java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/random/RanFile038.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:02:14,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:02:14,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:02:14,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:02:14,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:02:14,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:02:14,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:02:14,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:02:14,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:02:14,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:02:14,798 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:02:14,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:02:14,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:02:14,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:02:14,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:02:14,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:02:14,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:02:14,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:02:14,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:02:14,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:02:14,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:02:14,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:02:14,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:02:14,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:02:14,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:02:14,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:02:14,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:02:14,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:02:14,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:02:14,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:02:14,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:02:14,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:02:14,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:02:14,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:02:14,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:02:14,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:02:14,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:02:14,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:02:14,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:02:14,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:02:14,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:02:14,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:02:14,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:02:14,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:02:14,870 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:02:14,870 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:02:14,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile038.bpl [2019-08-05 10:02:14,871 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile038.bpl' [2019-08-05 10:02:14,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:02:14,917 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:02:14,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:02:14,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:02:14,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:02:14,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/1) ... [2019-08-05 10:02:14,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/1) ... [2019-08-05 10:02:14,953 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:02:14,953 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:02:14,953 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:02:14,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:02:14,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:02:14,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:02:14,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:02:14,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/1) ... [2019-08-05 10:02:14,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/1) ... [2019-08-05 10:02:14,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/1) ... [2019-08-05 10:02:14,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/1) ... [2019-08-05 10:02:14,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/1) ... [2019-08-05 10:02:14,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/1) ... [2019-08-05 10:02:14,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/1) ... [2019-08-05 10:02:14,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:02:14,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:02:14,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:02:14,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:02:14,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 10:02:15,069 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:02:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:02:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:02:16,029 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:02:16,030 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:02:16,031 INFO L202 PluginConnector]: Adding new model RanFile038.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:02:16 BoogieIcfgContainer [2019-08-05 10:02:16,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:02:16,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:02:16,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:02:16,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:02:16,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:14" (1/2) ... [2019-08-05 10:02:16,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e17fa5 and model type RanFile038.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:02:16, skipping insertion in model container [2019-08-05 10:02:16,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile038.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:02:16" (2/2) ... [2019-08-05 10:02:16,039 INFO L109 eAbstractionObserver]: Analyzing ICFG RanFile038.bpl [2019-08-05 10:02:16,048 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:02:16,055 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 10:02:16,069 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 10:02:16,092 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:02:16,093 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:02:16,093 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:02:16,093 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:02:16,094 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:02:16,094 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:02:16,094 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:02:16,094 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:02:16,095 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:02:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-08-05 10:02:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-08-05 10:02:16,120 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:02:16,121 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:02:16,123 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:02:16,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:02:16,128 INFO L82 PathProgramCache]: Analyzing trace with hash -123404024, now seen corresponding path program 1 times [2019-08-05 10:02:16,171 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:02:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:02:16,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 10:02:16,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:02:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:02:16,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:02:16,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:02:16,228 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 10:02:16,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 10:02:16,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 10:02:16,245 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-08-05 10:02:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:02:16,260 INFO L93 Difference]: Finished difference Result 32 states and 54 transitions. [2019-08-05 10:02:16,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 10:02:16,261 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-08-05 10:02:16,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:02:16,273 INFO L225 Difference]: With dead ends: 32 [2019-08-05 10:02:16,273 INFO L226 Difference]: Without dead ends: 29 [2019-08-05 10:02:16,280 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 10:02:16,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-08-05 10:02:16,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-08-05 10:02:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-08-05 10:02:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 49 transitions. [2019-08-05 10:02:16,327 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 49 transitions. Word has length 13 [2019-08-05 10:02:16,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:02:16,328 INFO L475 AbstractCegarLoop]: Abstraction has 29 states and 49 transitions. [2019-08-05 10:02:16,328 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 10:02:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2019-08-05 10:02:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-08-05 10:02:16,329 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:02:16,329 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:02:16,329 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:02:16,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:02:16,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1490266759, now seen corresponding path program 1 times [2019-08-05 10:02:16,331 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:02:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:02:16,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 10:02:16,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:02:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:02:16,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:02:16,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-08-05 10:02:16,502 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:02:16,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:02:16,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:02:16,503 INFO L87 Difference]: Start difference. First operand 29 states and 49 transitions. Second operand 4 states. [2019-08-05 10:02:17,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:02:17,172 INFO L93 Difference]: Finished difference Result 48 states and 82 transitions. [2019-08-05 10:02:17,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:02:17,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-08-05 10:02:17,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:02:17,177 INFO L225 Difference]: With dead ends: 48 [2019-08-05 10:02:17,177 INFO L226 Difference]: Without dead ends: 43 [2019-08-05 10:02:17,178 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:02:17,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-08-05 10:02:17,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 35. [2019-08-05 10:02:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-08-05 10:02:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 58 transitions. [2019-08-05 10:02:17,185 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 58 transitions. Word has length 14 [2019-08-05 10:02:17,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:02:17,186 INFO L475 AbstractCegarLoop]: Abstraction has 35 states and 58 transitions. [2019-08-05 10:02:17,186 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:02:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2019-08-05 10:02:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-08-05 10:02:17,187 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:02:17,187 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:02:17,188 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:02:17,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:02:17,189 INFO L82 PathProgramCache]: Analyzing trace with hash 419945365, now seen corresponding path program 1 times [2019-08-05 10:02:17,190 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:02:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:02:17,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:02:17,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:02:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:02:17,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:02:17,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:02:17,229 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:02:17,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:02:17,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:02:17,230 INFO L87 Difference]: Start difference. First operand 35 states and 58 transitions. Second operand 3 states. [2019-08-05 10:02:17,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:02:17,496 INFO L93 Difference]: Finished difference Result 61 states and 100 transitions. [2019-08-05 10:02:17,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:02:17,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-08-05 10:02:17,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:02:17,498 INFO L225 Difference]: With dead ends: 61 [2019-08-05 10:02:17,500 INFO L226 Difference]: Without dead ends: 59 [2019-08-05 10:02:17,500 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:02:17,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-08-05 10:02:17,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2019-08-05 10:02:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-08-05 10:02:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 63 transitions. [2019-08-05 10:02:17,506 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 63 transitions. Word has length 15 [2019-08-05 10:02:17,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:02:17,507 INFO L475 AbstractCegarLoop]: Abstraction has 39 states and 63 transitions. [2019-08-05 10:02:17,507 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:02:17,507 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2019-08-05 10:02:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-08-05 10:02:17,508 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:02:17,508 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:02:17,508 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:02:17,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:02:17,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1914779109, now seen corresponding path program 1 times [2019-08-05 10:02:17,510 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:02:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:02:17,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:02:17,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:02:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:02:17,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:02:17,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:02:17,566 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:02:17,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:02:17,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:02:17,566 INFO L87 Difference]: Start difference. First operand 39 states and 63 transitions. Second operand 3 states. [2019-08-05 10:02:17,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:02:17,710 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2019-08-05 10:02:17,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:02:17,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-08-05 10:02:17,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:02:17,711 INFO L225 Difference]: With dead ends: 36 [2019-08-05 10:02:17,711 INFO L226 Difference]: Without dead ends: 35 [2019-08-05 10:02:17,712 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:02:17,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-08-05 10:02:17,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-08-05 10:02:17,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-08-05 10:02:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 54 transitions. [2019-08-05 10:02:17,717 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 54 transitions. Word has length 17 [2019-08-05 10:02:17,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:02:17,717 INFO L475 AbstractCegarLoop]: Abstraction has 35 states and 54 transitions. [2019-08-05 10:02:17,717 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:02:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2019-08-05 10:02:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-08-05 10:02:17,718 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:02:17,718 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:02:17,719 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:02:17,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:02:17,719 INFO L82 PathProgramCache]: Analyzing trace with hash -485622355, now seen corresponding path program 1 times [2019-08-05 10:02:17,720 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:02:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:02:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:02:17,860 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:02:17,891 INFO L202 PluginConnector]: Adding new model RanFile038.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:02:17 BoogieIcfgContainer [2019-08-05 10:02:17,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:02:17,894 INFO L168 Benchmark]: Toolchain (without parser) took 2976.26 ms. Allocated memory was 135.3 MB in the beginning and 168.3 MB in the end (delta: 33.0 MB). Free memory was 111.1 MB in the beginning and 88.1 MB in the end (delta: 23.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB. [2019-08-05 10:02:17,896 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory is still 112.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:02:17,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.63 ms. Allocated memory is still 135.3 MB. Free memory was 110.7 MB in the beginning and 109.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:02:17,899 INFO L168 Benchmark]: Boogie Preprocessor took 36.12 ms. Allocated memory is still 135.3 MB. Free memory was 109.0 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:02:17,900 INFO L168 Benchmark]: RCFGBuilder took 1038.17 ms. Allocated memory is still 135.3 MB. Free memory was 107.3 MB in the beginning and 78.0 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:02:17,902 INFO L168 Benchmark]: TraceAbstraction took 1858.94 ms. Allocated memory was 135.3 MB in the beginning and 168.3 MB in the end (delta: 33.0 MB). Free memory was 77.6 MB in the beginning and 88.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:02:17,909 INFO L335 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 0.21 ms. Allocated memory is still 135.3 MB. Free memory is still 112.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.63 ms. Allocated memory is still 135.3 MB. Free memory was 110.7 MB in the beginning and 109.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.12 ms. Allocated memory is still 135.3 MB. Free memory was 109.0 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1038.17 ms. Allocated memory is still 135.3 MB. Free memory was 107.3 MB in the beginning and 78.0 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1858.94 ms. Allocated memory was 135.3 MB in the beginning and 168.3 MB in the end (delta: 33.0 MB). Free memory was 77.6 MB in the beginning and 88.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 128]: assertion can be violated assertion can be violated We found a FailurePath: [L9] qrrswwv := qrrswwv + oesehyb + qrrswwv + 76 + 95; VAL [oesehyb=-914, qrrswwv=-157] [L10] COND TRUE zjwdcwa > zjwdcwa + 93 + 63 - vuiiwzs [L11] emntcyx := emntcyx + qrrswwv + zjwdcwa; VAL [emntcyx=631, oesehyb=-914, qrrswwv=-157, vuiiwzs=197, zjwdcwa=396] [L12] COND TRUE emntcyx > zjwdcwa - qrrswwv [L13] zjwdcwa := zjwdcwa + 46 + qrrswwv + zjwdcwa; VAL [emntcyx=631, oesehyb=-914, qrrswwv=-157, vuiiwzs=197, zjwdcwa=681] [L14] COND FALSE !(emntcyx < 99 + 25 + oesehyb + 25 + 100 || zjwdcwa < emntcyx - 64 - qrrswwv + 78 + oesehyb) VAL [emntcyx=631, oesehyb=-914, qrrswwv=-157, vuiiwzs=197, zjwdcwa=681] [L32] COND FALSE !(emntcyx < qrrswwv + zjwdcwa + 7 + 100) VAL [emntcyx=631, oesehyb=-914, qrrswwv=-157, vuiiwzs=197, zjwdcwa=681] [L43] COND FALSE !(vuiiwzs < 82 + 15 + 100 && qrrswwv < vuiiwzs - emntcyx - 45 - oesehyb) VAL [emntcyx=631, oesehyb=-914, qrrswwv=-157, vuiiwzs=197, zjwdcwa=681] [L56] COND TRUE zjwdcwa < 71 - oesehyb + vuiiwzs - 86 || vuiiwzs > emntcyx + vuiiwzs - 80 + oesehyb [L57] vuiiwzs := vuiiwzs + vuiiwzs + 96; VAL [emntcyx=631, oesehyb=-914, qrrswwv=-157, vuiiwzs=490, zjwdcwa=681] [L58] COND FALSE !(zjwdcwa < 16 + 49 + 36 + 82 + 100 || qrrswwv < qrrswwv + vuiiwzs - vuiiwzs) VAL [emntcyx=631, oesehyb=-914, qrrswwv=-157, vuiiwzs=490, zjwdcwa=681] [L68] COND TRUE emntcyx < emntcyx + 60 - 97 - 14 || emntcyx < zjwdcwa - 49 [L69] qrrswwv := qrrswwv + emntcyx; VAL [emntcyx=631, oesehyb=-914, qrrswwv=474, vuiiwzs=490, zjwdcwa=681] [L77] COND FALSE !(zjwdcwa < 82 + vuiiwzs) VAL [emntcyx=631, oesehyb=-914, qrrswwv=474, vuiiwzs=490, zjwdcwa=681] [L79] COND TRUE emntcyx < 99 + zjwdcwa - vuiiwzs + zjwdcwa + 57 && qrrswwv < 26 + emntcyx - oesehyb [L80] zjwdcwa := zjwdcwa + qrrswwv + 25 + 17 + oesehyb; [L81] COND TRUE vuiiwzs < emntcyx - qrrswwv + vuiiwzs || vuiiwzs > 33 + 27 + 29 + 65 + oesehyb [L82] zjwdcwa := zjwdcwa + 48 + 21 + vuiiwzs + 70; VAL [emntcyx=631, oesehyb=-914, qrrswwv=474, vuiiwzs=490, zjwdcwa=912] [L90] COND TRUE zjwdcwa < 11 + 99 + zjwdcwa + 2 + 100 && qrrswwv > 0 + qrrswwv + zjwdcwa + oesehyb [L91] zjwdcwa := 87 - 18 - 51 - oesehyb; [L92] COND FALSE !(vuiiwzs < vuiiwzs - qrrswwv - vuiiwzs + qrrswwv) [L95] vuiiwzs := 87 - emntcyx - 84 + vuiiwzs - 32; VAL [emntcyx=631, oesehyb=-914, qrrswwv=474, vuiiwzs=-170, zjwdcwa=932] [L90] COND FALSE !(zjwdcwa < 11 + 99 + zjwdcwa + 2 + 100 && qrrswwv > 0 + qrrswwv + zjwdcwa + oesehyb) VAL [emntcyx=631, oesehyb=-914, qrrswwv=474, vuiiwzs=-170, zjwdcwa=932] [L99] COND TRUE qrrswwv > qrrswwv - 99 - 76 VAL [emntcyx=631, oesehyb=-914, qrrswwv=474, vuiiwzs=-170, zjwdcwa=932] [L100] COND FALSE !(zjwdcwa < vuiiwzs + zjwdcwa + 69 + 100) VAL [emntcyx=631, oesehyb=-914, qrrswwv=474, vuiiwzs=-170, zjwdcwa=932] [L102] COND FALSE !(zjwdcwa < 44 + emntcyx + 56 + 100) VAL [emntcyx=631, oesehyb=-914, qrrswwv=474, vuiiwzs=-170, zjwdcwa=932] [L128] assert qrrswwv < 41 - vuiiwzs; VAL [emntcyx=631, oesehyb=-914, qrrswwv=474, vuiiwzs=-170, zjwdcwa=932] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 3 error locations. UNSAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 179 SDtfs, 85 SDslu, 41 SDs, 0 SdLazy, 161 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=3, 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, 4 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 55 ConstructedInterpolants, 5 QuantifiedInterpolants, 1718 SizeOfPredicates, 1 NumberOfNonLiveVariables, 106 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...