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_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c30ebe1 [2018-12-17 14:12:22,267 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-17 14:12:22,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-17 14:12:22,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-17 14:12:22,288 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-17 14:12:22,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-17 14:12:22,292 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-17 14:12:22,295 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-17 14:12:22,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-17 14:12:22,305 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-17 14:12:22,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-17 14:12:22,353 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-17 14:12:22,375 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-17 14:12:22,375 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-17 14:12:22,376 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-17 14:12:22,376 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-17 14:12:22,376 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-17 14:12:22,377 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-17 14:12:22,377 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-17 14:12:22,377 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-17 14:12:22,377 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-17 14:12:22,378 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-17 14:12:22,378 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-17 14:12:22,378 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-17 14:12:22,378 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-17 14:12:22,379 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-17 14:12:22,379 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-17 14:12:22,380 INFO L133 SettingsManager]: * Use SBE=true [2018-12-17 14:12:22,380 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-17 14:12:22,380 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-17 14:12:22,380 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-17 14:12:22,381 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-17 14:12:22,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-17 14:12:22,381 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-17 14:12:22,381 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-17 14:12:22,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-17 14:12:22,382 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-17 14:12:22,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-17 14:12:22,382 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-17 14:12:22,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-17 14:12:22,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-17 14:12:22,383 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-17 14:12:22,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-17 14:12:22,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-17 14:12:22,384 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-17 14:12:22,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-17 14:12:22,384 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-17 14:12:22,385 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-17 14:12:22,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-17 14:12:22,385 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-17 14:12:22,385 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-17 14:12:22,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-17 14:12:22,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-17 14:12:22,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-17 14:12:22,450 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-17 14:12:22,451 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-17 14:12:22,452 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl [2018-12-17 14:12:22,453 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl' [2018-12-17 14:12:22,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-17 14:12:22,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-17 14:12:22,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-17 14:12:22,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-17 14:12:22,530 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-17 14:12:22,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/1) ... [2018-12-17 14:12:22,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/1) ... [2018-12-17 14:12:22,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-17 14:12:22,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-17 14:12:22,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-17 14:12:22,581 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-17 14:12:22,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/1) ... [2018-12-17 14:12:22,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/1) ... [2018-12-17 14:12:22,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/1) ... [2018-12-17 14:12:22,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/1) ... [2018-12-17 14:12:22,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/1) ... [2018-12-17 14:12:22,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/1) ... [2018-12-17 14:12:22,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/1) ... [2018-12-17 14:12:22,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-17 14:12:22,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-17 14:12:22,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-17 14:12:22,623 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-17 14:12:22,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (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 [2018-12-17 14:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-17 14:12:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-17 14:12:23,125 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-17 14:12:23,125 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-17 14:12:23,126 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:12:23 BoogieIcfgContainer [2018-12-17 14:12:23,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-17 14:12:23,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-17 14:12:23,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-17 14:12:23,131 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-17 14:12:23,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:22" (1/2) ... [2018-12-17 14:12:23,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727b7a33 and model type linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:12:23, skipping insertion in model container [2018-12-17 14:12:23,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:12:23" (2/2) ... [2018-12-17 14:12:23,134 INFO L112 eAbstractionObserver]: Analyzing ICFG linear_search.i_5.bpl [2018-12-17 14:12:23,145 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-17 14:12:23,154 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-17 14:12:23,172 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-17 14:12:23,206 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-17 14:12:23,207 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-17 14:12:23,207 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-17 14:12:23,207 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-17 14:12:23,207 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-17 14:12:23,207 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-17 14:12:23,208 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-17 14:12:23,208 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-17 14:12:23,224 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-12-17 14:12:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-17 14:12:23,230 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:23,232 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-12-17 14:12:23,234 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:23,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:23,242 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-12-17 14:12:23,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:23,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:23,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:23,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:23,305 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:24,686 WARN L180 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 16 [2018-12-17 14:12:25,048 INFO L273 TraceCheckUtils]: 0: Hoare triple {10#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE := 0;havoc main_#res;havoc main_#t~nondet3, main_#t~ret5, main_~#a~7.base, main_~#a~7.offset;~SIZE := (if main_#t~nondet3 % 4294967296 < 0 && main_#t~nondet3 % 4294967296 % 2 != 0 then main_#t~nondet3 % 4294967296 / 2 + 1 else main_#t~nondet3 % 4294967296 / 2) + 1;havoc main_#t~nondet3;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;#Ultimate.alloc_~size := ~SIZE % 4294967296 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#a~7.base, main_~#a~7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 3, main_~#a~7.base, main_~#a~7.offset + (if ~SIZE % 4294967296 < 0 && ~SIZE % 4294967296 % 2 != 0 then ~SIZE % 4294967296 / 2 + 1 else ~SIZE % 4294967296 / 2) % 4294967296 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];linear_search_#in~a.base, linear_search_#in~a.offset, linear_search_#in~n, linear_search_#in~q := main_~#a~7.base, main_~#a~7.offset, (if ~SIZE % 4294967296 % 4294967296 <= 2147483647 then ~SIZE % 4294967296 % 4294967296 else ~SIZE % 4294967296 % 4294967296 - 4294967296), 3;havoc linear_search_#res;havoc linear_search_#t~post2, linear_search_#t~mem0, linear_search_#t~short1, linear_search_~a.base, linear_search_~a.offset, linear_search_~n, linear_search_~q, linear_search_~j~5;linear_search_~a.base, linear_search_~a.offset := linear_search_#in~a.base, linear_search_#in~a.offset;linear_search_~n := linear_search_#in~n;linear_search_~q := linear_search_#in~q;linear_search_~j~5 := 0; {12#(or (and (<= ULTIMATE.start_linear_search_~j~5 0) (<= (div ~SIZE 4294967296) (div ULTIMATE.start_linear_search_~j~5 4294967296)) (< 0 ~SIZE)) (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n)))} is VALID [2018-12-17 14:12:25,058 INFO L273 TraceCheckUtils]: 1: Hoare triple {12#(or (and (<= ULTIMATE.start_linear_search_~j~5 0) (<= (div ~SIZE 4294967296) (div ULTIMATE.start_linear_search_~j~5 4294967296)) (< 0 ~SIZE)) (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n)))} linear_search_#t~short1 := linear_search_~j~5 % 4294967296 < linear_search_~n % 4294967296;assume linear_search_#t~short1;read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := linear_search_~a.base, linear_search_~a.offset + linear_search_~j~5 % 4294967296 * 4, 4;havoc read~int_#value;assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset];linear_search_#t~mem0 := read~int_#value;linear_search_#t~short1 := linear_search_#t~mem0 != linear_search_~q; {13#(<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 1) (+ (* 4294967296 (div ULTIMATE.start_linear_search_~j~5 4294967296)) ~SIZE))} is VALID [2018-12-17 14:12:25,065 INFO L273 TraceCheckUtils]: 2: Hoare triple {13#(<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 1) (+ (* 4294967296 (div ULTIMATE.start_linear_search_~j~5 4294967296)) ~SIZE))} assume !linear_search_#t~short1;havoc linear_search_#t~mem0;havoc linear_search_#t~short1;assume !(linear_search_~j~5 % 4294967296 < ~SIZE % 4294967296);linear_search_#res := 0;main_#t~ret5 := linear_search_#res;assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647;__VERIFIER_assert_#in~cond := main_#t~ret5;havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {11#false} is VALID [2018-12-17 14:12:25,066 INFO L273 TraceCheckUtils]: 3: Hoare triple {11#false} assume !false; {11#false} is VALID [2018-12-17 14:12:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:25,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-17 14:12:25,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-17 14:12:25,069 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-17 14:12:25,075 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-12-17 14:12:25,077 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:25,081 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-12-17 14:12:25,119 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:25,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-17 14:12:25,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-17 14:12:25,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-17 14:12:25,130 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-12-17 14:12:25,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:25,433 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-12-17 14:12:25,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-17 14:12:25,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-12-17 14:12:25,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-17 14:12:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2018-12-17 14:12:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-17 14:12:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2018-12-17 14:12:25,442 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 12 transitions. [2018-12-17 14:12:25,489 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:25,500 INFO L225 Difference]: With dead ends: 11 [2018-12-17 14:12:25,501 INFO L226 Difference]: Without dead ends: 7 [2018-12-17 14:12:25,504 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-17 14:12:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-12-17 14:12:25,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-12-17 14:12:25,735 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:25,736 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:25,736 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:25,737 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:25,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:25,740 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-12-17 14:12:25,740 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-17 14:12:25,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:25,741 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:25,741 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:25,742 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:25,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:25,745 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-12-17 14:12:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-17 14:12:25,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:25,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:25,746 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:25,748 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:25,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-17 14:12:25,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-12-17 14:12:25,751 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-12-17 14:12:25,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:25,752 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-12-17 14:12:25,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-17 14:12:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-17 14:12:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-17 14:12:25,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:25,753 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-12-17 14:12:25,754 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:25,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:25,754 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-12-17 14:12:25,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:25,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:25,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:25,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:25,756 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:26,637 WARN L180 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2018-12-17 14:12:26,796 INFO L273 TraceCheckUtils]: 0: Hoare triple {61#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE := 0;havoc main_#res;havoc main_#t~nondet3, main_#t~ret5, main_~#a~7.base, main_~#a~7.offset;~SIZE := (if main_#t~nondet3 % 4294967296 < 0 && main_#t~nondet3 % 4294967296 % 2 != 0 then main_#t~nondet3 % 4294967296 / 2 + 1 else main_#t~nondet3 % 4294967296 / 2) + 1;havoc main_#t~nondet3;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;#Ultimate.alloc_~size := ~SIZE % 4294967296 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#a~7.base, main_~#a~7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 3, main_~#a~7.base, main_~#a~7.offset + (if ~SIZE % 4294967296 < 0 && ~SIZE % 4294967296 % 2 != 0 then ~SIZE % 4294967296 / 2 + 1 else ~SIZE % 4294967296 / 2) % 4294967296 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];linear_search_#in~a.base, linear_search_#in~a.offset, linear_search_#in~n, linear_search_#in~q := main_~#a~7.base, main_~#a~7.offset, (if ~SIZE % 4294967296 % 4294967296 <= 2147483647 then ~SIZE % 4294967296 % 4294967296 else ~SIZE % 4294967296 % 4294967296 - 4294967296), 3;havoc linear_search_#res;havoc linear_search_#t~post2, linear_search_#t~mem0, linear_search_#t~short1, linear_search_~a.base, linear_search_~a.offset, linear_search_~n, linear_search_~q, linear_search_~j~5;linear_search_~a.base, linear_search_~a.offset := linear_search_#in~a.base, linear_search_#in~a.offset;linear_search_~n := linear_search_#in~n;linear_search_~q := linear_search_#in~q;linear_search_~j~5 := 0; {63#(or (and (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 1))) (and (<= (div ~SIZE 4294967296) 0) (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n 4294967296)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 2))))} is VALID [2018-12-17 14:12:26,798 INFO L273 TraceCheckUtils]: 1: Hoare triple {63#(or (and (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 1))) (and (<= (div ~SIZE 4294967296) 0) (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n 4294967296)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 2))))} linear_search_#t~short1 := linear_search_~j~5 % 4294967296 < linear_search_~n % 4294967296;assume linear_search_#t~short1;read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := linear_search_~a.base, linear_search_~a.offset + linear_search_~j~5 % 4294967296 * 4, 4;havoc read~int_#value;assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset];linear_search_#t~mem0 := read~int_#value;linear_search_#t~short1 := linear_search_#t~mem0 != linear_search_~q; {63#(or (and (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 1))) (and (<= (div ~SIZE 4294967296) 0) (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n 4294967296)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 2))))} is VALID [2018-12-17 14:12:26,798 INFO L273 TraceCheckUtils]: 2: Hoare triple {63#(or (and (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 1))) (and (<= (div ~SIZE 4294967296) 0) (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n 4294967296)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 2))))} assume !!linear_search_#t~short1;havoc linear_search_#t~mem0;havoc linear_search_#t~short1;linear_search_#t~post2 := linear_search_~j~5;linear_search_~j~5 := linear_search_#t~post2 + 1;havoc linear_search_#t~post2;assume !(linear_search_~j~5 % 4294967296 == 20); {63#(or (and (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 1))) (and (<= (div ~SIZE 4294967296) 0) (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n 4294967296)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 2))))} is VALID [2018-12-17 14:12:26,804 INFO L273 TraceCheckUtils]: 3: Hoare triple {63#(or (and (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 1))) (and (<= (div ~SIZE 4294967296) 0) (= ~SIZE (+ (* 4294967296 (div ~SIZE 4294967296)) ULTIMATE.start_linear_search_~n 4294967296)) (< 0 (+ (div ULTIMATE.start_linear_search_~n 4294967296) (div ~SIZE 4294967296) 2))))} linear_search_#t~short1 := linear_search_~j~5 % 4294967296 < linear_search_~n % 4294967296;assume linear_search_#t~short1;read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := linear_search_~a.base, linear_search_~a.offset + linear_search_~j~5 % 4294967296 * 4, 4;havoc read~int_#value;assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset];linear_search_#t~mem0 := read~int_#value;linear_search_#t~short1 := linear_search_#t~mem0 != linear_search_~q; {64#(<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 1) (+ (* 4294967296 (div ULTIMATE.start_linear_search_~j~5 4294967296)) ~SIZE))} is VALID [2018-12-17 14:12:26,805 INFO L273 TraceCheckUtils]: 4: Hoare triple {64#(<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 1) (+ (* 4294967296 (div ULTIMATE.start_linear_search_~j~5 4294967296)) ~SIZE))} assume !linear_search_#t~short1;havoc linear_search_#t~mem0;havoc linear_search_#t~short1;assume !(linear_search_~j~5 % 4294967296 < ~SIZE % 4294967296);linear_search_#res := 0;main_#t~ret5 := linear_search_#res;assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647;__VERIFIER_assert_#in~cond := main_#t~ret5;havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {62#false} is VALID [2018-12-17 14:12:26,806 INFO L273 TraceCheckUtils]: 5: Hoare triple {62#false} assume !false; {62#false} is VALID [2018-12-17 14:12:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-17 14:12:26,807 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:26,808 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:26,809 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 7 with the following transitions: [2018-12-17 14:12:26,811 INFO L207 CegarAbsIntRunner]: [0], [2], [6], [8], [10] [2018-12-17 14:12:26,852 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-17 14:12:26,853 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-17 14:12:27,447 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-17 14:12:27,449 INFO L272 AbstractInterpreter]: Visited 5 different actions 17 times. Merged at 4 different actions 12 times. Widened at 1 different actions 1 times. Performed 340 root evaluator evaluations with a maximum evaluation depth of 9. Performed 340 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-17 14:12:27,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:27,456 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-17 14:12:27,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:27,457 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 [2018-12-17 14:12:27,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:27,475 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:12:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:27,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:28,428 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2018-12-17 14:12:28,508 INFO L273 TraceCheckUtils]: 0: Hoare triple {61#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE := 0;havoc main_#res;havoc main_#t~nondet3, main_#t~ret5, main_~#a~7.base, main_~#a~7.offset;~SIZE := (if main_#t~nondet3 % 4294967296 < 0 && main_#t~nondet3 % 4294967296 % 2 != 0 then main_#t~nondet3 % 4294967296 / 2 + 1 else main_#t~nondet3 % 4294967296 / 2) + 1;havoc main_#t~nondet3;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;#Ultimate.alloc_~size := ~SIZE % 4294967296 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#a~7.base, main_~#a~7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 3, main_~#a~7.base, main_~#a~7.offset + (if ~SIZE % 4294967296 < 0 && ~SIZE % 4294967296 % 2 != 0 then ~SIZE % 4294967296 / 2 + 1 else ~SIZE % 4294967296 / 2) % 4294967296 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];linear_search_#in~a.base, linear_search_#in~a.offset, linear_search_#in~n, linear_search_#in~q := main_~#a~7.base, main_~#a~7.offset, (if ~SIZE % 4294967296 % 4294967296 <= 2147483647 then ~SIZE % 4294967296 % 4294967296 else ~SIZE % 4294967296 % 4294967296 - 4294967296), 3;havoc linear_search_#res;havoc linear_search_#t~post2, linear_search_#t~mem0, linear_search_#t~short1, linear_search_~a.base, linear_search_~a.offset, linear_search_~n, linear_search_~q, linear_search_~j~5;linear_search_~a.base, linear_search_~a.offset := linear_search_#in~a.base, linear_search_#in~a.offset;linear_search_~n := linear_search_#in~n;linear_search_~q := linear_search_#in~q;linear_search_~j~5 := 0; {68#(and (or (and (= (+ ULTIMATE.start_linear_search_~n 4294967296) (mod ~SIZE 4294967296)) (< 2147483647 (mod ~SIZE 4294967296))) (and (= (mod ~SIZE 4294967296) ULTIMATE.start_linear_search_~n) (<= (mod ~SIZE 4294967296) 2147483647))) (= 0 ULTIMATE.start_linear_search_~j~5))} is VALID [2018-12-17 14:12:28,521 INFO L273 TraceCheckUtils]: 1: Hoare triple {68#(and (or (and (= (+ ULTIMATE.start_linear_search_~n 4294967296) (mod ~SIZE 4294967296)) (< 2147483647 (mod ~SIZE 4294967296))) (and (= (mod ~SIZE 4294967296) ULTIMATE.start_linear_search_~n) (<= (mod ~SIZE 4294967296) 2147483647))) (= 0 ULTIMATE.start_linear_search_~j~5))} linear_search_#t~short1 := linear_search_~j~5 % 4294967296 < linear_search_~n % 4294967296;assume linear_search_#t~short1;read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := linear_search_~a.base, linear_search_~a.offset + linear_search_~j~5 % 4294967296 * 4, 4;havoc read~int_#value;assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset];linear_search_#t~mem0 := read~int_#value;linear_search_#t~short1 := linear_search_#t~mem0 != linear_search_~q; {68#(and (or (and (= (+ ULTIMATE.start_linear_search_~n 4294967296) (mod ~SIZE 4294967296)) (< 2147483647 (mod ~SIZE 4294967296))) (and (= (mod ~SIZE 4294967296) ULTIMATE.start_linear_search_~n) (<= (mod ~SIZE 4294967296) 2147483647))) (= 0 ULTIMATE.start_linear_search_~j~5))} is VALID [2018-12-17 14:12:28,534 INFO L273 TraceCheckUtils]: 2: Hoare triple {68#(and (or (and (= (+ ULTIMATE.start_linear_search_~n 4294967296) (mod ~SIZE 4294967296)) (< 2147483647 (mod ~SIZE 4294967296))) (and (= (mod ~SIZE 4294967296) ULTIMATE.start_linear_search_~n) (<= (mod ~SIZE 4294967296) 2147483647))) (= 0 ULTIMATE.start_linear_search_~j~5))} assume !!linear_search_#t~short1;havoc linear_search_#t~mem0;havoc linear_search_#t~short1;linear_search_#t~post2 := linear_search_~j~5;linear_search_~j~5 := linear_search_#t~post2 + 1;havoc linear_search_#t~post2;assume !(linear_search_~j~5 % 4294967296 == 20); {75#(and (or (and (= (+ ULTIMATE.start_linear_search_~n 4294967296) (mod ~SIZE 4294967296)) (< 2147483647 (mod ~SIZE 4294967296))) (and (= (mod ~SIZE 4294967296) ULTIMATE.start_linear_search_~n) (<= (mod ~SIZE 4294967296) 2147483647))) (= 1 ULTIMATE.start_linear_search_~j~5))} is VALID [2018-12-17 14:12:28,543 INFO L273 TraceCheckUtils]: 3: Hoare triple {75#(and (or (and (= (+ ULTIMATE.start_linear_search_~n 4294967296) (mod ~SIZE 4294967296)) (< 2147483647 (mod ~SIZE 4294967296))) (and (= (mod ~SIZE 4294967296) ULTIMATE.start_linear_search_~n) (<= (mod ~SIZE 4294967296) 2147483647))) (= 1 ULTIMATE.start_linear_search_~j~5))} linear_search_#t~short1 := linear_search_~j~5 % 4294967296 < linear_search_~n % 4294967296;assume linear_search_#t~short1;read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := linear_search_~a.base, linear_search_~a.offset + linear_search_~j~5 % 4294967296 * 4, 4;havoc read~int_#value;assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset];linear_search_#t~mem0 := read~int_#value;linear_search_#t~short1 := linear_search_#t~mem0 != linear_search_~q; {79#(and (< (mod ULTIMATE.start_linear_search_~j~5 4294967296) (mod ~SIZE 4294967296)) (= 1 ULTIMATE.start_linear_search_~j~5))} is VALID [2018-12-17 14:12:28,555 INFO L273 TraceCheckUtils]: 4: Hoare triple {79#(and (< (mod ULTIMATE.start_linear_search_~j~5 4294967296) (mod ~SIZE 4294967296)) (= 1 ULTIMATE.start_linear_search_~j~5))} assume !linear_search_#t~short1;havoc linear_search_#t~mem0;havoc linear_search_#t~short1;assume !(linear_search_~j~5 % 4294967296 < ~SIZE % 4294967296);linear_search_#res := 0;main_#t~ret5 := linear_search_#res;assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647;__VERIFIER_assert_#in~cond := main_#t~ret5;havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {62#false} is VALID [2018-12-17 14:12:28,555 INFO L273 TraceCheckUtils]: 5: Hoare triple {62#false} assume !false; {62#false} is VALID [2018-12-17 14:12:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:28,556 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:28,797 INFO L273 TraceCheckUtils]: 5: Hoare triple {62#false} assume !false; {62#false} is VALID [2018-12-17 14:12:28,798 INFO L273 TraceCheckUtils]: 4: Hoare triple {64#(<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 1) (+ (* 4294967296 (div ULTIMATE.start_linear_search_~j~5 4294967296)) ~SIZE))} assume !linear_search_#t~short1;havoc linear_search_#t~mem0;havoc linear_search_#t~short1;assume !(linear_search_~j~5 % 4294967296 < ~SIZE % 4294967296);linear_search_#res := 0;main_#t~ret5 := linear_search_#res;assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647;__VERIFIER_assert_#in~cond := main_#t~ret5;havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {62#false} is VALID [2018-12-17 14:12:28,801 INFO L273 TraceCheckUtils]: 3: Hoare triple {92#(or (<= (mod ULTIMATE.start_linear_search_~n 4294967296) (mod ULTIMATE.start_linear_search_~j~5 4294967296)) (<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 1) (+ (* 4294967296 (div ULTIMATE.start_linear_search_~j~5 4294967296)) ~SIZE)))} linear_search_#t~short1 := linear_search_~j~5 % 4294967296 < linear_search_~n % 4294967296;assume linear_search_#t~short1;read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := linear_search_~a.base, linear_search_~a.offset + linear_search_~j~5 % 4294967296 * 4, 4;havoc read~int_#value;assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset];linear_search_#t~mem0 := read~int_#value;linear_search_#t~short1 := linear_search_#t~mem0 != linear_search_~q; {64#(<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 1) (+ (* 4294967296 (div ULTIMATE.start_linear_search_~j~5 4294967296)) ~SIZE))} is VALID [2018-12-17 14:12:28,805 INFO L273 TraceCheckUtils]: 2: Hoare triple {96#(or (<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 2) (+ (* 4294967296 (div (+ ULTIMATE.start_linear_search_~j~5 1) 4294967296)) ~SIZE)) (<= (mod ULTIMATE.start_linear_search_~n 4294967296) (mod (+ ULTIMATE.start_linear_search_~j~5 1) 4294967296)))} assume !!linear_search_#t~short1;havoc linear_search_#t~mem0;havoc linear_search_#t~short1;linear_search_#t~post2 := linear_search_~j~5;linear_search_~j~5 := linear_search_#t~post2 + 1;havoc linear_search_#t~post2;assume !(linear_search_~j~5 % 4294967296 == 20); {92#(or (<= (mod ULTIMATE.start_linear_search_~n 4294967296) (mod ULTIMATE.start_linear_search_~j~5 4294967296)) (<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 1) (+ (* 4294967296 (div ULTIMATE.start_linear_search_~j~5 4294967296)) ~SIZE)))} is VALID [2018-12-17 14:12:28,806 INFO L273 TraceCheckUtils]: 1: Hoare triple {96#(or (<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 2) (+ (* 4294967296 (div (+ ULTIMATE.start_linear_search_~j~5 1) 4294967296)) ~SIZE)) (<= (mod ULTIMATE.start_linear_search_~n 4294967296) (mod (+ ULTIMATE.start_linear_search_~j~5 1) 4294967296)))} linear_search_#t~short1 := linear_search_~j~5 % 4294967296 < linear_search_~n % 4294967296;assume linear_search_#t~short1;read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := linear_search_~a.base, linear_search_~a.offset + linear_search_~j~5 % 4294967296 * 4, 4;havoc read~int_#value;assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset];linear_search_#t~mem0 := read~int_#value;linear_search_#t~short1 := linear_search_#t~mem0 != linear_search_~q; {96#(or (<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 2) (+ (* 4294967296 (div (+ ULTIMATE.start_linear_search_~j~5 1) 4294967296)) ~SIZE)) (<= (mod ULTIMATE.start_linear_search_~n 4294967296) (mod (+ ULTIMATE.start_linear_search_~j~5 1) 4294967296)))} is VALID [2018-12-17 14:12:28,811 INFO L273 TraceCheckUtils]: 0: Hoare triple {61#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE := 0;havoc main_#res;havoc main_#t~nondet3, main_#t~ret5, main_~#a~7.base, main_~#a~7.offset;~SIZE := (if main_#t~nondet3 % 4294967296 < 0 && main_#t~nondet3 % 4294967296 % 2 != 0 then main_#t~nondet3 % 4294967296 / 2 + 1 else main_#t~nondet3 % 4294967296 / 2) + 1;havoc main_#t~nondet3;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;#Ultimate.alloc_~size := ~SIZE % 4294967296 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#a~7.base, main_~#a~7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 3, main_~#a~7.base, main_~#a~7.offset + (if ~SIZE % 4294967296 < 0 && ~SIZE % 4294967296 % 2 != 0 then ~SIZE % 4294967296 / 2 + 1 else ~SIZE % 4294967296 / 2) % 4294967296 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];linear_search_#in~a.base, linear_search_#in~a.offset, linear_search_#in~n, linear_search_#in~q := main_~#a~7.base, main_~#a~7.offset, (if ~SIZE % 4294967296 % 4294967296 <= 2147483647 then ~SIZE % 4294967296 % 4294967296 else ~SIZE % 4294967296 % 4294967296 - 4294967296), 3;havoc linear_search_#res;havoc linear_search_#t~post2, linear_search_#t~mem0, linear_search_#t~short1, linear_search_~a.base, linear_search_~a.offset, linear_search_~n, linear_search_~q, linear_search_~j~5;linear_search_~a.base, linear_search_~a.offset := linear_search_#in~a.base, linear_search_#in~a.offset;linear_search_~n := linear_search_#in~n;linear_search_~q := linear_search_#in~q;linear_search_~j~5 := 0; {96#(or (<= (+ ULTIMATE.start_linear_search_~j~5 (* 4294967296 (div ~SIZE 4294967296)) 2) (+ (* 4294967296 (div (+ ULTIMATE.start_linear_search_~j~5 1) 4294967296)) ~SIZE)) (<= (mod ULTIMATE.start_linear_search_~n 4294967296) (mod (+ ULTIMATE.start_linear_search_~j~5 1) 4294967296)))} is VALID [2018-12-17 14:12:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:28,836 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:28,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 8 [2018-12-17 14:12:28,837 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:28,837 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-12-17 14:12:28,838 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:28,838 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-12-17 14:12:28,896 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:28,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-17 14:12:28,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-17 14:12:28,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-17 14:12:28,897 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 7 states. [2018-12-17 14:12:29,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:29,694 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-12-17 14:12:29,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-17 14:12:29,694 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-12-17 14:12:29,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-17 14:12:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2018-12-17 14:12:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-17 14:12:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2018-12-17 14:12:29,697 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 10 transitions. [2018-12-17 14:12:29,722 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:29,722 INFO L225 Difference]: With dead ends: 9 [2018-12-17 14:12:29,722 INFO L226 Difference]: Without dead ends: 0 [2018-12-17 14:12:29,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-12-17 14:12:29,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-17 14:12:29,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-17 14:12:29,724 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:29,724 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-12-17 14:12:29,724 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-12-17 14:12:29,725 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-12-17 14:12:29,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:29,725 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-17 14:12:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-17 14:12:29,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:29,725 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:29,726 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-12-17 14:12:29,726 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-12-17 14:12:29,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:29,726 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-17 14:12:29,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-17 14:12:29,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:29,726 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:29,727 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:29,727 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-17 14:12:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-17 14:12:29,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-12-17 14:12:29,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:29,727 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-17 14:12:29,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-17 14:12:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-17 14:12:29,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:29,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-17 14:12:29,997 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 11 103) no Hoare annotation was computed. [2018-12-17 14:12:29,997 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 11 103) no Hoare annotation was computed. [2018-12-17 14:12:29,997 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 11 103) no Hoare annotation was computed. [2018-12-17 14:12:29,998 INFO L444 ceAbstractionStarter]: At program point L91(lines 91 101) the Hoare annotation is: false [2018-12-17 14:12:29,998 INFO L444 ceAbstractionStarter]: At program point L75(lines 75 92) the Hoare annotation is: (let ((.cse2 (div ~SIZE 4294967296))) (let ((.cse0 (* 4294967296 .cse2))) (and (let ((.cse1 (div ULTIMATE.start_linear_search_~n 4294967296))) (or (and (= ~SIZE (+ .cse0 ULTIMATE.start_linear_search_~n)) (< 0 (+ .cse1 .cse2 1))) (and (<= .cse2 0) (= ~SIZE (+ .cse0 ULTIMATE.start_linear_search_~n 4294967296)) (< 0 (+ .cse1 .cse2 2))))) (<= (+ ULTIMATE.start_linear_search_~j~5 .cse0 1) (+ (* 4294967296 (div ULTIMATE.start_linear_search_~j~5 4294967296)) ~SIZE))))) [2018-12-17 14:12:29,998 INFO L444 ceAbstractionStarter]: At program point L100(lines 65 100) the Hoare annotation is: (let ((.cse2 (div ~SIZE 4294967296))) (let ((.cse0 (* 4294967296 .cse2)) (.cse1 (div ULTIMATE.start_linear_search_~n 4294967296))) (or (and (= ~SIZE (+ .cse0 ULTIMATE.start_linear_search_~n)) (< 0 (+ .cse1 .cse2 1))) (and (<= .cse2 0) (= ~SIZE (+ .cse0 ULTIMATE.start_linear_search_~n 4294967296)) (< 0 (+ .cse1 .cse2 2)))))) [2018-12-17 14:12:29,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 102) no Hoare annotation was computed. [2018-12-17 14:12:30,000 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-12-17 14:12:30,004 WARN L170 areAnnotationChecker]: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has no Hoare annotation [2018-12-17 14:12:30,004 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-12-17 14:12:30,004 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-12-17 14:12:30,004 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-12-17 14:12:30,013 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 02:12:30 BoogieIcfgContainer [2018-12-17 14:12:30,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-17 14:12:30,015 INFO L168 Benchmark]: Toolchain (without parser) took 7487.57 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 696.3 MB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -576.8 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. [2018-12-17 14:12:30,017 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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. [2018-12-17 14:12:30,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.58 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. [2018-12-17 14:12:30,019 INFO L168 Benchmark]: Boogie Preprocessor took 41.65 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. [2018-12-17 14:12:30,019 INFO L168 Benchmark]: RCFGBuilder took 503.10 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-17 14:12:30,020 INFO L168 Benchmark]: TraceAbstraction took 6886.19 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 696.3 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -598.0 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. [2018-12-17 14:12:30,025 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 0.24 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 50.58 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. * Boogie Preprocessor took 41.65 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 503.10 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6886.19 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 696.3 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -598.0 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 102]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((~SIZE == 4294967296 * (~SIZE / 4294967296) + linear_search_~n && 0 < linear_search_~n / 4294967296 + ~SIZE / 4294967296 + 1) || ((~SIZE / 4294967296 <= 0 && ~SIZE == 4294967296 * (~SIZE / 4294967296) + linear_search_~n + 4294967296) && 0 < linear_search_~n / 4294967296 + ~SIZE / 4294967296 + 2)) && linear_search_~j~5 + 4294967296 * (~SIZE / 4294967296) + 1 <= 4294967296 * (linear_search_~j~5 / 4294967296) + ~SIZE - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (~SIZE == 4294967296 * (~SIZE / 4294967296) + linear_search_~n && 0 < linear_search_~n / 4294967296 + ~SIZE / 4294967296 + 1) || ((~SIZE / 4294967296 <= 0 && ~SIZE == 4294967296 * (~SIZE / 4294967296) + linear_search_~n + 4294967296) && 0 < linear_search_~n / 4294967296 + ~SIZE / 4294967296 + 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 6.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 22 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 112 HoareAnnotationTreeSize, 3 FomulaSimplifications, 48 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 344 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 1893 SizeOfPredicates, 2 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...