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/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:19:42,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:19:43,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:19:43,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:19:43,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:19:43,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:19:43,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:19:43,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:19:43,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:19:43,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:19:43,031 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:19:43,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:19:43,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:19:43,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:19:43,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:19:43,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:19:43,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:19:43,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:19:43,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:19:43,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:19:43,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:19:43,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:19:43,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:19:43,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:19:43,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:19:43,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:19:43,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:19:43,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:19:43,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:19:43,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:19:43,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:19:43,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:19:43,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:19:43,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:19:43,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:19:43,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:19:43,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:19:43,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:19:43,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:19:43,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:19:43,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:19:43,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:19:43,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:19:43,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:19:43,126 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:19:43,126 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:19:43,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl [2019-08-05 10:19:43,127 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl' [2019-08-05 10:19:43,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:19:43,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:19:43,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:19:43,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:19:43,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:19:43,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/1) ... [2019-08-05 10:19:43,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/1) ... [2019-08-05 10:19:43,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:19:43,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:19:43,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:19:43,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:19:43,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/1) ... [2019-08-05 10:19:43,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/1) ... [2019-08-05 10:19:43,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/1) ... [2019-08-05 10:19:43,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/1) ... [2019-08-05 10:19:43,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/1) ... [2019-08-05 10:19:43,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/1) ... [2019-08-05 10:19:43,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/1) ... [2019-08-05 10:19:43,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:19:43,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:19:43,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:19:43,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:19:43,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (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 10:19:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:19:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:19:44,624 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:19:44,625 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:19:44,626 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:19:44 BoogieIcfgContainer [2019-08-05 10:19:44,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:19:44,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:19:44,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:19:44,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:19:44,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:19:43" (1/2) ... [2019-08-05 10:19:44,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2d4b26 and model type pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:19:44, skipping insertion in model container [2019-08-05 10:19:44,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:19:44" (2/2) ... [2019-08-05 10:19:44,634 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl [2019-08-05 10:19:44,645 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:19:44,653 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:19:44,670 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:19:44,697 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:19:44,698 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:19:44,698 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:19:44,698 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:19:44,698 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:19:44,698 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:19:44,699 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:19:44,699 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:19:44,699 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:19:44,712 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:19:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:19:44,721 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:19:44,722 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:19:44,724 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:19:44,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:19:44,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1001172, now seen corresponding path program 1 times [2019-08-05 10:19:44,780 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:19:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:19:44,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2019-08-05 10:19:44,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:19:45,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:19:45,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:19:45,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:19:45,146 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 10:19:45,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:19:45,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:19:45,154 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:19:45,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:19:45,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:19:45,169 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 10:19:45,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:19:45,231 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 10:19:45,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:19:45,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 10:19:45,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:19:45,244 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:19:45,245 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 10:19:45,247 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:19:45,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 10:19:45,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-08-05 10:19:45,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:19:45,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:19:45,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-05 10:19:45,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:19:45,273 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:19:45,273 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:19:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:19:45,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:19:45,273 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:19:45,274 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 10:19:45,274 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:19:45,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:19:45,275 INFO L82 PathProgramCache]: Analyzing trace with hash 962207787, now seen corresponding path program 1 times [2019-08-05 10:19:45,277 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:19:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:19:45,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-05 10:19:45,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:19:45,631 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-08-05 10:19:45,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:19:45,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:19:46,008 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-08-05 10:19:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:19:46,044 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:19:46,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:19:46,046 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:19:46,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:19:46,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:19:46,047 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2019-08-05 10:19:46,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:19:46,069 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2019-08-05 10:19:46,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:19:46,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-08-05 10:19:46,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:19:46,078 INFO L225 Difference]: With dead ends: 4 [2019-08-05 10:19:46,078 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:19:46,079 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:19:46,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:19:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:19:46,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:19:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:19:46,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 10:19:46,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:19:46,081 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:19:46,081 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:19:46,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:19:46,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:19:46,086 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:19:46 BoogieIcfgContainer [2019-08-05 10:19:46,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:19:46,089 INFO L168 Benchmark]: Toolchain (without parser) took 2892.00 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 109.6 MB in the beginning and 95.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. [2019-08-05 10:19:46,090 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 10:19:46,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.64 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:19:46,094 INFO L168 Benchmark]: Boogie Preprocessor took 50.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.7 MB in the beginning and 106.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:19:46,095 INFO L168 Benchmark]: RCFGBuilder took 1328.01 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 106.2 MB in the beginning and 146.2 MB in the end (delta: -40.0 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:19:46,097 INFO L168 Benchmark]: TraceAbstraction took 1458.73 ms. Allocated memory is still 176.7 MB. Free memory was 145.4 MB in the beginning and 95.3 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:19:46,105 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 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.64 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.7 MB in the beginning and 106.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1328.01 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 106.2 MB in the beginning and 146.2 MB in the end (delta: -40.0 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1458.73 ms. Allocated memory is still 176.7 MB. Free memory was 145.4 MB in the beginning and 95.3 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 467]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 1 SDslu, 5 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 564 SizeOfPredicates, 30 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...