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/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc03-02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d80e71f [2018-10-13 17:51:51,252 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-13 17:51:51,254 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-13 17:51:51,270 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-13 17:51:51,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-13 17:51:51,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-13 17:51:51,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-13 17:51:51,275 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-13 17:51:51,277 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-13 17:51:51,278 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-13 17:51:51,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-13 17:51:51,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-13 17:51:51,281 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-13 17:51:51,282 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-13 17:51:51,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-13 17:51:51,286 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-13 17:51:51,287 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-13 17:51:51,289 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-13 17:51:51,299 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-13 17:51:51,300 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-13 17:51:51,303 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-13 17:51:51,304 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-13 17:51:51,310 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-13 17:51:51,310 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-13 17:51:51,311 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-13 17:51:51,311 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-13 17:51:51,312 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-13 17:51:51,314 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-13 17:51:51,315 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-13 17:51:51,316 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-13 17:51:51,317 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-13 17:51:51,317 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-13 17:51:51,322 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-13 17:51:51,338 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-13 17:51:51,338 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-13 17:51:51,339 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-13 17:51:51,339 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-13 17:51:51,339 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-13 17:51:51,339 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-13 17:51:51,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-13 17:51:51,340 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-13 17:51:51,340 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-13 17:51:51,341 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-13 17:51:51,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-13 17:51:51,341 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-13 17:51:51,342 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-13 17:51:51,342 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-13 17:51:51,343 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-13 17:51:51,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-13 17:51:51,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-13 17:51:51,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-13 17:51:51,432 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-13 17:51:51,432 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-13 17:51:51,433 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc03-02.bpl [2018-10-13 17:51:51,433 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc03-02.bpl' [2018-10-13 17:51:51,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-13 17:51:51,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-13 17:51:51,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-13 17:51:51,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-13 17:51:51,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-13 17:51:51,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.10 05:51:51" (1/1) ... [2018-10-13 17:51:51,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.10 05:51:51" (1/1) ... [2018-10-13 17:51:51,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.10 05:51:51" (1/1) ... [2018-10-13 17:51:51,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.10 05:51:51" (1/1) ... [2018-10-13 17:51:51,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.10 05:51:51" (1/1) ... [2018-10-13 17:51:51,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.10 05:51:51" (1/1) ... [2018-10-13 17:51:51,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.10 05:51:51" (1/1) ... [2018-10-13 17:51:51,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-13 17:51:51,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-13 17:51:51,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-13 17:51:51,541 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-13 17:51:51,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.10 05:51:51" (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 [2018-10-13 17:51:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-13 17:51:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-13 17:51:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-13 17:51:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-13 17:51:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-10-13 17:51:51,928 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-13 17:51:51,929 INFO L202 PluginConnector]: Adding new model speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:51:51 BoogieIcfgContainer [2018-10-13 17:51:51,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-13 17:51:51,930 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-13 17:51:51,930 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-13 17:51:51,931 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-13 17:51:51,935 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:51:51" (1/1) ... [2018-10-13 17:51:51,943 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-13 17:51:51,943 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-13 17:51:51,979 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-13 17:51:52,036 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-13 17:51:52,052 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-13 17:51:52,122 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-13 17:51:54,121 INFO L315 AbstractInterpreter]: Visited 16 different actions 36 times. Merged at 10 different actions 18 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 13 variables. [2018-10-13 17:51:54,123 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-13 17:51:54,132 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-13 17:51:54,256 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-13 17:51:54,257 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int] [2018-10-13 17:51:54,261 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-13 17:51:54,261 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 4 [2018-10-13 17:51:54,261 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-13 17:51:54,263 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-13 17:51:54,289 INFO L202 PluginConnector]: Adding new model speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 13.10 05:51:54 BasicIcfg [2018-10-13 17:51:54,289 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-13 17:51:54,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-13 17:51:54,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-13 17:51:54,297 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-13 17:51:54,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.10 05:51:51" (1/3) ... [2018-10-13 17:51:54,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100b89f2 and model type speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:51:54, skipping insertion in model container [2018-10-13 17:51:54,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:51:51" (2/3) ... [2018-10-13 17:51:54,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100b89f2 and model type speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:51:54, skipping insertion in model container [2018-10-13 17:51:54,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 13.10 05:51:54" (3/3) ... [2018-10-13 17:51:54,301 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-13 17:51:54,327 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-13 17:51:54,342 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-10-13 17:51:54,381 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-10-13 17:51:54,421 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-13 17:51:54,422 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-13 17:51:54,422 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-13 17:51:54,423 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-13 17:51:54,423 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-13 17:51:54,423 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-13 17:51:54,423 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-13 17:51:54,424 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-13 17:51:54,424 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-13 17:51:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2018-10-13 17:51:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-13 17:51:54,444 INFO L367 BasicCegarLoop]: Found error trace [2018-10-13 17:51:54,445 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-13 17:51:54,446 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2018-10-13 17:51:54,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-13 17:51:54,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1778433114, now seen corresponding path program 1 times [2018-10-13 17:51:54,515 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-13 17:51:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-13 17:51:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-13 17:51:54,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-13 17:51:54,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-13 17:51:54,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-13 17:51:54,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-13 17:51:54,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-13 17:51:54,692 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2018-10-13 17:51:54,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-13 17:51:54,761 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2018-10-13 17:51:54,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-13 17:51:54,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-10-13 17:51:54,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-13 17:51:54,772 INFO L225 Difference]: With dead ends: 20 [2018-10-13 17:51:54,772 INFO L226 Difference]: Without dead ends: 14 [2018-10-13 17:51:54,774 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 [2018-10-13 17:51:54,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-10-13 17:51:54,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2018-10-13 17:51:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-10-13 17:51:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2018-10-13 17:51:54,864 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 6 [2018-10-13 17:51:54,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-13 17:51:54,864 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-10-13 17:51:54,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-13 17:51:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-13 17:51:54,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-13 17:51:54,865 INFO L367 BasicCegarLoop]: Found error trace [2018-10-13 17:51:54,865 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-13 17:51:54,866 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2018-10-13 17:51:54,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-13 17:51:54,868 INFO L82 PathProgramCache]: Analyzing trace with hash 703148411, now seen corresponding path program 1 times [2018-10-13 17:51:54,869 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-13 17:51:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-13 17:51:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-13 17:51:54,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-13 17:51:54,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-13 17:51:54,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-13 17:51:54,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-13 17:51:54,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-13 17:51:54,957 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 3 states. [2018-10-13 17:51:55,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-13 17:51:55,005 INFO L93 Difference]: Finished difference Result 18 states and 24 transitions. [2018-10-13 17:51:55,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-13 17:51:55,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-10-13 17:51:55,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-13 17:51:55,008 INFO L225 Difference]: With dead ends: 18 [2018-10-13 17:51:55,008 INFO L226 Difference]: Without dead ends: 17 [2018-10-13 17:51:55,008 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 [2018-10-13 17:51:55,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-10-13 17:51:55,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2018-10-13 17:51:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-10-13 17:51:55,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2018-10-13 17:51:55,012 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 22 transitions. Word has length 7 [2018-10-13 17:51:55,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-13 17:51:55,013 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 22 transitions. [2018-10-13 17:51:55,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-13 17:51:55,013 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-10-13 17:51:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-13 17:51:55,013 INFO L367 BasicCegarLoop]: Found error trace [2018-10-13 17:51:55,014 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-13 17:51:55,014 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2018-10-13 17:51:55,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-13 17:51:55,014 INFO L82 PathProgramCache]: Analyzing trace with hash 322762339, now seen corresponding path program 1 times [2018-10-13 17:51:55,015 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-13 17:51:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-13 17:51:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-13 17:51:55,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-13 17:51:55,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-10-13 17:51:55,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-13 17:51:55,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-13 17:51:55,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-13 17:51:55,089 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. Second operand 4 states. [2018-10-13 17:51:55,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-13 17:51:55,124 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2018-10-13 17:51:55,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-13 17:51:55,125 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-13 17:51:55,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-13 17:51:55,126 INFO L225 Difference]: With dead ends: 17 [2018-10-13 17:51:55,126 INFO L226 Difference]: Without dead ends: 17 [2018-10-13 17:51:55,126 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 [2018-10-13 17:51:55,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-10-13 17:51:55,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 11. [2018-10-13 17:51:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-10-13 17:51:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-10-13 17:51:55,129 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2018-10-13 17:51:55,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-13 17:51:55,129 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-10-13 17:51:55,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-13 17:51:55,129 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-10-13 17:51:55,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-13 17:51:55,130 INFO L367 BasicCegarLoop]: Found error trace [2018-10-13 17:51:55,130 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-13 17:51:55,130 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2018-10-13 17:51:55,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-13 17:51:55,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1415698975, now seen corresponding path program 1 times [2018-10-13 17:51:55,132 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-13 17:51:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-13 17:51:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-13 17:51:55,202 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-13 17:51:55,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-10-13 17:51:55,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-13 17:51:55,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-13 17:51:55,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-13 17:51:55,204 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 4 states. [2018-10-13 17:51:55,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-13 17:51:55,217 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2018-10-13 17:51:55,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-13 17:51:55,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-10-13 17:51:55,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-13 17:51:55,218 INFO L225 Difference]: With dead ends: 10 [2018-10-13 17:51:55,218 INFO L226 Difference]: Without dead ends: 0 [2018-10-13 17:51:55,219 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 [2018-10-13 17:51:55,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-13 17:51:55,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-13 17:51:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-13 17:51:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-13 17:51:55,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-10-13 17:51:55,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-13 17:51:55,220 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-13 17:51:55,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-13 17:51:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-13 17:51:55,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-13 17:51:55,225 INFO L202 PluginConnector]: Adding new model speedup-poc03-02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:51:55 BasicIcfg [2018-10-13 17:51:55,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-13 17:51:55,226 INFO L168 Benchmark]: Toolchain (without parser) took 3741.30 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 826.3 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -832.2 MB). There was no memory consumed. Max. memory is 17.8 GB. [2018-10-13 17:51:55,227 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. [2018-10-13 17:51:55,228 INFO L168 Benchmark]: Boogie Preprocessor took 54.06 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. [2018-10-13 17:51:55,228 INFO L168 Benchmark]: RCFGBuilder took 388.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 17.8 GB. [2018-10-13 17:51:55,229 INFO L168 Benchmark]: IcfgTransformer took 2359.79 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 51.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -795.8 kB). Peak memory consumption was 50.6 MB. Max. memory is 17.8 GB. [2018-10-13 17:51:55,230 INFO L168 Benchmark]: TraceAbstraction took 934.14 ms. Allocated memory was 1.6 GB in the beginning and 2.4 GB in the end (delta: 774.9 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -852.5 MB). There was no memory consumed. Max. memory is 17.8 GB. [2018-10-13 17:51:55,234 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 54.06 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 388.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 17.8 GB. * IcfgTransformer took 2359.79 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 51.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -795.8 kB). Peak memory consumption was 50.6 MB. Max. memory is 17.8 GB. * TraceAbstraction took 934.14 ms. Allocated memory was 1.6 GB in the beginning and 2.4 GB in the end (delta: 774.9 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -852.5 MB). There was no memory consumed. Max. memory is 17.8 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 14 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 6 LocStat_NO_SUPPORTING_EQUALITIES : 65 LocStat_NO_SUPPORTING_DISEQUALITIES : 78 LocStat_NO_DISJUNCTIONS : -28 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 18 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 19 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 18 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 1386.53 APPLY_RETURN(MILLISECONDS) : 230.69 #APPLY_NORMAL : 32 #APPLY_RETURN : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 16 different actions 36 times. Merged at 10 different actions 18 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 13 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 2 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : null COUNT_ARRAY_READS for [#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 33]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 32]: 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, 0.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 19 SDslu, 37 SDs, 0 SdLazy, 29 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-13_17-51-55-250.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/speedup-poc03-02.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-13_17-51-55-250.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/speedup-poc03-02.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-13_17-51-55-250.csv The toolchain threw an exception: class java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" RESULT: An exception occured during the execution of Ultimate: The toolchain threw an exception java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:283) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark.createCsvProvider(AbsIntBenchmark.java:42) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.writeCsvLogs(CommandLineController.java:342) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.displayToolchainResults(CommandLineController.java:325) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:343) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:102) at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:296) at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:288) at java.lang.reflect.Field.get(Field.java:390) at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:275) ... 6 more Received shutdown request...