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/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181015-LoopsPathprograms/large_const_true-unreach-call_true-termination.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 13:04:33,346 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 13:04:33,348 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 13:04:33,366 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 13:04:33,366 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 13:04:33,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 13:04:33,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 13:04:33,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 13:04:33,375 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 13:04:33,376 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 13:04:33,378 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-15 13:04:33,379 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-15 13:04:33,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-15 13:04:33,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-15 13:04:33,382 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-15 13:04:33,383 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-15 13:04:33,390 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-15 13:04:33,397 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-15 13:04:33,403 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-15 13:04:33,405 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-15 13:04:33,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-15 13:04:33,409 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-15 13:04:33,412 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-15 13:04:33,412 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-15 13:04:33,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-15 13:04:33,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-15 13:04:33,414 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-15 13:04:33,415 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-15 13:04:33,417 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-15 13:04:33,418 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-15 13:04:33,418 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-15 13:04:33,419 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-15 13:04:33,423 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-15 13:04:33,440 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 13:04:33,441 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 13:04:33,442 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 13:04:33,442 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 13:04:33,442 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 13:04:33,443 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 13:04:33,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 13:04:33,444 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 13:04:33,444 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 13:04:33,444 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 13:04:33,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 13:04:33,445 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 13:04:33,445 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 13:04:33,446 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 13:04:33,446 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 13:04:33,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 13:04:33,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 13:04:33,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 13:04:33,529 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 13:04:33,529 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 13:04:33,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/large_const_true-unreach-call_true-termination.i_4.bpl [2018-10-15 13:04:33,531 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/large_const_true-unreach-call_true-termination.i_4.bpl' [2018-10-15 13:04:33,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 13:04:33,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-15 13:04:33,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 13:04:33,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 13:04:33,584 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 13:04:33,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:33" (1/1) ... [2018-10-15 13:04:33,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:33" (1/1) ... [2018-10-15 13:04:33,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:33" (1/1) ... [2018-10-15 13:04:33,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:33" (1/1) ... [2018-10-15 13:04:33,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:33" (1/1) ... [2018-10-15 13:04:33,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:33" (1/1) ... [2018-10-15 13:04:33,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:33" (1/1) ... [2018-10-15 13:04:33,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 13:04:33,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 13:04:33,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 13:04:33,633 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 13:04:33,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:33" (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 [2018-10-15 13:04:33,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 13:04:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 13:04:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 13:04:34,089 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 13:04:34,090 INFO L202 PluginConnector]: Adding new model large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:34 BoogieIcfgContainer [2018-10-15 13:04:34,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 13:04:34,090 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-15 13:04:34,091 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-15 13:04:34,093 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-15 13:04:34,097 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:34" (1/1) ... [2018-10-15 13:04:34,101 WARN L219 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-10-15 13:04:34,116 INFO L202 PluginConnector]: Adding new model large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 01:04:34 BasicIcfg [2018-10-15 13:04:34,116 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-15 13:04:34,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 13:04:34,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 13:04:34,121 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 13:04:34,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:33" (1/3) ... [2018-10-15 13:04:34,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe44ee and model type large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:04:34, skipping insertion in model container [2018-10-15 13:04:34,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:34" (2/3) ... [2018-10-15 13:04:34,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe44ee and model type large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:04:34, skipping insertion in model container [2018-10-15 13:04:34,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 01:04:34" (3/3) ... [2018-10-15 13:04:34,126 INFO L112 eAbstractionObserver]: Analyzing ICFG large_const_true-unreach-call_true-termination.i_4.bplleft_unchanged_by_heapseparator [2018-10-15 13:04:34,137 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 13:04:34,145 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 13:04:34,159 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 13:04:34,188 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 13:04:34,189 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 13:04:34,189 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 13:04:34,189 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 13:04:34,189 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 13:04:34,189 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 13:04:34,189 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 13:04:34,190 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 13:04:34,190 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 13:04:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-10-15 13:04:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-15 13:04:34,215 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:04:34,217 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:04:34,219 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:04:34,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:04:34,226 INFO L82 PathProgramCache]: Analyzing trace with hash -98822530, now seen corresponding path program 1 times [2018-10-15 13:04:34,275 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:04:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:04:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 13:04:34,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 13:04:34,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-15 13:04:34,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-15 13:04:34,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-15 13:04:34,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-15 13:04:34,464 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 5 states. [2018-10-15 13:04:34,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:04:34,680 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-10-15 13:04:34,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-15 13:04:34,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-10-15 13:04:34,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:04:34,695 INFO L225 Difference]: With dead ends: 43 [2018-10-15 13:04:34,695 INFO L226 Difference]: Without dead ends: 41 [2018-10-15 13:04:34,697 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-15 13:04:34,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-15 13:04:34,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2018-10-15 13:04:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-15 13:04:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-10-15 13:04:34,734 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 27 [2018-10-15 13:04:34,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:04:34,735 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-10-15 13:04:34,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-15 13:04:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-10-15 13:04:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-15 13:04:34,737 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:04:34,737 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:04:34,737 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:04:34,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:04:34,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1129325117, now seen corresponding path program 1 times [2018-10-15 13:04:34,739 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:04:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:04:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 13:04:35,050 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:04:35,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-15 13:04:35,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-15 13:04:35,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-15 13:04:35,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-15 13:04:35,053 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 7 states. [2018-10-15 13:04:35,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:04:35,352 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-10-15 13:04:35,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-15 13:04:35,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2018-10-15 13:04:35,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:04:35,354 INFO L225 Difference]: With dead ends: 47 [2018-10-15 13:04:35,354 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 13:04:35,356 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-10-15 13:04:35,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 13:04:35,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 13:04:35,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 13:04:35,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 13:04:35,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-10-15 13:04:35,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:04:35,357 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 13:04:35,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-15 13:04:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 13:04:35,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 13:04:35,363 INFO L202 PluginConnector]: Adding new model large_const_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:04:35 BasicIcfg [2018-10-15 13:04:35,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 13:04:35,364 INFO L168 Benchmark]: Toolchain (without parser) took 1782.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-10-15 13:04:35,366 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 13:04:35,367 INFO L168 Benchmark]: Boogie Preprocessor took 47.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 13:04:35,368 INFO L168 Benchmark]: RCFGBuilder took 457.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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. [2018-10-15 13:04:35,369 INFO L168 Benchmark]: IcfgTransformer took 25.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 13:04:35,370 INFO L168 Benchmark]: TraceAbstraction took 1245.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-10-15 13:04:35,375 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 457.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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. * IcfgTransformer took 25.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * TraceAbstraction took 1245.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 78]: 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, 40 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 78 SDtfs, 43 SDslu, 216 SDs, 0 SdLazy, 46 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 5309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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/large_const_true-unreach-call_true-termination.i_4.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-15_13-04-35-388.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/large_const_true-unreach-call_true-termination.i_4.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_13-04-35-388.csv Received shutdown request...