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/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181015-LoopsPathprograms/cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 12:26:31,302 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 12:26:31,304 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 12:26:31,316 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 12:26:31,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 12:26:31,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 12:26:31,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 12:26:31,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 12:26:31,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 12:26:31,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 12:26:31,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-15 12:26:31,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-15 12:26:31,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-15 12:26:31,327 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-15 12:26:31,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-15 12:26:31,328 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-15 12:26:31,329 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-15 12:26:31,331 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-15 12:26:31,333 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-15 12:26:31,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-15 12:26:31,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-15 12:26:31,337 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-15 12:26:31,339 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-15 12:26:31,339 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-15 12:26:31,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-15 12:26:31,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-15 12:26:31,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-15 12:26:31,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-15 12:26:31,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-15 12:26:31,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-15 12:26:31,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-15 12:26:31,346 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-15 12:26:31,346 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-15 12:26:31,347 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-15 12:26:31,349 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-15 12:26:31,349 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-15 12:26:31,350 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 12:26:31,367 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 12:26:31,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 12:26:31,369 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 12:26:31,369 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 12:26:31,369 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 12:26:31,369 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 12:26:31,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 12:26:31,372 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 12:26:31,373 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 12:26:31,373 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 12:26:31,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 12:26:31,373 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 12:26:31,373 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 12:26:31,374 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 12:26:31,375 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 12:26:31,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 12:26:31,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 12:26:31,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 12:26:31,475 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 12:26:31,476 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 12:26:31,476 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl [2018-10-15 12:26:31,477 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl' [2018-10-15 12:26:31,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 12:26:31,540 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-15 12:26:31,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 12:26:31,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 12:26:31,541 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 12:26:31,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:26:31" (1/1) ... [2018-10-15 12:26:31,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:26:31" (1/1) ... [2018-10-15 12:26:31,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:26:31" (1/1) ... [2018-10-15 12:26:31,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:26:31" (1/1) ... [2018-10-15 12:26:31,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:26:31" (1/1) ... [2018-10-15 12:26:31,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:26:31" (1/1) ... [2018-10-15 12:26:31,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:26:31" (1/1) ... [2018-10-15 12:26:31,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 12:26:31,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 12:26:31,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 12:26:31,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 12:26:31,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:26:31" (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 12:26:31,660 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 12:26:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 12:26:31,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 12:26:32,043 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 12:26:32,044 INFO L202 PluginConnector]: Adding new model cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:26:32 BoogieIcfgContainer [2018-10-15 12:26:32,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 12:26:32,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 12:26:32,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 12:26:32,049 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 12:26:32,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:26:31" (1/2) ... [2018-10-15 12:26:32,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab1192a and model type cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:26:32, skipping insertion in model container [2018-10-15 12:26:32,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:26:32" (2/2) ... [2018-10-15 12:26:32,053 INFO L112 eAbstractionObserver]: Analyzing ICFG cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl [2018-10-15 12:26:32,063 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 12:26:32,072 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 12:26:32,091 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 12:26:32,122 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 12:26:32,123 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 12:26:32,123 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 12:26:32,123 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 12:26:32,124 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 12:26:32,124 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 12:26:32,124 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 12:26:32,124 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 12:26:32,124 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 12:26:32,142 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-15 12:26:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-15 12:26:32,151 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:26:32,152 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:26:32,154 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:26:32,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:26:32,160 INFO L82 PathProgramCache]: Analyzing trace with hash 2145719469, now seen corresponding path program 1 times [2018-10-15 12:26:32,228 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:26:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:26:32,373 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 12:26:32,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 12:26:32,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 12:26:32,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 12:26:32,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 12:26:32,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 12:26:32,402 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2018-10-15 12:26:32,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:26:32,550 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-10-15 12:26:32,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 12:26:32,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-15 12:26:32,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:26:32,567 INFO L225 Difference]: With dead ends: 22 [2018-10-15 12:26:32,568 INFO L226 Difference]: Without dead ends: 22 [2018-10-15 12:26:32,570 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 12:26:32,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-10-15 12:26:32,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-10-15 12:26:32,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-10-15 12:26:32,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-10-15 12:26:32,613 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 17 [2018-10-15 12:26:32,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:26:32,614 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-10-15 12:26:32,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 12:26:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-10-15 12:26:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-15 12:26:32,615 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:26:32,615 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 12:26:32,616 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:26:32,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:26:32,616 INFO L82 PathProgramCache]: Analyzing trace with hash 23616111, now seen corresponding path program 1 times [2018-10-15 12:26:32,622 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:26:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:26:33,371 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-10-15 12:26:33,415 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 12:26:33,416 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:26:33,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-10-15 12:26:33,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-15 12:26:33,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-15 12:26:33,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-10-15 12:26:33,419 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 11 states. [2018-10-15 12:26:33,654 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-10-15 12:26:33,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:26:33,843 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-10-15 12:26:33,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-15 12:26:33,844 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2018-10-15 12:26:33,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:26:33,846 INFO L225 Difference]: With dead ends: 31 [2018-10-15 12:26:33,846 INFO L226 Difference]: Without dead ends: 27 [2018-10-15 12:26:33,848 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-10-15 12:26:33,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-10-15 12:26:33,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2018-10-15 12:26:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-10-15 12:26:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-10-15 12:26:33,853 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 21 [2018-10-15 12:26:33,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:26:33,853 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-10-15 12:26:33,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-15 12:26:33,854 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-10-15 12:26:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-15 12:26:33,855 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:26:33,855 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] [2018-10-15 12:26:33,855 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:26:33,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:26:33,856 INFO L82 PathProgramCache]: Analyzing trace with hash -529600719, now seen corresponding path program 2 times [2018-10-15 12:26:33,857 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:26:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:26:34,506 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-15 12:26:34,620 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 12:26:34,620 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:26:34,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-10-15 12:26:34,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-15 12:26:34,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-15 12:26:34,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-10-15 12:26:34,625 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 13 states. [2018-10-15 12:26:35,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:26:35,108 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-10-15 12:26:35,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-15 12:26:35,109 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-10-15 12:26:35,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:26:35,110 INFO L225 Difference]: With dead ends: 24 [2018-10-15 12:26:35,110 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 12:26:35,111 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2018-10-15 12:26:35,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 12:26:35,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 12:26:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 12:26:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 12:26:35,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-10-15 12:26:35,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:26:35,113 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 12:26:35,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-15 12:26:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 12:26:35,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 12:26:35,117 INFO L202 PluginConnector]: Adding new model cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:26:35 BoogieIcfgContainer [2018-10-15 12:26:35,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 12:26:35,119 INFO L168 Benchmark]: Toolchain (without parser) took 3580.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. [2018-10-15 12:26:35,120 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 12:26:35,121 INFO L168 Benchmark]: Boogie Preprocessor took 44.14 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 12:26:35,122 INFO L168 Benchmark]: RCFGBuilder took 458.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-15 12:26:35,123 INFO L168 Benchmark]: TraceAbstraction took 3073.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 126.9 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. [2018-10-15 12:26:35,127 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 44.14 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 458.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3073.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 126.9 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: 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, 23 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 SDtfs, 32 SDslu, 108 SDs, 0 SdLazy, 211 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 8064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/7 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/cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-15_12-26-35-139.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cggmp2005_variant_true-unreach-call_true-termination.c.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_12-26-35-139.csv Received shutdown request...