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-10-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 18:50:53,821 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 18:50:53,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 18:50:53,839 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 18:50:53,840 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 18:50:53,841 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 18:50:53,842 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 18:50:53,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 18:50:53,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 18:50:53,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 18:50:53,853 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-07 18:50:53,853 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-07 18:50:53,855 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-07 18:50:53,858 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-07 18:50:53,860 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-07 18:50:53,862 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-07 18:50:53,862 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-07 18:50:53,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-07 18:50:53,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-07 18:50:53,874 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-07 18:50:53,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-07 18:50:53,877 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-07 18:50:53,879 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-01-07 18:50:53,892 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 18:50:53,908 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 18:50:53,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 18:50:53,909 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 18:50:53,909 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 18:50:53,910 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 18:50:53,910 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 18:50:53,910 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 18:50:53,910 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 18:50:53,910 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 18:50:53,911 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-07 18:50:53,911 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 18:50:53,911 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 18:50:53,911 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 18:50:53,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 18:50:53,912 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 18:50:53,912 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 18:50:53,912 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 18:50:53,913 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 18:50:53,913 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 18:50:53,913 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 18:50:53,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 18:50:53,913 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 18:50:53,913 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 18:50:53,914 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 18:50:53,914 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 18:50:53,914 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 18:50:53,914 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 18:50:53,914 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 18:50:53,915 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 18:50:53,915 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 18:50:53,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 18:50:53,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 18:50:53,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 18:50:53,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 18:50:53,917 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 18:50:53,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 18:50:53,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 18:50:53,918 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 18:50:53,918 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 18:50:53,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 18:50:53,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 18:50:53,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 18:50:53,997 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 18:50:53,997 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 18:50:53,998 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-unlimited.bpl [2019-01-07 18:50:53,999 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-unlimited.bpl' [2019-01-07 18:50:54,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 18:50:54,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 18:50:54,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 18:50:54,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 18:50:54,069 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 18:50:54,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/1) ... [2019-01-07 18:50:54,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/1) ... [2019-01-07 18:50:54,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 18:50:54,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 18:50:54,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 18:50:54,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 18:50:54,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/1) ... [2019-01-07 18:50:54,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/1) ... [2019-01-07 18:50:54,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/1) ... [2019-01-07 18:50:54,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/1) ... [2019-01-07 18:50:54,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/1) ... [2019-01-07 18:50:54,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/1) ... [2019-01-07 18:50:54,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/1) ... [2019-01-07 18:50:54,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 18:50:54,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 18:50:54,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 18:50:54,197 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 18:50:54,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (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 18:50:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 18:50:54,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 18:50:55,766 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 18:50:55,766 INFO L286 CfgBuilder]: Removed 23 assue(true) statements. [2019-01-07 18:50:55,768 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 06:50:55 BoogieIcfgContainer [2019-01-07 18:50:55,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 18:50:55,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-07 18:50:55,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-07 18:50:55,772 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-07 18:50:55,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:50:54" (1/2) ... [2019-01-07 18:50:55,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3aabb1 and model type speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 06:50:55, skipping insertion in model container [2019-01-07 18:50:55,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 06:50:55" (2/2) ... [2019-01-07 18:50:55,776 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-10-unlimited.bpl [2019-01-07 18:50:55,784 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-07 18:50:55,792 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2019-01-07 18:50:55,808 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2019-01-07 18:50:55,840 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-07 18:50:55,840 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-07 18:50:55,840 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-07 18:50:55,840 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-07 18:50:55,841 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-07 18:50:55,841 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-07 18:50:55,841 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-07 18:50:55,841 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-07 18:50:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-01-07 18:50:55,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-01-07 18:50:55,864 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:50:55,865 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-01-07 18:50:55,869 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr9ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:50:55,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:50:55,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1004, now seen corresponding path program 1 times [2019-01-07 18:50:55,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:50:55,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:50:55,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:50:55,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:50:55,930 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:50:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:50:56,238 INFO L273 TraceCheckUtils]: 0: Hoare triple {26#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8, main_p9, main_p10;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p5 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p6 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p7 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p8 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p9 := malloc_ptr;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_p10 := malloc_ptr;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0];#memory_int := #memory_int[main_p9 := 0];#memory_int := #memory_int[main_p10 := 0]; {28#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:50:56,256 INFO L273 TraceCheckUtils]: 1: Hoare triple {28#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {27#false} is VALID [2019-01-07 18:50:56,259 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 18:50:56,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 18:50:56,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-07 18:50:56,262 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 18:50:56,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 18:50:56,270 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:50:56,274 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-07 18:50:56,306 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 18:50:56,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 18:50:56,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 18:50:56,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 18:50:56,320 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2019-01-07 18:50:56,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:50:56,884 INFO L93 Difference]: Finished difference Result 45 states and 63 transitions. [2019-01-07 18:50:56,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 18:50:56,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-01-07 18:50:56,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:50:56,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:50:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2019-01-07 18:50:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:50:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2019-01-07 18:50:56,898 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 63 transitions. [2019-01-07 18:50:57,331 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:50:57,346 INFO L225 Difference]: With dead ends: 45 [2019-01-07 18:50:57,347 INFO L226 Difference]: Without dead ends: 40 [2019-01-07 18:50:57,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 18:50:57,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-01-07 18:50:57,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 22. [2019-01-07 18:50:57,429 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:50:57,430 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 22 states. [2019-01-07 18:50:57,431 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 22 states. [2019-01-07 18:50:57,431 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 22 states. [2019-01-07 18:50:57,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:50:57,441 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions. [2019-01-07 18:50:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2019-01-07 18:50:57,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:50:57,444 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:50:57,444 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 40 states. [2019-01-07 18:50:57,444 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 40 states. [2019-01-07 18:50:57,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:50:57,457 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions. [2019-01-07 18:50:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2019-01-07 18:50:57,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:50:57,458 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:50:57,458 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:50:57,459 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:50:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-07 18:50:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 41 transitions. [2019-01-07 18:50:57,464 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 41 transitions. Word has length 2 [2019-01-07 18:50:57,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:50:57,464 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 41 transitions. [2019-01-07 18:50:57,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 18:50:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2019-01-07 18:50:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-07 18:50:57,465 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:50:57,465 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-07 18:50:57,466 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr9ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:50:57,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:50:57,467 INFO L82 PathProgramCache]: Analyzing trace with hash 30392, now seen corresponding path program 1 times [2019-01-07 18:50:57,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:50:57,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:50:57,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:50:57,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:50:57,470 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:50:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:50:57,945 INFO L273 TraceCheckUtils]: 0: Hoare triple {182#true} havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8, main_p9, main_p10;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p5 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p6 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p7 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p8 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p9 := malloc_ptr;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_p10 := malloc_ptr;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0];#memory_int := #memory_int[main_p9 := 0];#memory_int := #memory_int[main_p10 := 0]; {184#(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 18:50:57,955 INFO L273 TraceCheckUtils]: 1: Hoare triple {184#(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]; {185#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} is VALID [2019-01-07 18:50:57,969 INFO L273 TraceCheckUtils]: 2: Hoare triple {185#(= (select |#memory_int| ULTIMATE.start_main_p1) 0)} assume !(#memory_int[main_p1] >= 0); {183#false} is VALID [2019-01-07 18:50:57,970 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 18:50:57,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:50:57,970 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:50:57,971 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 4 with the following transitions: [2019-01-07 18:50:57,973 INFO L207 CegarAbsIntRunner]: [0], [18], [43] [2019-01-07 18:50:58,050 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-07 18:50:58,051 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:51:02,837 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:51:02,837 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:51:02,838 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:51:02,840 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:51:02,840 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_98_1 Int) (v_v_102_1 Int) (v_v_96_1 Int) (v_v_104_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_134_1 Int) (v_v_132_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (or (= 0 (select |c_#memory_int| v_idx_19)) (< v_idx_19 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_19)) (or (= v_v_132_1 (select |c_#memory_int| v_idx_18)) (<= c_ULTIMATE.start_malloc_ptr v_idx_18)) (or (< v_idx_23 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_23) v_v_98_1)) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_21) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_21) v_v_96_1)) (or (= (select |c_#memory_int| v_idx_20) v_v_134_1) (< v_idx_20 (+ c_ULTIMATE.start_malloc_ptr 1))) (= v_v_2_1 (select |c_old(#valid)| v_idx_24)) (or (= (select |c_#valid| v_idx_27) v_v_104_1) (< v_idx_27 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_22)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_22) (< v_idx_22 c_ULTIMATE.start_malloc_ptr)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_26) (< v_idx_26 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_26) 1)) (or (= (select |c_#valid| v_idx_25) v_v_102_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_25)) (= (select |c_old(#memory_int)| v_idx_17) v_v_4_1) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr))))} [2019-01-07 18:51:02,840 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:51:02,841 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 18:51:02,842 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_98_1 Int) (v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_2_1 Int) (v_v_137_1 Int) (v_v_136_1 Int) (v_v_135_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (or (<= c_ULTIMATE.start_main_p4 v_idx_29) (= (select |c_#memory_int| v_idx_29) v_v_135_1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_35)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_37) (= (select |c_#valid| v_idx_37) 1) (< v_idx_37 c_ULTIMATE.start_malloc_ptr)) (= (select |c_old(#memory_int)| v_idx_28) v_v_4_1) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_31) v_v_137_1) (< v_idx_31 (+ c_ULTIMATE.start_main_p4 1))) (or (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_30) (< v_idx_30 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_30) v_v_136_1)) (or (= v_v_104_1 (select |c_#valid| v_idx_38)) (< v_idx_38 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_36) (= v_v_102_1 (select |c_#valid| v_idx_36))) (or (= v_v_98_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_34)) (< v_idx_34 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_32) v_v_96_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_32)) (or (< v_idx_33 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_33) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_33))) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr))))} [2019-01-07 18:51:02,842 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:51:03,192 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:51:03,192 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:51:03,388 WARN L270 ngHoareTripleChecker]: Pre: {2147483645#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (forall ((v_idx_26 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_26) (< v_idx_26 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_26) 1))) (forall ((v_idx_22 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_22)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_22) (< v_idx_22 ULTIMATE.start_malloc_ptr))) (<= (- ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_19 Int)) (or (= 0 (select |#memory_int| v_idx_19)) (< v_idx_19 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_19))) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr))} [2019-01-07 18:51:03,388 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:51:03,389 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 18:51:03,629 WARN L276 ngHoareTripleChecker]: Post: {2147483644#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (forall ((v_idx_33 Int)) (or (< v_idx_33 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_33) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_33)))) (<= (- ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_37 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_37) (= (select |#valid| v_idx_37) 1) (< v_idx_37 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr))} [2019-01-07 18:51:07,378 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:51:07,379 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:51:07,379 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:51:07,380 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:51:07,380 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_98_1 Int) (v_v_102_1 Int) (v_v_96_1 Int) (v_v_104_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_134_1 Int) (v_v_132_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_39)) (or (= 0 (select |c_#memory_int| v_idx_41)) (< v_idx_41 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_41)) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_45) v_v_98_1) (< v_idx_45 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_43) v_v_96_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_43)) (= v_v_2_1 (select |c_old(#valid)| v_idx_46)) (or (= v_v_102_1 (select |c_#valid| v_idx_47)) (<= c_ULTIMATE.start_malloc_ptr v_idx_47)) (or (< v_idx_44 c_ULTIMATE.start_malloc_ptr) (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_44)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_44)) (or (= v_v_132_1 (select |c_#memory_int| v_idx_40)) (<= c_ULTIMATE.start_malloc_ptr v_idx_40)) (or (= v_v_134_1 (select |c_#memory_int| v_idx_42)) (< v_idx_42 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_48 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_48) (= 1 (select |c_#valid| v_idx_48))) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) (or (< v_idx_49 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_104_1 (select |c_#valid| v_idx_49))))))} [2019-01-07 18:51:07,381 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:51:07,381 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:51:07,381 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_98_1 Int) (v_v_102_1 Int) (v_v_151_1 Int) (v_v_150_1 Int) (v_v_96_1 Int) (v_v_104_1 Int) (v_v_149_1 Int) (v_v_2_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (<= (- v_v_150_1 (- v_v_150_1)) (- 2)) (= v_v_2_1 (select |c_old(#valid)| v_idx_57)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_55)) (< v_idx_55 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_55)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_58) (= v_v_102_1 (select |c_#valid| v_idx_58))) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_59 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_59)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_59)) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_96_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_54)) (<= c_ULTIMATE.start_malloc_ptr v_idx_54)) (= (select |c_old(#memory_int)| v_idx_50) v_v_4_1) (<= (+ v_v_150_1 1) 0) (or (= (select |c_#memory_int| v_idx_51) v_v_149_1) (<= c_ULTIMATE.start_main_p1 v_idx_51)) (or (= v_v_98_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_56)) (< v_idx_56 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_52) (= v_v_150_1 (select |c_#memory_int| v_idx_52)) (< v_idx_52 c_ULTIMATE.start_main_p1)) (or (= v_v_104_1 (select |c_#valid| v_idx_60)) (< v_idx_60 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= (select |c_#memory_int| v_idx_53) v_v_151_1) (< v_idx_53 (+ c_ULTIMATE.start_main_p1 1))) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr))))} [2019-01-07 18:51:07,382 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:51:08,100 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:51:08,100 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:51:08,445 WARN L270 ngHoareTripleChecker]: Pre: {2147483643#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (forall ((v_idx_48 Int)) (or (< v_idx_48 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_48) (= 1 (select |#valid| v_idx_48)))) (<= (- ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_41 Int)) (or (= 0 (select |#memory_int| v_idx_41)) (< v_idx_41 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_41))) (forall ((v_idx_44 Int)) (or (< v_idx_44 ULTIMATE.start_malloc_ptr) (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_44)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_44))) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr))} [2019-01-07 18:51:08,446 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:51:08,446 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:51:08,514 WARN L276 ngHoareTripleChecker]: Post: {2147483642#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (forall ((v_prenex_1 Int)) (or (<= (+ (* 2 (select |#memory_int| v_prenex_1)) 2) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_1) (< v_prenex_1 ULTIMATE.start_main_p1))) (<= (- ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr) 0) (forall ((v_idx_52 Int)) (or (<= (+ ULTIMATE.start_main_p1 1) v_idx_52) (<= (+ (select |#memory_int| v_idx_52) 1) 0) (< v_idx_52 ULTIMATE.start_main_p1))) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_55 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_55)) (< v_idx_55 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_55))) (forall ((v_idx_59 Int)) (or (< v_idx_59 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_59)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_59))) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr))} [2019-01-07 18:51:11,561 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:51:11,561 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:51:11,562 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:51:11,562 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:51:11,563 WARN L224 ngHoareTripleChecker]: Pre: {2147483641#(or (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_98_1 Int) (v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_2_1 Int) (v_v_137_1 Int) (v_v_136_1 Int) (v_v_135_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (or (= (select |c_#valid| v_idx_82) v_v_104_1) (< v_idx_82 (+ c_ULTIMATE.start_malloc_ptr 1))) (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_136_1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_79)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_77) (< v_idx_77 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_main_p4 v_idx_73) (= (select |c_#memory_int| v_idx_73) v_v_135_1)) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_81 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_81) (= (select |c_#valid| v_idx_81) 1)) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_76) v_v_96_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_76)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_72)) (or (= (select |c_#memory_int| v_idx_75) v_v_137_1) (< v_idx_75 (+ c_ULTIMATE.start_main_p4 1))) (or (< v_idx_78 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_98_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_78))) (or (= (select |c_#valid| v_idx_80) v_v_102_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_80)) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr)))) (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_98_1 Int) (v_v_102_1 Int) (v_v_96_1 Int) (v_v_104_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_134_1 Int) (v_v_132_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (or (= v_v_102_1 (select |c_#valid| v_idx_69)) (<= c_ULTIMATE.start_malloc_ptr v_idx_69)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_62) (= v_v_132_1 (select |c_#memory_int| v_idx_62))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_65) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_65) v_v_96_1)) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_66) (< v_idx_66 c_ULTIMATE.start_malloc_ptr) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_66) 0)) (or (= v_v_134_1 (select |c_#memory_int| v_idx_64)) (< v_idx_64 (+ c_ULTIMATE.start_malloc_ptr 1))) (= v_v_2_1 (select |c_old(#valid)| v_idx_68)) (or (= v_v_98_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_67)) (< v_idx_67 (+ c_ULTIMATE.start_malloc_ptr 1))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_61)) (or (= (select |c_#valid| v_idx_71) v_v_104_1) (< v_idx_71 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_63 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_63) (= (select |c_#memory_int| v_idx_63) 0)) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_70) (< v_idx_70 c_ULTIMATE.start_malloc_ptr) (= (select |c_#valid| v_idx_70) 1)) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr)))))} [2019-01-07 18:51:11,563 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:51:11,563 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 18:51:11,564 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_153_1 Int) (v_v_98_1 Int) (v_v_152_1 Int) (v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_154_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (or (= v_v_153_1 (select |c_#memory_int| v_idx_85)) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_85) (< v_idx_85 c_ULTIMATE.start_main_p4)) (or (< v_idx_86 (+ c_ULTIMATE.start_main_p4 1)) (= v_v_154_1 (select |c_#memory_int| v_idx_86))) (or (< v_idx_89 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_98_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_89))) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (<= c_ULTIMATE.start_main_p4 v_idx_84) (= v_v_152_1 (select |c_#memory_int| v_idx_84))) (or (= v_v_104_1 (select |c_#valid| v_idx_93)) (< v_idx_93 (+ c_ULTIMATE.start_malloc_ptr 1))) (= (select |c_old(#valid)| v_idx_90) v_v_2_1) (or (= (select |c_#valid| v_idx_92) 1) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_92) (< v_idx_92 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_87) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_87) v_v_96_1)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_88)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_88) (< v_idx_88 c_ULTIMATE.start_malloc_ptr)) (= (select |c_old(#memory_int)| v_idx_83) v_v_4_1) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) (or (= v_v_102_1 (select |c_#valid| v_idx_91)) (<= c_ULTIMATE.start_malloc_ptr v_idx_91)))))} [2019-01-07 18:51:11,564 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:51:11,941 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:51:11,941 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:51:19,712 WARN L181 SmtUtils]: Spent 7.77 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-07 18:51:19,713 WARN L270 ngHoareTripleChecker]: Pre: {2147483641#(or (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_98_1 Int) (v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_2_1 Int) (v_v_137_1 Int) (v_v_136_1 Int) (v_v_135_1 Int) (v_v_4_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (or (= (select |#valid| v_idx_82) v_v_104_1) (< v_idx_82 (+ ULTIMATE.start_malloc_ptr 1))) (or (<= (+ ULTIMATE.start_main_p4 1) v_idx_74) (< v_idx_74 ULTIMATE.start_main_p4) (= (select |#memory_int| v_idx_74) v_v_136_1)) (= v_v_2_1 (select |old(#valid)| v_idx_79)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_77) 0) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_77) (< v_idx_77 ULTIMATE.start_malloc_ptr)) (or (<= ULTIMATE.start_main_p4 v_idx_73) (= (select |#memory_int| v_idx_73) v_v_135_1)) (<= (- ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr) 0) (or (< v_idx_81 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_81) (= (select |#valid| v_idx_81) 1)) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_76) v_v_96_1) (<= ULTIMATE.start_malloc_ptr v_idx_76)) (= v_v_4_1 (select |old(#memory_int)| v_idx_72)) (or (= (select |#memory_int| v_idx_75) v_v_137_1) (< v_idx_75 (+ ULTIMATE.start_main_p4 1))) (or (< v_idx_78 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_98_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_78))) (or (= (select |#valid| v_idx_80) v_v_102_1) (<= ULTIMATE.start_malloc_ptr v_idx_80)) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr)))) (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_98_1 Int) (v_v_102_1 Int) (v_v_96_1 Int) (v_v_104_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_134_1 Int) (v_v_132_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (or (= v_v_102_1 (select |#valid| v_idx_69)) (<= ULTIMATE.start_malloc_ptr v_idx_69)) (or (<= ULTIMATE.start_malloc_ptr v_idx_62) (= v_v_132_1 (select |#memory_int| v_idx_62))) (or (<= ULTIMATE.start_malloc_ptr v_idx_65) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_65) v_v_96_1)) (<= (- ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_66) (< v_idx_66 ULTIMATE.start_malloc_ptr) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_66) 0)) (or (= v_v_134_1 (select |#memory_int| v_idx_64)) (< v_idx_64 (+ ULTIMATE.start_malloc_ptr 1))) (= v_v_2_1 (select |old(#valid)| v_idx_68)) (or (= v_v_98_1 (select |ULTIMATE.start_malloc_old_#valid| v_idx_67)) (< v_idx_67 (+ ULTIMATE.start_malloc_ptr 1))) (= v_v_4_1 (select |old(#memory_int)| v_idx_61)) (or (= (select |#valid| v_idx_71) v_v_104_1) (< v_idx_71 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_63 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_63) (= (select |#memory_int| v_idx_63) 0)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_70) (< v_idx_70 ULTIMATE.start_malloc_ptr) (= (select |#valid| v_idx_70) 1)) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr)))))} [2019-01-07 18:51:19,713 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p4 := #memory_int[main_p4] - 1]; [2019-01-07 18:51:19,713 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p4 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p4) (- 1)))) [2019-01-07 18:51:19,758 WARN L276 ngHoareTripleChecker]: Post: {2147483640#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (<= (- ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (forall ((v_idx_92 Int)) (or (= (select |#valid| v_idx_92) 1) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_92) (< v_idx_92 ULTIMATE.start_malloc_ptr))) (forall ((v_idx_88 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_88)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_88) (< v_idx_88 ULTIMATE.start_malloc_ptr))) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr))} [2019-01-07 18:51:23,602 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 18:51:23,602 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 18:51:23,603 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 18:51:23,603 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 18:51:23,603 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_98_1 Int) (v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_134_1 Int) (v_v_132_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (= (select |c_old(#valid)| v_idx_101) v_v_2_1) (or (< v_idx_103 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_103)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_103)) (or (< v_idx_104 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_104_1 (select |c_#valid| v_idx_104))) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_134_1 (select |c_#memory_int| v_idx_97)) (< v_idx_97 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_100) v_v_98_1) (< v_idx_100 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_96 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_96) (= (select |c_#memory_int| v_idx_96) 0)) (or (= v_v_132_1 (select |c_#memory_int| v_idx_95)) (<= c_ULTIMATE.start_malloc_ptr v_idx_95)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_98) v_v_96_1) (<= c_ULTIMATE.start_malloc_ptr v_idx_98)) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_99)) (< v_idx_99 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_99)) (= (select |c_old(#memory_int)| v_idx_94) v_v_4_1) (or (= v_v_102_1 (select |c_#valid| v_idx_102)) (<= c_ULTIMATE.start_malloc_ptr v_idx_102)) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr)))) (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_98_1 Int) (v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_137_1 Int) (v_v_2_1 Int) (v_v_136_1 Int) (v_v_135_1 Int) (v_v_4_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (or (< v_idx_115 (+ c_ULTIMATE.start_malloc_ptr 1)) (= v_v_104_1 (select |c_#valid| v_idx_115))) (or (< v_idx_114 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_114)) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_114)) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_111) v_v_98_1) (< v_idx_111 (+ c_ULTIMATE.start_malloc_ptr 1))) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_110) 0) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_110) (< v_idx_110 c_ULTIMATE.start_malloc_ptr)) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_109) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_109) v_v_96_1)) (or (= (select |c_#memory_int| v_idx_108) v_v_137_1) (< v_idx_108 (+ c_ULTIMATE.start_main_p4 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_113) (= v_v_102_1 (select |c_#valid| v_idx_113))) (or (= (select |c_#memory_int| v_idx_106) v_v_135_1) (<= c_ULTIMATE.start_main_p4 v_idx_106)) (or (< v_idx_107 c_ULTIMATE.start_main_p4) (= (select |c_#memory_int| v_idx_107) v_v_136_1) (<= (+ c_ULTIMATE.start_main_p4 1) v_idx_107)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_105)) (= v_v_2_1 (select |c_old(#valid)| v_idx_112)) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr)))))} [2019-01-07 18:51:23,604 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:51:23,604 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:51:23,604 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_98_1 Int) (v_v_197_1 Int) (v_v_102_1 Int) (v_v_196_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_198_1 Int)) (and (<= c_ULTIMATE.start_malloc_ptr c_ULTIMATE.start_main_p10) (<= (- v_v_197_1 (- v_v_197_1)) (- 2)) (= (select |c_old(#valid)| v_idx_123) v_v_2_1) (or (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_125) (< v_idx_125 c_ULTIMATE.start_malloc_ptr) (= 1 (select |c_#valid| v_idx_125))) (or (<= (+ c_ULTIMATE.start_main_p1 1) v_idx_118) (= (select |c_#memory_int| v_idx_118) v_v_197_1) (< v_idx_118 c_ULTIMATE.start_main_p1)) (or (= v_v_104_1 (select |c_#valid| v_idx_126)) (< v_idx_126 (+ c_ULTIMATE.start_malloc_ptr 1))) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_120) (= v_v_96_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_120))) (or (= 0 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_121)) (< v_idx_121 c_ULTIMATE.start_malloc_ptr) (<= (+ c_ULTIMATE.start_malloc_ptr 1) v_idx_121)) (<= (- c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr) 0) (<= (- (- c_ULTIMATE.start_main_p10) (- c_ULTIMATE.start_malloc_ptr)) 0) (or (= (select |c_#memory_int| v_idx_119) v_v_198_1) (< v_idx_119 (+ c_ULTIMATE.start_main_p1 1))) (or (< v_idx_122 (+ c_ULTIMATE.start_malloc_ptr 1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_122) v_v_98_1)) (<= (+ v_v_197_1 1) 0) (or (<= c_ULTIMATE.start_malloc_ptr v_idx_124) (= v_v_102_1 (select |c_#valid| v_idx_124))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_116)) (or (= (select |c_#memory_int| v_idx_117) v_v_196_1) (<= c_ULTIMATE.start_main_p1 v_idx_117)) (<= c_ULTIMATE.start_main_p10 c_ULTIMATE.start_malloc_ptr))))} [2019-01-07 18:51:23,605 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 18:51:24,122 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 18:51:24,122 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 18:51:32,048 WARN L181 SmtUtils]: Spent 7.92 s on a formula simplification that was a NOOP. DAG size: 146 [2019-01-07 18:51:32,048 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_98_1 Int) (v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_v_134_1 Int) (v_v_132_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (= (select |old(#valid)| v_idx_101) v_v_2_1) (or (< v_idx_103 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_103)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_103)) (or (< v_idx_104 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_104_1 (select |#valid| v_idx_104))) (<= (- ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (or (= v_v_134_1 (select |#memory_int| v_idx_97)) (< v_idx_97 (+ ULTIMATE.start_malloc_ptr 1))) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_100) v_v_98_1) (< v_idx_100 (+ ULTIMATE.start_malloc_ptr 1))) (or (< v_idx_96 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_96) (= (select |#memory_int| v_idx_96) 0)) (or (= v_v_132_1 (select |#memory_int| v_idx_95)) (<= ULTIMATE.start_malloc_ptr v_idx_95)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_98) v_v_96_1) (<= ULTIMATE.start_malloc_ptr v_idx_98)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_99)) (< v_idx_99 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_99)) (= (select |old(#memory_int)| v_idx_94) v_v_4_1) (or (= v_v_102_1 (select |#valid| v_idx_102)) (<= ULTIMATE.start_malloc_ptr v_idx_102)) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr)))) (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_98_1 Int) (v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_137_1 Int) (v_v_2_1 Int) (v_v_136_1 Int) (v_v_135_1 Int) (v_v_4_1 Int)) (and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (or (< v_idx_115 (+ ULTIMATE.start_malloc_ptr 1)) (= v_v_104_1 (select |#valid| v_idx_115))) (or (< v_idx_114 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_114)) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_114)) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_111) v_v_98_1) (< v_idx_111 (+ ULTIMATE.start_malloc_ptr 1))) (<= (- ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr) 0) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (or (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_110) 0) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_110) (< v_idx_110 ULTIMATE.start_malloc_ptr)) (or (<= ULTIMATE.start_malloc_ptr v_idx_109) (= (select |ULTIMATE.start_malloc_old_#valid| v_idx_109) v_v_96_1)) (or (= (select |#memory_int| v_idx_108) v_v_137_1) (< v_idx_108 (+ ULTIMATE.start_main_p4 1))) (or (<= ULTIMATE.start_malloc_ptr v_idx_113) (= v_v_102_1 (select |#valid| v_idx_113))) (or (= (select |#memory_int| v_idx_106) v_v_135_1) (<= ULTIMATE.start_main_p4 v_idx_106)) (or (< v_idx_107 ULTIMATE.start_main_p4) (= (select |#memory_int| v_idx_107) v_v_136_1) (<= (+ ULTIMATE.start_main_p4 1) v_idx_107)) (= v_v_4_1 (select |old(#memory_int)| v_idx_105)) (= v_v_2_1 (select |old(#valid)| v_idx_112)) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr)))))} [2019-01-07 18:51:32,048 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p1] >= 0); [2019-01-07 18:51:32,049 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= 0 (select |c_#memory_int| c_ULTIMATE.start_main_p1))) [2019-01-07 18:51:32,272 WARN L276 ngHoareTripleChecker]: Post: {2147483638#(and (<= ULTIMATE.start_malloc_ptr ULTIMATE.start_main_p10) (forall ((v_idx_121 Int)) (or (= 0 (select |ULTIMATE.start_malloc_old_#valid| v_idx_121)) (< v_idx_121 ULTIMATE.start_malloc_ptr) (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_121))) (forall ((v_idx_125 Int)) (or (<= (+ ULTIMATE.start_malloc_ptr 1) v_idx_125) (< v_idx_125 ULTIMATE.start_malloc_ptr) (= 1 (select |#valid| v_idx_125)))) (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_p10 ULTIMATE.start_malloc_ptr) 0) (forall ((v_prenex_2 Int)) (or (<= (+ (select |#memory_int| v_prenex_2) 1) 0) (<= (+ ULTIMATE.start_main_p1 1) v_prenex_2) (< v_prenex_2 ULTIMATE.start_main_p1))) (<= (- (- ULTIMATE.start_main_p10) (- ULTIMATE.start_malloc_ptr)) 0) (<= ULTIMATE.start_main_p10 ULTIMATE.start_malloc_ptr))} [2019-01-07 18:51:32,668 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 18:51:32,670 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 18:51:32,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:51:32,679 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-07 18:51:32,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:51:32,679 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 18:51:32,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:51:32,698 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:51:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:51:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:51:32,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:51:33,084 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 33 treesize of output 36 [2019-01-07 18:51:33,096 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 36 treesize of output 42 [2019-01-07 18:51:33,107 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,108 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,110 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 38 treesize of output 52 [2019-01-07 18:51:33,181 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,183 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,185 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,188 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 40 treesize of output 66 [2019-01-07 18:51:33,234 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,236 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,241 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,246 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 84 [2019-01-07 18:51:33,292 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,296 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,298 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,300 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,302 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,304 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 106 [2019-01-07 18:51:33,368 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,369 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,371 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,373 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,374 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,376 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,379 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 132 [2019-01-07 18:51:33,431 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,435 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,436 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,438 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,440 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,441 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,442 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 162 [2019-01-07 18:51:33,498 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,500 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,501 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,502 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,504 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,506 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,507 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,509 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:33,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 196 [2019-01-07 18:51:33,616 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 195 [2019-01-07 18:51:33,623 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-01-07 18:51:33,805 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:33,906 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:34,007 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:34,073 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:34,128 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:34,173 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:34,453 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:34,765 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:34,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:34,895 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:34,898 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 146 treesize of output 140 [2019-01-07 18:51:35,004 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,005 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,007 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 127 treesize of output 127 [2019-01-07 18:51:35,148 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-01-07 18:51:35,167 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,169 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,171 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,172 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,174 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 123 [2019-01-07 18:51:35,298 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,300 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,301 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,302 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,303 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,305 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,307 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 122 [2019-01-07 18:51:35,516 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,517 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,518 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,521 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,523 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,524 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,526 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,528 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 130 [2019-01-07 18:51:35,685 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-01-07 18:51:35,711 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,713 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,720 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,721 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,722 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,724 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,726 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,728 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,729 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,741 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:35,742 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 145 [2019-01-07 18:51:35,947 WARN L181 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-01-07 18:51:36,039 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,041 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,043 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,045 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,048 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,050 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,052 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,054 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,056 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,058 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,060 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,063 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,064 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 167 [2019-01-07 18:51:36,405 WARN L181 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2019-01-07 18:51:36,446 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,448 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,451 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,452 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,454 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,455 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,457 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,458 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,460 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,461 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,463 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,464 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,466 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:36,468 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 145 [2019-01-07 18:51:36,475 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-01-07 18:51:36,572 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:36,669 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:36,770 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:36,872 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:36,980 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:37,091 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:37,211 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:51:37,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-01-07 18:51:37,442 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 10 variables, input treesize:182, output treesize:195 [2019-01-07 18:51:40,204 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:51:40,204 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_52|, ULTIMATE.start_main_p2, ULTIMATE.start_main_p3, ULTIMATE.start_main_p5, ULTIMATE.start_main_p6, ULTIMATE.start_main_p7, ULTIMATE.start_main_p8, ULTIMATE.start_main_p9, ULTIMATE.start_main_p10, |v_#valid_12|]. (let ((.cse4 (store |v_#valid_12| ULTIMATE.start_main_p1 1))) (let ((.cse2 (store .cse4 ULTIMATE.start_main_p2 1))) (let ((.cse5 (store .cse2 ULTIMATE.start_main_p3 1))) (let ((.cse3 (store .cse5 ULTIMATE.start_main_p4 1))) (let ((.cse1 (store .cse3 ULTIMATE.start_main_p5 1))) (let ((.cse0 (store .cse1 ULTIMATE.start_main_p6 1))) (let ((.cse6 (store .cse0 ULTIMATE.start_main_p7 1))) (and (= (select .cse0 ULTIMATE.start_main_p7) 0) (= (select .cse1 ULTIMATE.start_main_p6) 0) (= 0 (select .cse2 ULTIMATE.start_main_p3)) (= (store (store (store (store (store (store (store (store (store (store |v_#memory_int_52| ULTIMATE.start_main_p1 0) ULTIMATE.start_main_p2 0) ULTIMATE.start_main_p3 0) ULTIMATE.start_main_p4 0) ULTIMATE.start_main_p5 0) ULTIMATE.start_main_p6 0) ULTIMATE.start_main_p7 0) ULTIMATE.start_main_p8 0) ULTIMATE.start_main_p9 0) ULTIMATE.start_main_p10 0) |#memory_int|) (= 0 (select .cse3 ULTIMATE.start_main_p5)) (= 0 (select .cse4 ULTIMATE.start_main_p2)) (= 0 (select .cse5 ULTIMATE.start_main_p4)) (= 0 (select .cse6 ULTIMATE.start_main_p8)) (= 0 (select (store .cse6 ULTIMATE.start_main_p8 1) ULTIMATE.start_main_p9)))))))))) [2019-01-07 18:51:40,205 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p9, ULTIMATE.start_main_p8, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p6, ULTIMATE.start_main_p10]. (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (= 0 (select |#memory_int| ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) 0) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (= 0 (select |#memory_int| ULTIMATE.start_main_p10)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p5)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5))) [2019-01-07 18:51:46,336 WARN L181 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2019-01-07 18:51:46,700 INFO L701 Elim1Store]: detected not equals via solver [2019-01-07 18:51:46,703 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 190 [2019-01-07 18:51:46,753 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:51:46,938 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-01-07 18:51:46,939 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:200, output treesize:158 [2019-01-07 18:51:49,286 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:51:49,287 WARN L385 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_53|, ULTIMATE.start_main_p4, ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p9, ULTIMATE.start_main_p8, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p6]. (let ((.cse0 (select |v_#memory_int_53| ULTIMATE.start_main_p4))) (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= (select |v_#memory_int_53| ULTIMATE.start_main_p6) 0) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (= (select |v_#memory_int_53| ULTIMATE.start_main_p1) 0) (= (select |v_#memory_int_53| ULTIMATE.start_main_p9) 0) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (= (select |v_#memory_int_53| ULTIMATE.start_main_p7) 0) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (= (select |v_#memory_int_53| ULTIMATE.start_main_p8) 0) (= .cse0 0) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (= (select |v_#memory_int_53| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p5 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (= (select |v_#memory_int_53| ULTIMATE.start_main_p5) 0) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (= (store |v_#memory_int_53| ULTIMATE.start_main_p4 (+ .cse0 (- 1))) |#memory_int|) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p4)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p9)) (= (select |v_#memory_int_53| ULTIMATE.start_main_p2) 0) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5)))) [2019-01-07 18:51:49,287 WARN L386 uantifierElimination]: ElimStorePlain result: ∃ [ULTIMATE.start_main_p2, ULTIMATE.start_main_p7, ULTIMATE.start_main_p9, ULTIMATE.start_main_p5, ULTIMATE.start_main_p3, ULTIMATE.start_main_p6, ULTIMATE.start_main_p8, ULTIMATE.start_main_p4]. (and (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p2)) (= 0 (select |#memory_int| ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p5)) (= (select |#memory_int| ULTIMATE.start_main_p1) 0) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p1)) (= (select |#memory_int| ULTIMATE.start_main_p4) (- 1)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p5)) (= 0 (select |#memory_int| ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p1)) (= 0 (select |#memory_int| ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p7 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p5)) (= (select |#memory_int| ULTIMATE.start_main_p3) 0) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p7)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p5)) (not (= ULTIMATE.start_main_p2 ULTIMATE.start_main_p6)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p2)) (not (= ULTIMATE.start_main_p3 ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p8 ULTIMATE.start_main_p7)) (= 0 (select |#memory_int| ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p9 ULTIMATE.start_main_p8)) (not (= ULTIMATE.start_main_p1 ULTIMATE.start_main_p9)) (not (= ULTIMATE.start_main_p6 ULTIMATE.start_main_p5))) [2019-01-07 18:51:50,783 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-07 18:51:50,985 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-07 18:51:50,986 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: 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.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.CommuhashNormalForm.transform(CommuhashNormalForm.java:87) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:331) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) 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: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 37 more [2019-01-07 18:51:50,991 INFO L168 Benchmark]: Toolchain (without parser) took 56923.77 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 959.4 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -925.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-01-07 18:51:50,992 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:51:50,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.90 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:51:50,993 INFO L168 Benchmark]: Boogie Preprocessor took 46.58 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:51:50,994 INFO L168 Benchmark]: RCFGBuilder took 1571.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-01-07 18:51:50,994 INFO L168 Benchmark]: TraceAbstraction took 55221.12 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 959.4 MB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -978.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 18:51:50,998 INFO L336 ainManager$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 0.22 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 79.90 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 46.58 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 1571.66 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55221.12 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 959.4 MB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -978.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: 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: 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.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...