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_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:42:51,482 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:42:51,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:42:51,502 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:42:51,503 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:42:51,504 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:42:51,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:42:51,509 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:42:51,510 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:42:51,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:42:51,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:42:51,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:42:51,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:42:51,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:42:51,515 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:42:51,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:42:51,517 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:42:51,518 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:42:51,520 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:42:51,522 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:42:51,523 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:42:51,524 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:42:51,527 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:42:51,527 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:42:51,527 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:42:51,528 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:42:51,529 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:42:51,530 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:42:51,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:42:51,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:42:51,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:42:51,533 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:42:51,533 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:42:51,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:42:51,534 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:42:51,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:42:51,535 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 16:42:51,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:42:51,545 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:42:51,546 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:42:51,547 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:42:51,548 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:42:51,548 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:42:51,548 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:42:51,551 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:42:51,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:42:51,551 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:42:51,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:42:51,552 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:42:51,552 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:42:51,553 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:42:51,553 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:42:51,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:42:51,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:42:51,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:42:51,623 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:42:51,623 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:42:51,624 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl [2018-10-10 16:42:51,625 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl' [2018-10-10 16:42:51,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:42:51,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:42:51,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:42:51,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:42:51,699 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:42:51,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:42:51" (1/1) ... [2018-10-10 16:42:51,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:42:51" (1/1) ... [2018-10-10 16:42:51,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:42:51" (1/1) ... [2018-10-10 16:42:51,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:42:51" (1/1) ... [2018-10-10 16:42:51,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:42:51" (1/1) ... [2018-10-10 16:42:51,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:42:51" (1/1) ... [2018-10-10 16:42:51,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:42:51" (1/1) ... [2018-10-10 16:42:51,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:42:51,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:42:51,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:42:51,771 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:42:51,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:42:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 16:42:51,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:42:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:42:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:42:52,528 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:42:52,529 INFO L202 PluginConnector]: Adding new model openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:42:52 BoogieIcfgContainer [2018-10-10 16:42:52,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:42:52,530 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:42:52,530 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:42:52,531 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:42:52,534 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:42:52" (1/1) ... [2018-10-10 16:42:52,541 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:42:52,541 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:42:52,579 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:42:52,623 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:42:52,639 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:42:52,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:43:15,002 INFO L315 AbstractInterpreter]: Visited 96 different actions 113 times. Merged at 15 different actions 16 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:43:15,006 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:43:15,013 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:43:15,066 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];) [2018-10-10 16:43:15,112 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_6|) |v_ULTIMATE.start_read~int_#ptr.offset_4|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-10 16:43:15,156 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;) [2018-10-10 16:43:15,203 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:43:15,203 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:43:15,204 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:43:15,204 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:43:15,204 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:43:15,204 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:43:15,205 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:43:15,205 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:43:15,205 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:43:15,205 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:43:15,205 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:43:15,206 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:43:15,206 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:43:15,206 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:43:15,207 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:43:15,208 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:43:15,234 INFO L202 PluginConnector]: Adding new model openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:43:15 BasicIcfg [2018-10-10 16:43:15,234 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:43:15,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:43:15,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:43:15,239 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:43:15,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:42:51" (1/3) ... [2018-10-10 16:43:15,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ca4c0d and model type openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:43:15, skipping insertion in model container [2018-10-10 16:43:15,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:42:52" (2/3) ... [2018-10-10 16:43:15,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ca4c0d and model type openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:43:15, skipping insertion in model container [2018-10-10 16:43:15,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:43:15" (3/3) ... [2018-10-10 16:43:15,244 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:43:15,254 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:43:15,265 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:43:15,283 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:43:15,307 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:43:15,308 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:43:15,308 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:43:15,309 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:43:15,310 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:43:15,310 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:43:15,310 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:43:15,310 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:43:15,311 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:43:15,323 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-10-10 16:43:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-10 16:43:15,332 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:43:15,333 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:43:15,334 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:43:15,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:43:15,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1248524048, now seen corresponding path program 1 times [2018-10-10 16:43:15,396 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:43:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:43:16,447 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2018-10-10 16:43:17,167 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-10 16:43:17,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:43:17,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:43:17,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2018-10-10 16:43:17,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-10 16:43:17,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-10 16:43:17,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2018-10-10 16:43:17,705 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 23 states. [2018-10-10 16:43:18,967 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-10-10 16:43:19,381 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-10-10 16:43:19,886 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-10 16:43:20,047 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-10 16:43:20,245 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2018-10-10 16:43:20,411 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-10 16:43:21,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:43:21,223 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-10-10 16:43:21,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 16:43:21,225 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 83 [2018-10-10 16:43:21,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:43:21,238 INFO L225 Difference]: With dead ends: 108 [2018-10-10 16:43:21,238 INFO L226 Difference]: Without dead ends: 108 [2018-10-10 16:43:21,241 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=482, Invalid=1410, Unknown=0, NotChecked=0, Total=1892 [2018-10-10 16:43:21,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-10-10 16:43:21,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2018-10-10 16:43:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-10 16:43:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-10-10 16:43:21,288 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 83 [2018-10-10 16:43:21,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:43:21,289 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-10-10 16:43:21,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-10 16:43:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-10-10 16:43:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-10 16:43:21,293 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:43:21,293 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] [2018-10-10 16:43:21,294 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:43:21,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:43:21,294 INFO L82 PathProgramCache]: Analyzing trace with hash 664929812, now seen corresponding path program 1 times [2018-10-10 16:43:21,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:43:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:43:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:43:22,281 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:43:22,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-10-10 16:43:22,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-10 16:43:22,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-10 16:43:22,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2018-10-10 16:43:22,285 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 24 states. [2018-10-10 16:43:23,646 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-10 16:43:23,894 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-10 16:43:24,086 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-10 16:43:24,552 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-10 16:43:24,779 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-10 16:43:25,073 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-10 16:43:25,325 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-10 16:43:25,828 WARN L178 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 131 [2018-10-10 16:43:26,442 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2018-10-10 16:43:27,024 WARN L178 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2018-10-10 16:43:27,421 WARN L178 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2018-10-10 16:43:27,660 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-10 16:43:27,876 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-10 16:43:28,192 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-10 16:43:28,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:43:28,222 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-10-10 16:43:28,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 16:43:28,233 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 96 [2018-10-10 16:43:28,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:43:28,235 INFO L225 Difference]: With dead ends: 121 [2018-10-10 16:43:28,235 INFO L226 Difference]: Without dead ends: 121 [2018-10-10 16:43:28,238 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=464, Invalid=1516, Unknown=0, NotChecked=0, Total=1980 [2018-10-10 16:43:28,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-10-10 16:43:28,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 110. [2018-10-10 16:43:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-10 16:43:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2018-10-10 16:43:28,249 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 96 [2018-10-10 16:43:28,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:43:28,250 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2018-10-10 16:43:28,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-10 16:43:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2018-10-10 16:43:28,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-10 16:43:28,253 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:43:28,253 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:43:28,254 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:43:28,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:43:28,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1552450416, now seen corresponding path program 2 times [2018-10-10 16:43:28,255 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:43:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:43:29,100 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-10 16:43:29,100 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:43:29,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-10-10 16:43:29,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-10 16:43:29,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-10 16:43:29,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2018-10-10 16:43:29,102 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 22 states. [2018-10-10 16:43:31,107 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-10 16:43:31,450 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-10 16:43:31,786 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-10-10 16:43:32,028 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-10 16:43:32,406 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2018-10-10 16:43:32,714 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2018-10-10 16:43:33,007 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2018-10-10 16:43:33,245 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2018-10-10 16:43:33,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:43:33,500 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-10-10 16:43:33,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-10 16:43:33,501 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 109 [2018-10-10 16:43:33,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:43:33,502 INFO L225 Difference]: With dead ends: 108 [2018-10-10 16:43:33,503 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:43:33,504 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=547, Invalid=1345, Unknown=0, NotChecked=0, Total=1892 [2018-10-10 16:43:33,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:43:33,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:43:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:43:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:43:33,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2018-10-10 16:43:33,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:43:33,508 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:43:33,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-10 16:43:33,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:43:33,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:43:33,512 INFO L202 PluginConnector]: Adding new model openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:43:33 BasicIcfg [2018-10-10 16:43:33,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:43:33,513 INFO L168 Benchmark]: Toolchain (without parser) took 41816.22 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -499.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-10 16:43:33,514 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:43:33,515 INFO L168 Benchmark]: Boogie Preprocessor took 71.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:43:33,515 INFO L168 Benchmark]: RCFGBuilder took 758.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-10 16:43:33,516 INFO L168 Benchmark]: IcfgTransformer took 22704.56 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 991.6 MB in the end (delta: 445.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-10 16:43:33,517 INFO L168 Benchmark]: TraceAbstraction took 18276.32 ms. Allocated memory was 3.3 GB in the beginning and 3.8 GB in the end (delta: 413.1 MB). Free memory was 991.6 MB in the beginning and 2.0 GB in the end (delta: -976.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:43:33,521 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 0.18 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 71.41 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 758.72 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 22704.56 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 991.6 MB in the end (delta: 445.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * TraceAbstraction took 18276.32 ms. Allocated memory was 3.3 GB in the beginning and 3.8 GB in the end (delta: 413.1 MB). Free memory was 991.6 MB in the beginning and 2.0 GB in the end (delta: -976.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 94 LocStat_MAX_WEQGRAPH_SIZE : 17 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 3325 LocStat_NO_SUPPORTING_DISEQUALITIES : 805 LocStat_NO_DISJUNCTIONS : -188 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 96 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 95 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 96 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 18842.11 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 115 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 96 different actions 113 times. Merged at 15 different actions 16 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: 182]: 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, 96 locations, 1 error locations. SAFE Result, 18.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 13.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 189 SDtfs, 2178 SDslu, 2202 SDs, 0 SdLazy, 1718 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 13.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=2, 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, 3 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 337799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/22 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_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-43-33-539.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-43-33-539.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-43-33-539.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...