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/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:03:47,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:03:47,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:03:47,156 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:03:47,157 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:03:47,158 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:03:47,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:03:47,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:03:47,163 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:03:47,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:03:47,164 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 21:03:47,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 21:03:47,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 21:03:47,166 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 21:03:47,168 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 21:03:47,168 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 21:03:47,169 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 21:03:47,171 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 21:03:47,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 21:03:47,175 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 21:03:47,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 21:03:47,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 21:03:47,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 21:03:47,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 21:03:47,181 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 21:03:47,182 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 21:03:47,183 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 21:03:47,184 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 21:03:47,185 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 21:03:47,186 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 21:03:47,186 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 21:03:47,187 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-12 21:03:47,189 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 21:03:47,199 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:03:47,199 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:03:47,200 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:03:47,200 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:03:47,200 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:03:47,200 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:03:47,201 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:03:47,201 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:03:47,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:03:47,202 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:03:47,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:03:47,202 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:03:47,202 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:03:47,203 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:03:47,203 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:03:47,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:03:47,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:03:47,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:03:47,272 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:03:47,273 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:03:47,273 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-12 21:03:47,273 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl' [2018-10-12 21:03:47,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:03:47,343 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:03:47,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:03:47,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:03:47,344 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:03:47,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:03:47" (1/1) ... [2018-10-12 21:03:47,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:03:47" (1/1) ... [2018-10-12 21:03:47,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:03:47" (1/1) ... [2018-10-12 21:03:47,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:03:47" (1/1) ... [2018-10-12 21:03:47,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:03:47" (1/1) ... [2018-10-12 21:03:47,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:03:47" (1/1) ... [2018-10-12 21:03:47,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:03:47" (1/1) ... [2018-10-12 21:03:47,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:03:47,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:03:47,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:03:47,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:03:47,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:03:47" (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 21:03:47,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:03:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:03:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:03:48,223 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:03:48,224 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:03:48 BoogieIcfgContainer [2018-10-12 21:03:48,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:03:48,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:03:48,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:03:48,229 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:03:48,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:03:47" (1/2) ... [2018-10-12 21:03:48,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a17f37 and model type lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:03:48, skipping insertion in model container [2018-10-12 21:03:48,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:03:48" (2/2) ... [2018-10-12 21:03:48,233 INFO L112 eAbstractionObserver]: Analyzing ICFG lis-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-12 21:03:48,243 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:03:48,252 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:03:48,272 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:03:48,302 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:03:48,303 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:03:48,303 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:03:48,303 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:03:48,304 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:03:48,304 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:03:48,304 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:03:48,304 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:03:48,304 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:03:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2018-10-12 21:03:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-12 21:03:48,355 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:03:48,356 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:03:48,358 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:03:48,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:03:48,365 INFO L82 PathProgramCache]: Analyzing trace with hash -452284042, now seen corresponding path program 1 times [2018-10-12 21:03:48,427 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:03:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:03:48,731 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 21:03:48,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:03:48,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-12 21:03:48,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 21:03:48,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 21:03:48,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:03:48,758 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 6 states. [2018-10-12 21:03:49,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:03:49,107 INFO L93 Difference]: Finished difference Result 145 states and 146 transitions. [2018-10-12 21:03:49,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 21:03:49,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-10-12 21:03:49,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:03:49,123 INFO L225 Difference]: With dead ends: 145 [2018-10-12 21:03:49,123 INFO L226 Difference]: Without dead ends: 145 [2018-10-12 21:03:49,126 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-12 21:03:49,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-10-12 21:03:49,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2018-10-12 21:03:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-12 21:03:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 116 transitions. [2018-10-12 21:03:49,176 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 116 transitions. Word has length 80 [2018-10-12 21:03:49,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:03:49,177 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 116 transitions. [2018-10-12 21:03:49,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 21:03:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-10-12 21:03:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-12 21:03:49,182 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:03:49,182 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, 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] [2018-10-12 21:03:49,183 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:03:49,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:03:49,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1444690523, now seen corresponding path program 1 times [2018-10-12 21:03:49,185 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:03:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:03:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:03:51,266 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:03:51,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-10-12 21:03:51,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-10-12 21:03:51,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-10-12 21:03:51,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2018-10-12 21:03:51,271 INFO L87 Difference]: Start difference. First operand 115 states and 116 transitions. Second operand 26 states. [2018-10-12 21:03:53,542 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2018-10-12 21:03:53,916 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2018-10-12 21:03:54,172 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2018-10-12 21:03:54,351 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-10-12 21:03:54,924 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2018-10-12 21:03:55,224 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2018-10-12 21:03:55,535 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2018-10-12 21:03:55,894 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2018-10-12 21:03:56,099 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2018-10-12 21:03:56,272 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-12 21:03:56,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:03:56,274 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-10-12 21:03:56,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-12 21:03:56,275 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 114 [2018-10-12 21:03:56,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:03:56,276 INFO L225 Difference]: With dead ends: 96 [2018-10-12 21:03:56,276 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:03:56,278 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=602, Invalid=2260, Unknown=0, NotChecked=0, Total=2862 [2018-10-12 21:03:56,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:03:56,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:03:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:03:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:03:56,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2018-10-12 21:03:56,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:03:56,280 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:03:56,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-10-12 21:03:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:03:56,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:03:56,285 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:03:56 BoogieIcfgContainer [2018-10-12 21:03:56,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:03:56,287 INFO L168 Benchmark]: Toolchain (without parser) took 8944.66 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.0 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 212.4 MB). Peak memory consumption was 233.4 MB. Max. memory is 7.1 GB. [2018-10-12 21:03:56,288 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 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 21:03:56,289 INFO L168 Benchmark]: Boogie Preprocessor took 54.45 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 21:03:56,289 INFO L168 Benchmark]: RCFGBuilder took 823.52 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. [2018-10-12 21:03:56,290 INFO L168 Benchmark]: TraceAbstraction took 8060.03 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.0 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 180.7 MB). Peak memory consumption was 201.7 MB. Max. memory is 7.1 GB. [2018-10-12 21:03:56,295 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 0.16 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 54.45 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 823.52 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 8060.03 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.0 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 180.7 MB). Peak memory consumption was 201.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 203]: 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, 115 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 5.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 148 SDtfs, 876 SDslu, 494 SDs, 0 SdLazy, 743 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 161358 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/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-03-56-306.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-03-56-306.csv Received shutdown request...