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 0.1.23-9f4048f [2018-10-04 12:25:58,736 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 12:25:58,739 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 12:25:58,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 12:25:58,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 12:25:58,759 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 12:25:58,761 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 12:25:58,764 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 12:25:58,766 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 12:25:58,772 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 12:25:58,773 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 12:25:58,774 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 12:25:58,775 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 12:25:58,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 12:25:58,783 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 12:25:58,784 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 12:25:58,785 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 12:25:58,789 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 12:25:58,791 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 12:25:58,796 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 12:25:58,798 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 12:25:58,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 12:25:58,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-04 12:25:58,820 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 [2018-10-04 12:25:58,844 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 12:25:58,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 12:25:58,847 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 12:25:58,847 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 12:25:58,848 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 12:25:58,848 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 12:25:58,848 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 12:25:58,849 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 12:25:58,850 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 12:25:58,850 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 12:25:58,850 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 12:25:58,850 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 12:25:58,850 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 12:25:58,851 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 12:25:58,851 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 12:25:58,851 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 12:25:58,851 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 12:25:58,851 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 12:25:58,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 12:25:58,852 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 12:25:58,852 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 12:25:58,852 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 12:25:58,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:25:58,853 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 12:25:58,853 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 12:25:58,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 12:25:58,853 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 12:25:58,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 12:25:58,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 12:25:58,855 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 12:25:58,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 12:25:58,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 12:25:58,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 12:25:58,938 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 12:25:58,939 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 12:25:58,940 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2018-10-04 12:25:58,940 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2018-10-04 12:25:59,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 12:25:59,020 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 12:25:59,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 12:25:59,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 12:25:59,021 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 12:25:59,041 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 04.10 12:25:59" (1/1) ... [2018-10-04 12:25:59,054 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 04.10 12:25:59" (1/1) ... [2018-10-04 12:25:59,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 12:25:59,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 12:25:59,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 12:25:59,063 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 12:25:59,074 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 04.10 12:25:59" (1/1) ... [2018-10-04 12:25:59,074 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 04.10 12:25:59" (1/1) ... [2018-10-04 12:25:59,076 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 04.10 12:25:59" (1/1) ... [2018-10-04 12:25:59,076 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 04.10 12:25:59" (1/1) ... [2018-10-04 12:25:59,080 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 04.10 12:25:59" (1/1) ... [2018-10-04 12:25:59,082 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 04.10 12:25:59" (1/1) ... [2018-10-04 12:25:59,083 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 04.10 12:25:59" (1/1) ... [2018-10-04 12:25:59,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 12:25:59,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 12:25:59,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 12:25:59,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 12:25:59,087 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 04.10 12:25:59" (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 [2018-10-04 12:25:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 12:25:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 12:25:59,372 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 12:25:59,372 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:25:59 BoogieIcfgContainer [2018-10-04 12:25:59,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 12:25:59,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 12:25:59,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 12:25:59,378 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 12:25:59,378 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 04.10 12:25:59" (1/2) ... [2018-10-04 12:25:59,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@112d9de5 and model type linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:25:59, skipping insertion in model container [2018-10-04 12:25:59,380 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 04.10 12:25:59" (2/2) ... [2018-10-04 12:25:59,382 INFO L112 eAbstractionObserver]: Analyzing ICFG linear_sea.ch.i_4.bpl [2018-10-04 12:25:59,392 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 12:25:59,401 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 12:25:59,451 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 12:25:59,452 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 12:25:59,452 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 12:25:59,453 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 12:25:59,453 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 12:25:59,453 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 12:25:59,453 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 12:25:59,453 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 12:25:59,453 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 12:25:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-10-04 12:25:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 12:25:59,475 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:25:59,476 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-04 12:25:59,477 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:25:59,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:25:59,483 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-10-04 12:25:59,485 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:25:59,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:25:59,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:25:59,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:25:59,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:25:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:25:59,955 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-04 12:26:00,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:26:00,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:26:00,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:26:00,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 12:26:00,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 12:26:00,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-04 12:26:00,091 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-10-04 12:26:00,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:26:00,156 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-10-04 12:26:00,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:26:00,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-10-04 12:26:00,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:26:00,169 INFO L225 Difference]: With dead ends: 11 [2018-10-04 12:26:00,169 INFO L226 Difference]: Without dead ends: 7 [2018-10-04 12:26:00,172 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 [2018-10-04 12:26:00,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-10-04 12:26:00,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-10-04 12:26:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-10-04 12:26:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-04 12:26:00,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-10-04 12:26:00,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:26:00,209 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-10-04 12:26:00,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 12:26:00,209 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-04 12:26:00,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 12:26:00,210 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:26:00,210 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-10-04 12:26:00,210 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:26:00,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:26:00,211 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-10-04 12:26:00,211 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:26:00,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:26:00,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:26:00,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:26:00,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:26:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:26:00,682 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 13 [2018-10-04 12:26:00,964 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-10-04 12:26:01,127 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 14 [2018-10-04 12:26:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:26:01,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:26:01,129 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 [2018-10-04 12:26:01,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:26:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:26:01,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:26:11,657 WARN L178 SmtUtils]: Spent 6.35 s on a formula simplification. DAG size of input: 49 DAG size of output: 17 [2018-10-04 12:26:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 12:26:12,017 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:26:12,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-10-04 12:26:12,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-04 12:26:12,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-04 12:26:12,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=25, Unknown=2, NotChecked=0, Total=42 [2018-10-04 12:26:12,020 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 7 states. [2018-10-04 12:26:12,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:26:12,091 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-10-04 12:26:12,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-04 12:26:12,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-10-04 12:26:12,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:26:12,093 INFO L225 Difference]: With dead ends: 7 [2018-10-04 12:26:12,093 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 12:26:12,095 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=22, Invalid=32, Unknown=2, NotChecked=0, Total=56 [2018-10-04 12:26:12,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 12:26:12,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 12:26:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 12:26:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 12:26:12,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-10-04 12:26:12,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:26:12,096 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 12:26:12,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-04 12:26:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 12:26:12,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 12:26:12,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 12:26:12,246 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 11 102) no Hoare annotation was computed. [2018-10-04 12:26:12,246 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 101) no Hoare annotation was computed. [2018-10-04 12:26:12,247 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 11 102) no Hoare annotation was computed. [2018-10-04 12:26:12,247 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 11 102) no Hoare annotation was computed. [2018-10-04 12:26:12,247 INFO L421 ceAbstractionStarter]: At program point L91(lines 91 100) the Hoare annotation is: false [2018-10-04 12:26:12,247 INFO L421 ceAbstractionStarter]: At program point L75(lines 75 92) the Hoare annotation is: (let ((.cse0 (mod ~SIZE 4294967296))) (and (< (mod ULTIMATE.start_linear_search_~j~5 4294967296) .cse0) (= .cse0 ULTIMATE.start_linear_search_~n) (exists ((v_prenex_2 Int)) (let ((.cse1 (mod v_prenex_2 4294967296))) (and (<= 0 .cse1) (= ~SIZE (+ (div .cse1 8) 1))))))) [2018-10-04 12:26:12,248 INFO L421 ceAbstractionStarter]: At program point L99(lines 65 99) the Hoare annotation is: (and (= (mod ~SIZE 4294967296) ULTIMATE.start_linear_search_~n) (exists ((v_prenex_2 Int)) (let ((.cse0 (mod v_prenex_2 4294967296))) (and (<= 0 .cse0) (= ~SIZE (+ (div .cse0 8) 1)))))) [2018-10-04 12:26:12,253 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,254 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,258 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,258 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,260 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,260 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,261 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,261 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,263 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 12:26:12 BoogieIcfgContainer [2018-10-04 12:26:12,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 12:26:12,264 INFO L168 Benchmark]: Toolchain (without parser) took 13245.88 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: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. [2018-10-04 12:26:12,266 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:26:12,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.46 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. [2018-10-04 12:26:12,267 INFO L168 Benchmark]: Boogie Preprocessor took 22.89 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. [2018-10-04 12:26:12,268 INFO L168 Benchmark]: RCFGBuilder took 286.71 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. [2018-10-04 12:26:12,269 INFO L168 Benchmark]: TraceAbstraction took 12890.31 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: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2018-10-04 12:26:12,274 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 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.46 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 22.89 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 286.71 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 12890.31 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: 108.4 MB). Peak memory consumption was 108.4 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_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,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 [2018-10-04 12:26:12,283 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,284 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,285 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,285 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] Derived loop invariant: (linear_search_~j~5 % 4294967296 < ~SIZE % 4294967296 && ~SIZE % 4294967296 == linear_search_~n) && (exists v_prenex_2 : int :: 0 <= v_prenex_2 % 4294967296 && ~SIZE == v_prenex_2 % 4294967296 / 8 + 1) - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 65]: Loop Invariant [2018-10-04 12:26:12,286 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,287 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,288 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-10-04 12:26:12,288 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] Derived loop invariant: ~SIZE % 4294967296 == linear_search_~n && (exists v_prenex_2 : int :: 0 <= v_prenex_2 % 4294967296 && ~SIZE == v_prenex_2 % 4294967296 / 8 + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 12.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 2 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 11.8s 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, 86 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 12.0s 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-0-2018-10-04_12-26-12-294.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-0-2018-10-04_12-26-12-294.csv Received shutdown request...