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/20181010-MemSafetyPathprograms/cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 20:59:14,045 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 20:59:14,047 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 20:59:14,058 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 20:59:14,059 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 20:59:14,060 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 20:59:14,061 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 20:59:14,064 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 20:59:14,065 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 20:59:14,067 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 20:59:14,070 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 20:59:14,070 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 20:59:14,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 20:59:14,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 20:59:14,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 20:59:14,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 20:59:14,087 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 20:59:14,090 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 20:59:14,094 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 20:59:14,095 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 20:59:14,097 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 20:59:14,100 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 20:59:14,103 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 20:59:14,103 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 20:59:14,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 20:59:14,104 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 20:59:14,105 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 20:59:14,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 20:59:14,106 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 20:59:14,109 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 20:59:14,110 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 20:59:14,111 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 20:59:14,111 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 20:59:14,111 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 20:59:14,112 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 20:59:14,113 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 20:59:14,113 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 20:59:14,132 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 20:59:14,132 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 20:59:14,133 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 20:59:14,133 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 20:59:14,134 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 20:59:14,134 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 20:59:14,134 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 20:59:14,135 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 20:59:14,135 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 20:59:14,136 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 20:59:14,136 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 20:59:14,136 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 20:59:14,136 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 20:59:14,137 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 20:59:14,137 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 20:59:14,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 20:59:14,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 20:59:14,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 20:59:14,229 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 20:59:14,230 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 20:59:14,230 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl [2018-10-12 20:59:14,231 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl' [2018-10-12 20:59:14,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 20:59:14,317 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 20:59:14,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 20:59:14,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 20:59:14,318 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 20:59:14,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:14" (1/1) ... [2018-10-12 20:59:14,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:14" (1/1) ... [2018-10-12 20:59:14,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:14" (1/1) ... [2018-10-12 20:59:14,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:14" (1/1) ... [2018-10-12 20:59:14,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:14" (1/1) ... [2018-10-12 20:59:14,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:14" (1/1) ... [2018-10-12 20:59:14,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:14" (1/1) ... [2018-10-12 20:59:14,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 20:59:14,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 20:59:14,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 20:59:14,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 20:59:14,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:14" (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 [2018-10-12 20:59:14,428 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 20:59:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 20:59:14,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 20:59:14,913 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 20:59:14,914 INFO L202 PluginConnector]: Adding new model cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:59:14 BoogieIcfgContainer [2018-10-12 20:59:14,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 20:59:14,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 20:59:14,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 20:59:14,919 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 20:59:14,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:14" (1/2) ... [2018-10-12 20:59:14,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642502ec and model type cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:59:14, skipping insertion in model container [2018-10-12 20:59:14,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:59:14" (2/2) ... [2018-10-12 20:59:14,923 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl [2018-10-12 20:59:14,933 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 20:59:14,945 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 20:59:14,971 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 20:59:15,008 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 20:59:15,008 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 20:59:15,009 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 20:59:15,009 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 20:59:15,009 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 20:59:15,009 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 20:59:15,009 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 20:59:15,010 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 20:59:15,010 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 20:59:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-10-12 20:59:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-12 20:59:15,046 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:59:15,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 20:59:15,048 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:59:15,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:59:15,055 INFO L82 PathProgramCache]: Analyzing trace with hash 544881634, now seen corresponding path program 1 times [2018-10-12 20:59:15,122 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:59:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:59:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 20:59:15,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 20:59:15,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-12 20:59:15,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-12 20:59:15,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-12 20:59:15,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-12 20:59:15,688 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 9 states. [2018-10-12 20:59:16,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:59:16,438 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-10-12 20:59:16,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-12 20:59:16,440 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2018-10-12 20:59:16,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:59:16,453 INFO L225 Difference]: With dead ends: 60 [2018-10-12 20:59:16,454 INFO L226 Difference]: Without dead ends: 60 [2018-10-12 20:59:16,457 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-10-12 20:59:16,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-10-12 20:59:16,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 50. [2018-10-12 20:59:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-10-12 20:59:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-10-12 20:59:16,506 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 36 [2018-10-12 20:59:16,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:59:16,506 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-10-12 20:59:16,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-12 20:59:16,507 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-10-12 20:59:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-12 20:59:16,509 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:59:16,509 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 20:59:16,509 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:59:16,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:59:16,510 INFO L82 PathProgramCache]: Analyzing trace with hash -2094234504, now seen corresponding path program 1 times [2018-10-12 20:59:16,511 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:59:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:59:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-12 20:59:17,082 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 20:59:17,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-12 20:59:17,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-12 20:59:17,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-12 20:59:17,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-12 20:59:17,086 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 10 states. [2018-10-12 20:59:17,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:59:17,533 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-10-12 20:59:17,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-12 20:59:17,534 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2018-10-12 20:59:17,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:59:17,535 INFO L225 Difference]: With dead ends: 48 [2018-10-12 20:59:17,535 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 20:59:17,536 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2018-10-12 20:59:17,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 20:59:17,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 20:59:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 20:59:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 20:59:17,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-10-12 20:59:17,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:59:17,538 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 20:59:17,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-12 20:59:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 20:59:17,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 20:59:17,543 INFO L202 PluginConnector]: Adding new model cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:59:17 BoogieIcfgContainer [2018-10-12 20:59:17,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 20:59:17,544 INFO L168 Benchmark]: Toolchain (without parser) took 3229.30 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. [2018-10-12 20:59:17,546 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-10-12 20:59:17,547 INFO L168 Benchmark]: Boogie Preprocessor took 46.32 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. [2018-10-12 20:59:17,548 INFO L168 Benchmark]: RCFGBuilder took 550.04 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. [2018-10-12 20:59:17,549 INFO L168 Benchmark]: TraceAbstraction took 2627.86 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-12 20:59:17,553 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 0.22 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 46.32 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 550.04 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 2627.86 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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, 50 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 59 SDtfs, 314 SDslu, 220 SDs, 0 SdLazy, 230 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, 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, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 12665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_20-59-17-565.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_20-59-17-565.csv Received shutdown request...