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_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 23:01:15,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 23:01:15,544 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 23:01:15,556 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 23:01:15,557 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 23:01:15,558 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 23:01:15,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 23:01:15,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 23:01:15,562 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 23:01:15,563 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 23:01:15,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 23:01:15,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 23:01:15,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 23:01:15,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 23:01:15,567 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 23:01:15,568 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 23:01:15,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 23:01:15,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 23:01:15,573 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 23:01:15,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 23:01:15,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 23:01:15,577 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 23:01:15,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-12 23:01:15,591 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 23:01:15,610 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 23:01:15,611 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 23:01:15,615 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 23:01:15,615 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 23:01:15,615 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 23:01:15,615 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 23:01:15,616 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 23:01:15,616 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 23:01:15,617 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 23:01:15,618 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 23:01:15,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 23:01:15,618 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 23:01:15,618 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 23:01:15,619 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 23:01:15,619 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 23:01:15,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 23:01:15,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 23:01:15,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 23:01:15,694 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 23:01:15,695 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 23:01:15,696 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl [2018-10-12 23:01:15,696 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl' [2018-10-12 23:01:15,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 23:01:15,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 23:01:15,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 23:01:15,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 23:01:15,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 23:01:15,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:01:15" (1/1) ... [2018-10-12 23:01:15,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:01:15" (1/1) ... [2018-10-12 23:01:15,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:01:15" (1/1) ... [2018-10-12 23:01:15,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:01:15" (1/1) ... [2018-10-12 23:01:15,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:01:15" (1/1) ... [2018-10-12 23:01:15,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:01:15" (1/1) ... [2018-10-12 23:01:15,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:01:15" (1/1) ... [2018-10-12 23:01:15,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 23:01:15,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 23:01:15,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 23:01:15,844 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 23:01:15,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:01:15" (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 23:01:15,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 23:01:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 23:01:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 23:01:16,664 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 23:01:16,666 INFO L202 PluginConnector]: Adding new model openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:01:16 BoogieIcfgContainer [2018-10-12 23:01:16,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 23:01:16,667 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 23:01:16,667 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 23:01:16,668 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 23:01:16,673 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:01:16" (1/1) ... [2018-10-12 23:01:16,683 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 23:01:16,684 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 23:01:16,746 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 23:01:16,842 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 23:01:16,865 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 23:01:16,966 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 23:02:24,909 INFO L315 AbstractInterpreter]: Visited 92 different actions 140 times. Merged at 31 different actions 46 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 23:02:24,913 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 23:02:24,919 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 23:02:25,077 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_13|) |v_ULTIMATE.start_read~int_#ptr.offset_9|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-12 23:02:25,254 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_7|) |v_ULTIMATE.start_read~int_#ptr.offset_5|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-12 23:02:25,497 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 23:02:25,498 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:02:25,498 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:02:25,498 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 23:02:25,498 INFO L248 HeapPartitionManager]: # location blocks :3 [2018-10-12 23:02:25,499 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:02:25,499 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:02:25,499 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:02:25,499 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:02:25,499 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:02:25,499 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 23:02:25,499 INFO L248 HeapPartitionManager]: # location blocks :3 [2018-10-12 23:02:25,500 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:02:25,500 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:02:25,500 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:02:25,501 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 23:02:25,600 INFO L202 PluginConnector]: Adding new model openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 11:02:25 BasicIcfg [2018-10-12 23:02:25,601 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 23:02:25,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 23:02:25,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 23:02:25,606 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 23:02:25,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:01:15" (1/3) ... [2018-10-12 23:02:25,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8b6f41 and model type openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:02:25, skipping insertion in model container [2018-10-12 23:02:25,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:01:16" (2/3) ... [2018-10-12 23:02:25,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8b6f41 and model type openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:02:25, skipping insertion in model container [2018-10-12 23:02:25,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 11:02:25" (3/3) ... [2018-10-12 23:02:25,610 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 23:02:25,620 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 23:02:25,631 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 23:02:25,644 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 23:02:25,669 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 23:02:25,670 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 23:02:25,671 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 23:02:25,671 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 23:02:25,671 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 23:02:25,671 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 23:02:25,672 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 23:02:25,672 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 23:02:25,672 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 23:02:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-10-12 23:02:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-12 23:02:25,696 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:02:25,697 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 23:02:25,698 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:02:25,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:02:25,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1401724581, now seen corresponding path program 1 times [2018-10-12 23:02:25,767 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:02:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:02:26,441 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 23:02:26,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 23:02:26,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-12 23:02:26,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-12 23:02:26,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-12 23:02:26,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-10-12 23:02:26,464 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 12 states. [2018-10-12 23:02:27,476 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-12 23:02:27,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:02:27,851 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-10-12 23:02:27,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-12 23:02:27,853 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2018-10-12 23:02:27,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:02:27,866 INFO L225 Difference]: With dead ends: 108 [2018-10-12 23:02:27,867 INFO L226 Difference]: Without dead ends: 108 [2018-10-12 23:02:27,869 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2018-10-12 23:02:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-10-12 23:02:27,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 95. [2018-10-12 23:02:27,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-10-12 23:02:27,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-10-12 23:02:27,915 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 65 [2018-10-12 23:02:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:02:27,916 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-10-12 23:02:27,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-12 23:02:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-10-12 23:02:27,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-12 23:02:27,920 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:02:27,920 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:27,921 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:02:27,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:02:27,921 INFO L82 PathProgramCache]: Analyzing trace with hash 528653011, now seen corresponding path program 1 times [2018-10-12 23:02:27,922 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:02:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:02:28,791 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-12 23:02:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:02:29,442 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:02:29,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-10-12 23:02:29,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-12 23:02:29,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-12 23:02:29,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2018-10-12 23:02:29,445 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 25 states. [2018-10-12 23:02:31,936 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-12 23:02:32,082 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-10-12 23:02:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:02:33,017 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-10-12 23:02:33,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-10-12 23:02:33,017 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 94 [2018-10-12 23:02:33,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:02:33,021 INFO L225 Difference]: With dead ends: 137 [2018-10-12 23:02:33,021 INFO L226 Difference]: Without dead ends: 137 [2018-10-12 23:02:33,023 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=423, Invalid=2333, Unknown=0, NotChecked=0, Total=2756 [2018-10-12 23:02:33,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-10-12 23:02:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 124. [2018-10-12 23:02:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-10-12 23:02:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-10-12 23:02:33,047 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 94 [2018-10-12 23:02:33,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:02:33,048 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-10-12 23:02:33,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-12 23:02:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-10-12 23:02:33,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-12 23:02:33,056 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:02:33,056 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:33,056 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:02:33,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:02:33,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1576694875, now seen corresponding path program 2 times [2018-10-12 23:02:33,058 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:02:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:02:33,639 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-10-12 23:02:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:02:34,674 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:02:34,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-10-12 23:02:34,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-10-12 23:02:34,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-10-12 23:02:34,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=801, Unknown=0, NotChecked=0, Total=870 [2018-10-12 23:02:34,676 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 30 states. [2018-10-12 23:02:37,116 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2018-10-12 23:02:37,329 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2018-10-12 23:02:38,422 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-12 23:02:38,751 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2018-10-12 23:02:39,111 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2018-10-12 23:02:39,538 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2018-10-12 23:02:39,877 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2018-10-12 23:02:40,089 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2018-10-12 23:02:40,483 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2018-10-12 23:02:41,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:02:41,018 INFO L93 Difference]: Finished difference Result 166 states and 166 transitions. [2018-10-12 23:02:41,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-12 23:02:41,024 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 123 [2018-10-12 23:02:41,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:02:41,026 INFO L225 Difference]: With dead ends: 166 [2018-10-12 23:02:41,026 INFO L226 Difference]: Without dead ends: 166 [2018-10-12 23:02:41,029 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=517, Invalid=3265, Unknown=0, NotChecked=0, Total=3782 [2018-10-12 23:02:41,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-10-12 23:02:41,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 153. [2018-10-12 23:02:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-10-12 23:02:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-10-12 23:02:41,041 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 123 [2018-10-12 23:02:41,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:02:41,042 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-10-12 23:02:41,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-10-12 23:02:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-10-12 23:02:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-12 23:02:41,045 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:02:41,045 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:41,046 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:02:41,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:02:41,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1612212179, now seen corresponding path program 3 times [2018-10-12 23:02:41,047 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:02:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:02:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-12 23:02:42,301 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:02:42,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-10-12 23:02:42,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-12 23:02:42,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-12 23:02:42,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=640, Unknown=0, NotChecked=0, Total=702 [2018-10-12 23:02:42,303 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 27 states. [2018-10-12 23:02:43,278 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-10-12 23:02:44,012 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2018-10-12 23:02:44,257 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2018-10-12 23:02:44,547 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2018-10-12 23:02:44,774 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2018-10-12 23:02:45,026 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 79 [2018-10-12 23:02:45,218 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2018-10-12 23:02:45,700 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2018-10-12 23:02:45,956 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 72 [2018-10-12 23:02:46,249 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2018-10-12 23:02:46,512 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2018-10-12 23:02:46,794 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2018-10-12 23:02:47,008 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2018-10-12 23:02:47,160 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2018-10-12 23:02:47,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:02:47,165 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-10-12 23:02:47,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-12 23:02:47,168 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 152 [2018-10-12 23:02:47,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:02:47,168 INFO L225 Difference]: With dead ends: 151 [2018-10-12 23:02:47,168 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 23:02:47,170 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=660, Invalid=2762, Unknown=0, NotChecked=0, Total=3422 [2018-10-12 23:02:47,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 23:02:47,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 23:02:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 23:02:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 23:02:47,171 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-10-12 23:02:47,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:02:47,171 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 23:02:47,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-12 23:02:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 23:02:47,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 23:02:47,176 INFO L202 PluginConnector]: Adding new model openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:02:47 BasicIcfg [2018-10-12 23:02:47,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 23:02:47,177 INFO L168 Benchmark]: Toolchain (without parser) took 91392.03 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 29.6 kB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-12 23:02:47,178 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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. [2018-10-12 23:02:47,179 INFO L168 Benchmark]: Boogie Preprocessor took 55.32 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. [2018-10-12 23:02:47,179 INFO L168 Benchmark]: RCFGBuilder took 822.92 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. [2018-10-12 23:02:47,180 INFO L168 Benchmark]: IcfgTransformer took 68934.32 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-12 23:02:47,181 INFO L168 Benchmark]: TraceAbstraction took 21574.25 ms. Allocated memory was 3.4 GB in the beginning and 3.7 GB in the end (delta: 343.4 MB). Free memory was 3.2 GB in the beginning and 1.4 GB in the end (delta: 1.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-12 23:02:47,186 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 0.24 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 55.32 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 822.92 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 68934.32 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * TraceAbstraction took 21574.25 ms. Allocated memory was 3.4 GB in the beginning and 3.7 GB in the end (delta: 343.4 MB). Free memory was 3.2 GB in the beginning and 1.4 GB in the end (delta: 1.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 90 LocStat_MAX_WEQGRAPH_SIZE : 12 LocStat_MAX_SIZEOF_WEQEDGELABEL : 8 LocStat_NO_SUPPORTING_EQUALITIES : 3027 LocStat_NO_SUPPORTING_DISEQUALITIES : 712 LocStat_NO_DISJUNCTIONS : -180 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 92 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 93 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 92 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 54358.56 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 142 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 92 different actions 140 times. Merged at 31 different actions 46 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 6 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 : 3 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: 165]: 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, 92 locations, 1 error locations. SAFE Result, 21.5s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 16.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 259 SDtfs, 2282 SDslu, 3012 SDs, 0 SdLazy, 3093 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 15 SyntacticMatches, 4 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1545 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred 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, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 434 NumberOfCodeBlocks, 434 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 727688 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 26/146 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_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_23-02-47-204.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_23-02-47-204.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_23-02-47-204.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...