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-b8f97f7-m [2018-10-10 16:39:21,747 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:39:21,749 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:39:21,765 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:39:21,765 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:39:21,766 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:39:21,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:39:21,769 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:39:21,771 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:39:21,772 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:39:21,773 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:39:21,773 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:39:21,774 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:39:21,775 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:39:21,777 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:39:21,777 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:39:21,778 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:39:21,780 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:39:21,782 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:39:21,787 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:39:21,788 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:39:21,790 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:39:21,792 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:39:21,793 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:39:21,793 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:39:21,794 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:39:21,795 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:39:21,796 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:39:21,797 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:39:21,798 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:39:21,798 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:39:21,799 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:39:21,799 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:39:21,799 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:39:21,804 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:39:21,805 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:39:21,806 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 16:39:21,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:39:21,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:39:21,823 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:39:21,823 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:39:21,823 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:39:21,823 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:39:21,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:39:21,824 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:39:21,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:39:21,827 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:39:21,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:39:21,827 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:39:21,827 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:39:21,828 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:39:21,829 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:39:21,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:39:21,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:39:21,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:39:21,912 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:39:21,912 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:39:21,913 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-10 16:39:21,914 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-10 16:39:22,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:39:22,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:39:22,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:39:22,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:39:22,014 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:39:22,043 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 10.10 04:39:21" (1/1) ... [2018-10-10 16:39:22,046 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 10.10 04:39:21" (1/1) ... [2018-10-10 16:39:22,065 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 10.10 04:39:21" (1/1) ... [2018-10-10 16:39:22,065 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 10.10 04:39:21" (1/1) ... [2018-10-10 16:39:22,080 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 10.10 04:39:21" (1/1) ... [2018-10-10 16:39:22,083 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 10.10 04:39:21" (1/1) ... [2018-10-10 16:39:22,091 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 10.10 04:39:21" (1/1) ... [2018-10-10 16:39:22,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:39:22,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:39:22,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:39:22,099 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:39:22,103 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 10.10 04:39:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 16:39:22,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:39:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:39:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:39:22,742 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:39:22,743 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 10.10 04:39:22 BoogieIcfgContainer [2018-10-10 16:39:22,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:39:22,744 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:39:22,744 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:39:22,745 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:39:22,749 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 10.10 04:39:22" (1/1) ... [2018-10-10 16:39:22,758 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:39:22,758 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:39:22,799 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:39:22,846 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:39:22,864 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:39:22,935 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:41:27,329 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. [2018-10-10 16:41:27,332 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:41:27,337 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:41:27,384 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_4_1_1| |v_ULTIMATE.start_write~int_#ptr.base_12|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-10 16:41:27,400 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_7|) |v_ULTIMATE.start_read~int_#ptr.offset_5|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-10 16:41:27,437 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:41:27,438 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:41:27,438 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:41:27,438 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:41:27,439 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:41:27,439 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:41:27,439 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:41:27,439 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:41:27,439 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:41:27,440 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:41:27,440 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:41:27,440 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:41:27,440 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:41:27,440 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:41:27,440 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:41:27,442 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:41:27,464 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 10.10 04:41:27 BasicIcfg [2018-10-10 16:41:27,464 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:41:27,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:41:27,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:41:27,469 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:41:27,470 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 10.10 04:39:21" (1/3) ... [2018-10-10 16:41:27,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4657057b and model type openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:41:27, skipping insertion in model container [2018-10-10 16:41:27,471 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 10.10 04:39:22" (2/3) ... [2018-10-10 16:41:27,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4657057b and model type openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:41:27, skipping insertion in model container [2018-10-10 16:41:27,472 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 10.10 04:41:27" (3/3) ... [2018-10-10 16:41:27,474 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:41:27,490 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:41:27,505 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:41:27,523 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:41:27,546 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:41:27,547 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:41:27,547 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:41:27,548 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:41:27,548 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:41:27,548 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:41:27,548 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:41:27,548 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:41:27,548 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:41:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-10-10 16:41:27,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-10 16:41:27,571 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:27,572 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] [2018-10-10 16:41:27,574 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:27,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:27,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1517734248, now seen corresponding path program 1 times [2018-10-10 16:41:27,631 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:41:28,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:41:28,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-10 16:41:28,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 16:41:28,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 16:41:28,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-10-10 16:41:28,478 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 11 states. [2018-10-10 16:41:29,420 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-10-10 16:41:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:29,612 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-10-10 16:41:29,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-10 16:41:29,614 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 53 [2018-10-10 16:41:29,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:29,625 INFO L225 Difference]: With dead ends: 100 [2018-10-10 16:41:29,625 INFO L226 Difference]: Without dead ends: 100 [2018-10-10 16:41:29,628 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 [2018-10-10 16:41:29,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-10 16:41:29,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 78. [2018-10-10 16:41:29,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-10 16:41:29,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-10 16:41:29,667 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 53 [2018-10-10 16:41:29,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:29,668 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-10-10 16:41:29,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 16:41:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-10 16:41:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-10 16:41:29,670 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:29,670 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] [2018-10-10 16:41:29,671 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:29,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:29,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1131599338, now seen corresponding path program 1 times [2018-10-10 16:41:29,672 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:41:30,567 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:41:30,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-10-10 16:41:30,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 16:41:30,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 16:41:30,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2018-10-10 16:41:30,570 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 18 states. [2018-10-10 16:41:31,272 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-10-10 16:41:31,646 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-10-10 16:41:31,913 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-10 16:41:32,092 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-10 16:41:32,269 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-10 16:41:32,660 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2018-10-10 16:41:32,974 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-10-10 16:41:33,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:33,594 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-10 16:41:33,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 16:41:33,595 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 77 [2018-10-10 16:41:33,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:33,597 INFO L225 Difference]: With dead ends: 124 [2018-10-10 16:41:33,597 INFO L226 Difference]: Without dead ends: 124 [2018-10-10 16:41:33,599 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 [2018-10-10 16:41:33,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-10-10 16:41:33,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 102. [2018-10-10 16:41:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-10 16:41:33,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-10-10 16:41:33,608 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 77 [2018-10-10 16:41:33,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:33,608 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-10-10 16:41:33,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 16:41:33,609 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-10-10 16:41:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-10 16:41:33,610 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:33,611 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] [2018-10-10 16:41:33,611 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:33,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:33,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1302863676, now seen corresponding path program 2 times [2018-10-10 16:41:33,613 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:34,087 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-10-10 16:41:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:41:34,524 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:41:34,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-10 16:41:34,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-10 16:41:34,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-10 16:41:34,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-10-10 16:41:34,525 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 20 states. [2018-10-10 16:41:36,356 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-10 16:41:36,579 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-10-10 16:41:36,812 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2018-10-10 16:41:37,106 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2018-10-10 16:41:37,331 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-10-10 16:41:37,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:37,830 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-10-10 16:41:37,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-10 16:41:37,832 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 101 [2018-10-10 16:41:37,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:37,834 INFO L225 Difference]: With dead ends: 148 [2018-10-10 16:41:37,834 INFO L226 Difference]: Without dead ends: 148 [2018-10-10 16:41:37,838 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 [2018-10-10 16:41:37,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-10-10 16:41:37,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 126. [2018-10-10 16:41:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-10-10 16:41:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-10-10 16:41:37,865 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 101 [2018-10-10 16:41:37,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:37,866 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-10-10 16:41:37,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-10 16:41:37,866 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-10-10 16:41:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-10 16:41:37,871 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:37,871 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] [2018-10-10 16:41:37,872 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:37,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:37,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1716195982, now seen corresponding path program 3 times [2018-10-10 16:41:37,873 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:41:38,780 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:41:38,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-10 16:41:38,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-10 16:41:38,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-10 16:41:38,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2018-10-10 16:41:38,782 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 21 states. [2018-10-10 16:41:40,257 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2018-10-10 16:41:40,416 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-10 16:41:40,609 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2018-10-10 16:41:40,793 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2018-10-10 16:41:40,997 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2018-10-10 16:41:41,343 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2018-10-10 16:41:41,606 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2018-10-10 16:41:41,984 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2018-10-10 16:41:42,290 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2018-10-10 16:41:42,440 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-10 16:41:42,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:42,447 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-10-10 16:41:42,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-10 16:41:42,448 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 125 [2018-10-10 16:41:42,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:42,449 INFO L225 Difference]: With dead ends: 146 [2018-10-10 16:41:42,449 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:41:42,450 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=439, Invalid=1367, Unknown=0, NotChecked=0, Total=1806 [2018-10-10 16:41:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:41:42,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:41:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:41:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:41:42,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2018-10-10 16:41:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:42,451 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:41:42,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-10 16:41:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:41:42,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:41:42,455 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 10.10 04:41:42 BasicIcfg [2018-10-10 16:41:42,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:41:42,456 INFO L168 Benchmark]: Toolchain (without parser) took 140444.25 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-10 16:41:42,457 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:41:42,458 INFO L168 Benchmark]: Boogie Preprocessor took 84.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:41:42,458 INFO L168 Benchmark]: RCFGBuilder took 645.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-10 16:41:42,459 INFO L168 Benchmark]: IcfgTransformer took 124720.69 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 2.2 GB in the end (delta: -767.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-10 16:41:42,460 INFO L168 Benchmark]: TraceAbstraction took 14989.11 ms. Allocated memory was 3.5 GB in the beginning and 4.1 GB in the end (delta: 574.1 MB). Free memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: -437.8 MB). Peak memory consumption was 136.3 MB. Max. memory is 7.1 GB. [2018-10-10 16:41:42,465 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 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 645.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * IcfgTransformer took 124720.69 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 2.2 GB in the end (delta: -767.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * TraceAbstraction took 14989.11 ms. Allocated memory was 3.5 GB in the beginning and 4.1 GB in the end (delta: 574.1 MB). Free memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: -437.8 MB). Peak memory consumption was 136.3 MB. 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) : 28770.21 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, 14.9s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 11.1s 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, 10.1s 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, 0.2s SatisfiabilityAnalysisTime, 3.1s 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-0-2018-10-10_16-41-42-480.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-0-2018-10-10_16-41-42-480.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-0-2018-10-10_16-41-42-480.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...