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_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:41:19,843 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:41:19,845 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:41:19,862 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:41:19,863 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:41:19,864 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:41:19,865 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:41:19,867 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:41:19,869 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:41:19,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:41:19,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:41:19,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:41:19,872 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:41:19,873 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:41:19,874 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:41:19,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:41:19,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:41:19,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:41:19,879 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:41:19,880 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:41:19,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:41:19,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:41:19,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:41:19,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:41:19,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:41:19,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:41:19,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:41:19,888 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:41:19,888 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:41:19,889 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:41:19,890 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:41:19,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:41:19,891 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:41:19,891 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:41:19,892 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:41:19,892 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:41:19,893 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 16:41:19,904 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:41:19,904 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:41:19,906 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:41:19,906 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:41:19,906 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:41:19,906 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:41:19,907 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:41:19,907 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:41:19,907 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:41:19,908 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:41:19,908 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:41:19,908 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:41:19,908 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:41:19,910 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:41:19,910 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:41:19,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:41:20,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:41:20,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:41:20,011 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:41:20,011 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:41:20,012 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl [2018-10-10 16:41:20,013 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl' [2018-10-10 16:41:20,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:41:20,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:41:20,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:41:20,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:41:20,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:41:20,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:20" (1/1) ... [2018-10-10 16:41:20,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:20" (1/1) ... [2018-10-10 16:41:20,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:20" (1/1) ... [2018-10-10 16:41:20,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:20" (1/1) ... [2018-10-10 16:41:20,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:20" (1/1) ... [2018-10-10 16:41:20,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:20" (1/1) ... [2018-10-10 16:41:20,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:20" (1/1) ... [2018-10-10 16:41:20,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:41:20,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:41:20,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:41:20,130 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:41:20,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:20" (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 16:41:20,213 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:41:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:41:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:41:20,710 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:41:20,711 INFO L202 PluginConnector]: Adding new model openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:41:20 BoogieIcfgContainer [2018-10-10 16:41:20,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:41:20,712 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:41:20,712 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:41:20,713 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:41:20,718 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:41:20" (1/1) ... [2018-10-10 16:41:20,728 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:41:20,728 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:41:20,767 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:41:20,805 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:41:20,820 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:41:20,899 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:41:26,052 INFO L315 AbstractInterpreter]: Visited 51 different actions 76 times. Merged at 15 different actions 23 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:41:26,055 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:41:26,059 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:41:26,070 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 read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-10 16:41:26,145 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:41:26,146 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:41:26,147 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:41:26,147 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:41:26,147 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:41:26,147 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:41:26,148 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:41:26,148 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:41:26,148 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:41:26,148 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:41:26,149 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:41:26,149 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:41:26,149 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:41:26,149 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:41:26,149 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:41:26,151 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:41:26,170 INFO L202 PluginConnector]: Adding new model openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:41:26 BasicIcfg [2018-10-10 16:41:26,171 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:41:26,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:41:26,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:41:26,175 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:41:26,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:41:20" (1/3) ... [2018-10-10 16:41:26,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62565052 and model type openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:41:26, skipping insertion in model container [2018-10-10 16:41:26,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:41:20" (2/3) ... [2018-10-10 16:41:26,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62565052 and model type openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:41:26, skipping insertion in model container [2018-10-10 16:41:26,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:41:26" (3/3) ... [2018-10-10 16:41:26,179 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:41:26,192 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:41:26,201 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:41:26,221 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:41:26,249 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:41:26,250 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:41:26,250 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:41:26,250 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:41:26,251 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:41:26,252 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:41:26,252 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:41:26,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:41:26,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:41:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-10-10 16:41:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-10 16:41:26,288 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:26,289 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] [2018-10-10 16:41:26,290 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:26,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:26,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1881481045, now seen corresponding path program 1 times [2018-10-10 16:41:26,367 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:28,575 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-10 16:41:28,587 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 16:41:28,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:41:28,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-10 16:41:28,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 16:41:28,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 16:41:28,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-10-10 16:41:28,613 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 12 states. [2018-10-10 16:41:29,814 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-10 16:41:30,610 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-10 16:41:30,900 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-10-10 16:41:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:31,167 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-10-10 16:41:31,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 16:41:31,168 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-10-10 16:41:31,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:31,179 INFO L225 Difference]: With dead ends: 63 [2018-10-10 16:41:31,179 INFO L226 Difference]: Without dead ends: 63 [2018-10-10 16:41:31,181 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2018-10-10 16:41:31,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-10-10 16:41:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 52. [2018-10-10 16:41:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-10-10 16:41:31,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-10-10 16:41:31,222 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 38 [2018-10-10 16:41:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:31,222 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-10-10 16:41:31,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 16:41:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-10-10 16:41:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-10 16:41:31,224 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:31,225 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] [2018-10-10 16:41:31,225 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:31,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:31,225 INFO L82 PathProgramCache]: Analyzing trace with hash -139230693, now seen corresponding path program 1 times [2018-10-10 16:41:31,226 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:32,212 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 16:41:32,213 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:41:32,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-10-10 16:41:32,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 16:41:32,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 16:41:32,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2018-10-10 16:41:32,216 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 19 states. [2018-10-10 16:41:33,213 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-10 16:41:34,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:34,125 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-10-10 16:41:34,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-10 16:41:34,132 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 51 [2018-10-10 16:41:34,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:34,134 INFO L225 Difference]: With dead ends: 76 [2018-10-10 16:41:34,134 INFO L226 Difference]: Without dead ends: 76 [2018-10-10 16:41:34,136 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=328, Invalid=862, Unknown=0, NotChecked=0, Total=1190 [2018-10-10 16:41:34,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-10-10 16:41:34,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65. [2018-10-10 16:41:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-10-10 16:41:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-10-10 16:41:34,143 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 51 [2018-10-10 16:41:34,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:34,144 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-10-10 16:41:34,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 16:41:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-10-10 16:41:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-10 16:41:34,146 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:34,146 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:41:34,147 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:34,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:34,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1067340053, now seen corresponding path program 2 times [2018-10-10 16:41:34,148 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:41:35,084 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:41:35,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-10 16:41:35,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-10 16:41:35,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-10 16:41:35,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2018-10-10 16:41:35,086 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 20 states. [2018-10-10 16:41:35,940 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-10 16:41:36,253 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-10 16:41:36,624 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2018-10-10 16:41:36,998 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2018-10-10 16:41:37,356 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2018-10-10 16:41:37,751 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2018-10-10 16:41:38,056 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2018-10-10 16:41:38,271 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-10 16:41:38,430 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-10 16:41:38,696 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-10 16:41:38,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:38,734 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-10-10 16:41:38,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 16:41:38,735 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 64 [2018-10-10 16:41:38,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:38,740 INFO L225 Difference]: With dead ends: 89 [2018-10-10 16:41:38,740 INFO L226 Difference]: Without dead ends: 89 [2018-10-10 16:41:38,741 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=342, Invalid=990, Unknown=0, NotChecked=0, Total=1332 [2018-10-10 16:41:38,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-10-10 16:41:38,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 78. [2018-10-10 16:41:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-10 16:41:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-10 16:41:38,756 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 64 [2018-10-10 16:41:38,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:38,758 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-10-10 16:41:38,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-10 16:41:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-10 16:41:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-10 16:41:38,761 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:38,762 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-10-10 16:41:38,762 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:38,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:38,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1362548645, now seen corresponding path program 3 times [2018-10-10 16:41:38,763 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:41:39,364 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:41:39,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-10 16:41:39,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-10 16:41:39,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-10 16:41:39,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2018-10-10 16:41:39,366 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 21 states. [2018-10-10 16:41:41,003 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-10-10 16:41:41,350 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2018-10-10 16:41:41,632 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2018-10-10 16:41:41,878 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2018-10-10 16:41:42,138 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2018-10-10 16:41:42,334 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-10 16:41:42,547 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2018-10-10 16:41:42,877 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2018-10-10 16:41:43,166 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2018-10-10 16:41:43,390 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2018-10-10 16:41:43,628 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-10 16:41:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:43,633 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-10-10 16:41:43,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 16:41:43,635 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 77 [2018-10-10 16:41:43,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:43,636 INFO L225 Difference]: With dead ends: 87 [2018-10-10 16:41:43,636 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:41:43,637 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=501, Invalid=1221, Unknown=0, NotChecked=0, Total=1722 [2018-10-10 16:41:43,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:41:43,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:41:43,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:41:43,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:41:43,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2018-10-10 16:41:43,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:43,639 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:41:43,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-10 16:41:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:41:43,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:41:43,644 INFO L202 PluginConnector]: Adding new model openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:41:43 BasicIcfg [2018-10-10 16:41:43,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:41:43,645 INFO L168 Benchmark]: Toolchain (without parser) took 23575.33 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -763.8 MB). Peak memory consumption was 422.2 MB. Max. memory is 7.1 GB. [2018-10-10 16:41:43,646 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:41:43,647 INFO L168 Benchmark]: Boogie Preprocessor took 55.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:41:43,647 INFO L168 Benchmark]: RCFGBuilder took 581.61 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-10 16:41:43,648 INFO L168 Benchmark]: IcfgTransformer took 5459.22 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 226.5 MB). Free memory was 1.4 GB in the beginning and 960.4 MB in the end (delta: 479.4 MB). Peak memory consumption was 705.9 MB. Max. memory is 7.1 GB. [2018-10-10 16:41:43,649 INFO L168 Benchmark]: TraceAbstraction took 17472.43 ms. Allocated memory was 1.8 GB in the beginning and 2.7 GB in the end (delta: 959.4 MB). Free memory was 960.4 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:41:43,653 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 581.61 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 5459.22 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 226.5 MB). Free memory was 1.4 GB in the beginning and 960.4 MB in the end (delta: 479.4 MB). Peak memory consumption was 705.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17472.43 ms. Allocated memory was 1.8 GB in the beginning and 2.7 GB in the end (delta: 959.4 MB). Free memory was 960.4 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 49 LocStat_MAX_WEQGRAPH_SIZE : 7 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 1105 LocStat_NO_SUPPORTING_DISEQUALITIES : 136 LocStat_NO_DISJUNCTIONS : -98 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 51 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 50 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 51 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 4071.08 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 78 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 51 different actions 76 times. Merged at 15 different actions 23 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 4 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 COUNT_ARRAY_READS for [#memory_int, ULTIMATE.start_write~int_old_#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: 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, 51 locations, 1 error locations. SAFE Result, 17.4s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 12.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 144 SDtfs, 1874 SDslu, 1069 SDs, 0 SdLazy, 1241 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 187918 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/70 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_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-41-43-669.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-41-43-669.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-41-43-669.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...