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_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 22:57:42,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 22:57:42,684 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 22:57:42,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 22:57:42,703 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 22:57:42,704 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 22:57:42,705 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 22:57:42,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 22:57:42,708 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 22:57:42,709 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 22:57:42,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 22:57:42,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 22:57:42,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 22:57:42,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 22:57:42,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 22:57:42,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 22:57:42,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 22:57:42,717 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 22:57:42,719 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 22:57:42,721 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 22:57:42,722 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 22:57:42,723 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 22:57:42,725 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-12 22:57:42,734 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 22:57:42,749 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 22:57:42,749 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 22:57:42,753 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 22:57:42,754 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 22:57:42,754 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 22:57:42,754 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 22:57:42,755 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 22:57:42,755 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 22:57:42,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 22:57:42,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 22:57:42,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 22:57:42,756 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 22:57:42,757 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 22:57:42,757 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 22:57:42,759 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 22:57:42,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 22:57:42,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 22:57:42,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 22:57:42,840 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 22:57:42,841 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 22:57:42,842 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl [2018-10-12 22:57:42,842 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl' [2018-10-12 22:57:42,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 22:57:42,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 22:57:42,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 22:57:42,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 22:57:42,916 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 22:57:42,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:57:42" (1/1) ... [2018-10-12 22:57:42,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:57:42" (1/1) ... [2018-10-12 22:57:42,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:57:42" (1/1) ... [2018-10-12 22:57:42,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:57:42" (1/1) ... [2018-10-12 22:57:42,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:57:42" (1/1) ... [2018-10-12 22:57:42,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:57:42" (1/1) ... [2018-10-12 22:57:42,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:57:42" (1/1) ... [2018-10-12 22:57:42,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 22:57:42,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 22:57:42,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 22:57:42,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 22:57:42,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:57:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-12 22:57:43,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 22:57:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 22:57:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 22:57:43,708 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 22:57:43,709 INFO L202 PluginConnector]: Adding new model openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:57:43 BoogieIcfgContainer [2018-10-12 22:57:43,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 22:57:43,710 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 22:57:43,710 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 22:57:43,711 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 22:57:43,715 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:57:43" (1/1) ... [2018-10-12 22:57:43,725 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 22:57:43,725 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 22:57:43,786 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 22:57:43,865 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 22:57:43,894 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 22:57:43,981 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 22:59:29,023 INFO L315 AbstractInterpreter]: Visited 95 different actions 156 times. Merged at 37 different actions 59 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 22:59:29,027 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 22:59:29,034 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 22:59:29,226 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_19|) |v_ULTIMATE.start_read~int_#ptr.offset_13|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-12 22:59:29,396 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 22:59:29,557 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 22:59:29,797 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 22:59:29,798 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:59:29,798 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:59:29,798 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 22:59:29,798 INFO L248 HeapPartitionManager]: # location blocks :3 [2018-10-12 22:59:29,799 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:59:29,799 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 22:59:29,799 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:59:29,799 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:59:29,800 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:59:29,800 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-12 22:59:29,800 INFO L248 HeapPartitionManager]: # location blocks :3 [2018-10-12 22:59:29,800 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:59:29,800 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 22:59:29,803 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:59:29,805 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 22:59:29,849 INFO L202 PluginConnector]: Adding new model openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:59:29 BasicIcfg [2018-10-12 22:59:29,849 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 22:59:29,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 22:59:29,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 22:59:29,860 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 22:59:29,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:57:42" (1/3) ... [2018-10-12 22:59:29,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f555cee and model type openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:59:29, skipping insertion in model container [2018-10-12 22:59:29,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:57:43" (2/3) ... [2018-10-12 22:59:29,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f555cee and model type openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:59:29, skipping insertion in model container [2018-10-12 22:59:29,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:59:29" (3/3) ... [2018-10-12 22:59:29,865 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 22:59:29,875 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 22:59:29,884 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 22:59:29,901 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 22:59:29,926 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 22:59:29,927 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 22:59:29,927 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 22:59:29,927 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 22:59:29,927 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 22:59:29,928 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 22:59:29,928 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 22:59:29,928 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 22:59:29,928 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 22:59:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2018-10-12 22:59:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-12 22:59:29,956 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:59:29,957 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] [2018-10-12 22:59:29,958 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:59:29,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:59:29,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1410945952, now seen corresponding path program 1 times [2018-10-12 22:59:30,010 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:59:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:59:31,142 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 22:59:31,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 22:59:31,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-12 22:59:31,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-12 22:59:31,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-12 22:59:31,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-10-12 22:59:31,329 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 16 states. [2018-10-12 22:59:33,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:59:33,045 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-10-12 22:59:33,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-12 22:59:33,047 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 60 [2018-10-12 22:59:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:59:33,059 INFO L225 Difference]: With dead ends: 117 [2018-10-12 22:59:33,059 INFO L226 Difference]: Without dead ends: 117 [2018-10-12 22:59:33,062 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=220, Invalid=902, Unknown=0, NotChecked=0, Total=1122 [2018-10-12 22:59:33,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-10-12 22:59:33,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 96. [2018-10-12 22:59:33,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-12 22:59:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-12 22:59:33,103 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 60 [2018-10-12 22:59:33,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:59:33,104 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-10-12 22:59:33,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-12 22:59:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-12 22:59:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-12 22:59:33,107 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:59:33,108 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 22:59:33,108 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:59:33,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:59:33,109 INFO L82 PathProgramCache]: Analyzing trace with hash 300120565, now seen corresponding path program 1 times [2018-10-12 22:59:33,110 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:59:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:59:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:59:33,991 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:59:33,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-10-12 22:59:33,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-12 22:59:33,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-12 22:59:33,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2018-10-12 22:59:33,994 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 18 states. [2018-10-12 22:59:35,336 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-12 22:59:35,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:59:35,881 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-10-12 22:59:35,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-12 22:59:35,882 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 95 [2018-10-12 22:59:35,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:59:35,885 INFO L225 Difference]: With dead ends: 152 [2018-10-12 22:59:35,885 INFO L226 Difference]: Without dead ends: 152 [2018-10-12 22:59:35,886 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2018-10-12 22:59:35,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-10-12 22:59:35,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 131. [2018-10-12 22:59:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-10-12 22:59:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-10-12 22:59:35,898 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 95 [2018-10-12 22:59:35,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:59:35,898 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-10-12 22:59:35,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-12 22:59:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-10-12 22:59:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-12 22:59:35,903 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:59:35,903 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, 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] [2018-10-12 22:59:35,904 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:59:35,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:59:35,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1422570624, now seen corresponding path program 2 times [2018-10-12 22:59:35,905 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:59:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:59:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:59:37,521 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:59:37,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-10-12 22:59:37,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-12 22:59:37,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-12 22:59:37,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2018-10-12 22:59:37,523 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 28 states. [2018-10-12 22:59:39,517 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-12 22:59:41,283 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-12 22:59:41,628 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2018-10-12 22:59:42,059 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-12 22:59:42,366 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-12 22:59:42,618 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2018-10-12 22:59:42,791 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2018-10-12 22:59:42,972 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2018-10-12 22:59:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:59:43,186 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-10-12 22:59:43,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-12 22:59:43,187 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 130 [2018-10-12 22:59:43,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:59:43,190 INFO L225 Difference]: With dead ends: 187 [2018-10-12 22:59:43,191 INFO L226 Difference]: Without dead ends: 187 [2018-10-12 22:59:43,192 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=422, Invalid=2548, Unknown=0, NotChecked=0, Total=2970 [2018-10-12 22:59:43,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-10-12 22:59:43,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 166. [2018-10-12 22:59:43,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-10-12 22:59:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 166 transitions. [2018-10-12 22:59:43,205 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 166 transitions. Word has length 130 [2018-10-12 22:59:43,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:59:43,206 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 166 transitions. [2018-10-12 22:59:43,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-12 22:59:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 166 transitions. [2018-10-12 22:59:43,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-12 22:59:43,209 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:59:43,209 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, 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] [2018-10-12 22:59:43,209 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:59:43,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:59:43,210 INFO L82 PathProgramCache]: Analyzing trace with hash 60651029, now seen corresponding path program 3 times [2018-10-12 22:59:43,211 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:59:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:59:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-12 22:59:44,591 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:59:44,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-10-12 22:59:44,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-12 22:59:44,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-12 22:59:44,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=695, Unknown=0, NotChecked=0, Total=756 [2018-10-12 22:59:44,593 INFO L87 Difference]: Start difference. First operand 166 states and 166 transitions. Second operand 28 states. [2018-10-12 22:59:46,533 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2018-10-12 22:59:46,718 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2018-10-12 22:59:46,918 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2018-10-12 22:59:47,129 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-10-12 22:59:47,333 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2018-10-12 22:59:47,798 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2018-10-12 22:59:48,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:59:48,269 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-10-12 22:59:48,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-12 22:59:48,270 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 165 [2018-10-12 22:59:48,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:59:48,272 INFO L225 Difference]: With dead ends: 164 [2018-10-12 22:59:48,272 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 22:59:48,273 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=501, Invalid=2691, Unknown=0, NotChecked=0, Total=3192 [2018-10-12 22:59:48,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 22:59:48,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 22:59:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 22:59:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 22:59:48,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2018-10-12 22:59:48,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:59:48,275 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 22:59:48,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-12 22:59:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 22:59:48,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 22:59:48,278 INFO L202 PluginConnector]: Adding new model openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:59:48 BasicIcfg [2018-10-12 22:59:48,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 22:59:48,279 INFO L168 Benchmark]: Toolchain (without parser) took 125365.64 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -429.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-12 22:59:48,280 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 22:59:48,281 INFO L168 Benchmark]: Boogie Preprocessor took 66.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 22:59:48,281 INFO L168 Benchmark]: RCFGBuilder took 725.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-12 22:59:48,282 INFO L168 Benchmark]: IcfgTransformer took 106139.78 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 916.6 MB in the end (delta: 516.8 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-12 22:59:48,283 INFO L168 Benchmark]: TraceAbstraction took 18425.52 ms. Allocated memory was 3.5 GB in the beginning and 3.8 GB in the end (delta: 316.1 MB). Free memory was 916.6 MB in the beginning and 1.9 GB in the end (delta: -978.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 22:59:48,287 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 725.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * IcfgTransformer took 106139.78 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 916.6 MB in the end (delta: 516.8 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * TraceAbstraction took 18425.52 ms. Allocated memory was 3.5 GB in the beginning and 3.8 GB in the end (delta: 316.1 MB). Free memory was 916.6 MB in the beginning and 1.9 GB in the end (delta: -978.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 93 LocStat_MAX_WEQGRAPH_SIZE : 12 LocStat_MAX_SIZEOF_WEQEDGELABEL : 8 LocStat_NO_SUPPORTING_EQUALITIES : 3302 LocStat_NO_SUPPORTING_DISEQUALITIES : 745 LocStat_NO_DISJUNCTIONS : -186 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 95 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 96 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 95 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 83130.50 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 158 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 95 different actions 156 times. Merged at 37 different actions 59 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: 167]: 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, 95 locations, 1 error locations. SAFE Result, 18.3s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 12.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 264 SDtfs, 2590 SDslu, 2922 SDs, 0 SdLazy, 3304 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred 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, 63 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 446 ConstructedInterpolants, 0 QuantifiedInterpolants, 870597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 31/158 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_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_22-59-48-303.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_22-59-48-303.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_22-59-48-303.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...