java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:41:36,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:41:36,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:41:36,099 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:41:36,099 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:41:36,100 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:41:36,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:41:36,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:41:36,105 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:41:36,108 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:41:36,110 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:41:36,111 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:41:36,111 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:41:36,113 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:41:36,116 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:41:36,117 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:41:36,118 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:41:36,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:41:36,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:41:36,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:41:36,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:41:36,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:41:36,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:41:36,142 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:41:36,142 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:41:36,143 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:41:36,144 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:41:36,146 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:41:36,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:41:36,148 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:41:36,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:41:36,149 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:41:36,149 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:41:36,149 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:41:36,150 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:41:36,152 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:41:36,153 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 16:41:36,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:41:36,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:41:36,170 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:41:36,171 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:41:36,174 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:41:36,174 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:41:36,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:41:36,175 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:41:36,175 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:41:36,175 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:41:36,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:41:36,176 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:41:36,176 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:41:36,177 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:41:36,177 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:41:36,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:41:36,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:41:36,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:41:36,266 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:41:36,266 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:41:36,267 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-10 16:41:36,268 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl' [2018-10-10 16:41:36,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:41:36,369 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:41:36,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:41:36,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:41:36,370 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:41:36,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:36" (1/1) ... [2018-10-10 16:41:36,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:36" (1/1) ... [2018-10-10 16:41:36,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:36" (1/1) ... [2018-10-10 16:41:36,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:36" (1/1) ... [2018-10-10 16:41:36,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:36" (1/1) ... [2018-10-10 16:41:36,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:36" (1/1) ... [2018-10-10 16:41:36,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:36" (1/1) ... [2018-10-10 16:41:36,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:41:36,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:41:36,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:41:36,429 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:41:36,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:36" (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 16:41:36,508 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:41:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:41:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:41:37,246 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:41:37,248 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:41:37 BoogieIcfgContainer [2018-10-10 16:41:37,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:41:37,248 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:41:37,248 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:41:37,249 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:41:37,253 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:41:37" (1/1) ... [2018-10-10 16:41:37,260 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:41:37,260 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:41:37,305 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:41:37,348 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:41:37,364 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:41:37,440 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:42:38,795 INFO L315 AbstractInterpreter]: Visited 102 different actions 153 times. Merged at 41 different actions 49 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:42:38,798 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:42:38,802 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:42:38,853 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_7|) |v_ULTIMATE.start_read~int_#ptr.offset_5|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-10 16:42:38,895 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_19|) |v_ULTIMATE.start_read~int_#ptr.offset_13|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-10 16:42:38,947 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 16:42:38,984 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 16:42:39,041 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:42:39,042 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:42:39,042 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:42:39,043 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:42:39,043 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:42:39,043 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:42:39,043 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:42:39,044 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:42:39,044 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:42:39,044 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:42:39,044 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:42:39,044 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:42:39,045 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:42:39,045 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:42:39,045 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:42:39,047 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:42:39,072 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:42:39 BasicIcfg [2018-10-10 16:42:39,072 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:42:39,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:42:39,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:42:39,077 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:42:39,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:36" (1/3) ... [2018-10-10 16:42:39,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebcaf1f and model type openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:42:39, skipping insertion in model container [2018-10-10 16:42:39,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:41:37" (2/3) ... [2018-10-10 16:42:39,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebcaf1f and model type openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:42:39, skipping insertion in model container [2018-10-10 16:42:39,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:42:39" (3/3) ... [2018-10-10 16:42:39,083 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:42:39,104 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:42:39,113 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:42:39,134 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:42:39,169 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:42:39,170 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:42:39,171 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:42:39,171 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:42:39,171 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:42:39,171 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:42:39,172 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:42:39,172 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:42:39,172 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:42:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-10-10 16:42:39,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-10 16:42:39,203 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:42:39,204 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] [2018-10-10 16:42:39,205 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:42:39,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:42:39,213 INFO L82 PathProgramCache]: Analyzing trace with hash -299045832, now seen corresponding path program 1 times [2018-10-10 16:42:39,282 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:42:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:42:40,662 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 16:42:40,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:42:40,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-10 16:42:40,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 16:42:40,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 16:42:40,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-10-10 16:42:40,820 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 16 states. [2018-10-10 16:42:41,716 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-10 16:42:42,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:42:42,925 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-10 16:42:42,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 16:42:42,927 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2018-10-10 16:42:42,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:42:42,939 INFO L225 Difference]: With dead ends: 124 [2018-10-10 16:42:42,939 INFO L226 Difference]: Without dead ends: 124 [2018-10-10 16:42:42,942 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=220, Invalid=902, Unknown=0, NotChecked=0, Total=1122 [2018-10-10 16:42:42,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-10-10 16:42:42,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2018-10-10 16:42:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-10 16:42:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-10-10 16:42:42,987 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 63 [2018-10-10 16:42:42,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:42:42,988 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-10-10 16:42:42,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 16:42:42,988 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-10-10 16:42:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-10 16:42:42,992 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:42:42,992 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:42:42,993 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:42:42,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:42:42,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1387798473, now seen corresponding path program 1 times [2018-10-10 16:42:42,994 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:42:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:42:43,905 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 16:42:43,906 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:42:43,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-10-10 16:42:43,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 16:42:43,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 16:42:43,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2018-10-10 16:42:43,909 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 18 states. [2018-10-10 16:42:45,131 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-10 16:42:45,314 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-10-10 16:42:45,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:42:45,662 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-10-10 16:42:45,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 16:42:45,670 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 102 [2018-10-10 16:42:45,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:42:45,673 INFO L225 Difference]: With dead ends: 163 [2018-10-10 16:42:45,673 INFO L226 Difference]: Without dead ends: 163 [2018-10-10 16:42:45,675 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2018-10-10 16:42:45,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-10-10 16:42:45,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 142. [2018-10-10 16:42:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-10-10 16:42:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-10-10 16:42:45,687 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 102 [2018-10-10 16:42:45,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:42:45,688 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-10-10 16:42:45,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 16:42:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-10-10 16:42:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-10 16:42:45,691 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:42:45,691 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:42:45,691 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:42:45,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:42:45,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1218151592, now seen corresponding path program 2 times [2018-10-10 16:42:45,693 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:42:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:42:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:42:47,255 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:42:47,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-10-10 16:42:47,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-10 16:42:47,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-10 16:42:47,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2018-10-10 16:42:47,257 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 28 states. [2018-10-10 16:42:50,802 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-10 16:42:51,073 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2018-10-10 16:42:51,505 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-10 16:42:51,849 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-10 16:42:52,131 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2018-10-10 16:42:52,264 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2018-10-10 16:42:52,422 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2018-10-10 16:42:52,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:42:52,612 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-10-10 16:42:52,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-10 16:42:52,614 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 141 [2018-10-10 16:42:52,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:42:52,616 INFO L225 Difference]: With dead ends: 202 [2018-10-10 16:42:52,617 INFO L226 Difference]: Without dead ends: 202 [2018-10-10 16:42:52,618 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=422, Invalid=2548, Unknown=0, NotChecked=0, Total=2970 [2018-10-10 16:42:52,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-10-10 16:42:52,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 181. [2018-10-10 16:42:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-10-10 16:42:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-10-10 16:42:52,633 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 141 [2018-10-10 16:42:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:42:52,634 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-10-10 16:42:52,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-10 16:42:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-10-10 16:42:52,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-10 16:42:52,637 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:42:52,637 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:42:52,638 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:42:52,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:42:52,638 INFO L82 PathProgramCache]: Analyzing trace with hash 561745175, now seen corresponding path program 3 times [2018-10-10 16:42:52,639 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:42:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:42:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-10 16:42:53,606 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:42:53,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-10-10 16:42:53,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-10 16:42:53,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-10 16:42:53,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2018-10-10 16:42:53,610 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 25 states. [2018-10-10 16:42:55,177 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2018-10-10 16:42:55,344 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2018-10-10 16:42:55,564 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2018-10-10 16:42:55,747 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2018-10-10 16:42:55,885 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2018-10-10 16:42:56,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:42:56,389 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-10-10 16:42:56,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-10 16:42:56,391 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 180 [2018-10-10 16:42:56,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:42:56,393 INFO L225 Difference]: With dead ends: 179 [2018-10-10 16:42:56,393 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:42:56,395 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=443, Invalid=2209, Unknown=0, NotChecked=0, Total=2652 [2018-10-10 16:42:56,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:42:56,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:42:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:42:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:42:56,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2018-10-10 16:42:56,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:42:56,399 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:42:56,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-10 16:42:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:42:56,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:42:56,404 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:42:56 BasicIcfg [2018-10-10 16:42:56,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:42:56,405 INFO L168 Benchmark]: Toolchain (without parser) took 80037.27 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -485.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-10 16:42:56,406 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:42:56,407 INFO L168 Benchmark]: Boogie Preprocessor took 58.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:42:56,407 INFO L168 Benchmark]: RCFGBuilder took 819.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 16:42:56,408 INFO L168 Benchmark]: IcfgTransformer took 61824.24 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 535.0 MB. Max. memory is 7.1 GB. [2018-10-10 16:42:56,409 INFO L168 Benchmark]: TraceAbstraction took 17330.82 ms. Allocated memory was 3.4 GB in the beginning and 3.7 GB in the end (delta: 287.8 MB). Free memory was 2.8 GB in the beginning and 1.9 GB in the end (delta: 858.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-10 16:42:56,414 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 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 819.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 61824.24 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 535.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17330.82 ms. Allocated memory was 3.4 GB in the beginning and 3.7 GB in the end (delta: 287.8 MB). Free memory was 2.8 GB in the beginning and 1.9 GB in the end (delta: 858.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 100 LocStat_MAX_WEQGRAPH_SIZE : 17 LocStat_MAX_SIZEOF_WEQEDGELABEL : 6 LocStat_NO_SUPPORTING_EQUALITIES : 3585 LocStat_NO_SUPPORTING_DISEQUALITIES : 804 LocStat_NO_DISJUNCTIONS : -200 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 102 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 100 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 102 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 41846.87 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 155 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 102 different actions 153 times. Merged at 41 different actions 49 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 4 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 3 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 COUNT_ARRAY_READS for [#memory_int, ULTIMATE.start_write~int_old_#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 102 locations, 1 error locations. SAFE Result, 17.2s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 12.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 290 SDtfs, 2823 SDslu, 3009 SDs, 0 SdLazy, 3114 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 63 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 482 ConstructedInterpolants, 0 QuantifiedInterpolants, 976173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 75/174 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-42-56-445.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-42-56-445.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-42-56-445.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...