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/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:45:07,040 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:45:07,043 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:45:07,055 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:45:07,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:45:07,056 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:45:07,058 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:45:07,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:45:07,061 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:45:07,062 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:45:07,063 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:45:07,063 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:45:07,064 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:45:07,065 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:45:07,066 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:45:07,067 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:45:07,068 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:45:07,070 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:45:07,072 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:45:07,073 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:45:07,074 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:45:07,076 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:45:07,078 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 15:45:07,087 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:45:07,097 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:45:07,097 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:45:07,098 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:45:07,098 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:45:07,098 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:45:07,099 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:45:07,099 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:45:07,100 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:45:07,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:45:07,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:45:07,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:45:07,101 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:45:07,101 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:45:07,102 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:45:07,102 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:45:07,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:45:07,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:45:07,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:45:07,166 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:45:07,166 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:45:07,167 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl [2018-10-10 15:45:07,167 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl' [2018-10-10 15:45:07,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:45:07,252 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:45:07,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:45:07,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:45:07,253 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:45:07,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:07" (1/1) ... [2018-10-10 15:45:07,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:07" (1/1) ... [2018-10-10 15:45:07,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:07" (1/1) ... [2018-10-10 15:45:07,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:07" (1/1) ... [2018-10-10 15:45:07,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:07" (1/1) ... [2018-10-10 15:45:07,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:07" (1/1) ... [2018-10-10 15:45:07,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:07" (1/1) ... [2018-10-10 15:45:07,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:45:07,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:45:07,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:45:07,342 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:45:07,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:07" (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 [2018-10-10 15:45:07,423 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:45:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:45:08,106 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:45:08,107 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:45:08 BoogieIcfgContainer [2018-10-10 15:45:08,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:45:08,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:45:08,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:45:08,112 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:45:08,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:07" (1/2) ... [2018-10-10 15:45:08,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531f5e0d and model type sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:45:08, skipping insertion in model container [2018-10-10 15:45:08,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:45:08" (2/2) ... [2018-10-10 15:45:08,116 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl [2018-10-10 15:45:08,125 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:45:08,134 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:45:08,151 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:45:08,179 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:45:08,180 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:45:08,180 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:45:08,180 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:45:08,181 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:45:08,181 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:45:08,181 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:45:08,181 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:45:08,181 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:45:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2018-10-10 15:45:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-10 15:45:08,211 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:45:08,212 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, 1, 1, 1, 1, 1] [2018-10-10 15:45:08,213 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:45:08,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:45:08,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1167420569, now seen corresponding path program 1 times [2018-10-10 15:45:08,272 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:45:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:45:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:45:08,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:45:08,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 15:45:08,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 15:45:08,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 15:45:08,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-10 15:45:08,624 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 7 states. [2018-10-10 15:45:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:09,350 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-10-10 15:45:09,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-10 15:45:09,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2018-10-10 15:45:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:09,365 INFO L225 Difference]: With dead ends: 103 [2018-10-10 15:45:09,365 INFO L226 Difference]: Without dead ends: 96 [2018-10-10 15:45:09,368 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-10-10 15:45:09,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-10-10 15:45:09,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2018-10-10 15:45:09,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-10-10 15:45:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-10-10 15:45:09,412 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 43 [2018-10-10 15:45:09,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:09,413 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-10-10 15:45:09,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 15:45:09,413 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-10-10 15:45:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-10 15:45:09,417 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:45:09,417 INFO L375 BasicCegarLoop]: trace histogram [2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:45:09,418 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:45:09,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:45:09,419 INFO L82 PathProgramCache]: Analyzing trace with hash -118181566, now seen corresponding path program 1 times [2018-10-10 15:45:09,420 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:45:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:45:09,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:45:09,990 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:45:09,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-10 15:45:09,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 15:45:09,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 15:45:09,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:45:09,997 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 8 states. [2018-10-10 15:45:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:10,734 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2018-10-10 15:45:10,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 15:45:10,736 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2018-10-10 15:45:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:10,738 INFO L225 Difference]: With dead ends: 150 [2018-10-10 15:45:10,739 INFO L226 Difference]: Without dead ends: 143 [2018-10-10 15:45:10,740 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-10-10 15:45:10,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-10-10 15:45:10,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2018-10-10 15:45:10,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-10-10 15:45:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2018-10-10 15:45:10,758 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 90 [2018-10-10 15:45:10,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:10,759 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2018-10-10 15:45:10,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 15:45:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2018-10-10 15:45:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-10 15:45:10,764 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:45:10,764 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2018-10-10 15:45:10,765 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:45:10,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:45:10,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1579586041, now seen corresponding path program 2 times [2018-10-10 15:45:10,766 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:45:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:45:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-10 15:45:12,268 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:45:12,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-10-10 15:45:12,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 15:45:12,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 15:45:12,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-10-10 15:45:12,270 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand 19 states. [2018-10-10 15:45:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:13,525 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-10-10 15:45:13,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 15:45:13,526 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 137 [2018-10-10 15:45:13,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:13,527 INFO L225 Difference]: With dead ends: 136 [2018-10-10 15:45:13,527 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:45:13,528 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2018-10-10 15:45:13,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:45:13,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:45:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:45:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:45:13,529 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2018-10-10 15:45:13,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:13,530 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:45:13,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 15:45:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:45:13,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:45:13,536 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:45:13 BoogieIcfgContainer [2018-10-10 15:45:13,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:45:13,537 INFO L168 Benchmark]: Toolchain (without parser) took 6286.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 285.5 MB). Peak memory consumption was 285.5 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:13,540 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:45:13,540 INFO L168 Benchmark]: Boogie Preprocessor took 88.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:45:13,541 INFO L168 Benchmark]: RCFGBuilder took 765.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:13,542 INFO L168 Benchmark]: TraceAbstraction took 5427.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.8 MB). Peak memory consumption was 253.8 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:13,546 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 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 765.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5427.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.8 MB). Peak memory consumption was 253.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 180]: 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, 91 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 203 SDtfs, 979 SDslu, 731 SDs, 0 SdLazy, 641 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=2, 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, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 130321 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 15/53 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/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-45-13-558.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_25.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-45-13-558.csv Received shutdown request...