java -Xmx20000000000 -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/heapseparator/speedup-poc03-02.bpl
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This is Ultimate 0.1.23-9b25614
[2018-10-05 09:07:35,464 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-10-05 09:07:35,466 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-10-05 09:07:35,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-10-05 09:07:35,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2018-10-05 09:07:35,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2018-10-05 09:07:35,490 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
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[2018-10-05 09:07:35,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-10-05 09:07:35,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-10-05 09:07:35,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-10-05 09:07:35,498 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-10-05 09:07:35,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2018-10-05 09:07:35,502 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-10-05 09:07:35,503 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-10-05 09:07:35,504 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-10-05 09:07:35,504 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2018-10-05 09:07:35,508 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values
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[2018-10-05 09:07:35,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-10-05 09:07:35,510 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf
[2018-10-05 09:07:35,523 INFO L110 SettingsManager]: Loading preferences was successful
[2018-10-05 09:07:35,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-10-05 09:07:35,524 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-10-05 09:07:35,524 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain
[2018-10-05 09:07:35,524 INFO L133 SettingsManager]: * Parallel states before merging=1
[2018-10-05 09:07:35,524 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2018-10-05 09:07:35,525 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-10-05 09:07:35,525 INFO L133 SettingsManager]: * Size of a code block=SingleStatement
[2018-10-05 09:07:35,526 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-10-05 09:07:35,526 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation
[2018-10-05 09:07:35,526 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-10-05 09:07:35,526 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan
[2018-10-05 09:07:35,526 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2018-10-05 09:07:35,528 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-10-05 09:07:35,528 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR
[2018-10-05 09:07:35,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-10-05 09:07:35,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-10-05 09:07:35,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-10-05 09:07:35,594 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2018-10-05 09:07:35,594 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized
[2018-10-05 09:07:35,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc03-02.bpl
[2018-10-05 09:07:35,596 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc03-02.bpl'
[2018-10-05 09:07:35,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-10-05 09:07:35,651 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements.
[2018-10-05 09:07:35,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-10-05 09:07:35,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-10-05 09:07:35,652 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-10-05 09:07:35,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.10 09:07:35" (1/1) ...
[2018-10-05 09:07:35,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.10 09:07:35" (1/1) ...
[2018-10-05 09:07:35,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.10 09:07:35" (1/1) ...
[2018-10-05 09:07:35,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.10 09:07:35" (1/1) ...
[2018-10-05 09:07:35,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.10 09:07:35" (1/1) ...
[2018-10-05 09:07:35,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.10 09:07:35" (1/1) ...
[2018-10-05 09:07:35,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.10 09:07:35" (1/1) ...
[2018-10-05 09:07:35,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-10-05 09:07:35,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-10-05 09:07:35,696 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-10-05 09:07:35,696 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-10-05 09:07:35,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.10 09:07:35" (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
[2018-10-05 09:07:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-10-05 09:07:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-10-05 09:07:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2018-10-05 09:07:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2018-10-05 09:07:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2018-10-05 09:07:35,976 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-10-05 09:07:35,977 INFO L202 PluginConnector]: Adding new model speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 09:07:35 BoogieIcfgContainer
[2018-10-05 09:07:35,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-10-05 09:07:35,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-10-05 09:07:35,978 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-10-05 09:07:35,982 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-10-05 09:07:35,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.10 09:07:35" (1/2) ...
[2018-10-05 09:07:35,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd5e7ad and model type speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 09:07:35, skipping insertion in model container
[2018-10-05 09:07:35,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 09:07:35" (2/2) ...
[2018-10-05 09:07:35,985 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc03-02.bpl
[2018-10-05 09:07:35,995 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION
[2018-10-05 09:07:36,004 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2018-10-05 09:07:36,050 INFO L133 ementStrategyFactory]: Using default assertion order modulation
[2018-10-05 09:07:36,051 INFO L381 AbstractCegarLoop]: Interprodecural is true
[2018-10-05 09:07:36,051 INFO L382 AbstractCegarLoop]: Hoare is false
[2018-10-05 09:07:36,051 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation
[2018-10-05 09:07:36,051 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-10-05 09:07:36,052 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-10-05 09:07:36,052 INFO L386 AbstractCegarLoop]: Difference is false
[2018-10-05 09:07:36,052 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-10-05 09:07:36,052 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-10-05 09:07:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states.
[2018-10-05 09:07:36,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2018-10-05 09:07:36,077 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-05 09:07:36,078 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2018-10-05 09:07:36,079 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]===
[2018-10-05 09:07:36,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-05 09:07:36,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1519285434, now seen corresponding path program 1 times
[2018-10-05 09:07:36,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-10-05 09:07:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-05 09:07:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-05 09:07:36,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-05 09:07:36,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-10-05 09:07:36,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-10-05 09:07:36,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-10-05 09:07:36,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-10-05 09:07:36,487 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 4 states.
[2018-10-05 09:07:36,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-05 09:07:36,791 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions.
[2018-10-05 09:07:36,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2018-10-05 09:07:36,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6
[2018-10-05 09:07:36,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-05 09:07:36,804 INFO L225 Difference]: With dead ends: 27
[2018-10-05 09:07:36,804 INFO L226 Difference]: Without dead ends: 19
[2018-10-05 09:07:36,806 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-10-05 09:07:36,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2018-10-05 09:07:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 11.
[2018-10-05 09:07:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2018-10-05 09:07:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions.
[2018-10-05 09:07:36,840 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 6
[2018-10-05 09:07:36,841 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-05 09:07:36,841 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions.
[2018-10-05 09:07:36,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-10-05 09:07:36,841 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions.
[2018-10-05 09:07:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2018-10-05 09:07:36,842 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-05 09:07:36,842 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2018-10-05 09:07:36,842 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]===
[2018-10-05 09:07:36,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-05 09:07:36,843 INFO L82 PathProgramCache]: Analyzing trace with hash -146791752, now seen corresponding path program 1 times
[2018-10-05 09:07:36,844 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-10-05 09:07:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-05 09:07:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-05 09:07:36,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-05 09:07:36,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-10-05 09:07:36,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-10-05 09:07:36,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-10-05 09:07:36,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-10-05 09:07:36,879 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 3 states.
[2018-10-05 09:07:36,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-05 09:07:36,918 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions.
[2018-10-05 09:07:36,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-10-05 09:07:36,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7
[2018-10-05 09:07:36,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-05 09:07:36,919 INFO L225 Difference]: With dead ends: 13
[2018-10-05 09:07:36,919 INFO L226 Difference]: Without dead ends: 12
[2018-10-05 09:07:36,921 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-10-05 09:07:36,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2018-10-05 09:07:36,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11.
[2018-10-05 09:07:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2018-10-05 09:07:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions.
[2018-10-05 09:07:36,923 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7
[2018-10-05 09:07:36,924 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-05 09:07:36,924 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions.
[2018-10-05 09:07:36,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-10-05 09:07:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions.
[2018-10-05 09:07:36,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-10-05 09:07:36,925 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-05 09:07:36,925 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-05 09:07:36,925 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]===
[2018-10-05 09:07:36,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-05 09:07:36,926 INFO L82 PathProgramCache]: Analyzing trace with hash -255585865, now seen corresponding path program 1 times
[2018-10-05 09:07:36,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-10-05 09:07:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-05 09:07:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-05 09:07:37,065 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-10-05 09:07:37,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4
[2018-10-05 09:07:37,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-10-05 09:07:37,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-10-05 09:07:37,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2018-10-05 09:07:37,066 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 5 states.
[2018-10-05 09:07:37,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-05 09:07:37,254 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions.
[2018-10-05 09:07:37,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-10-05 09:07:37,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8
[2018-10-05 09:07:37,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-05 09:07:37,256 INFO L225 Difference]: With dead ends: 21
[2018-10-05 09:07:37,256 INFO L226 Difference]: Without dead ends: 21
[2018-10-05 09:07:37,257 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2018-10-05 09:07:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2018-10-05 09:07:37,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 13.
[2018-10-05 09:07:37,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2018-10-05 09:07:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions.
[2018-10-05 09:07:37,261 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 8
[2018-10-05 09:07:37,261 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-05 09:07:37,261 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions.
[2018-10-05 09:07:37,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-10-05 09:07:37,261 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions.
[2018-10-05 09:07:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-10-05 09:07:37,262 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-05 09:07:37,262 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-05 09:07:37,263 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]===
[2018-10-05 09:07:37,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-05 09:07:37,263 INFO L82 PathProgramCache]: Analyzing trace with hash -255585803, now seen corresponding path program 1 times
[2018-10-05 09:07:37,264 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-10-05 09:07:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-05 09:07:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-05 09:07:37,447 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-10-05 09:07:37,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5
[2018-10-05 09:07:37,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-10-05 09:07:37,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-10-05 09:07:37,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-10-05 09:07:37,449 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 6 states.
[2018-10-05 09:07:37,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-05 09:07:37,541 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions.
[2018-10-05 09:07:37,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-10-05 09:07:37,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8
[2018-10-05 09:07:37,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-05 09:07:37,543 INFO L225 Difference]: With dead ends: 18
[2018-10-05 09:07:37,544 INFO L226 Difference]: Without dead ends: 18
[2018-10-05 09:07:37,544 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2018-10-05 09:07:37,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2018-10-05 09:07:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16.
[2018-10-05 09:07:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2018-10-05 09:07:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions.
[2018-10-05 09:07:37,548 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 22 transitions. Word has length 8
[2018-10-05 09:07:37,548 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-05 09:07:37,548 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 22 transitions.
[2018-10-05 09:07:37,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-10-05 09:07:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions.
[2018-10-05 09:07:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2018-10-05 09:07:37,549 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-05 09:07:37,549 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-05 09:07:37,550 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]===
[2018-10-05 09:07:37,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-05 09:07:37,550 INFO L82 PathProgramCache]: Analyzing trace with hash 666772827, now seen corresponding path program 1 times
[2018-10-05 09:07:37,551 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-10-05 09:07:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-05 09:07:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-10-05 09:07:37,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-05 09:07:37,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-10-05 09:07:37,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-10-05 09:07:37,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-10-05 09:07:37,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-10-05 09:07:37,706 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. Second operand 6 states.
[2018-10-05 09:07:37,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-05 09:07:37,774 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions.
[2018-10-05 09:07:37,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-10-05 09:07:37,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9
[2018-10-05 09:07:37,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-05 09:07:37,775 INFO L225 Difference]: With dead ends: 17
[2018-10-05 09:07:37,776 INFO L226 Difference]: Without dead ends: 16
[2018-10-05 09:07:37,777 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2018-10-05 09:07:37,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2018-10-05 09:07:37,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2018-10-05 09:07:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2018-10-05 09:07:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions.
[2018-10-05 09:07:37,780 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 9
[2018-10-05 09:07:37,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-05 09:07:37,781 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions.
[2018-10-05 09:07:37,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-10-05 09:07:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions.
[2018-10-05 09:07:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2018-10-05 09:07:37,782 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-05 09:07:37,782 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-05 09:07:37,782 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]===
[2018-10-05 09:07:37,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-05 09:07:37,783 INFO L82 PathProgramCache]: Analyzing trace with hash 666774749, now seen corresponding path program 1 times
[2018-10-05 09:07:37,784 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-10-05 09:07:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-05 09:07:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-05 09:07:37,853 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-10-05 09:07:37,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3
[2018-10-05 09:07:37,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-10-05 09:07:37,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-10-05 09:07:37,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2018-10-05 09:07:37,855 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand 4 states.
[2018-10-05 09:07:37,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-05 09:07:37,894 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions.
[2018-10-05 09:07:37,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2018-10-05 09:07:37,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9
[2018-10-05 09:07:37,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-05 09:07:37,896 INFO L225 Difference]: With dead ends: 17
[2018-10-05 09:07:37,896 INFO L226 Difference]: Without dead ends: 16
[2018-10-05 09:07:37,897 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2018-10-05 09:07:37,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2018-10-05 09:07:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2018-10-05 09:07:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2018-10-05 09:07:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions.
[2018-10-05 09:07:37,900 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 9
[2018-10-05 09:07:37,900 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-05 09:07:37,900 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions.
[2018-10-05 09:07:37,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-10-05 09:07:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions.
[2018-10-05 09:07:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-10-05 09:07:37,901 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-05 09:07:37,901 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-05 09:07:37,902 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]===
[2018-10-05 09:07:37,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-05 09:07:37,902 INFO L82 PathProgramCache]: Analyzing trace with hash -804887630, now seen corresponding path program 1 times
[2018-10-05 09:07:37,903 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-10-05 09:07:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-05 09:07:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-05 09:07:37,986 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-10-05 09:07:37,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2018-10-05 09:07:37,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-10-05 09:07:37,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-10-05 09:07:37,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2018-10-05 09:07:37,988 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 7 states.
[2018-10-05 09:07:38,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-05 09:07:38,416 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions.
[2018-10-05 09:07:38,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-10-05 09:07:38,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10
[2018-10-05 09:07:38,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-05 09:07:38,418 INFO L225 Difference]: With dead ends: 15
[2018-10-05 09:07:38,418 INFO L226 Difference]: Without dead ends: 15
[2018-10-05 09:07:38,419 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2018-10-05 09:07:38,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2018-10-05 09:07:38,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2018-10-05 09:07:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2018-10-05 09:07:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions.
[2018-10-05 09:07:38,422 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 10
[2018-10-05 09:07:38,422 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-05 09:07:38,422 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions.
[2018-10-05 09:07:38,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-10-05 09:07:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions.
[2018-10-05 09:07:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2018-10-05 09:07:38,423 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-05 09:07:38,423 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-05 09:07:38,424 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]===
[2018-10-05 09:07:38,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-05 09:07:38,424 INFO L82 PathProgramCache]: Analyzing trace with hash 818287296, now seen corresponding path program 1 times
[2018-10-05 09:07:38,425 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-10-05 09:07:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-05 09:07:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-10-05 09:07:38,509 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-10-05 09:07:38,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5
[2018-10-05 09:07:38,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-10-05 09:07:38,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-10-05 09:07:38,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2018-10-05 09:07:38,510 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand 6 states.
[2018-10-05 09:07:38,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-05 09:07:38,634 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions.
[2018-10-05 09:07:38,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-10-05 09:07:38,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11
[2018-10-05 09:07:38,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-05 09:07:38,635 INFO L225 Difference]: With dead ends: 14
[2018-10-05 09:07:38,635 INFO L226 Difference]: Without dead ends: 0
[2018-10-05 09:07:38,636 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2018-10-05 09:07:38,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-10-05 09:07:38,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-10-05 09:07:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-10-05 09:07:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-10-05 09:07:38,637 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11
[2018-10-05 09:07:38,637 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-05 09:07:38,637 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-10-05 09:07:38,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-10-05 09:07:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-10-05 09:07:38,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2018-10-05 09:07:38,642 INFO L202 PluginConnector]: Adding new model speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 09:07:38 BoogieIcfgContainer
[2018-10-05 09:07:38,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-10-05 09:07:38,643 INFO L168 Benchmark]: Toolchain (without parser) took 2993.42 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 17.8 GB.
[2018-10-05 09:07:38,645 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 17.8 GB.
[2018-10-05 09:07:38,646 INFO L168 Benchmark]: Boogie Preprocessor took 43.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 17.8 GB.
[2018-10-05 09:07:38,647 INFO L168 Benchmark]: RCFGBuilder took 281.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 17.8 GB.
[2018-10-05 09:07:38,648 INFO L168 Benchmark]: TraceAbstraction took 2664.74 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: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 17.8 GB.
[2018-10-05 09:07:38,652 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 17.8 GB.
* Boogie Preprocessor took 43.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 17.8 GB.
* RCFGBuilder took 281.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 17.8 GB.
* TraceAbstraction took 2664.74 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: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 17.8 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 32]: assertion always holds
For all program executions holds that assertion always holds at this location
- PositiveResult [Line: 33]: assertion always holds
For all program executions holds that assertion always holds at this location
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 14 locations, 2 error locations. SAFE Result, 2.6s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46 SDtfs, 89 SDslu, 45 SDs, 0 SdLazy, 176 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=4, 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, 8 MinimizatonAttempts, 19 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 2554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 3/12 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/speedup-poc03-02.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-05_09-07-38-663.csv
Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/speedup-poc03-02.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-05_09-07-38-663.csv
Received shutdown request...