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 0.1.23-502d2f4 [2018-10-12 23:02:25,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 23:02:25,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 23:02:25,384 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 23:02:25,385 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 23:02:25,386 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 23:02:25,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 23:02:25,389 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 23:02:25,391 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 23:02:25,391 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 23:02:25,392 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 23:02:25,393 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 23:02:25,393 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 23:02:25,394 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 23:02:25,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 23:02:25,396 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 23:02:25,397 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 23:02:25,399 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 23:02:25,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 23:02:25,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 23:02:25,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 23:02:25,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 23:02:25,407 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 23:02:25,408 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 23:02:25,408 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 23:02:25,409 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 23:02:25,410 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 23:02:25,411 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 23:02:25,411 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 23:02:25,413 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 23:02:25,413 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 23:02:25,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 23:02:25,415 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 23:02:25,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 23:02:25,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 23:02:25,418 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 23:02:25,418 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 23:02:25,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 23:02:25,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 23:02:25,438 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 23:02:25,438 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 23:02:25,438 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 23:02:25,438 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 23:02:25,439 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 23:02:25,439 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 23:02:25,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 23:02:25,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 23:02:25,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 23:02:25,440 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 23:02:25,440 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 23:02:25,441 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 23:02:25,441 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 23:02:25,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 23:02:25,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 23:02:25,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 23:02:25,515 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 23:02:25,516 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 23:02:25,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl [2018-10-12 23:02:25,517 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl' [2018-10-12 23:02:25,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 23:02:25,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 23:02:25,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 23:02:25,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 23:02:25,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 23:02:25,625 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 12.10 11:02:25" (1/1) ... [2018-10-12 23:02:25,628 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 12.10 11:02:25" (1/1) ... [2018-10-12 23:02:25,648 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 12.10 11:02:25" (1/1) ... [2018-10-12 23:02:25,648 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 12.10 11:02:25" (1/1) ... [2018-10-12 23:02:25,663 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 12.10 11:02:25" (1/1) ... [2018-10-12 23:02:25,666 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 12.10 11:02:25" (1/1) ... [2018-10-12 23:02:25,668 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 12.10 11:02:25" (1/1) ... [2018-10-12 23:02:25,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 23:02:25,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 23:02:25,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 23:02:25,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 23:02:25,682 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 12.10 11:02:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-12 23:02:25,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 23:02:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 23:02:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 23:02:26,402 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 23:02:26,403 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 12.10 11:02:26 BoogieIcfgContainer [2018-10-12 23:02:26,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 23:02:26,403 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 23:02:26,404 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 23:02:26,405 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 23:02:26,408 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 12.10 11:02:26" (1/1) ... [2018-10-12 23:02:26,417 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 23:02:26,417 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 23:02:26,461 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 23:02:26,516 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 23:02:26,540 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 23:02:26,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 23:03:02,724 INFO L315 AbstractInterpreter]: Visited 96 different actions 118 times. Merged at 15 different actions 20 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 23:03:02,726 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 23:03:02,730 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 23:03:02,809 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];) [2018-10-12 23:03:02,878 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;) [2018-10-12 23:03:03,081 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 23:03:03,082 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:03:03,082 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:03:03,082 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:03:03,082 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 23:03:03,083 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:03:03,083 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:03:03,083 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:03:03,083 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:03:03,083 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:03:03,083 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:03:03,083 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 23:03:03,084 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:03:03,084 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:03:03,084 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:03:03,086 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 23:03:03,119 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 12.10 11:03:03 BasicIcfg [2018-10-12 23:03:03,119 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 23:03:03,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 23:03:03,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 23:03:03,124 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 23:03:03,124 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 12.10 11:02:25" (1/3) ... [2018-10-12 23:03:03,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307b4de6 and model type openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:03:03, skipping insertion in model container [2018-10-12 23:03:03,125 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 12.10 11:02:26" (2/3) ... [2018-10-12 23:03:03,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307b4de6 and model type openbsd_cstrstr-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:03:03, skipping insertion in model container [2018-10-12 23:03:03,126 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 12.10 11:03:03" (3/3) ... [2018-10-12 23:03:03,127 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 23:03:03,137 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 23:03:03,149 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 23:03:03,166 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 23:03:03,195 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 23:03:03,196 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 23:03:03,196 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 23:03:03,196 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 23:03:03,196 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 23:03:03,199 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 23:03:03,200 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 23:03:03,200 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 23:03:03,200 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 23:03:03,221 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-10-12 23:03:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-12 23:03:03,238 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:03:03,239 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] [2018-10-12 23:03:03,240 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:03:03,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:03:03,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1248524048, now seen corresponding path program 1 times [2018-10-12 23:03:03,304 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:03:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:03:04,211 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2018-10-12 23:03:04,468 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-12 23:03:04,984 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-12 23:03:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:03:05,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 23:03:05,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2018-10-12 23:03:05,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-12 23:03:05,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-12 23:03:05,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2018-10-12 23:03:05,535 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 23 states. [2018-10-12 23:03:06,473 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-10-12 23:03:07,467 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-10-12 23:03:07,927 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-12 23:03:08,186 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-12 23:03:08,369 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2018-10-12 23:03:09,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:03:09,213 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-10-12 23:03:09,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-12 23:03:09,216 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 83 [2018-10-12 23:03:09,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:03:09,227 INFO L225 Difference]: With dead ends: 108 [2018-10-12 23:03:09,227 INFO L226 Difference]: Without dead ends: 108 [2018-10-12 23:03:09,231 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=482, Invalid=1410, Unknown=0, NotChecked=0, Total=1892 [2018-10-12 23:03:09,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-10-12 23:03:09,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2018-10-12 23:03:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-12 23:03:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-10-12 23:03:09,288 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 83 [2018-10-12 23:03:09,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:03:09,290 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-10-12 23:03:09,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-12 23:03:09,290 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-10-12 23:03:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-12 23:03:09,297 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:03:09,298 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] [2018-10-12 23:03:09,298 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:03:09,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:03:09,298 INFO L82 PathProgramCache]: Analyzing trace with hash 664929812, now seen corresponding path program 1 times [2018-10-12 23:03:09,300 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:03:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:03:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:03:10,368 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:03:10,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-10-12 23:03:10,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-12 23:03:10,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-12 23:03:10,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2018-10-12 23:03:10,372 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 24 states. [2018-10-12 23:03:11,675 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-12 23:03:11,907 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-12 23:03:12,099 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-12 23:03:12,510 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-12 23:03:12,708 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-12 23:03:12,969 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-12 23:03:13,205 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-12 23:03:13,665 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 131 [2018-10-12 23:03:14,255 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2018-10-12 23:03:14,807 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2018-10-12 23:03:15,175 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2018-10-12 23:03:15,378 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-12 23:03:15,599 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-12 23:03:15,884 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-12 23:03:15,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:03:15,932 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-10-12 23:03:15,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-12 23:03:15,935 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 96 [2018-10-12 23:03:15,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:03:15,938 INFO L225 Difference]: With dead ends: 121 [2018-10-12 23:03:15,938 INFO L226 Difference]: Without dead ends: 121 [2018-10-12 23:03:15,942 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=464, Invalid=1516, Unknown=0, NotChecked=0, Total=1980 [2018-10-12 23:03:15,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-10-12 23:03:15,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 110. [2018-10-12 23:03:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-12 23:03:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2018-10-12 23:03:15,962 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 96 [2018-10-12 23:03:15,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:03:15,962 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2018-10-12 23:03:15,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-12 23:03:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2018-10-12 23:03:15,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-12 23:03:15,965 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:03:15,965 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] [2018-10-12 23:03:15,966 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:03:15,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:03:15,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1552450416, now seen corresponding path program 2 times [2018-10-12 23:03:15,967 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:03:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:03:16,717 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-12 23:03:16,718 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:03:16,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-10-12 23:03:16,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-12 23:03:16,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-12 23:03:16,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2018-10-12 23:03:16,720 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 22 states. [2018-10-12 23:03:18,779 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-12 23:03:19,104 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-12 23:03:19,403 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-10-12 23:03:19,627 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-12 23:03:20,003 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2018-10-12 23:03:20,304 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2018-10-12 23:03:20,596 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2018-10-12 23:03:20,822 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2018-10-12 23:03:20,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:03:20,968 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-10-12 23:03:20,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-12 23:03:20,969 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 109 [2018-10-12 23:03:20,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:03:20,971 INFO L225 Difference]: With dead ends: 108 [2018-10-12 23:03:20,971 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 23:03:20,972 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=547, Invalid=1345, Unknown=0, NotChecked=0, Total=1892 [2018-10-12 23:03:20,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 23:03:20,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 23:03:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 23:03:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 23:03:20,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2018-10-12 23:03:20,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:03:20,974 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 23:03:20,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-12 23:03:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 23:03:20,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 23:03:20,978 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 12.10 11:03:20 BasicIcfg [2018-10-12 23:03:20,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 23:03:20,979 INFO L168 Benchmark]: Toolchain (without parser) took 55383.87 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: -640.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-12 23:03:20,980 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 23:03:20,980 INFO L168 Benchmark]: Boogie Preprocessor took 80.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 23:03:20,981 INFO L168 Benchmark]: RCFGBuilder took 722.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-12 23:03:20,982 INFO L168 Benchmark]: IcfgTransformer took 36715.82 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -415.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-12 23:03:20,983 INFO L168 Benchmark]: TraceAbstraction took 17857.88 ms. Allocated memory was 3.5 GB in the beginning and 3.9 GB in the end (delta: 385.9 MB). Free memory was 1.8 GB in the beginning and 2.1 GB in the end (delta: -256.6 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. [2018-10-12 23:03:20,987 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 0.19 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 80.06 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 722.38 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 36715.82 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -415.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * TraceAbstraction took 17857.88 ms. Allocated memory was 3.5 GB in the beginning and 3.9 GB in the end (delta: 385.9 MB). Free memory was 1.8 GB in the beginning and 2.1 GB in the end (delta: -256.6 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 94 LocStat_MAX_WEQGRAPH_SIZE : 12 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 3325 LocStat_NO_SUPPORTING_DISEQUALITIES : 820 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) : 30645.52 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 120 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 96 different actions 118 times. Merged at 15 different actions 20 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 : 2 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, 17.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 13.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 189 SDtfs, 2178 SDslu, 2202 SDs, 0 SdLazy, 1718 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 12.9s 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, 0.2s SatisfiabilityAnalysisTime, 3.5s 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-0-2018-10-12_23-03-21-002.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-0-2018-10-12_23-03-21-002.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-0-2018-10-12_23-03-21-002.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...