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_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:33:38,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:33:38,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:33:38,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:33:38,077 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:33:38,078 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:33:38,079 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:33:38,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:33:38,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:33:38,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:33:38,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:33:38,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:33:38,086 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:33:38,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:33:38,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:33:38,089 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:33:38,090 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:33:38,092 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:33:38,094 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:33:38,095 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:33:38,096 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:33:38,098 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:33:38,100 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:33:38,101 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:33:38,101 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:33:38,102 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:33:38,103 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:33:38,104 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:33:38,105 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:33:38,107 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:33:38,107 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:33:38,108 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 18:33:38,109 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 18:33:38,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 18:33:38,110 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 18:33:38,110 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 18:33:38,111 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 18:33:38,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:33:38,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:33:38,125 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:33:38,125 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:33:38,125 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:33:38,126 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:33:38,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:33:38,127 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:33:38,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:33:38,127 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:33:38,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:33:38,127 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:33:38,127 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:33:38,128 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:33:38,129 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:33:38,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:33:38,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:33:38,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:33:38,196 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:33:38,196 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:33:38,197 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl [2018-10-14 18:33:38,197 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl' [2018-10-14 18:33:38,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:33:38,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:33:38,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:33:38,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:33:38,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:33:38,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:33:38" (1/1) ... [2018-10-14 18:33:38,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:33:38" (1/1) ... [2018-10-14 18:33:38,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:33:38" (1/1) ... [2018-10-14 18:33:38,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:33:38" (1/1) ... [2018-10-14 18:33:38,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:33:38" (1/1) ... [2018-10-14 18:33:38,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:33:38" (1/1) ... [2018-10-14 18:33:38,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:33:38" (1/1) ... [2018-10-14 18:33:38,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:33:38,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:33:38,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:33:38,346 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:33:38,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:33:38" (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 18:33:38,426 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:33:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:33:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:33:39,082 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:33:39,083 INFO L202 PluginConnector]: Adding new model openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:33:39 BoogieIcfgContainer [2018-10-14 18:33:39,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:33:39,084 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:33:39,084 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:33:39,085 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:33:39,088 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:33:39" (1/1) ... [2018-10-14 18:33:39,096 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:33:39,097 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:33:39,142 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:33:39,192 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:33:39,208 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:33:39,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:34:51,648 INFO L315 AbstractInterpreter]: Visited 78 different actions 141 times. Merged at 26 different actions 61 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:34:51,651 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:34:51,655 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:34:51,737 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 read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-14 18:34:51,777 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_13|) 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 18:34:51,779 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:34:51,779 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:34:51,780 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:34:51,780 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-14 18:34:51,780 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:34:51,780 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:34:51,781 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:34:51,781 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:34:51,781 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:34:51,781 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:34:51,781 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-14 18:34:51,781 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:34:51,782 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:34:51,782 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:34:51,782 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:34:51,784 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:34:51,804 INFO L202 PluginConnector]: Adding new model openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:34:51 BasicIcfg [2018-10-14 18:34:51,804 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:34:51,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:34:51,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:34:51,810 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:34:51,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:33:38" (1/3) ... [2018-10-14 18:34:51,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d93fe25 and model type openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:34:51, skipping insertion in model container [2018-10-14 18:34:51,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:33:39" (2/3) ... [2018-10-14 18:34:51,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d93fe25 and model type openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:34:51, skipping insertion in model container [2018-10-14 18:34:51,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:34:51" (3/3) ... [2018-10-14 18:34:51,813 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:34:51,823 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:34:51,832 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:34:51,851 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:34:51,877 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:34:51,877 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:34:51,878 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:34:51,878 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:34:51,878 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:34:51,879 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:34:51,879 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:34:51,879 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:34:51,879 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:34:51,896 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-10-14 18:34:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-14 18:34:51,904 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:34:51,905 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 18:34:51,906 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:34:51,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:34:51,910 INFO L82 PathProgramCache]: Analyzing trace with hash -233774352, now seen corresponding path program 1 times [2018-10-14 18:34:51,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:34:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:34:53,176 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 18:34:53,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:34:53,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-14 18:34:53,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-14 18:34:53,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-14 18:34:53,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-10-14 18:34:53,279 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 15 states. [2018-10-14 18:34:53,793 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-14 18:34:54,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:34:54,946 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-10-14 18:34:54,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-14 18:34:54,948 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 63 [2018-10-14 18:34:54,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:34:54,961 INFO L225 Difference]: With dead ends: 110 [2018-10-14 18:34:54,961 INFO L226 Difference]: Without dead ends: 110 [2018-10-14 18:34:54,963 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=191, Invalid=739, Unknown=0, NotChecked=0, Total=930 [2018-10-14 18:34:54,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-14 18:34:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 88. [2018-10-14 18:34:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-14 18:34:55,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-10-14 18:34:55,008 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 63 [2018-10-14 18:34:55,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:34:55,009 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-10-14 18:34:55,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-14 18:34:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-10-14 18:34:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-14 18:34:55,012 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:34:55,012 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-14 18:34:55,013 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:34:55,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:34:55,013 INFO L82 PathProgramCache]: Analyzing trace with hash -179115262, now seen corresponding path program 1 times [2018-10-14 18:34:55,014 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:34:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:34:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:34:56,327 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:34:56,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-10-14 18:34:56,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-10-14 18:34:56,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-10-14 18:34:56,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2018-10-14 18:34:56,330 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 26 states. [2018-10-14 18:34:57,734 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2018-10-14 18:34:58,201 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-10-14 18:34:58,403 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-10-14 18:34:58,719 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2018-10-14 18:34:58,938 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-10-14 18:34:59,109 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-10-14 18:34:59,266 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2018-10-14 18:34:59,481 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-10-14 18:34:59,760 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-10-14 18:34:59,991 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-10-14 18:35:00,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:35:00,304 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-10-14 18:35:00,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-14 18:35:00,305 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 87 [2018-10-14 18:35:00,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:35:00,307 INFO L225 Difference]: With dead ends: 134 [2018-10-14 18:35:00,308 INFO L226 Difference]: Without dead ends: 134 [2018-10-14 18:35:00,310 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=598, Invalid=2158, Unknown=0, NotChecked=0, Total=2756 [2018-10-14 18:35:00,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-10-14 18:35:00,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 112. [2018-10-14 18:35:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-14 18:35:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-10-14 18:35:00,320 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 87 [2018-10-14 18:35:00,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:35:00,321 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-10-14 18:35:00,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-10-14 18:35:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-10-14 18:35:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-14 18:35:00,323 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:35:00,323 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-14 18:35:00,323 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:35:00,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:35:00,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1604166380, now seen corresponding path program 2 times [2018-10-14 18:35:00,325 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:35:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:35:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:35:01,200 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:35:01,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-10-14 18:35:01,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-14 18:35:01,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-14 18:35:01,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2018-10-14 18:35:01,202 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 29 states. [2018-10-14 18:35:02,942 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2018-10-14 18:35:03,094 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-10-14 18:35:03,276 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-10-14 18:35:03,499 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2018-10-14 18:35:03,743 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-10-14 18:35:04,132 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-10-14 18:35:04,542 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-14 18:35:04,844 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2018-10-14 18:35:05,052 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2018-10-14 18:35:05,319 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2018-10-14 18:35:05,701 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2018-10-14 18:35:05,997 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2018-10-14 18:35:06,202 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2018-10-14 18:35:06,449 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2018-10-14 18:35:06,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:35:06,552 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-10-14 18:35:06,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-14 18:35:06,553 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 111 [2018-10-14 18:35:06,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:35:06,554 INFO L225 Difference]: With dead ends: 132 [2018-10-14 18:35:06,554 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:35:06,556 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=800, Invalid=2860, Unknown=0, NotChecked=0, Total=3660 [2018-10-14 18:35:06,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:35:06,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:35:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:35:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:35:06,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2018-10-14 18:35:06,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:35:06,558 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:35:06,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-14 18:35:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:35:06,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:35:06,562 INFO L202 PluginConnector]: Adding new model openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:35:06 BasicIcfg [2018-10-14 18:35:06,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:35:06,564 INFO L168 Benchmark]: Toolchain (without parser) took 88302.00 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-14 18:35:06,565 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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 18:35:06,566 INFO L168 Benchmark]: Boogie Preprocessor took 80.11 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 18:35:06,566 INFO L168 Benchmark]: RCFGBuilder took 737.72 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. [2018-10-14 18:35:06,567 INFO L168 Benchmark]: IcfgTransformer took 72720.94 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 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. [2018-10-14 18:35:06,568 INFO L168 Benchmark]: TraceAbstraction took 14757.14 ms. Allocated memory was 3.5 GB in the beginning and 4.0 GB in the end (delta: 515.9 MB). Free memory was 3.3 GB in the beginning and 2.5 GB in the end (delta: 798.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-14 18:35:06,573 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 0.15 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 80.11 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 737.72 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 72720.94 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 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14757.14 ms. Allocated memory was 3.5 GB in the beginning and 4.0 GB in the end (delta: 515.9 MB). Free memory was 3.3 GB in the beginning and 2.5 GB in the end (delta: 798.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 76 LocStat_MAX_WEQGRAPH_SIZE : 8 LocStat_MAX_SIZEOF_WEQEDGELABEL : 5 LocStat_NO_SUPPORTING_EQUALITIES : 2210 LocStat_NO_SUPPORTING_DISEQUALITIES : 417 LocStat_NO_DISJUNCTIONS : -152 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 78 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 84 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 78 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 25244.10 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 143 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 78 different actions 141 times. Merged at 26 different actions 61 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: 148]: 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, 78 locations, 1 error locations. SAFE Result, 14.6s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 11.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 163 SDtfs, 2817 SDslu, 1415 SDs, 0 SdLazy, 1889 SolverSat, 152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 44 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 261656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/60 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_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-35-06-590.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-35-06-590.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-35-06-590.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...