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_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:07:07,575 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:07:07,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:07:07,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:07:07,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:07:07,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:07:07,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:07:07,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:07:07,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:07:07,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:07:07,598 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:07:07,598 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:07:07,599 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:07:07,602 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:07:07,604 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:07:07,605 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:07:07,612 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:07:07,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:07:07,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:07:07,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:07:07,625 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:07:07,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:07:07,633 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:07:07,634 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:07:07,634 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:07:07,635 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:07:07,637 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:07:07,638 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:07:07,639 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:07:07,640 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:07:07,640 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:07:07,641 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 18:07:07,643 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 18:07:07,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:07:07,653 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:07:07,654 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:07:07,654 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:07:07,654 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:07:07,654 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:07:07,655 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:07:07,655 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:07:07,655 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:07:07,656 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:07:07,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:07:07,656 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:07:07,656 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:07:07,657 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:07:07,657 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:07:07,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:07:07,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:07:07,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:07:07,750 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:07:07,750 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:07:07,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl [2018-10-14 18:07:07,751 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl' [2018-10-14 18:07:07,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:07:07,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:07:07,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:07:07,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:07:07,856 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:07:07,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:07" (1/1) ... [2018-10-14 18:07:07,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:07" (1/1) ... [2018-10-14 18:07:07,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:07" (1/1) ... [2018-10-14 18:07:07,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:07" (1/1) ... [2018-10-14 18:07:07,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:07" (1/1) ... [2018-10-14 18:07:07,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:07" (1/1) ... [2018-10-14 18:07:07,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:07" (1/1) ... [2018-10-14 18:07:07,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:07:07,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:07:07,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:07:07,922 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:07:07,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:07" (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 [2018-10-14 18:07:07,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:07:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:07:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:07:08,539 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:07:08,540 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:07:08 BoogieIcfgContainer [2018-10-14 18:07:08,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:07:08,541 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:07:08,541 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:07:08,542 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:07:08,545 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:07:08" (1/1) ... [2018-10-14 18:07:08,554 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:07:08,554 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:07:08,599 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:07:08,648 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:07:08,664 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:07:08,729 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:07:22,545 INFO L315 AbstractInterpreter]: Visited 79 different actions 199 times. Merged at 60 different actions 118 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:07:22,547 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:07:22,555 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:07:22,596 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;) [2018-10-14 18:07:22,598 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:07:22,599 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:07:22,599 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:07:22,599 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:07:22,600 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:07:22,600 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:07:22,600 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:07:22,600 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:07:22,601 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:07:22,601 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:07:22,601 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:07:22,601 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:07:22,601 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:07:22,602 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:07:22,602 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:07:22,603 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:07:22,627 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:07:22 BasicIcfg [2018-10-14 18:07:22,627 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:07:22,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:07:22,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:07:22,636 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:07:22,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:07" (1/3) ... [2018-10-14 18:07:22,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b96554 and model type ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:07:22, skipping insertion in model container [2018-10-14 18:07:22,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:07:08" (2/3) ... [2018-10-14 18:07:22,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b96554 and model type ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:07:22, skipping insertion in model container [2018-10-14 18:07:22,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:07:22" (3/3) ... [2018-10-14 18:07:22,642 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:07:22,653 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:07:22,664 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:07:22,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:07:22,713 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:07:22,714 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:07:22,715 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:07:22,715 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:07:22,715 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:07:22,715 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:07:22,716 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:07:22,717 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:07:22,717 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:07:22,739 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-10-14 18:07:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-14 18:07:22,750 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:07:22,751 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] [2018-10-14 18:07:22,753 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:07:22,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:07:22,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1832762943, now seen corresponding path program 1 times [2018-10-14 18:07:22,826 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:07:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:07:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:07:23,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:07:23,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-14 18:07:23,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-14 18:07:23,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-14 18:07:23,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-14 18:07:23,030 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states. [2018-10-14 18:07:23,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:07:23,269 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-10-14 18:07:23,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-14 18:07:23,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-10-14 18:07:23,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:07:23,287 INFO L225 Difference]: With dead ends: 130 [2018-10-14 18:07:23,288 INFO L226 Difference]: Without dead ends: 130 [2018-10-14 18:07:23,290 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-14 18:07:23,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-10-14 18:07:23,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 78. [2018-10-14 18:07:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-14 18:07:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-14 18:07:23,443 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 23 [2018-10-14 18:07:23,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:07:23,444 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-10-14 18:07:23,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-14 18:07:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-14 18:07:23,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-14 18:07:23,448 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:07:23,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:07:23,449 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:07:23,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:07:23,450 INFO L82 PathProgramCache]: Analyzing trace with hash 2120840608, now seen corresponding path program 1 times [2018-10-14 18:07:23,451 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:07:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:07:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:07:23,867 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:07:23,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-14 18:07:23,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-14 18:07:23,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-14 18:07:23,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-14 18:07:23,870 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 5 states. [2018-10-14 18:07:24,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:07:24,569 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-10-14 18:07:24,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-14 18:07:24,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-10-14 18:07:24,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:07:24,573 INFO L225 Difference]: With dead ends: 184 [2018-10-14 18:07:24,573 INFO L226 Difference]: Without dead ends: 184 [2018-10-14 18:07:24,574 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-14 18:07:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-10-14 18:07:24,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 132. [2018-10-14 18:07:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-14 18:07:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-10-14 18:07:24,586 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 77 [2018-10-14 18:07:24,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:07:24,586 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-10-14 18:07:24,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-14 18:07:24,587 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-10-14 18:07:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-14 18:07:24,591 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:07:24,592 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-14 18:07:24,592 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:07:24,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:07:24,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1807569857, now seen corresponding path program 2 times [2018-10-14 18:07:24,593 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:07:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:07:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-14 18:07:25,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:07:25,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-14 18:07:25,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 18:07:25,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 18:07:25,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-14 18:07:25,113 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 6 states. [2018-10-14 18:07:25,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:07:25,615 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-10-14 18:07:25,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-14 18:07:25,615 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-10-14 18:07:25,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:07:25,616 INFO L225 Difference]: With dead ends: 130 [2018-10-14 18:07:25,617 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:07:25,617 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-14 18:07:25,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:07:25,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:07:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:07:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:07:25,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 131 [2018-10-14 18:07:25,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:07:25,618 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:07:25,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 18:07:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:07:25,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:07:25,623 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:07:25 BasicIcfg [2018-10-14 18:07:25,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:07:25,624 INFO L168 Benchmark]: Toolchain (without parser) took 17770.38 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.2 GB). Free memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:07:25,625 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. [2018-10-14 18:07:25,626 INFO L168 Benchmark]: Boogie Preprocessor took 65.19 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. [2018-10-14 18:07:25,627 INFO L168 Benchmark]: RCFGBuilder took 619.12 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. [2018-10-14 18:07:25,628 INFO L168 Benchmark]: IcfgTransformer took 14086.50 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 653.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -128.2 MB). Peak memory consumption was 525.1 MB. Max. memory is 7.1 GB. [2018-10-14 18:07:25,629 INFO L168 Benchmark]: TraceAbstraction took 2991.99 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 573.6 MB). Free memory was 1.6 GB in the beginning and 2.7 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:07:25,633 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 65.19 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 619.12 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 14086.50 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 653.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -128.2 MB). Peak memory consumption was 525.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2991.99 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 573.6 MB). Free memory was 1.6 GB in the beginning and 2.7 GB in the end (delta: -1.1 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 : 77 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1831 LocStat_NO_SUPPORTING_DISEQUALITIES : 304 LocStat_NO_DISJUNCTIONS : -154 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 79 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 72 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 78 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 5661.62 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 199 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 79 different actions 199 times. Merged at 60 different actions 118 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] : 0 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: 152]: 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, 79 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 252 SDtfs, 244 SDslu, 511 SDs, 0 SdLazy, 108 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=2, 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, 3 MinimizatonAttempts, 104 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 39624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 56/57 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_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-07-25-649.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-07-25-649.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-07-25-649.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...