java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 22:58:52,971 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 22:58:52,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 22:58:52,990 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 22:58:52,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 22:58:52,991 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 22:58:52,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 22:58:52,996 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 22:58:52,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 22:58:53,004 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 22:58:53,005 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 22:58:53,006 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 22:58:53,009 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 22:58:53,010 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 22:58:53,011 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 22:58:53,011 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 22:58:53,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 22:58:53,014 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 22:58:53,016 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 22:58:53,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 22:58:53,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 22:58:53,019 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 22:58:53,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 22:58:53,021 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 22:58:53,022 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 22:58:53,022 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 22:58:53,023 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 22:58:53,024 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 22:58:53,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 22:58:53,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 22:58:53,026 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 22:58:53,027 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-12 22:58:53,033 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 22:58:53,048 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 22:58:53,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 22:58:53,049 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 22:58:53,050 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 22:58:53,050 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 22:58:53,050 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 22:58:53,051 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 22:58:53,052 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 22:58:53,052 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 22:58:53,052 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 22:58:53,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 22:58:53,052 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 22:58:53,053 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 22:58:53,054 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 22:58:53,054 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 22:58:53,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 22:58:53,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 22:58:53,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 22:58:53,137 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 22:58:53,137 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 22:58:53,138 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-12 22:58:53,138 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-12 22:58:53,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 22:58:53,204 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 22:58:53,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 22:58:53,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 22:58:53,205 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 22:58:53,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:58:53" (1/1) ... [2018-10-12 22:58:53,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:58:53" (1/1) ... [2018-10-12 22:58:53,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:58:53" (1/1) ... [2018-10-12 22:58:53,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:58:53" (1/1) ... [2018-10-12 22:58:53,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:58:53" (1/1) ... [2018-10-12 22:58:53,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:58:53" (1/1) ... [2018-10-12 22:58:53,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:58:53" (1/1) ... [2018-10-12 22:58:53,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 22:58:53,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 22:58:53,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 22:58:53,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 22:58:53,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:58:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-12 22:58:53,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 22:58:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 22:58:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 22:58:53,930 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 22:58:53,931 INFO L202 PluginConnector]: Adding new model openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:58:53 BoogieIcfgContainer [2018-10-12 22:58:53,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 22:58:53,931 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 22:58:53,931 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 22:58:53,932 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 22:58:53,936 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:58:53" (1/1) ... [2018-10-12 22:58:53,945 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 22:58:53,946 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 22:58:53,989 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 22:58:54,061 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 22:58:54,087 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 22:58:54,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 23:02:16,776 INFO L315 AbstractInterpreter]: Visited 78 different actions 199 times. Merged at 26 different actions 116 times. Widened at 3 different actions 5 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 23:02:16,779 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 23:02:16,785 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 23:02:17,052 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];) [2018-10-12 23:02:17,139 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;) [2018-10-12 23:02:17,187 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 23:02:17,188 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:02:17,188 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:02:17,188 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 23:02:17,188 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 23:02:17,189 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:02:17,189 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:02:17,189 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:02:17,189 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:02:17,189 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:02:17,189 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 23:02:17,190 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 23:02:17,190 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:02:17,190 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:02:17,190 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:02:17,193 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 23:02:17,226 INFO L202 PluginConnector]: Adding new model openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 11:02:17 BasicIcfg [2018-10-12 23:02:17,226 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 23:02:17,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 23:02:17,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 23:02:17,231 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 23:02:17,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:58:53" (1/3) ... [2018-10-12 23:02:17,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc4352b and model type openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:02:17, skipping insertion in model container [2018-10-12 23:02:17,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:58:53" (2/3) ... [2018-10-12 23:02:17,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc4352b and model type openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:02:17, skipping insertion in model container [2018-10-12 23:02:17,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 11:02:17" (3/3) ... [2018-10-12 23:02:17,235 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 23:02:17,245 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 23:02:17,254 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 23:02:17,271 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 23:02:17,301 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 23:02:17,302 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 23:02:17,302 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 23:02:17,302 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 23:02:17,302 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 23:02:17,304 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 23:02:17,304 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 23:02:17,304 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 23:02:17,304 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 23:02:17,329 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-10-12 23:02:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-12 23:02:17,345 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:02:17,347 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 23:02:17,348 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:02:17,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:02:17,355 INFO L82 PathProgramCache]: Analyzing trace with hash 303957693, now seen corresponding path program 1 times [2018-10-12 23:02:17,413 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:02:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:02:18,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:02:18,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 23:02:18,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-12 23:02:18,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-12 23:02:18,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-12 23:02:18,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-10-12 23:02:18,233 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 11 states. [2018-10-12 23:02:18,606 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-12 23:02:19,225 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-12 23:02:19,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:02:19,451 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-10-12 23:02:19,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-12 23:02:19,452 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2018-10-12 23:02:19,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:02:19,463 INFO L225 Difference]: With dead ends: 101 [2018-10-12 23:02:19,464 INFO L226 Difference]: Without dead ends: 101 [2018-10-12 23:02:19,466 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2018-10-12 23:02:19,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-10-12 23:02:19,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 79. [2018-10-12 23:02:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-10-12 23:02:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-10-12 23:02:19,507 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 54 [2018-10-12 23:02:19,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:02:19,508 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-10-12 23:02:19,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-12 23:02:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-10-12 23:02:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-12 23:02:19,510 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:02:19,511 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 23:02:19,511 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:02:19,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:02:19,512 INFO L82 PathProgramCache]: Analyzing trace with hash -487408021, now seen corresponding path program 1 times [2018-10-12 23:02:19,513 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:02:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:02:20,033 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-12 23:02:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:02:20,456 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:02:20,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-10-12 23:02:20,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-12 23:02:20,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-12 23:02:20,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2018-10-12 23:02:20,458 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 18 states. [2018-10-12 23:02:21,057 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-10-12 23:02:21,294 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-10-12 23:02:21,465 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-10-12 23:02:21,645 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-12 23:02:21,812 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-12 23:02:22,000 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-12 23:02:22,308 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2018-10-12 23:02:22,628 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-10-12 23:02:23,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:02:23,245 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-10-12 23:02:23,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-12 23:02:23,246 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 78 [2018-10-12 23:02:23,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:02:23,249 INFO L225 Difference]: With dead ends: 125 [2018-10-12 23:02:23,249 INFO L226 Difference]: Without dead ends: 125 [2018-10-12 23:02:23,251 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=302, Invalid=888, Unknown=0, NotChecked=0, Total=1190 [2018-10-12 23:02:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-10-12 23:02:23,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 103. [2018-10-12 23:02:23,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-12 23:02:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-10-12 23:02:23,261 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 78 [2018-10-12 23:02:23,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:02:23,262 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-10-12 23:02:23,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-12 23:02:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-10-12 23:02:23,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-12 23:02:23,265 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:02:23,266 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, 1] [2018-10-12 23:02:23,266 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:02:23,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:02:23,267 INFO L82 PathProgramCache]: Analyzing trace with hash -676934631, now seen corresponding path program 2 times [2018-10-12 23:02:23,268 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:02:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:02:23,732 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-10-12 23:02:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:02:24,192 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:02:24,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-12 23:02:24,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-12 23:02:24,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-12 23:02:24,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-10-12 23:02:24,193 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 20 states. [2018-10-12 23:02:25,192 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-12 23:02:26,138 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-10-12 23:02:26,390 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2018-10-12 23:02:26,697 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2018-10-12 23:02:26,918 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-10-12 23:02:27,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:02:27,417 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-10-12 23:02:27,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-12 23:02:27,424 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 102 [2018-10-12 23:02:27,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:02:27,426 INFO L225 Difference]: With dead ends: 149 [2018-10-12 23:02:27,426 INFO L226 Difference]: Without dead ends: 149 [2018-10-12 23:02:27,429 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=329, Invalid=1153, Unknown=0, NotChecked=0, Total=1482 [2018-10-12 23:02:27,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-10-12 23:02:27,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127. [2018-10-12 23:02:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-10-12 23:02:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-10-12 23:02:27,447 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 102 [2018-10-12 23:02:27,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:02:27,447 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-10-12 23:02:27,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-12 23:02:27,448 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-10-12 23:02:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-12 23:02:27,452 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:02:27,453 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, 1] [2018-10-12 23:02:27,453 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:02:27,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:02:27,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1024995271, now seen corresponding path program 3 times [2018-10-12 23:02:27,456 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:02:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:02:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:02:28,315 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:02:28,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-12 23:02:28,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-12 23:02:28,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-12 23:02:28,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2018-10-12 23:02:28,317 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 21 states. [2018-10-12 23:02:29,790 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2018-10-12 23:02:29,955 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-12 23:02:30,159 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2018-10-12 23:02:30,383 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2018-10-12 23:02:30,637 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2018-10-12 23:02:30,953 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2018-10-12 23:02:31,189 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2018-10-12 23:02:31,476 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2018-10-12 23:02:31,775 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2018-10-12 23:02:31,929 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-12 23:02:31,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:02:31,935 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-10-12 23:02:31,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-12 23:02:31,935 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 126 [2018-10-12 23:02:31,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:02:31,937 INFO L225 Difference]: With dead ends: 147 [2018-10-12 23:02:31,937 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 23:02:31,938 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=439, Invalid=1367, Unknown=0, NotChecked=0, Total=1806 [2018-10-12 23:02:31,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 23:02:31,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 23:02:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 23:02:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 23:02:31,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 126 [2018-10-12 23:02:31,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:02:31,940 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 23:02:31,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-12 23:02:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 23:02:31,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 23:02:31,944 INFO L202 PluginConnector]: Adding new model openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:02:31 BasicIcfg [2018-10-12 23:02:31,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 23:02:31,944 INFO L168 Benchmark]: Toolchain (without parser) took 218741.55 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -918.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-12 23:02:31,946 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 23:02:31,946 INFO L168 Benchmark]: Boogie Preprocessor took 54.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 23:02:31,947 INFO L168 Benchmark]: RCFGBuilder took 671.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-12 23:02:31,947 INFO L168 Benchmark]: IcfgTransformer took 203295.34 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 313.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-12 23:02:31,948 INFO L168 Benchmark]: TraceAbstraction took 14715.96 ms. Allocated memory was 3.5 GB in the beginning and 3.9 GB in the end (delta: 401.6 MB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 23:02:31,954 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 0.20 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 54.38 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 671.60 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 203295.34 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 313.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * TraceAbstraction took 14715.96 ms. Allocated memory was 3.5 GB in the beginning and 3.9 GB in the end (delta: 401.6 MB). Free memory was 1.1 GB in the beginning and 2.4 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 : 76 LocStat_MAX_WEQGRAPH_SIZE : 7 LocStat_MAX_SIZEOF_WEQEDGELABEL : 9 LocStat_NO_SUPPORTING_EQUALITIES : 2194 LocStat_NO_SUPPORTING_DISEQUALITIES : 427 LocStat_NO_DISJUNCTIONS : -152 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 78 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 84 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 78 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 72924.04 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 201 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 78 different actions 199 times. Merged at 26 different actions 116 times. Widened at 3 different actions 5 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: 148]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. SAFE Result, 14.6s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 10.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 275 SDtfs, 2622 SDslu, 2064 SDs, 0 SdLazy, 1718 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred 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, 3.1s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 356 ConstructedInterpolants, 0 QuantifiedInterpolants, 428185 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_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_23-02-31-967.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_23-02-31-967.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_23-02-31-967.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...