java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181015-LoopsPathprograms/bhmr2007_true-unreach-call_true-termination.c.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 12:55:21,593 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 12:55:21,595 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 12:55:21,608 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-15 12:55:21,642 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 12:55:21,661 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 12:55:21,661 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 12:55:21,662 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 12:55:21,662 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 12:55:21,662 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 12:55:21,662 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 12:55:21,663 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 12:55:21,663 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 12:55:21,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 12:55:21,664 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 12:55:21,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 12:55:21,665 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 12:55:21,665 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 12:55:21,666 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 12:55:21,666 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 12:55:21,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 12:55:21,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 12:55:21,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 12:55:21,750 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 12:55:21,751 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 12:55:21,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/bhmr2007_true-unreach-call_true-termination.c.i_5.bpl [2018-10-15 12:55:21,752 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/bhmr2007_true-unreach-call_true-termination.c.i_5.bpl' [2018-10-15 12:55:21,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 12:55:21,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-15 12:55:21,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 12:55:21,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 12:55:21,811 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 12:55:21,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:55:21" (1/1) ... [2018-10-15 12:55:21,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:55:21" (1/1) ... [2018-10-15 12:55:21,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:55:21" (1/1) ... [2018-10-15 12:55:21,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:55:21" (1/1) ... [2018-10-15 12:55:21,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:55:21" (1/1) ... [2018-10-15 12:55:21,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:55:21" (1/1) ... [2018-10-15 12:55:21,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:55:21" (1/1) ... [2018-10-15 12:55:21,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 12:55:21,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 12:55:21,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 12:55:21,863 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 12:55:21,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:55:21" (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 12:55:21,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 12:55:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 12:55:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 12:55:22,392 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 12:55:22,393 INFO L202 PluginConnector]: Adding new model bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:22 BoogieIcfgContainer [2018-10-15 12:55:22,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 12:55:22,393 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-15 12:55:22,394 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-15 12:55:22,395 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-15 12:55:22,398 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:22" (1/1) ... [2018-10-15 12:55:22,403 WARN L219 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-10-15 12:55:22,418 INFO L202 PluginConnector]: Adding new model bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 12:55:22 BasicIcfg [2018-10-15 12:55:22,418 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-15 12:55:22,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 12:55:22,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 12:55:22,423 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 12:55:22,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:55:21" (1/3) ... [2018-10-15 12:55:22,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4f9394 and model type bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:55:22, skipping insertion in model container [2018-10-15 12:55:22,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:22" (2/3) ... [2018-10-15 12:55:22,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4f9394 and model type bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:55:22, skipping insertion in model container [2018-10-15 12:55:22,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 12:55:22" (3/3) ... [2018-10-15 12:55:22,426 INFO L112 eAbstractionObserver]: Analyzing ICFG bhmr2007_true-unreach-call_true-termination.c.i_5.bplleft_unchanged_by_heapseparator [2018-10-15 12:55:22,437 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 12:55:22,445 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 12:55:22,459 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 12:55:22,486 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 12:55:22,487 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 12:55:22,487 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 12:55:22,487 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 12:55:22,488 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 12:55:22,488 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 12:55:22,488 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 12:55:22,488 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 12:55:22,488 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 12:55:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-10-15 12:55:22,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-15 12:55:22,512 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:55:22,513 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:55:22,514 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:55:22,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:55:22,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1239799353, now seen corresponding path program 1 times [2018-10-15 12:55:22,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:55:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:55:22,938 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-15 12:55:23,356 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 12:55:23,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 12:55:23,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-15 12:55:23,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-15 12:55:23,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-15 12:55:23,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-15 12:55:23,381 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 10 states. [2018-10-15 12:55:24,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:55:24,016 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-10-15 12:55:24,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-15 12:55:24,018 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2018-10-15 12:55:24,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:55:24,031 INFO L225 Difference]: With dead ends: 43 [2018-10-15 12:55:24,031 INFO L226 Difference]: Without dead ends: 39 [2018-10-15 12:55:24,034 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 12:55:24,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-15 12:55:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2018-10-15 12:55:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-15 12:55:24,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-10-15 12:55:24,075 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 19 [2018-10-15 12:55:24,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:55:24,076 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-10-15 12:55:24,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-15 12:55:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-10-15 12:55:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-15 12:55:24,078 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:55:24,078 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:55:24,078 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:55:24,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:55:24,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1447593384, now seen corresponding path program 1 times [2018-10-15 12:55:24,080 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:55:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:55:24,762 WARN L179 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2018-10-15 12:55:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 12:55:24,935 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:55:24,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-10-15 12:55:24,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-15 12:55:24,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-15 12:55:24,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-15 12:55:24,938 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 12 states. [2018-10-15 12:55:25,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:55:25,567 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2018-10-15 12:55:25,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-15 12:55:25,568 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2018-10-15 12:55:25,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:55:25,570 INFO L225 Difference]: With dead ends: 51 [2018-10-15 12:55:25,570 INFO L226 Difference]: Without dead ends: 47 [2018-10-15 12:55:25,572 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2018-10-15 12:55:25,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-10-15 12:55:25,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 37. [2018-10-15 12:55:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-15 12:55:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-10-15 12:55:25,578 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 26 [2018-10-15 12:55:25,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:55:25,579 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-10-15 12:55:25,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-15 12:55:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-10-15 12:55:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-15 12:55:25,580 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:55:25,580 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:55:25,581 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:55:25,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:55:25,581 INFO L82 PathProgramCache]: Analyzing trace with hash 789264920, now seen corresponding path program 1 times [2018-10-15 12:55:25,582 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:55:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:55:25,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 12:55:25,965 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:55:25,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-10-15 12:55:25,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-15 12:55:25,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-15 12:55:25,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-15 12:55:25,967 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 12 states. [2018-10-15 12:55:26,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:55:26,421 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-10-15 12:55:26,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-15 12:55:26,422 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2018-10-15 12:55:26,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:55:26,423 INFO L225 Difference]: With dead ends: 52 [2018-10-15 12:55:26,424 INFO L226 Difference]: Without dead ends: 48 [2018-10-15 12:55:26,424 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2018-10-15 12:55:26,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-15 12:55:26,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 40. [2018-10-15 12:55:26,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-10-15 12:55:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2018-10-15 12:55:26,430 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 26 [2018-10-15 12:55:26,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:55:26,431 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2018-10-15 12:55:26,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-15 12:55:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2018-10-15 12:55:26,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-15 12:55:26,432 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:55:26,432 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-15 12:55:26,433 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:55:26,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:55:26,433 INFO L82 PathProgramCache]: Analyzing trace with hash -506870439, now seen corresponding path program 2 times [2018-10-15 12:55:26,434 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:55:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:55:27,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-15 12:55:27,205 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:55:27,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-15 12:55:27,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-15 12:55:27,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-15 12:55:27,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-10-15 12:55:27,207 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 14 states. [2018-10-15 12:55:28,327 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-10-15 12:55:28,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:55:28,472 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2018-10-15 12:55:28,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-15 12:55:28,472 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-10-15 12:55:28,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:55:28,474 INFO L225 Difference]: With dead ends: 56 [2018-10-15 12:55:28,474 INFO L226 Difference]: Without dead ends: 52 [2018-10-15 12:55:28,476 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2018-10-15 12:55:28,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-10-15 12:55:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2018-10-15 12:55:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-15 12:55:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-10-15 12:55:28,481 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 33 [2018-10-15 12:55:28,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:55:28,481 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-10-15 12:55:28,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-15 12:55:28,482 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-10-15 12:55:28,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-15 12:55:28,483 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:55:28,483 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:55:28,483 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:55:28,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:55:28,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1729987865, now seen corresponding path program 1 times [2018-10-15 12:55:28,485 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:55:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:55:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-15 12:55:28,813 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:55:28,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-15 12:55:28,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-15 12:55:28,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-15 12:55:28,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-10-15 12:55:28,814 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 14 states. [2018-10-15 12:55:29,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:55:29,474 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2018-10-15 12:55:29,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-15 12:55:29,476 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-10-15 12:55:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:55:29,477 INFO L225 Difference]: With dead ends: 63 [2018-10-15 12:55:29,478 INFO L226 Difference]: Without dead ends: 59 [2018-10-15 12:55:29,479 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=118, Invalid=638, Unknown=0, NotChecked=0, Total=756 [2018-10-15 12:55:29,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-10-15 12:55:29,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 41. [2018-10-15 12:55:29,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-15 12:55:29,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-10-15 12:55:29,484 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 33 [2018-10-15 12:55:29,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:55:29,484 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-10-15 12:55:29,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-15 12:55:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-10-15 12:55:29,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-15 12:55:29,485 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:55:29,486 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:55:29,486 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:55:29,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:55:29,487 INFO L82 PathProgramCache]: Analyzing trace with hash 846384537, now seen corresponding path program 2 times [2018-10-15 12:55:29,487 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:55:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:55:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-15 12:55:29,837 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:55:29,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-15 12:55:29,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-15 12:55:29,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-15 12:55:29,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-10-15 12:55:29,839 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 14 states. [2018-10-15 12:55:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:55:30,726 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2018-10-15 12:55:30,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-15 12:55:30,729 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-10-15 12:55:30,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:55:30,730 INFO L225 Difference]: With dead ends: 86 [2018-10-15 12:55:30,731 INFO L226 Difference]: Without dead ends: 78 [2018-10-15 12:55:30,731 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=148, Invalid=782, Unknown=0, NotChecked=0, Total=930 [2018-10-15 12:55:30,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-10-15 12:55:30,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 54. [2018-10-15 12:55:30,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-10-15 12:55:30,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-10-15 12:55:30,738 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 33 [2018-10-15 12:55:30,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:55:30,739 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-10-15 12:55:30,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-15 12:55:30,739 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-10-15 12:55:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-15 12:55:30,740 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:55:30,740 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:55:30,740 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:55:30,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:55:30,741 INFO L82 PathProgramCache]: Analyzing trace with hash -2111352968, now seen corresponding path program 3 times [2018-10-15 12:55:30,742 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:55:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:55:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-15 12:55:31,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:55:31,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-10-15 12:55:31,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-15 12:55:31,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-15 12:55:31,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-10-15 12:55:31,141 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 15 states. [2018-10-15 12:55:31,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:55:31,807 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-10-15 12:55:31,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-15 12:55:31,807 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 40 [2018-10-15 12:55:31,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:55:31,808 INFO L225 Difference]: With dead ends: 60 [2018-10-15 12:55:31,808 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 12:55:31,809 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=134, Invalid=736, Unknown=0, NotChecked=0, Total=870 [2018-10-15 12:55:31,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 12:55:31,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 12:55:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 12:55:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 12:55:31,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-10-15 12:55:31,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:55:31,811 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 12:55:31,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-15 12:55:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 12:55:31,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 12:55:31,816 INFO L202 PluginConnector]: Adding new model bhmr2007_true-unreach-call_true-termination.c.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:55:31 BasicIcfg [2018-10-15 12:55:31,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 12:55:31,817 INFO L168 Benchmark]: Toolchain (without parser) took 10008.54 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 49.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 112.0 MB). Peak memory consumption was 161.3 MB. Max. memory is 7.1 GB. [2018-10-15 12:55:31,819 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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 12:55:31,819 INFO L168 Benchmark]: Boogie Preprocessor took 51.37 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 12:55:31,820 INFO L168 Benchmark]: RCFGBuilder took 530.31 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-15 12:55:31,820 INFO L168 Benchmark]: IcfgTransformer took 25.05 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 12:55:31,821 INFO L168 Benchmark]: TraceAbstraction took 9397.03 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 49.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 93.0 MB). Peak memory consumption was 142.3 MB. Max. memory is 7.1 GB. [2018-10-15 12:55:31,825 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 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 530.31 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * IcfgTransformer took 25.05 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 9397.03 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 49.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 93.0 MB). Peak memory consumption was 142.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: 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, 29 locations, 1 error locations. SAFE Result, 9.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 148 SDtfs, 357 SDslu, 922 SDs, 0 SdLazy, 1078 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=6, 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, 7 MinimizatonAttempts, 77 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 70516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 9/41 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_true-unreach-call_true-termination.c.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-15_12-55-31-836.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/bhmr2007_true-unreach-call_true-termination.c.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_12-55-31-836.csv Received shutdown request...