java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 23:37:15,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 23:37:15,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 23:37:15,651 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 23:37:15,652 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 23:37:15,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 23:37:15,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 23:37:15,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 23:37:15,657 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 23:37:15,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 23:37:15,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-30 23:37:15,683 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 23:37:15,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 23:37:15,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 23:37:15,699 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 23:37:15,699 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 23:37:15,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 23:37:15,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 23:37:15,700 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 23:37:15,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 23:37:15,701 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 23:37:15,701 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 23:37:15,701 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 23:37:15,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 23:37:15,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 23:37:15,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 23:37:15,702 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 23:37:15,702 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 23:37:15,702 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 23:37:15,702 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 23:37:15,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 23:37:15,703 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 23:37:15,703 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 23:37:15,703 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 23:37:15,703 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 23:37:15,703 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 23:37:15,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 23:37:15,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 23:37:15,704 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 23:37:15,704 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 23:37:15,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 23:37:15,704 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 23:37:15,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 23:37:15,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 23:37:15,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 23:37:15,770 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 23:37:15,771 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 23:37:15,772 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2018-09-30 23:37:15,773 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2018-09-30 23:37:15,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 23:37:15,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 23:37:15,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 23:37:15,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 23:37:15,859 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 23:37:15,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/1) ... [2018-09-30 23:37:15,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/1) ... [2018-09-30 23:37:15,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 23:37:15,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 23:37:15,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 23:37:15,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 23:37:15,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/1) ... [2018-09-30 23:37:15,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/1) ... [2018-09-30 23:37:15,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/1) ... [2018-09-30 23:37:15,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/1) ... [2018-09-30 23:37:15,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/1) ... [2018-09-30 23:37:15,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/1) ... [2018-09-30 23:37:15,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/1) ... [2018-09-30 23:37:15,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 23:37:15,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 23:37:15,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 23:37:15,931 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 23:37:15,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (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 [2018-09-30 23:37:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 23:37:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 23:37:16,336 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 23:37:16,337 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:37:16 BoogieIcfgContainer [2018-09-30 23:37:16,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 23:37:16,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 23:37:16,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 23:37:16,342 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 23:37:16,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:15" (1/2) ... [2018-09-30 23:37:16,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c0924d and model type linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 11:37:16, skipping insertion in model container [2018-09-30 23:37:16,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:37:16" (2/2) ... [2018-09-30 23:37:16,346 INFO L112 eAbstractionObserver]: Analyzing ICFG linear_sea.ch.i_4.bpl [2018-09-30 23:37:16,356 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 23:37:16,365 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 23:37:16,412 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 23:37:16,413 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 23:37:16,413 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 23:37:16,413 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 23:37:16,413 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 23:37:16,414 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 23:37:16,414 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 23:37:16,414 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 23:37:16,414 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 23:37:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 23:37:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 23:37:16,434 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:37:16,435 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 23:37:16,436 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:37:16,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:37:16,442 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-30 23:37:16,444 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:37:16,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:37:16,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:16,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:37:16,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:37:16,879 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-09-30 23:37:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:37:16,990 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:37:16,990 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:37:16,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 23:37:17,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 23:37:17,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-30 23:37:17,008 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-09-30 23:37:17,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:37:17,071 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-30 23:37:17,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:37:17,073 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-30 23:37:17,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:37:17,083 INFO L225 Difference]: With dead ends: 11 [2018-09-30 23:37:17,084 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 23:37:17,087 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-30 23:37:17,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 23:37:17,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-30 23:37:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 23:37:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 23:37:17,119 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 23:37:17,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:37:17,119 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 23:37:17,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 23:37:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 23:37:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 23:37:17,120 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:37:17,120 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 23:37:17,121 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:37:17,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:37:17,121 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-30 23:37:17,121 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:37:17,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:37:17,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:17,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:37:17,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:37:17,456 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 13 [2018-09-30 23:37:17,715 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-09-30 23:37:17,895 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 14 [2018-09-30 23:37:17,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:37:17,897 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 23:37:17,897 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-09-30 23:37:17,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:37:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:37:17,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 23:37:22,376 WARN L178 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2018-09-30 23:37:22,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 23:37:22,544 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 23:37:22,544 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-09-30 23:37:22,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-30 23:37:22,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-30 23:37:22,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=26, Unknown=1, NotChecked=0, Total=42 [2018-09-30 23:37:22,546 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 7 states. [2018-09-30 23:37:24,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:37:24,743 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-09-30 23:37:24,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 23:37:24,744 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-09-30 23:37:24,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:37:24,744 INFO L225 Difference]: With dead ends: 7 [2018-09-30 23:37:24,744 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 23:37:24,746 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=22, Invalid=33, Unknown=1, NotChecked=0, Total=56 [2018-09-30 23:37:24,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 23:37:24,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 23:37:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 23:37:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 23:37:24,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-30 23:37:24,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:37:24,747 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 23:37:24,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-30 23:37:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 23:37:24,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 23:37:24,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 23:37:24,871 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 11 102) no Hoare annotation was computed. [2018-09-30 23:37:24,872 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 11 102) no Hoare annotation was computed. [2018-09-30 23:37:24,872 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 11 102) no Hoare annotation was computed. [2018-09-30 23:37:24,872 INFO L422 ceAbstractionStarter]: At program point L91(lines 91 100) the Hoare annotation is: false [2018-09-30 23:37:24,872 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 101) no Hoare annotation was computed. [2018-09-30 23:37:24,874 INFO L422 ceAbstractionStarter]: At program point L75(lines 75 92) the Hoare annotation is: (let ((.cse0 (mod ~SIZE 4294967296))) (and (exists ((|v_ULTIMATE.start_main_#t~nondet3_4| Int)) (and (= 0 (mod |v_ULTIMATE.start_main_#t~nondet3_4| 8)) (= ~SIZE (+ (div (mod |v_ULTIMATE.start_main_#t~nondet3_4| 4294967296) 8) 1)))) (< (mod ULTIMATE.start_linear_search_~j~5 4294967296) .cse0) (= .cse0 ULTIMATE.start_linear_search_~n))) [2018-09-30 23:37:24,875 INFO L422 ceAbstractionStarter]: At program point L99(lines 65 99) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_#t~nondet3_4| Int)) (and (= 0 (mod |v_ULTIMATE.start_main_#t~nondet3_4| 8)) (= ~SIZE (+ (div (mod |v_ULTIMATE.start_main_#t~nondet3_4| 4294967296) 8) 1)))) (= (mod ~SIZE 4294967296) ULTIMATE.start_linear_search_~n)) [2018-09-30 23:37:24,881 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,882 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,890 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,890 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,894 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,894 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,899 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,899 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,903 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 11:37:24 BoogieIcfgContainer [2018-09-30 23:37:24,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 23:37:24,908 INFO L168 Benchmark]: Toolchain (without parser) took 9052.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 119.0 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. [2018-09-30 23:37:24,909 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2018-09-30 23:37:24,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.43 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. [2018-09-30 23:37:24,913 INFO L168 Benchmark]: Boogie Preprocessor took 24.53 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. [2018-09-30 23:37:24,913 INFO L168 Benchmark]: RCFGBuilder took 406.76 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2018-09-30 23:37:24,914 INFO L168 Benchmark]: TraceAbstraction took 8565.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-09-30 23:37:24,923 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 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 46.43 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 24.53 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 406.76 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8565.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 101]: 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 [2018-09-30 23:37:24,934 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,934 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,936 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,936 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] Derived loop invariant: ((exists v_ULTIMATE.start_main_#t~nondet3_4 : int :: 0 == v_ULTIMATE.start_main_#t~nondet3_4 % 8 && ~SIZE == v_ULTIMATE.start_main_#t~nondet3_4 % 4294967296 / 8 + 1) && linear_search_~j~5 % 4294967296 < ~SIZE % 4294967296) && ~SIZE % 4294967296 == linear_search_~n - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 65]: Loop Invariant [2018-09-30 23:37:24,937 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,937 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,938 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] [2018-09-30 23:37:24,939 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet3_4,QUANTIFIED] Derived loop invariant: (exists v_ULTIMATE.start_main_#t~nondet3_4 : int :: 0 == v_ULTIMATE.start_main_#t~nondet3_4 % 8 && ~SIZE == v_ULTIMATE.start_main_#t~nondet3_4 % 4294967296 / 8 + 1) && ~SIZE % 4294967296 == linear_search_~n - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 8.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 12 SolverSat, 3 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.4s 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, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5 NumberOfFragments, 52 HoareAnnotationTreeSize, 3 FomulaSimplifications, 79 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 4 QuantifiedInterpolants, 954 SizeOfPredicates, 2 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/linear_sea.ch.i_4.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_23-37-24-947.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/linear_sea.ch.i_4.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_23-37-24-947.csv Received shutdown request...