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/half_true-unreach-call_true-termination.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 13:04:07,297 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 13:04:07,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 13:04:07,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 13:04:07,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 13:04:07,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 13:04:07,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 13:04:07,315 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 13:04:07,317 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 13:04:07,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 13:04:07,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-15 13:04:07,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-15 13:04:07,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-15 13:04:07,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-15 13:04:07,344 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-15 13:04:07,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-15 13:04:07,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-15 13:04:07,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-15 13:04:07,350 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-15 13:04:07,351 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-15 13:04:07,353 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 13:04:07,363 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 13:04:07,364 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 13:04:07,364 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 13:04:07,365 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 13:04:07,365 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 13:04:07,365 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 13:04:07,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 13:04:07,366 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 13:04:07,366 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 13:04:07,366 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 13:04:07,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 13:04:07,367 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 13:04:07,367 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 13:04:07,368 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 13:04:07,368 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 13:04:07,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 13:04:07,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 13:04:07,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 13:04:07,450 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 13:04:07,451 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 13:04:07,451 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/half_true-unreach-call_true-termination.i_4.bpl [2018-10-15 13:04:07,451 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/half_true-unreach-call_true-termination.i_4.bpl' [2018-10-15 13:04:07,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 13:04:07,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-15 13:04:07,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 13:04:07,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 13:04:07,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 13:04:07,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:07" (1/1) ... [2018-10-15 13:04:07,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:07" (1/1) ... [2018-10-15 13:04:07,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:07" (1/1) ... [2018-10-15 13:04:07,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:07" (1/1) ... [2018-10-15 13:04:07,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:07" (1/1) ... [2018-10-15 13:04:07,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:07" (1/1) ... [2018-10-15 13:04:07,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:07" (1/1) ... [2018-10-15 13:04:07,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 13:04:07,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 13:04:07,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 13:04:07,552 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 13:04:07,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-15 13:04:07,620 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 13:04:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 13:04:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 13:04:07,924 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 13:04:07,925 INFO L202 PluginConnector]: Adding new model half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:07 BoogieIcfgContainer [2018-10-15 13:04:07,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 13:04:07,929 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-15 13:04:07,929 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-15 13:04:07,930 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-15 13:04:07,936 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:07" (1/1) ... [2018-10-15 13:04:07,944 WARN L219 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-10-15 13:04:07,967 INFO L202 PluginConnector]: Adding new model half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 01:04:07 BasicIcfg [2018-10-15 13:04:07,967 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-15 13:04:07,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 13:04:07,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 13:04:07,973 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 13:04:07,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:04:07" (1/3) ... [2018-10-15 13:04:07,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2af1d0 and model type half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:04:07, skipping insertion in model container [2018-10-15 13:04:07,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:07" (2/3) ... [2018-10-15 13:04:07,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2af1d0 and model type half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:04:07, skipping insertion in model container [2018-10-15 13:04:07,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 01:04:07" (3/3) ... [2018-10-15 13:04:07,978 INFO L112 eAbstractionObserver]: Analyzing ICFG half_true-unreach-call_true-termination.i_4.bplleft_unchanged_by_heapseparator [2018-10-15 13:04:07,989 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 13:04:08,001 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 13:04:08,019 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 13:04:08,054 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 13:04:08,054 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 13:04:08,055 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 13:04:08,055 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 13:04:08,055 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 13:04:08,055 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 13:04:08,055 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 13:04:08,056 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 13:04:08,056 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 13:04:08,071 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-10-15 13:04:08,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-15 13:04:08,082 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:04:08,083 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:04:08,087 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:04:08,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:04:08,094 INFO L82 PathProgramCache]: Analyzing trace with hash -748432019, now seen corresponding path program 1 times [2018-10-15 13:04:08,152 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:04:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:04:08,636 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-10-15 13:04:08,867 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11 [2018-10-15 13:04:08,936 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 13:04:08,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 13:04:08,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-15 13:04:08,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-15 13:04:08,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-15 13:04:08,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-15 13:04:08,960 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 9 states. [2018-10-15 13:04:09,189 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2018-10-15 13:04:09,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:04:09,561 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2018-10-15 13:04:09,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-15 13:04:09,565 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-10-15 13:04:09,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:04:09,576 INFO L225 Difference]: With dead ends: 49 [2018-10-15 13:04:09,577 INFO L226 Difference]: Without dead ends: 44 [2018-10-15 13:04:09,579 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-10-15 13:04:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-15 13:04:09,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 25. [2018-10-15 13:04:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-10-15 13:04:09,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-10-15 13:04:09,613 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 16 [2018-10-15 13:04:09,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:04:09,614 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-10-15 13:04:09,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-15 13:04:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-15 13:04:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-15 13:04:09,616 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:04:09,616 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 13:04:09,618 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:04:09,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:04:09,619 INFO L82 PathProgramCache]: Analyzing trace with hash 525444522, now seen corresponding path program 1 times [2018-10-15 13:04:09,620 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:04:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:04:09,973 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 6 [2018-10-15 13:04:10,159 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 13:04:10,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:04:10,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-15 13:04:10,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-15 13:04:10,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-15 13:04:10,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-15 13:04:10,162 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 6 states. [2018-10-15 13:04:10,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:04:10,321 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2018-10-15 13:04:10,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-15 13:04:10,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-10-15 13:04:10,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:04:10,323 INFO L225 Difference]: With dead ends: 36 [2018-10-15 13:04:10,323 INFO L226 Difference]: Without dead ends: 36 [2018-10-15 13:04:10,325 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-15 13:04:10,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-10-15 13:04:10,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2018-10-15 13:04:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-15 13:04:10,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-10-15 13:04:10,331 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 21 [2018-10-15 13:04:10,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:04:10,331 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-10-15 13:04:10,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-15 13:04:10,331 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-10-15 13:04:10,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-15 13:04:10,332 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:04:10,333 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:04:10,333 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:04:10,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:04:10,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1751288947, now seen corresponding path program 2 times [2018-10-15 13:04:10,335 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:04:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:04:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-15 13:04:10,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 13:04:10,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 13:04:10,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 13:04:10,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 13:04:10,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 13:04:10,439 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 3 states. [2018-10-15 13:04:10,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:04:10,478 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-10-15 13:04:10,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 13:04:10,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-15 13:04:10,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:04:10,480 INFO L225 Difference]: With dead ends: 39 [2018-10-15 13:04:10,480 INFO L226 Difference]: Without dead ends: 39 [2018-10-15 13:04:10,481 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 13:04:10,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-15 13:04:10,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 34. [2018-10-15 13:04:10,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-15 13:04:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2018-10-15 13:04:10,488 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 26 [2018-10-15 13:04:10,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:04:10,488 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2018-10-15 13:04:10,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 13:04:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-10-15 13:04:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-15 13:04:10,489 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:04:10,489 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-15 13:04:10,490 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:04:10,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:04:10,490 INFO L82 PathProgramCache]: Analyzing trace with hash 731016461, now seen corresponding path program 1 times [2018-10-15 13:04:10,491 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:04:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:04:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 13:04:11,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:04:11,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-15 13:04:11,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-15 13:04:11,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-15 13:04:11,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-10-15 13:04:11,089 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 14 states. [2018-10-15 13:04:11,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:04:11,661 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2018-10-15 13:04:11,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-15 13:04:11,668 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 29 [2018-10-15 13:04:11,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:04:11,669 INFO L225 Difference]: With dead ends: 56 [2018-10-15 13:04:11,670 INFO L226 Difference]: Without dead ends: 51 [2018-10-15 13:04:11,670 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2018-10-15 13:04:11,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-10-15 13:04:11,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2018-10-15 13:04:11,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-10-15 13:04:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2018-10-15 13:04:11,676 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 29 [2018-10-15 13:04:11,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:04:11,679 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2018-10-15 13:04:11,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-15 13:04:11,679 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2018-10-15 13:04:11,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-15 13:04:11,681 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:04:11,681 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:04:11,681 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:04:11,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:04:11,682 INFO L82 PathProgramCache]: Analyzing trace with hash -2137841296, now seen corresponding path program 2 times [2018-10-15 13:04:11,684 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:04:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:04:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-15 13:04:11,793 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:04:11,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-15 13:04:11,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-15 13:04:11,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-15 13:04:11,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-15 13:04:11,795 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 5 states. [2018-10-15 13:04:12,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:04:12,150 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-10-15 13:04:12,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-15 13:04:12,151 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-10-15 13:04:12,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:04:12,152 INFO L225 Difference]: With dead ends: 41 [2018-10-15 13:04:12,153 INFO L226 Difference]: Without dead ends: 41 [2018-10-15 13:04:12,153 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-15 13:04:12,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-15 13:04:12,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2018-10-15 13:04:12,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-15 13:04:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-10-15 13:04:12,158 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 37 [2018-10-15 13:04:12,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:04:12,159 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-10-15 13:04:12,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-15 13:04:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-10-15 13:04:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-15 13:04:12,160 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:04:12,161 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:04:12,161 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:04:12,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:04:12,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1542697930, now seen corresponding path program 3 times [2018-10-15 13:04:12,162 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:04:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:04:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-15 13:04:12,582 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:04:12,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-15 13:04:12,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-15 13:04:12,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-15 13:04:12,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-10-15 13:04:12,583 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 14 states. [2018-10-15 13:04:13,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:04:13,282 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-10-15 13:04:13,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-15 13:04:13,283 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2018-10-15 13:04:13,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:04:13,284 INFO L225 Difference]: With dead ends: 44 [2018-10-15 13:04:13,284 INFO L226 Difference]: Without dead ends: 44 [2018-10-15 13:04:13,285 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2018-10-15 13:04:13,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-15 13:04:13,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2018-10-15 13:04:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-10-15 13:04:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-10-15 13:04:13,291 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 37 [2018-10-15 13:04:13,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:04:13,291 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-10-15 13:04:13,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-15 13:04:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-10-15 13:04:13,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-15 13:04:13,293 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:04:13,293 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:04:13,293 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:04:13,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:04:13,294 INFO L82 PathProgramCache]: Analyzing trace with hash 179255661, now seen corresponding path program 4 times [2018-10-15 13:04:13,295 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:04:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:04:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-15 13:04:14,150 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:04:14,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-10-15 13:04:14,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-15 13:04:14,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-15 13:04:14,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2018-10-15 13:04:14,152 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 18 states. [2018-10-15 13:04:14,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:04:14,897 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-10-15 13:04:14,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-15 13:04:14,898 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 42 [2018-10-15 13:04:14,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:04:14,899 INFO L225 Difference]: With dead ends: 41 [2018-10-15 13:04:14,899 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 13:04:14,900 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=153, Invalid=839, Unknown=0, NotChecked=0, Total=992 [2018-10-15 13:04:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 13:04:14,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 13:04:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 13:04:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 13:04:14,901 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-10-15 13:04:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:04:14,901 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 13:04:14,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-15 13:04:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 13:04:14,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 13:04:14,906 INFO L202 PluginConnector]: Adding new model half_true-unreach-call_true-termination.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:04:14 BasicIcfg [2018-10-15 13:04:14,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 13:04:14,907 INFO L168 Benchmark]: Toolchain (without parser) took 7406.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 446.8 MB). Peak memory consumption was 446.8 MB. Max. memory is 7.1 GB. [2018-10-15 13:04:14,908 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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 13:04:14,909 INFO L168 Benchmark]: Boogie Preprocessor took 48.66 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 13:04:14,909 INFO L168 Benchmark]: RCFGBuilder took 373.57 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 13:04:14,910 INFO L168 Benchmark]: IcfgTransformer took 38.70 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 13:04:14,911 INFO L168 Benchmark]: TraceAbstraction took 6937.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 425.7 MB). Peak memory consumption was 425.7 MB. Max. memory is 7.1 GB. [2018-10-15 13:04:14,915 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 0.15 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 48.66 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 373.57 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 38.70 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 6937.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 425.7 MB). Peak memory consumption was 425.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: 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, 24 locations, 1 error locations. SAFE Result, 6.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 123 SDtfs, 161 SDslu, 519 SDs, 0 SdLazy, 777 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 17 SyntacticMatches, 6 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 33 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 45597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 31/94 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/half_true-unreach-call_true-termination.i_4.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-15_13-04-14-925.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/half_true-unreach-call_true-termination.i_4.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_13-04-14-925.csv Received shutdown request...