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/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:32:18,204 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:32:18,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:32:18,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:32:18,220 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:32:18,222 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:32:18,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:32:18,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:32:18,227 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:32:18,227 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:32:18,228 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:32:18,229 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:32:18,230 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:32:18,230 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:32:18,232 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:32:18,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:32:18,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:32:18,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:32:18,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:32:18,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:32:18,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:32:18,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:32:18,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:32:18,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:32:18,244 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:32:18,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:32:18,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:32:18,247 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:32:18,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:32:18,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:32:18,249 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:32:18,249 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 15:32:18,250 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 15:32:18,250 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 15:32:18,251 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 15:32:18,252 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 15:32:18,252 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:32:18,262 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:32:18,262 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:32:18,263 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:32:18,263 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:32:18,263 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:32:18,264 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:32:18,264 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:32:18,265 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:32:18,265 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:32:18,265 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:32:18,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:32:18,265 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:32:18,266 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:32:18,266 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:32:18,268 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:32:18,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:32:18,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:32:18,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:32:18,337 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:32:18,337 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:32:18,338 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-10 15:32:18,338 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-10 15:32:18,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:32:18,412 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:32:18,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:32:18,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:32:18,413 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:32:18,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:32:18" (1/1) ... [2018-10-10 15:32:18,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:32:18" (1/1) ... [2018-10-10 15:32:18,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:32:18" (1/1) ... [2018-10-10 15:32:18,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:32:18" (1/1) ... [2018-10-10 15:32:18,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:32:18" (1/1) ... [2018-10-10 15:32:18,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:32:18" (1/1) ... [2018-10-10 15:32:18,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:32:18" (1/1) ... [2018-10-10 15:32:18,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:32:18,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:32:18,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:32:18,473 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:32:18,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:32:18" (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 [2018-10-10 15:32:18,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:32:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:32:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:32:19,358 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:32:19,359 INFO L202 PluginConnector]: Adding new model cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:32:19 BoogieIcfgContainer [2018-10-10 15:32:19,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:32:19,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:32:19,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:32:19,364 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:32:19,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:32:18" (1/2) ... [2018-10-10 15:32:19,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7753e6be and model type cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:32:19, skipping insertion in model container [2018-10-10 15:32:19,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:32:19" (2/2) ... [2018-10-10 15:32:19,368 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-10 15:32:19,377 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:32:19,386 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:32:19,403 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:32:19,431 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:32:19,431 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:32:19,432 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:32:19,432 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:32:19,432 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:32:19,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:32:19,432 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:32:19,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:32:19,433 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:32:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-10-10 15:32:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-10 15:32:19,461 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:32:19,462 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, 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] [2018-10-10 15:32:19,463 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:32:19,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:32:19,470 INFO L82 PathProgramCache]: Analyzing trace with hash -780550095, now seen corresponding path program 1 times [2018-10-10 15:32:19,524 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:32:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:32:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:32:20,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:32:20,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 15:32:20,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 15:32:20,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 15:32:20,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:32:20,065 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 8 states. [2018-10-10 15:32:20,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:32:20,687 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-10-10 15:32:20,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-10 15:32:20,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2018-10-10 15:32:20,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:32:20,702 INFO L225 Difference]: With dead ends: 90 [2018-10-10 15:32:20,703 INFO L226 Difference]: Without dead ends: 90 [2018-10-10 15:32:20,705 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2018-10-10 15:32:20,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-10-10 15:32:20,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2018-10-10 15:32:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-10-10 15:32:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-10 15:32:20,751 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 66 [2018-10-10 15:32:20,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:32:20,752 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-10-10 15:32:20,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 15:32:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-10 15:32:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-10 15:32:20,755 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:32:20,756 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, 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] [2018-10-10 15:32:20,756 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:32:20,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:32:20,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1714257369, now seen corresponding path program 1 times [2018-10-10 15:32:20,758 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:32:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:32:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-10 15:32:21,171 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:32:21,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-10-10 15:32:21,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 15:32:21,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 15:32:21,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-10 15:32:21,175 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 9 states. [2018-10-10 15:32:21,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:32:21,767 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-10-10 15:32:21,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-10 15:32:21,769 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2018-10-10 15:32:21,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:32:21,771 INFO L225 Difference]: With dead ends: 78 [2018-10-10 15:32:21,772 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:32:21,773 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2018-10-10 15:32:21,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:32:21,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:32:21,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:32:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:32:21,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2018-10-10 15:32:21,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:32:21,775 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:32:21,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 15:32:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:32:21,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:32:21,781 INFO L202 PluginConnector]: Adding new model cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:32:21 BoogieIcfgContainer [2018-10-10 15:32:21,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:32:21,782 INFO L168 Benchmark]: Toolchain (without parser) took 3371.39 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: 137.5 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. [2018-10-10 15:32:21,784 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. [2018-10-10 15:32:21,785 INFO L168 Benchmark]: Boogie Preprocessor took 59.49 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. [2018-10-10 15:32:21,786 INFO L168 Benchmark]: RCFGBuilder took 887.07 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:32:21,787 INFO L168 Benchmark]: TraceAbstraction took 2420.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. [2018-10-10 15:32:21,791 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 59.49 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 887.07 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2420.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: 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, 80 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 119 SDtfs, 200 SDslu, 562 SDs, 0 SdLazy, 272 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred 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, 0.7s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 27235 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/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-32-21-803.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-32-21-803.csv Received shutdown request...