java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/bhmr2007.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d769cf3 [2018-10-15 15:23:32,417 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 15:23:32,419 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 15:23:32,432 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 15:23:32,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 15:23:32,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 15:23:32,434 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 15:23:32,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 15:23:32,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 15:23:32,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 15:23:32,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-15 15:23:32,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-15 15:23:32,457 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-15 15:23:32,458 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-15 15:23:32,459 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-15 15:23:32,459 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-15 15:23:32,460 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-15 15:23:32,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-15 15:23:32,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-15 15:23:32,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-15 15:23:32,467 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-15 15:23:32,483 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 15:23:32,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 15:23:32,485 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 15:23:32,486 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 15:23:32,488 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 15:23:32,489 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 15:23:32,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 15:23:32,490 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 15:23:32,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 15:23:32,491 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 15:23:32,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 15:23:32,491 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 15:23:32,491 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 15:23:32,493 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 15:23:32,493 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 15:23:32,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 15:23:32,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 15:23:32,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 15:23:32,594 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 15:23:32,595 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 15:23:32,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/bhmr2007.c.i_3.bpl [2018-10-15 15:23:32,596 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/bhmr2007.c.i_3.bpl' [2018-10-15 15:23:32,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 15:23:32,657 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-15 15:23:32,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 15:23:32,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 15:23:32,658 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 15:23:32,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:23:32" (1/1) ... [2018-10-15 15:23:32,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:23:32" (1/1) ... [2018-10-15 15:23:32,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:23:32" (1/1) ... [2018-10-15 15:23:32,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:23:32" (1/1) ... [2018-10-15 15:23:32,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:23:32" (1/1) ... [2018-10-15 15:23:32,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:23:32" (1/1) ... [2018-10-15 15:23:32,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:23:32" (1/1) ... [2018-10-15 15:23:32,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 15:23:32,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 15:23:32,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 15:23:32,708 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 15:23:32,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:23:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-15 15:23:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 15:23:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 15:23:33,339 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 15:23:33,340 INFO L202 PluginConnector]: Adding new model bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:23:33 BoogieIcfgContainer [2018-10-15 15:23:33,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 15:23:33,341 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-15 15:23:33,341 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-15 15:23:33,342 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-15 15:23:33,345 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:23:33" (1/1) ... [2018-10-15 15:23:33,350 WARN L219 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-10-15 15:23:33,367 INFO L202 PluginConnector]: Adding new model bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:23:33 BasicIcfg [2018-10-15 15:23:33,367 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-15 15:23:33,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 15:23:33,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 15:23:33,372 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 15:23:33,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:23:32" (1/3) ... [2018-10-15 15:23:33,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab76ef1 and model type bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:23:33, skipping insertion in model container [2018-10-15 15:23:33,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:23:33" (2/3) ... [2018-10-15 15:23:33,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab76ef1 and model type bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:23:33, skipping insertion in model container [2018-10-15 15:23:33,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:23:33" (3/3) ... [2018-10-15 15:23:33,377 INFO L112 eAbstractionObserver]: Analyzing ICFG bhmr2007.c.i_3.bplleft_unchanged_by_heapseparator [2018-10-15 15:23:33,388 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 15:23:33,398 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 15:23:33,414 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 15:23:33,441 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 15:23:33,442 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 15:23:33,442 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 15:23:33,442 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 15:23:33,442 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 15:23:33,443 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 15:23:33,443 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 15:23:33,443 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 15:23:33,443 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 15:23:33,458 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-10-15 15:23:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-15 15:23:33,467 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:23:33,468 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] [2018-10-15 15:23:33,469 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:23:33,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:23:33,476 INFO L82 PathProgramCache]: Analyzing trace with hash -65007760, now seen corresponding path program 1 times [2018-10-15 15:23:33,529 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:23:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:23:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:23:34,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:23:34,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-15 15:23:34,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-15 15:23:34,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-15 15:23:34,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-15 15:23:34,300 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 10 states. [2018-10-15 15:23:34,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:23:34,925 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-10-15 15:23:34,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-15 15:23:34,928 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-10-15 15:23:34,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:23:34,940 INFO L225 Difference]: With dead ends: 40 [2018-10-15 15:23:34,941 INFO L226 Difference]: Without dead ends: 36 [2018-10-15 15:23:34,943 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2018-10-15 15:23:34,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-10-15 15:23:34,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2018-10-15 15:23:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-15 15:23:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-10-15 15:23:34,984 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 21 [2018-10-15 15:23:34,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:23:34,984 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-10-15 15:23:34,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-15 15:23:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-10-15 15:23:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-15 15:23:34,986 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:23:34,986 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] [2018-10-15 15:23:34,987 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:23:34,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:23:34,987 INFO L82 PathProgramCache]: Analyzing trace with hash 857142777, now seen corresponding path program 1 times [2018-10-15 15:23:34,989 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:23:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:23:35,640 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 14 [2018-10-15 15:23:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:23:35,961 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 15:23:35,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-10-15 15:23:35,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-15 15:23:35,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-15 15:23:35,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-15 15:23:35,965 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 12 states. [2018-10-15 15:23:36,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:23:36,504 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-10-15 15:23:36,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-15 15:23:36,506 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-10-15 15:23:36,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:23:36,508 INFO L225 Difference]: With dead ends: 46 [2018-10-15 15:23:36,508 INFO L226 Difference]: Without dead ends: 42 [2018-10-15 15:23:36,511 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2018-10-15 15:23:36,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-10-15 15:23:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2018-10-15 15:23:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-10-15 15:23:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-10-15 15:23:36,519 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 29 [2018-10-15 15:23:36,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:23:36,520 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-10-15 15:23:36,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-15 15:23:36,520 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-10-15 15:23:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-15 15:23:36,521 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:23:36,522 INFO L375 BasicCegarLoop]: trace histogram [3, 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] [2018-10-15 15:23:36,522 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:23:36,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:23:36,523 INFO L82 PathProgramCache]: Analyzing trace with hash -395885694, now seen corresponding path program 2 times [2018-10-15 15:23:36,524 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:23:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:23:37,014 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2018-10-15 15:23:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-15 15:23:37,090 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 15:23:37,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-15 15:23:37,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-15 15:23:37,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-15 15:23:37,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-10-15 15:23:37,091 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 14 states. [2018-10-15 15:23:37,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:23:37,816 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-10-15 15:23:37,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-15 15:23:37,817 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2018-10-15 15:23:37,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:23:37,817 INFO L225 Difference]: With dead ends: 35 [2018-10-15 15:23:37,818 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 15:23:37,819 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2018-10-15 15:23:37,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 15:23:37,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 15:23:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 15:23:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 15:23:37,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-10-15 15:23:37,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:23:37,821 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 15:23:37,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-15 15:23:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 15:23:37,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 15:23:37,826 INFO L202 PluginConnector]: Adding new model bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:23:37 BasicIcfg [2018-10-15 15:23:37,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 15:23:37,827 INFO L168 Benchmark]: Toolchain (without parser) took 5170.93 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: 232.6 MB). Peak memory consumption was 232.6 MB. Max. memory is 7.1 GB. [2018-10-15 15:23:37,828 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 7.1 GB. [2018-10-15 15:23:37,829 INFO L168 Benchmark]: Boogie Preprocessor took 50.08 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. [2018-10-15 15:23:37,830 INFO L168 Benchmark]: RCFGBuilder took 632.26 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 7.1 GB. [2018-10-15 15:23:37,831 INFO L168 Benchmark]: IcfgTransformer took 26.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 15:23:37,832 INFO L168 Benchmark]: TraceAbstraction took 4457.78 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: 211.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 7.1 GB. [2018-10-15 15:23:37,836 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 7.1 GB. * Boogie Preprocessor took 50.08 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 632.26 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 7.1 GB. * IcfgTransformer took 26.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * TraceAbstraction took 4457.78 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: 211.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: 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, 30 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 61 SDtfs, 135 SDslu, 293 SDs, 0 SdLazy, 297 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 0.0s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 26940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/14 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/bhmr2007.c.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-15_15-23-37-849.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/bhmr2007.c.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_15-23-37-849.csv Received shutdown request...