java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 23:00:08,294 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 23:00:08,297 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 23:00:08,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 23:00:08,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 23:00:08,316 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 23:00:08,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 23:00:08,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 23:00:08,325 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 23:00:08,326 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 23:00:08,329 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 23:00:08,329 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 23:00:08,330 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 23:00:08,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 23:00:08,340 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 23:00:08,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 23:00:08,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 23:00:08,346 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 23:00:08,351 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 23:00:08,354 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 23:00:08,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 23:00:08,358 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 23:00:08,361 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-12 23:00:08,374 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 23:00:08,393 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 23:00:08,393 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 23:00:08,394 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 23:00:08,394 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 23:00:08,395 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 23:00:08,395 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 23:00:08,396 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 23:00:08,396 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 23:00:08,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 23:00:08,397 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 23:00:08,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 23:00:08,397 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 23:00:08,397 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 23:00:08,401 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 23:00:08,401 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 23:00:08,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 23:00:08,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 23:00:08,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 23:00:08,481 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 23:00:08,482 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 23:00:08,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl [2018-10-12 23:00:08,483 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl' [2018-10-12 23:00:08,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 23:00:08,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 23:00:08,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 23:00:08,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 23:00:08,567 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 23:00:08,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:00:08" (1/1) ... [2018-10-12 23:00:08,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:00:08" (1/1) ... [2018-10-12 23:00:08,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:00:08" (1/1) ... [2018-10-12 23:00:08,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:00:08" (1/1) ... [2018-10-12 23:00:08,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:00:08" (1/1) ... [2018-10-12 23:00:08,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:00:08" (1/1) ... [2018-10-12 23:00:08,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:00:08" (1/1) ... [2018-10-12 23:00:08,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 23:00:08,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 23:00:08,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 23:00:08,628 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 23:00:08,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:00:08" (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 23:00:08,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 23:00:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 23:00:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 23:00:09,360 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 23:00:09,361 INFO L202 PluginConnector]: Adding new model openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:00:09 BoogieIcfgContainer [2018-10-12 23:00:09,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 23:00:09,361 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 23:00:09,361 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 23:00:09,364 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 23:00:09,368 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:00:09" (1/1) ... [2018-10-12 23:00:09,379 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 23:00:09,380 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 23:00:09,446 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 23:00:09,537 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 23:00:09,558 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 23:00:09,651 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 23:03:55,542 INFO L315 AbstractInterpreter]: Visited 92 different actions 119 times. Merged at 15 different actions 25 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 23:03:55,545 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 23:03:55,549 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 23:03:56,329 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_7|) |v_ULTIMATE.start_read~int_#ptr.offset_5|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-12 23:03:57,272 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 23:03:57,273 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:03:57,273 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:03:57,274 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 23:03:57,274 INFO L248 HeapPartitionManager]: # location blocks :3 [2018-10-12 23:03:57,274 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:03:57,274 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 23:03:57,274 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:03:57,275 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:03:57,275 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:03:57,275 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 23:03:57,275 INFO L248 HeapPartitionManager]: # location blocks :3 [2018-10-12 23:03:57,276 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:03:57,276 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 23:03:57,276 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:03:57,277 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 23:03:57,304 INFO L202 PluginConnector]: Adding new model openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 11:03:57 BasicIcfg [2018-10-12 23:03:57,305 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 23:03:57,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 23:03:57,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 23:03:57,310 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 23:03:57,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:00:08" (1/3) ... [2018-10-12 23:03:57,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255801ce and model type openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:03:57, skipping insertion in model container [2018-10-12 23:03:57,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:00:09" (2/3) ... [2018-10-12 23:03:57,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255801ce and model type openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:03:57, skipping insertion in model container [2018-10-12 23:03:57,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 11:03:57" (3/3) ... [2018-10-12 23:03:57,314 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 23:03:57,324 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 23:03:57,333 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 23:03:57,350 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 23:03:57,375 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 23:03:57,376 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 23:03:57,376 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 23:03:57,377 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 23:03:57,377 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 23:03:57,377 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 23:03:57,377 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 23:03:57,377 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 23:03:57,378 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 23:03:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-10-12 23:03:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-12 23:03:57,405 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:03:57,407 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] [2018-10-12 23:03:57,408 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:03:57,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:03:57,414 INFO L82 PathProgramCache]: Analyzing trace with hash 304789859, now seen corresponding path program 1 times [2018-10-12 23:03:57,465 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:03:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:03:58,432 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 23:03:58,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 23:03:58,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-12 23:03:58,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-12 23:03:58,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-12 23:03:58,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-10-12 23:03:58,541 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 13 states. [2018-10-12 23:03:59,299 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-12 23:03:59,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:03:59,950 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-10-12 23:03:59,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-12 23:03:59,956 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2018-10-12 23:03:59,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:03:59,970 INFO L225 Difference]: With dead ends: 106 [2018-10-12 23:03:59,970 INFO L226 Difference]: Without dead ends: 106 [2018-10-12 23:03:59,974 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-10-12 23:03:59,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-12 23:04:00,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 95. [2018-10-12 23:04:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-10-12 23:04:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-10-12 23:04:00,022 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 81 [2018-10-12 23:04:00,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:04:00,023 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-10-12 23:04:00,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-12 23:04:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-10-12 23:04:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-12 23:04:00,026 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:04:00,027 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:00,027 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:04:00,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:04:00,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1178787629, now seen corresponding path program 1 times [2018-10-12 23:04:00,029 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:04:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:04:00,644 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-12 23:04:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:04:01,119 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:04:01,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-12 23:04:01,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-12 23:04:01,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-12 23:04:01,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2018-10-12 23:04:01,122 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 21 states. [2018-10-12 23:04:02,602 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-10-12 23:04:02,863 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-12 23:04:03,097 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2018-10-12 23:04:03,315 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-10-12 23:04:03,465 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2018-10-12 23:04:03,685 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-10-12 23:04:04,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:04:04,094 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-10-12 23:04:04,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-12 23:04:04,095 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 94 [2018-10-12 23:04:04,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:04:04,099 INFO L225 Difference]: With dead ends: 119 [2018-10-12 23:04:04,099 INFO L226 Difference]: Without dead ends: 119 [2018-10-12 23:04:04,101 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=397, Invalid=1409, Unknown=0, NotChecked=0, Total=1806 [2018-10-12 23:04:04,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-12 23:04:04,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 108. [2018-10-12 23:04:04,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-12 23:04:04,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-10-12 23:04:04,113 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 94 [2018-10-12 23:04:04,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:04:04,114 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-10-12 23:04:04,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-12 23:04:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-10-12 23:04:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-12 23:04:04,116 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:04:04,116 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:04,117 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:04:04,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:04:04,117 INFO L82 PathProgramCache]: Analyzing trace with hash 2089963363, now seen corresponding path program 2 times [2018-10-12 23:04:04,118 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:04:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:04:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:04:05,155 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:04:05,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-10-12 23:04:05,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-12 23:04:05,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-12 23:04:05,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2018-10-12 23:04:05,156 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 24 states. [2018-10-12 23:04:06,058 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-10-12 23:04:06,931 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-12 23:04:07,396 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-12 23:04:07,642 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-12 23:04:07,831 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-12 23:04:08,406 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-12 23:04:08,578 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-10-12 23:04:08,929 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2018-10-12 23:04:09,317 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2018-10-12 23:04:09,862 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2018-10-12 23:04:10,122 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-12 23:04:10,307 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2018-10-12 23:04:10,541 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2018-10-12 23:04:11,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:04:11,123 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-10-12 23:04:11,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-10-12 23:04:11,127 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 107 [2018-10-12 23:04:11,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:04:11,129 INFO L225 Difference]: With dead ends: 132 [2018-10-12 23:04:11,129 INFO L226 Difference]: Without dead ends: 132 [2018-10-12 23:04:11,130 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=463, Invalid=1889, Unknown=0, NotChecked=0, Total=2352 [2018-10-12 23:04:11,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-10-12 23:04:11,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 121. [2018-10-12 23:04:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-10-12 23:04:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-10-12 23:04:11,139 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 107 [2018-10-12 23:04:11,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:04:11,140 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-10-12 23:04:11,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-12 23:04:11,140 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-10-12 23:04:11,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-12 23:04:11,142 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:04:11,142 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:11,143 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:04:11,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:04:11,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1562817837, now seen corresponding path program 3 times [2018-10-12 23:04:11,144 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:04:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:04:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-12 23:04:11,836 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:04:11,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-12 23:04:11,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-12 23:04:11,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-12 23:04:11,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2018-10-12 23:04:11,837 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 21 states. [2018-10-12 23:04:13,193 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2018-10-12 23:04:13,487 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2018-10-12 23:04:13,718 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2018-10-12 23:04:13,938 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2018-10-12 23:04:14,222 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2018-10-12 23:04:14,408 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2018-10-12 23:04:14,536 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-10-12 23:04:14,710 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2018-10-12 23:04:14,856 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2018-10-12 23:04:15,075 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2018-10-12 23:04:15,348 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2018-10-12 23:04:15,615 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2018-10-12 23:04:15,825 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2018-10-12 23:04:15,973 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2018-10-12 23:04:16,148 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2018-10-12 23:04:16,327 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2018-10-12 23:04:16,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:04:16,333 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-10-12 23:04:16,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-12 23:04:16,334 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 120 [2018-10-12 23:04:16,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:04:16,335 INFO L225 Difference]: With dead ends: 119 [2018-10-12 23:04:16,336 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 23:04:16,337 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=574, Invalid=1588, Unknown=0, NotChecked=0, Total=2162 [2018-10-12 23:04:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 23:04:16,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 23:04:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 23:04:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 23:04:16,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2018-10-12 23:04:16,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:04:16,339 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 23:04:16,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-12 23:04:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 23:04:16,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 23:04:16,343 INFO L202 PluginConnector]: Adding new model openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:04:16 BasicIcfg [2018-10-12 23:04:16,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 23:04:16,344 INFO L168 Benchmark]: Toolchain (without parser) took 247779.24 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -578.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-12 23:04:16,345 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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 23:04:16,346 INFO L168 Benchmark]: Boogie Preprocessor took 59.64 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 23:04:16,346 INFO L168 Benchmark]: RCFGBuilder took 733.81 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 23:04:16,347 INFO L168 Benchmark]: IcfgTransformer took 227943.62 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 942.2 MB. Max. memory is 7.1 GB. [2018-10-12 23:04:16,348 INFO L168 Benchmark]: TraceAbstraction took 19037.24 ms. Allocated memory was 3.5 GB in the beginning and 4.1 GB in the end (delta: 522.7 MB). Free memory was 2.5 GB in the beginning and 2.0 GB in the end (delta: 445.4 MB). Peak memory consumption was 968.1 MB. Max. memory is 7.1 GB. [2018-10-12 23:04:16,352 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 0.25 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 59.64 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 733.81 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. * IcfgTransformer took 227943.62 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 942.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19037.24 ms. Allocated memory was 3.5 GB in the beginning and 4.1 GB in the end (delta: 522.7 MB). Free memory was 2.5 GB in the beginning and 2.0 GB in the end (delta: 445.4 MB). Peak memory consumption was 968.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 90 LocStat_MAX_WEQGRAPH_SIZE : 18 LocStat_MAX_SIZEOF_WEQEDGELABEL : 9 LocStat_NO_SUPPORTING_EQUALITIES : 3363 LocStat_NO_SUPPORTING_DISEQUALITIES : 808 LocStat_NO_DISJUNCTIONS : -180 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 92 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 100 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 92 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 199904.54 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 121 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 92 different actions 119 times. Merged at 15 different actions 25 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 6 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 3 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 3 COUNT_ARRAY_READS for [#memory_int, ULTIMATE.start_write~int_old_#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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, 92 locations, 1 error locations. SAFE Result, 18.9s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 14.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 278 SDtfs, 2478 SDslu, 2589 SDs, 0 SdLazy, 1976 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 13.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=3, 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, 4 MinimizatonAttempts, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 486100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 17/82 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/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_23-04-16-368.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_23-04-16-368.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_23-04-16-368.csv The toolchain threw an exception: class java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" RESULT: An exception occured during the execution of Ultimate: The toolchain threw an exception java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:283) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark.createCsvProvider(AbsIntBenchmark.java:42) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.writeCsvLogs(CommandLineController.java:342) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.displayToolchainResults(CommandLineController.java:325) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:343) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:102) at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:296) at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:288) at java.lang.reflect.Field.get(Field.java:390) at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:275) ... 6 more Received shutdown request...