idx_673 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_673) v_v_69_4)) (= v_v_2_4 (select |c_old(#valid)| v_idx_677)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (< v_idx_676 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_676) v_v_48_4)) (or (= (select |c_#memory_int| v_idx_671) v_v_67_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_671)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_674) v_v_46_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_674)) (or (< v_idx_679 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_679) (= (select |c_#valid| v_idx_679) 1)) (or (< v_idx_680 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_54_4 (select |c_#valid| v_idx_680))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_675)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_675) (< v_idx_675 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_678) (= (select |c_#valid| v_idx_678) v_v_52_4)) (= v_v_4_4 (select |c_old(#memory_int)| v_idx_670)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:56:37,769 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:56:37,769 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:56:37,770 WARN L230 ngHoareTripleChecker]: Post: {2147483596#(forall ((v_idx_698 Int) (v_idx_699 Int) (v_idx_696 Int) (v_idx_697 Int) (v_idx_702 Int) (v_idx_700 Int) (v_idx_701 Int) (v_idx_694 Int) (v_idx_695 Int) (v_idx_692 Int) (v_idx_693 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_113_4 Int) (v_v_114_4 Int) (v_v_112_4 Int) (v_v_48_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= v_v_52_4 (select |c_#valid| v_idx_700)) (<= c_ULTIMATE.start_malloc_ptr v_idx_700)) (or (<= c_ULTIMATE.start_main_p4 v_idx_693) (= v_v_112_4 (select |c_#memory_int| v_idx_693))) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_696) v_v_46_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_696)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_697)) (< v_idx_697 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_697)) (= v_v_4_4 (select |c_old(#memory_int)| v_idx_692)) (or (< v_idx_698 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_698) v_v_48_4)) (or (= (select |c_#memory_int| v_idx_695) v_v_114_4) (< v_idx_695 (+ c_ULTIMATE.start_main_p4 1))) (or (= 1 (select |c_#valid| v_idx_701)) (< v_idx_701 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_701)) (or (< v_idx_694 c_ULTIMATE.start_main_p4) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_694) (= (select |c_#memory_int| v_idx_694) v_v_113_4)) (or (< v_idx_702 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_702) v_v_54_4)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_4 (select |c_old(#valid)| v_idx_699)))))} [2019-01-07 18:56:37,770 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:38,305 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:38,306 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:46,530 WARN L181 SmtUtils]: Spent 8.22 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-07 18:56:46,530 WARN L270 ngHoareTripleChecker]: Pre: {2147483597#(or (forall ((v_idx_687 Int) (v_idx_688 Int) (v_idx_685 Int) (v_idx_686 Int) (v_idx_689 Int) (v_idx_690 Int) (v_idx_691 Int) (v_idx_683 Int) (v_idx_684 Int) (v_idx_681 Int) (v_idx_682 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_71_4 Int) (v_v_70_4 Int) (v_v_72_4 Int) (v_v_48_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_684 (+ ULTIMATE.start_main_p4 1)) (= (select |#memory_int| v_idx_684) v_v_72_4)) (or (= (select |#valid| v_idx_691) v_v_54_4) (< v_idx_691 (+ ULTIMATE.start_main_p5 1))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (= v_v_4_4 (select |old(#memory_int)| v_idx_681)) (or (< v_idx_690 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_690)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_690)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_685) v_v_46_4) (<= ULTIMATE.start_malloc_ptr v_idx_685)) (or (< v_idx_683 ULTIMATE.start_main_p4) (<= (+ ULTIMATE.start_main_p4 1) v_idx_683) (= (select |#memory_int| v_idx_683) v_v_71_4)) (or (<= ULTIMATE.start_malloc_ptr v_idx_689) (= (select |#valid| v_idx_689) v_v_52_4)) (or (= (select |#memory_int| v_idx_682) v_v_70_4) (<= ULTIMATE.start_main_p4 v_idx_682)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_687) v_v_48_4) (< v_idx_687 (+ ULTIMATE.start_main_p5 1))) (or (<= (+ ULTIMATE.start_main_p5 1) v_idx_686) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_686)) (< v_idx_686 ULTIMATE.start_malloc_ptr)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0) (= v_v_2_4 (select |old(#valid)| v_idx_688))))) (forall ((v_idx_676 Int) (v_idx_677 Int) (v_idx_674 Int) (v_idx_675 Int) (v_idx_678 Int) (v_idx_679 Int) (v_idx_680 Int) (v_idx_672 Int) (v_idx_673 Int) (v_idx_670 Int) (v_idx_671 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_48_4 Int) (v_v_67_4 Int) (v_v_2_4 Int) (v_v_69_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_672 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_672) (= (select |#memory_int| v_idx_672) 0)) (or (< v_idx_673 (+ ULTIMATE.start_main_p5 1)) (= (select |#memory_int| v_idx_673) v_v_69_4)) (= v_v_2_4 (select |old(#valid)| v_idx_677)) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (or (< v_idx_676 (+ ULTIMATE.start_main_p5 1)) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_676) v_v_48_4)) (or (= (select |#memory_int| v_idx_671) v_v_67_4) (<= ULTIMATE.start_malloc_ptr v_idx_671)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_674) v_v_46_4) (<= ULTIMATE.start_malloc_ptr v_idx_674)) (or (< v_idx_679 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_679) (= (select |#valid| v_idx_679) 1)) (or (< v_idx_680 (+ ULTIMATE.start_main_p5 1)) (= v_v_54_4 (select |#valid| v_idx_680))) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_675)) (<= (+ ULTIMATE.start_main_p5 1) v_idx_675) (< v_idx_675 ULTIMATE.start_malloc_ptr)) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (or (<= ULTIMATE.start_malloc_ptr v_idx_678) (= (select |#valid| v_idx_678) v_v_52_4)) (= v_v_4_4 (select |old(#memory_int)| v_idx_670)) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0)))))} [2019-01-07 18:56:46,530 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:56:46,531 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)))) [2019-01-07 18:56:46,558 WARN L276 ngHoareTripleChecker]: Post: {2147483596#(and (<= (- ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_701 Int)) (or (= 1 (select |#valid| v_idx_701)) (< v_idx_701 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_701))) (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p5) (<= ULTIMATE.start_main_p5 ULTIMATE.start_malloc_ptr) (forall ((v_idx_697 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_697)) (< v_idx_697 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_main_p5 1) v_idx_697))) (<= (- (- ULTIMATE.start_main_p5) (- ULTIMATE.start_malloc_ptr)) 0))} [2019-01-07 18:56:50,139 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:56:50,139 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:56:50,139 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:56:50,140 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:56:50,140 WARN L224 ngHoareTripleChecker]: Pre: {2147483595#(or (forall ((v_idx_720 Int) (v_idx_721 Int) (v_idx_724 Int) (v_idx_714 Int) (v_idx_722 Int) (v_idx_723 Int) (v_idx_717 Int) (v_idx_718 Int) (v_idx_715 Int) (v_idx_716 Int) (v_idx_719 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_70_4 Int) (v_v_71_4 Int) (v_v_72_4 Int) (v_v_48_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_719)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_719) (< v_idx_719 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= v_v_46_4 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_718)) (<= c_ULTIMATE.start_malloc_ptr v_idx_718)) (or (< v_idx_723 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_723) (= (select |c_#valid| v_idx_723) 1)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_720) v_v_48_4) (< v_idx_720 (+ c_ULTIMATE.start_main_p5 1))) (= v_v_2_4 (select |c_old(#valid)| v_idx_721)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_722) (= (select |c_#valid| v_idx_722) v_v_52_4)) (or (<= c_ULTIMATE.start_main_p4 v_idx_715) (= (select |c_#memory_int| v_idx_715) v_v_70_4)) (or (= (select |c_#valid| v_idx_724) v_v_54_4) (< v_idx_724 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (= (select |c_old(#memory_int)| v_idx_714) v_v_4_4) (or (= (select |c_#memory_int| v_idx_717) v_v_72_4) (< v_idx_717 (+ c_ULTIMATE.start_main_p4 1))) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_716) (< v_idx_716 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_716) v_v_71_4))))) (forall ((v_idx_710 Int) (v_idx_713 Int) (v_idx_703 Int) (v_idx_711 Int) (v_idx_712 Int) (v_idx_706 Int) (v_idx_707 Int) (v_idx_704 Int) (v_idx_705 Int) (v_idx_708 Int) (v_idx_709 Int)) (exists ((v_v_52_4 Int) (v_v_54_4 Int) (v_v_48_4 Int) (v_v_67_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_69_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (= v_v_2_4 (select |c_old(#valid)| v_idx_710)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_707) v_v_46_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_707)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= (select |c_#valid| v_idx_711) v_v_52_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_711)) (= (select |c_old(#memory_int)| v_idx_703) v_v_4_4) (or (= (select |c_#valid| v_idx_713) v_v_54_4) (< v_idx_713 (+ c_ULTIMATE.start_main_p5 1))) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_706 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#memory_int| v_idx_706) v_v_69_4)) (or (< v_idx_709 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_709) v_v_48_4)) (or (< v_idx_712 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_712)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_712)) (or (< v_idx_708 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_708)) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_708)) (or (= (select |c_#memory_int| v_idx_704) v_v_67_4) (<= c_ULTIMATE.start_malloc_ptr v_idx_704)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (< v_idx_705 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_705) (= (select |c_#memory_int| v_idx_705) 0))))))} [2019-01-07 18:56:50,140 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 18:56:50,140 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 18:56:50,140 WARN L230 ngHoareTripleChecker]: Post: {2147483594#(forall ((v_idx_731 Int) (v_idx_732 Int) (v_idx_730 Int) (v_idx_735 Int) (v_idx_725 Int) (v_idx_733 Int) (v_idx_734 Int) (v_idx_728 Int) (v_idx_729 Int) (v_idx_726 Int) (v_idx_727 Int)) (exists ((v_v_52_4 Int) (v_v_160_4 Int) (v_v_54_4 Int) (v_v_161_4 Int) (v_v_159_4 Int) (v_v_48_4 Int) (v_v_2_4 Int) (v_v_46_4 Int) (v_v_4_4 Int)) (and (<= (- c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_735 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_#valid| v_idx_735) v_v_54_4)) (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p5) (or (= v_v_46_4 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_729)) (<= c_ULTIMATE.start_malloc_ptr v_idx_729)) (= v_v_2_4 (select |c_old(#valid)| v_idx_732)) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_734) (< v_idx_734 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_734))) (or (< v_idx_731 (+ c_ULTIMATE.start_main_p5 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_731) v_v_48_4)) (= (select |c_old(#memory_int)| v_idx_725) v_v_4_4) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_730) (< v_idx_730 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_730))) (or (< v_idx_728 (+ c_ULTIMATE.start_main_p5 1)) (= v_v_161_4 (select |c_#memory_int| v_idx_728))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_733) (= v_v_52_4 (select |c_#valid| v_idx_733))) (or (<= (+ c_ULTIMATE.start_main_p5 1) v_idx_727) (= (select |c_#memory_int| v_idx_727) v_v_160_4) (< v_idx_727 c_ULTIMATE.start_malloc_ptr)) (<= c_ULTIMATE.start_main_p5 c_ULTIMATE.start_malloc_ptr) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_726) (= (select |c_#memory_int| v_idx_726) v_v_159_4)) (<= (- (- c_ULTIMATE.start_main_p5) (- c_ULTIMATE.start_malloc_ptr)) 0))))} [2019-01-07 18:56:50,140 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:56:50,692 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:56:50,692 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:56:53,605 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-07 18:56:53,606 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:152) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.toStringSimplified(DebuggingHoareTripleChecker.java:313) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.logUnsoundness(DebuggingHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.checkValidity(DebuggingHoareTripleChecker.java:192) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.checkValidity(DebuggingHoareTripleChecker.java:179) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.DebuggingHoareTripleChecker.checkInternal(DebuggingHoareTripleChecker.java:139) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RcfgDebugHelper.isPostSound(RcfgDebugHelper.java:80) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RcfgDebugHelper.isPostSound(RcfgDebugHelper.java:62) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.rcfg.RcfgDebugHelper.isPostSound(RcfgDebugHelper.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.assertIsPostSound(FixpointEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:254) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 50 more [2019-01-07 18:56:53,611 INFO L168 Benchmark]: Toolchain (without parser) took 248554.33 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -175.6 MB). Peak memory consumption was 836.3 MB. Max. memory is 7.1 GB. [2019-01-07 18:56:53,612 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:56:53,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:56:53,613 INFO L168 Benchmark]: Boogie Preprocessor took 43.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:56:53,613 INFO L168 Benchmark]: RCFGBuilder took 673.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-01-07 18:56:53,614 INFO L168 Benchmark]: TraceAbstraction took 247760.60 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -207.3 MB). Peak memory consumption was 804.6 MB. Max. memory is 7.1 GB. [2019-01-07 18:56:53,617 INFO L336 ainManager$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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 673.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 247760.60 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -207.3 MB). Peak memory consumption was 804.6 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...