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/ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:21:08,694 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:21:08,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:21:08,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:21:08,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:21:08,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:21:08,716 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:21:08,719 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:21:08,722 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:21:08,724 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:21:08,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:21:08,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:21:08,732 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:21:08,733 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:21:08,735 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:21:08,737 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:21:08,739 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:21:08,741 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:21:08,743 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:21:08,747 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:21:08,750 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:21:08,751 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:21:08,753 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:21:08,753 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:21:08,754 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:21:08,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:21:08,757 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:21:08,758 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:21:08,763 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:21:08,764 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:21:08,764 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:21:08,765 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 16:21:08,768 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 16:21:08,784 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:21:08,784 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:21:08,785 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:21:08,785 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:21:08,785 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:21:08,786 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:21:08,787 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:21:08,787 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:21:08,787 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:21:08,788 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:21:08,788 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:21:08,788 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:21:08,789 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:21:08,789 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:21:08,790 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:21:08,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:21:08,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:21:08,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:21:08,878 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:21:08,879 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:21:08,879 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl [2018-10-10 16:21:08,880 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl' [2018-10-10 16:21:08,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:21:08,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:21:08,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:21:08,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:21:08,955 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:21:08,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:08" (1/1) ... [2018-10-10 16:21:08,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:08" (1/1) ... [2018-10-10 16:21:08,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:08" (1/1) ... [2018-10-10 16:21:08,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:08" (1/1) ... [2018-10-10 16:21:09,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:08" (1/1) ... [2018-10-10 16:21:09,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:08" (1/1) ... [2018-10-10 16:21:09,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:08" (1/1) ... [2018-10-10 16:21:09,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:21:09,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:21:09,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:21:09,009 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:21:09,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 16:21:09,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:21:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:21:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:21:09,756 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:21:09,756 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:21:09 BoogieIcfgContainer [2018-10-10 16:21:09,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:21:09,757 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:21:09,757 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:21:09,759 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:21:09,762 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:21:09" (1/1) ... [2018-10-10 16:21:09,772 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:21:09,772 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:21:09,822 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:21:09,890 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:21:09,905 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:21:09,983 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:21:26,574 INFO L315 AbstractInterpreter]: Visited 87 different actions 225 times. Merged at 68 different actions 136 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:21:26,580 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:21:26,587 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:21:26,601 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |#loc_#memory_int_(Array-Int-#locsort1)| |v_ULTIMATE.start_read~int_#ptr.base_6|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-10 16:21:26,604 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_6|) |v_ULTIMATE.start_read~int_#ptr.offset_4|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-10 16:21:26,643 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_6|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-10 16:21:26,645 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:21:26,650 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:21:26,650 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:21:26,650 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:21:26,650 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:26,651 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:21:26,651 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:21:26,651 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:26,651 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:21:26,652 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:21:26,652 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:21:26,653 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:26,653 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:21:26,653 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:21:26,655 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:26,656 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:21:26,693 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:21:26 BasicIcfg [2018-10-10 16:21:26,694 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:21:26,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:21:26,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:21:26,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:21:26,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:08" (1/3) ... [2018-10-10 16:21:26,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eab0aa and model type ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:21:26, skipping insertion in model container [2018-10-10 16:21:26,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:21:09" (2/3) ... [2018-10-10 16:21:26,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eab0aa and model type ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:21:26, skipping insertion in model container [2018-10-10 16:21:26,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:21:26" (3/3) ... [2018-10-10 16:21:26,705 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:21:26,717 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:21:26,726 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:21:26,746 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:21:26,779 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:21:26,780 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:21:26,780 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:21:26,780 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:21:26,781 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:21:26,781 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:21:26,781 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:21:26,782 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:21:26,782 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:21:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-10-10 16:21:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-10 16:21:26,811 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:21:26,813 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] [2018-10-10 16:21:26,814 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:21:26,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:21:26,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2123087937, now seen corresponding path program 1 times [2018-10-10 16:21:26,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:21:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:21:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:21:28,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:21:28,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-10 16:21:28,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 16:21:28,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 16:21:28,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-10 16:21:28,278 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 10 states. [2018-10-10 16:21:29,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:21:29,470 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-10-10 16:21:29,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 16:21:29,472 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2018-10-10 16:21:29,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:21:29,486 INFO L225 Difference]: With dead ends: 146 [2018-10-10 16:21:29,486 INFO L226 Difference]: Without dead ends: 143 [2018-10-10 16:21:29,491 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2018-10-10 16:21:29,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-10-10 16:21:29,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 105. [2018-10-10 16:21:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-10-10 16:21:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-10-10 16:21:29,549 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 50 [2018-10-10 16:21:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:21:29,550 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-10-10 16:21:29,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 16:21:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-10-10 16:21:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-10 16:21:29,554 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:21:29,554 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2018-10-10 16:21:29,554 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:21:29,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:21:29,555 INFO L82 PathProgramCache]: Analyzing trace with hash -222199298, now seen corresponding path program 1 times [2018-10-10 16:21:29,556 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:21:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:21:30,337 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-10 16:21:30,338 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:21:30,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-10-10 16:21:30,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 16:21:30,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 16:21:30,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2018-10-10 16:21:30,341 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 16 states. [2018-10-10 16:21:31,171 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-10-10 16:21:31,994 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-10-10 16:21:32,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:21:32,062 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-10-10 16:21:32,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-10 16:21:32,062 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 104 [2018-10-10 16:21:32,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:21:32,065 INFO L225 Difference]: With dead ends: 103 [2018-10-10 16:21:32,065 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:21:32,066 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=365, Invalid=967, Unknown=0, NotChecked=0, Total=1332 [2018-10-10 16:21:32,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:21:32,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:21:32,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:21:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:21:32,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2018-10-10 16:21:32,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:21:32,068 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:21:32,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 16:21:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:21:32,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:21:32,072 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:21:32 BasicIcfg [2018-10-10 16:21:32,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:21:32,073 INFO L168 Benchmark]: Toolchain (without parser) took 23119.46 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 193.9 MB. Max. memory is 7.1 GB. [2018-10-10 16:21:32,074 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-10-10 16:21:32,074 INFO L168 Benchmark]: Boogie Preprocessor took 53.30 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. [2018-10-10 16:21:32,075 INFO L168 Benchmark]: RCFGBuilder took 748.36 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. [2018-10-10 16:21:32,076 INFO L168 Benchmark]: IcfgTransformer took 16936.85 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 623.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 231.1 MB). Peak memory consumption was 854.5 MB. Max. memory is 7.1 GB. [2018-10-10 16:21:32,077 INFO L168 Benchmark]: TraceAbstraction took 5377.17 ms. Allocated memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: 839.4 MB). Free memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: -1.5 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:21:32,081 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 0.22 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 53.30 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 748.36 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 16936.85 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 623.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 231.1 MB). Peak memory consumption was 854.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5377.17 ms. Allocated memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: 839.4 MB). Free memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: -1.5 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 85 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 2172 LocStat_NO_SUPPORTING_DISEQUALITIES : 350 LocStat_NO_DISJUNCTIONS : -170 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 87 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 84 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 87 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 7189.74 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 227 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 87 different actions 225 times. Merged at 68 different actions 136 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] : 2 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 : 1 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 1 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: 161]: 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, 87 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 141 SDtfs, 1002 SDslu, 809 SDs, 0 SdLazy, 331 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=1, 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, 2 MinimizatonAttempts, 38 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 66416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/20 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/ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-21-32-098.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-21-32-098.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-21-32-098.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...