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_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:35:09,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:35:09,281 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:35:09,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:35:09,299 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:35:09,300 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:35:09,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:35:09,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:35:09,306 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:35:09,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:35:09,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:35:09,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:35:09,312 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:35:09,313 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:35:09,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:35:09,321 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:35:09,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:35:09,326 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:35:09,330 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:35:09,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:35:09,334 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:35:09,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:35:09,339 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:35:09,341 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:35:09,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:35:09,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:35:09,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:35:09,345 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:35:09,345 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:35:09,346 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:35:09,346 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:35:09,349 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 18:35:09,349 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 18:35:09,350 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 18:35:09,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 18:35:09,352 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 18:35:09,354 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 18:35:09,363 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:35:09,363 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:35:09,364 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:35:09,364 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:35:09,365 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:35:09,365 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:35:09,365 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:35:09,366 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:35:09,366 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:35:09,366 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:35:09,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:35:09,367 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:35:09,367 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:35:09,368 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:35:09,368 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:35:09,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:35:09,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:35:09,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:35:09,427 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:35:09,428 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:35:09,428 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-14 18:35:09,429 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl' [2018-10-14 18:35:09,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:35:09,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:35:09,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:35:09,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:35:09,521 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:35:09,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:09" (1/1) ... [2018-10-14 18:35:09,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:09" (1/1) ... [2018-10-14 18:35:09,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:09" (1/1) ... [2018-10-14 18:35:09,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:09" (1/1) ... [2018-10-14 18:35:09,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:09" (1/1) ... [2018-10-14 18:35:09,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:09" (1/1) ... [2018-10-14 18:35:09,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:09" (1/1) ... [2018-10-14 18:35:09,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:35:09,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:35:09,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:35:09,590 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:35:09,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:09" (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 [2018-10-14 18:35:09,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:35:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:35:09,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:35:10,386 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:35:10,387 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:35:10 BoogieIcfgContainer [2018-10-14 18:35:10,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:35:10,388 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:35:10,388 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:35:10,389 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:35:10,392 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:35:10" (1/1) ... [2018-10-14 18:35:10,402 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:35:10,402 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:35:10,450 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:35:10,506 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:35:10,522 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:35:10,591 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:36:12,012 INFO L315 AbstractInterpreter]: Visited 102 different actions 153 times. Merged at 41 different actions 49 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:36:12,017 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:36:12,022 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:36:12,094 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 #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-14 18:36:12,286 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_19|) |v_ULTIMATE.start_read~int_#ptr.offset_13|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-14 18:36:12,378 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_4_1_1| |v_ULTIMATE.start_write~int_#ptr.base_12|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-14 18:36:12,434 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_13|) |v_ULTIMATE.start_read~int_#ptr.offset_9|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-14 18:36:12,494 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:36:12,495 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:36:12,495 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:36:12,495 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-14 18:36:12,495 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:36:12,496 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:36:12,496 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:36:12,496 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:36:12,496 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:36:12,496 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:36:12,497 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-14 18:36:12,497 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:36:12,497 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:36:12,497 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:36:12,497 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:36:12,499 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:36:12,524 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:36:12 BasicIcfg [2018-10-14 18:36:12,524 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:36:12,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:36:12,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:36:12,528 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:36:12,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:09" (1/3) ... [2018-10-14 18:36:12,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675541bd and model type openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:36:12, skipping insertion in model container [2018-10-14 18:36:12,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:35:10" (2/3) ... [2018-10-14 18:36:12,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675541bd and model type openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:36:12, skipping insertion in model container [2018-10-14 18:36:12,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:36:12" (3/3) ... [2018-10-14 18:36:12,532 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:36:12,546 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:36:12,559 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:36:12,578 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:36:12,606 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:36:12,607 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:36:12,608 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:36:12,608 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:36:12,608 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:36:12,608 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:36:12,609 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:36:12,609 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:36:12,609 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:36:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-10-14 18:36:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-14 18:36:12,638 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:36:12,639 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] [2018-10-14 18:36:12,641 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:36:12,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:36:12,647 INFO L82 PathProgramCache]: Analyzing trace with hash -299045832, now seen corresponding path program 1 times [2018-10-14 18:36:12,710 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:36:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:36:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:36:14,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:36:14,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-14 18:36:14,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-14 18:36:14,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-14 18:36:14,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-10-14 18:36:14,028 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 16 states. [2018-10-14 18:36:15,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:36:15,919 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-14 18:36:15,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-14 18:36:15,921 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2018-10-14 18:36:15,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:36:15,933 INFO L225 Difference]: With dead ends: 124 [2018-10-14 18:36:15,934 INFO L226 Difference]: Without dead ends: 124 [2018-10-14 18:36:15,936 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=220, Invalid=902, Unknown=0, NotChecked=0, Total=1122 [2018-10-14 18:36:15,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-10-14 18:36:15,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2018-10-14 18:36:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-14 18:36:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-10-14 18:36:15,994 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 63 [2018-10-14 18:36:15,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:36:15,995 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-10-14 18:36:15,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-14 18:36:15,996 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-10-14 18:36:15,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-14 18:36:15,999 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:36:16,000 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:36:16,000 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:36:16,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:36:16,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1387798473, now seen corresponding path program 1 times [2018-10-14 18:36:16,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:36:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:36:16,423 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2018-10-14 18:36:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:36:16,895 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:36:16,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-10-14 18:36:16,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-14 18:36:16,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-14 18:36:16,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2018-10-14 18:36:16,898 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 18 states. [2018-10-14 18:36:18,224 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-14 18:36:18,408 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-10-14 18:36:18,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:36:18,742 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-10-14 18:36:18,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-14 18:36:18,749 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 102 [2018-10-14 18:36:18,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:36:18,752 INFO L225 Difference]: With dead ends: 163 [2018-10-14 18:36:18,752 INFO L226 Difference]: Without dead ends: 163 [2018-10-14 18:36:18,753 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2018-10-14 18:36:18,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-10-14 18:36:18,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 142. [2018-10-14 18:36:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-10-14 18:36:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-10-14 18:36:18,766 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 102 [2018-10-14 18:36:18,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:36:18,766 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-10-14 18:36:18,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-14 18:36:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-10-14 18:36:18,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-14 18:36:18,769 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:36:18,769 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-14 18:36:18,770 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:36:18,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:36:18,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1218151592, now seen corresponding path program 2 times [2018-10-14 18:36:18,771 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:36:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:36:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:36:20,345 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:36:20,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-10-14 18:36:20,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-14 18:36:20,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-14 18:36:20,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2018-10-14 18:36:20,347 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 28 states. [2018-10-14 18:36:23,963 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-14 18:36:24,245 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2018-10-14 18:36:24,707 WARN L179 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-14 18:36:25,064 WARN L179 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-14 18:36:25,291 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2018-10-14 18:36:25,443 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2018-10-14 18:36:25,611 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2018-10-14 18:36:25,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:36:25,816 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-10-14 18:36:25,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-14 18:36:25,820 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 141 [2018-10-14 18:36:25,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:36:25,823 INFO L225 Difference]: With dead ends: 202 [2018-10-14 18:36:25,823 INFO L226 Difference]: Without dead ends: 202 [2018-10-14 18:36:25,824 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=422, Invalid=2548, Unknown=0, NotChecked=0, Total=2970 [2018-10-14 18:36:25,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-10-14 18:36:25,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 181. [2018-10-14 18:36:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-10-14 18:36:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-10-14 18:36:25,838 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 141 [2018-10-14 18:36:25,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:36:25,839 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-10-14 18:36:25,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-14 18:36:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-10-14 18:36:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-14 18:36:25,842 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:36:25,842 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-14 18:36:25,843 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:36:25,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:36:25,843 INFO L82 PathProgramCache]: Analyzing trace with hash 561745175, now seen corresponding path program 3 times [2018-10-14 18:36:25,844 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:36:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:36:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-14 18:36:26,894 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:36:26,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-10-14 18:36:26,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-14 18:36:26,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-14 18:36:26,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2018-10-14 18:36:26,896 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 25 states. [2018-10-14 18:36:28,654 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2018-10-14 18:36:28,826 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2018-10-14 18:36:29,057 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2018-10-14 18:36:29,271 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2018-10-14 18:36:29,417 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2018-10-14 18:36:29,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:36:29,931 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-10-14 18:36:29,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-14 18:36:29,934 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 180 [2018-10-14 18:36:29,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:36:29,935 INFO L225 Difference]: With dead ends: 179 [2018-10-14 18:36:29,935 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:36:29,937 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=443, Invalid=2209, Unknown=0, NotChecked=0, Total=2652 [2018-10-14 18:36:29,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:36:29,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:36:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:36:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:36:29,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2018-10-14 18:36:29,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:36:29,938 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:36:29,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-14 18:36:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:36:29,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:36:29,942 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:36:29 BasicIcfg [2018-10-14 18:36:29,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:36:29,943 INFO L168 Benchmark]: Toolchain (without parser) took 80424.49 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -432.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-14 18:36:29,944 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-10-14 18:36:29,945 INFO L168 Benchmark]: Boogie Preprocessor took 68.23 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. [2018-10-14 18:36:29,945 INFO L168 Benchmark]: RCFGBuilder took 798.11 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. [2018-10-14 18:36:29,947 INFO L168 Benchmark]: IcfgTransformer took 62136.57 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 194.8 MB. Max. memory is 7.1 GB. [2018-10-14 18:36:29,948 INFO L168 Benchmark]: TraceAbstraction took 17417.42 ms. Allocated memory was 3.5 GB in the beginning and 3.7 GB in the end (delta: 229.1 MB). Free memory was 3.2 GB in the beginning and 1.9 GB in the end (delta: 1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-14 18:36:29,953 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 0.20 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 68.23 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 798.11 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 62136.57 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 194.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17417.42 ms. Allocated memory was 3.5 GB in the beginning and 3.7 GB in the end (delta: 229.1 MB). Free memory was 3.2 GB in the beginning and 1.9 GB in the end (delta: 1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 100 LocStat_MAX_WEQGRAPH_SIZE : 17 LocStat_MAX_SIZEOF_WEQEDGELABEL : 6 LocStat_NO_SUPPORTING_EQUALITIES : 3585 LocStat_NO_SUPPORTING_DISEQUALITIES : 804 LocStat_NO_DISJUNCTIONS : -200 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 102 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 100 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 102 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 40742.51 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 155 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 102 different actions 153 times. Merged at 41 different actions 49 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] : 4 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 : 2 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: 178]: 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, 102 locations, 1 error locations. SAFE Result, 17.3s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 12.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 290 SDtfs, 2823 SDslu, 3009 SDs, 0 SdLazy, 3114 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 63 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 482 ConstructedInterpolants, 0 QuantifiedInterpolants, 976173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 75/174 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_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-36-29-968.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-36-29-968.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-36-29-968.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...