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_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:32:45,109 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:32:45,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:32:45,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:32:45,128 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:32:45,129 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:32:45,130 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:32:45,132 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:32:45,134 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:32:45,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:32:45,135 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:32:45,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:32:45,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:32:45,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:32:45,139 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:32:45,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:32:45,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:32:45,142 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:32:45,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:32:45,146 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:32:45,147 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:32:45,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:32:45,151 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:32:45,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:32:45,152 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:32:45,153 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:32:45,154 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:32:45,155 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:32:45,155 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:32:45,157 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:32:45,157 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:32:45,158 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 18:32:45,158 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 18:32:45,158 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 18:32:45,159 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 18:32:45,160 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 18:32:45,160 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 18:32:45,170 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:32:45,171 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:32:45,172 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:32:45,172 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:32:45,172 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:32:45,172 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:32:45,173 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:32:45,173 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:32:45,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:32:45,174 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:32:45,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:32:45,174 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:32:45,174 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:32:45,175 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:32:45,176 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:32:45,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:32:45,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:32:45,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:32:45,235 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:32:45,236 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:32:45,237 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-14 18:32:45,237 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-14 18:32:45,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:32:45,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:32:45,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:32:45,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:32:45,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:32:45,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:32:45" (1/1) ... [2018-10-14 18:32:45,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:32:45" (1/1) ... [2018-10-14 18:32:45,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:32:45" (1/1) ... [2018-10-14 18:32:45,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:32:45" (1/1) ... [2018-10-14 18:32:45,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:32:45" (1/1) ... [2018-10-14 18:32:45,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:32:45" (1/1) ... [2018-10-14 18:32:45,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:32:45" (1/1) ... [2018-10-14 18:32:45,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:32:45,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:32:45,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:32:45,419 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:32:45,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:32:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 18:32:45,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:32:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:32:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:32:46,146 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:32:46,147 INFO L202 PluginConnector]: Adding new model openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:32:46 BoogieIcfgContainer [2018-10-14 18:32:46,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:32:46,148 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:32:46,148 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:32:46,149 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:32:46,153 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:32:46" (1/1) ... [2018-10-14 18:32:46,160 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:32:46,161 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:32:46,201 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:32:46,254 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:32:46,273 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:32:46,343 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:34:40,564 INFO L315 AbstractInterpreter]: Visited 77 different actions 143 times. Merged at 26 different actions 63 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:34:40,567 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:34:40,571 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:34:40,614 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;) [2018-10-14 18:34:40,630 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];) [2018-10-14 18:34:40,666 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:34:40,667 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:34:40,667 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:34:40,667 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-14 18:34:40,667 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:34:40,668 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:34:40,668 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:34:40,668 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:34:40,668 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:34:40,668 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:34:40,668 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-14 18:34:40,669 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:34:40,669 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:34:40,669 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:34:40,669 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:34:40,672 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:34:40,695 INFO L202 PluginConnector]: Adding new model openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:34:40 BasicIcfg [2018-10-14 18:34:40,696 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:34:40,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:34:40,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:34:40,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:34:40,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:32:45" (1/3) ... [2018-10-14 18:34:40,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d12c81a and model type openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:34:40, skipping insertion in model container [2018-10-14 18:34:40,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:32:46" (2/3) ... [2018-10-14 18:34:40,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d12c81a and model type openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:34:40, skipping insertion in model container [2018-10-14 18:34:40,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:34:40" (3/3) ... [2018-10-14 18:34:40,704 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:34:40,714 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:34:40,723 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:34:40,740 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:34:40,765 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:34:40,766 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:34:40,766 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:34:40,766 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:34:40,766 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:34:40,767 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:34:40,767 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:34:40,767 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:34:40,767 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:34:40,781 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-10-14 18:34:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-14 18:34:40,789 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:34:40,790 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] [2018-10-14 18:34:40,791 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:34:40,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:34:40,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1517734248, now seen corresponding path program 1 times [2018-10-14 18:34:40,860 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:34:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:34:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:34:41,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:34:41,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-14 18:34:41,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-14 18:34:41,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-14 18:34:41,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-10-14 18:34:41,804 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 11 states. [2018-10-14 18:34:42,258 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-14 18:34:42,829 WARN L179 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-14 18:34:43,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:34:43,188 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-10-14 18:34:43,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-14 18:34:43,190 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 53 [2018-10-14 18:34:43,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:34:43,201 INFO L225 Difference]: With dead ends: 100 [2018-10-14 18:34:43,201 INFO L226 Difference]: Without dead ends: 100 [2018-10-14 18:34:43,203 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2018-10-14 18:34:43,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-14 18:34:43,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 78. [2018-10-14 18:34:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-14 18:34:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-14 18:34:43,247 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 53 [2018-10-14 18:34:43,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:34:43,248 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-10-14 18:34:43,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-14 18:34:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-14 18:34:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-14 18:34:43,251 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:34:43,251 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] [2018-10-14 18:34:43,252 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:34:43,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:34:43,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1131599338, now seen corresponding path program 1 times [2018-10-14 18:34:43,253 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:34:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:34:43,969 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-14 18:34:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:34:44,283 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:34:44,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-10-14 18:34:44,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-14 18:34:44,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-14 18:34:44,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2018-10-14 18:34:44,286 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 18 states. [2018-10-14 18:34:44,875 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-10-14 18:34:45,412 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-14 18:34:45,588 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-14 18:34:45,820 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-14 18:34:46,216 WARN L179 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2018-10-14 18:34:46,532 WARN L179 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-10-14 18:34:47,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:34:47,124 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-14 18:34:47,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-14 18:34:47,125 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 77 [2018-10-14 18:34:47,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:34:47,129 INFO L225 Difference]: With dead ends: 124 [2018-10-14 18:34:47,129 INFO L226 Difference]: Without dead ends: 124 [2018-10-14 18:34:47,130 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=302, Invalid=888, Unknown=0, NotChecked=0, Total=1190 [2018-10-14 18:34:47,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-10-14 18:34:47,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 102. [2018-10-14 18:34:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-14 18:34:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-10-14 18:34:47,141 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 77 [2018-10-14 18:34:47,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:34:47,141 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-10-14 18:34:47,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-14 18:34:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-10-14 18:34:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-14 18:34:47,145 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:34:47,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:34:47,146 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:34:47,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:34:47,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1302863676, now seen corresponding path program 2 times [2018-10-14 18:34:47,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:34:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:34:47,555 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-10-14 18:34:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:34:47,999 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:34:47,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-14 18:34:47,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-14 18:34:48,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-14 18:34:48,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-10-14 18:34:48,000 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 20 states. [2018-10-14 18:34:49,877 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-10-14 18:34:50,119 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2018-10-14 18:34:50,412 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2018-10-14 18:34:50,656 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-10-14 18:34:51,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:34:51,253 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-10-14 18:34:51,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-14 18:34:51,260 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 101 [2018-10-14 18:34:51,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:34:51,262 INFO L225 Difference]: With dead ends: 148 [2018-10-14 18:34:51,262 INFO L226 Difference]: Without dead ends: 148 [2018-10-14 18:34:51,264 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=329, Invalid=1153, Unknown=0, NotChecked=0, Total=1482 [2018-10-14 18:34:51,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-10-14 18:34:51,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 126. [2018-10-14 18:34:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-10-14 18:34:51,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-10-14 18:34:51,284 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 101 [2018-10-14 18:34:51,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:34:51,286 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-10-14 18:34:51,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-14 18:34:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-10-14 18:34:51,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-14 18:34:51,289 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:34:51,289 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:34:51,289 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:34:51,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:34:51,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1716195982, now seen corresponding path program 3 times [2018-10-14 18:34:51,295 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:34:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:34:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:34:52,190 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:34:52,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-14 18:34:52,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-14 18:34:52,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-14 18:34:52,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2018-10-14 18:34:52,192 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 21 states. [2018-10-14 18:34:53,676 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2018-10-14 18:34:53,837 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-14 18:34:54,034 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2018-10-14 18:34:54,223 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2018-10-14 18:34:54,427 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2018-10-14 18:34:54,718 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2018-10-14 18:34:54,930 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2018-10-14 18:34:55,319 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2018-10-14 18:34:55,607 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2018-10-14 18:34:55,746 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-14 18:34:55,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:34:55,752 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-10-14 18:34:55,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-14 18:34:55,754 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 125 [2018-10-14 18:34:55,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:34:55,756 INFO L225 Difference]: With dead ends: 146 [2018-10-14 18:34:55,756 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:34:55,757 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=439, Invalid=1367, Unknown=0, NotChecked=0, Total=1806 [2018-10-14 18:34:55,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:34:55,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:34:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:34:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:34:55,758 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2018-10-14 18:34:55,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:34:55,759 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:34:55,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-14 18:34:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:34:55,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:34:55,763 INFO L202 PluginConnector]: Adding new model openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:34:55 BasicIcfg [2018-10-14 18:34:55,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:34:55,764 INFO L168 Benchmark]: Toolchain (without parser) took 130425.75 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-14 18:34:55,765 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:34:55,766 INFO L168 Benchmark]: Boogie Preprocessor took 76.45 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:34:55,767 INFO L168 Benchmark]: RCFGBuilder took 729.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:34:55,767 INFO L168 Benchmark]: IcfgTransformer took 114548.11 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 157.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-14 18:34:55,768 INFO L168 Benchmark]: TraceAbstraction took 15066.69 ms. Allocated memory was 3.5 GB in the beginning and 4.2 GB in the end (delta: 609.2 MB). Free memory was 1.3 GB in the beginning and 2.7 GB in the end (delta: -1.4 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:34:55,772 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 0.21 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 76.45 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 729.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * IcfgTransformer took 114548.11 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 157.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * TraceAbstraction took 15066.69 ms. Allocated memory was 3.5 GB in the beginning and 4.2 GB in the end (delta: 609.2 MB). Free memory was 1.3 GB in the beginning and 2.7 GB in the end (delta: -1.4 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 : 75 LocStat_MAX_WEQGRAPH_SIZE : 8 LocStat_MAX_SIZEOF_WEQEDGELABEL : 9 LocStat_NO_SUPPORTING_EQUALITIES : 2111 LocStat_NO_SUPPORTING_DISEQUALITIES : 419 LocStat_NO_DISJUNCTIONS : -150 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 77 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 82 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 77 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 27294.23 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 145 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 77 different actions 143 times. Merged at 26 different actions 63 times. Widened at 1 different actions 1 times. 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: 145]: 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, 77 locations, 1 error locations. SAFE Result, 15.0s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 11.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 271 SDtfs, 2590 SDslu, 2099 SDs, 0 SdLazy, 1765 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred 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, 66 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 418184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 5/114 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_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-34-55-787.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-34-55-787.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-34-55-787.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...