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_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:20:52,410 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:20:52,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:20:52,424 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:20:52,425 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:20:52,426 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:20:52,427 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:20:52,429 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:20:52,431 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:20:52,432 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:20:52,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:20:52,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:20:52,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:20:52,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:20:52,437 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:20:52,437 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:20:52,438 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:20:52,440 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:20:52,442 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:20:52,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:20:52,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:20:52,447 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:20:52,449 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:20:52,450 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:20:52,450 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:20:52,451 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:20:52,452 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:20:52,453 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:20:52,454 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:20:52,455 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:20:52,456 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:20:52,456 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 16:20:52,459 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 16:20:52,470 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:20:52,470 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:20:52,471 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:20:52,472 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:20:52,472 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:20:52,472 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:20:52,473 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:20:52,473 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:20:52,474 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:20:52,474 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:20:52,474 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:20:52,475 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:20:52,475 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:20:52,476 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:20:52,476 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:20:52,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:20:52,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:20:52,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:20:52,571 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:20:52,571 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:20:52,572 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl [2018-10-10 16:20:52,572 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl' [2018-10-10 16:20:52,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:20:52,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:20:52,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:20:52,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:20:52,641 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:20:52,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:20:52" (1/1) ... [2018-10-10 16:20:52,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:20:52" (1/1) ... [2018-10-10 16:20:52,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:20:52" (1/1) ... [2018-10-10 16:20:52,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:20:52" (1/1) ... [2018-10-10 16:20:52,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:20:52" (1/1) ... [2018-10-10 16:20:52,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:20:52" (1/1) ... [2018-10-10 16:20:52,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:20:52" (1/1) ... [2018-10-10 16:20:52,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:20:52,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:20:52,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:20:52,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:20:52,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:20:52" (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 16:20:52,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:20:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:20:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:20:53,388 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:20:53,389 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:20:53 BoogieIcfgContainer [2018-10-10 16:20:53,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:20:53,389 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:20:53,390 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:20:53,390 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:20:53,393 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:20:53" (1/1) ... [2018-10-10 16:20:53,402 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:20:53,403 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:20:53,444 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:20:53,489 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:20:53,505 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:20:53,576 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:21:07,687 INFO L315 AbstractInterpreter]: Visited 78 different actions 198 times. Merged at 59 different actions 118 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:21:07,691 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:21:07,695 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:21:07,739 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 16:21:07,742 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:21:07,743 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:21:07,743 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:21:07,744 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:21:07,744 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:07,744 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:21:07,744 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:21:07,744 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:21:07,745 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:21:07,745 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:21:07,745 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:21:07,745 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:07,746 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:21:07,746 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:21:07,746 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:21:07,749 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:21:07,780 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:21:07 BasicIcfg [2018-10-10 16:21:07,780 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:21:07,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:21:07,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:21:07,788 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:21:07,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:20:52" (1/3) ... [2018-10-10 16:21:07,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71113b6f and model type ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:21:07, skipping insertion in model container [2018-10-10 16:21:07,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:20:53" (2/3) ... [2018-10-10 16:21:07,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71113b6f and model type ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:21:07, skipping insertion in model container [2018-10-10 16:21:07,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:21:07" (3/3) ... [2018-10-10 16:21:07,793 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:21:07,805 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:21:07,814 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:21:07,836 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:21:07,875 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:21:07,876 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:21:07,876 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:21:07,876 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:21:07,877 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:21:07,881 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:21:07,883 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:21:07,883 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:21:07,883 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:21:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-10-10 16:21:07,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-10 16:21:07,914 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:21:07,916 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 16:21:07,917 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:21:07,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:21:07,925 INFO L82 PathProgramCache]: Analyzing trace with hash 398486269, now seen corresponding path program 1 times [2018-10-10 16:21:07,995 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:21:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:21:08,953 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 16:21:08,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:21:08,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 16:21:08,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 16:21:08,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 16:21:08,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 16:21:08,978 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 8 states. [2018-10-10 16:21:09,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:21:09,926 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-10-10 16:21:09,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-10 16:21:09,929 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2018-10-10 16:21:09,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:21:09,941 INFO L225 Difference]: With dead ends: 153 [2018-10-10 16:21:09,941 INFO L226 Difference]: Without dead ends: 153 [2018-10-10 16:21:09,943 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-10-10 16:21:09,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-10 16:21:09,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 105. [2018-10-10 16:21:09,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-10-10 16:21:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-10-10 16:21:09,989 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 50 [2018-10-10 16:21:09,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:21:09,990 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-10-10 16:21:09,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 16:21:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-10-10 16:21:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-10 16:21:09,994 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:21:09,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:21:09,995 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:21:09,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:21:09,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1096919234, now seen corresponding path program 1 times [2018-10-10 16:21:09,997 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:21:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:21:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:21:10,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:21:10,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-10 16:21:10,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 16:21:10,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 16:21:10,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 16:21:10,336 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 8 states. [2018-10-10 16:21:11,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:21:11,167 INFO L93 Difference]: Finished difference Result 91 states and 90 transitions. [2018-10-10 16:21:11,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 16:21:11,168 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-10-10 16:21:11,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:21:11,169 INFO L225 Difference]: With dead ends: 91 [2018-10-10 16:21:11,169 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:21:11,171 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-10-10 16:21:11,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:21:11,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:21:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:21:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:21:11,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2018-10-10 16:21:11,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:21:11,173 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:21:11,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 16:21:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:21:11,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:21:11,177 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:21:11 BasicIcfg [2018-10-10 16:21:11,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:21:11,179 INFO L168 Benchmark]: Toolchain (without parser) took 18539.41 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 30.7 MB. Max. memory is 7.1 GB. [2018-10-10 16:21:11,180 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 16:21:11,181 INFO L168 Benchmark]: Boogie Preprocessor took 56.26 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 16:21:11,181 INFO L168 Benchmark]: RCFGBuilder took 691.53 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 16:21:11,182 INFO L168 Benchmark]: IcfgTransformer took 14391.01 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 645.4 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 121.0 MB). Peak memory consumption was 766.4 MB. Max. memory is 7.1 GB. [2018-10-10 16:21:11,184 INFO L168 Benchmark]: TraceAbstraction took 3393.22 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 582.0 MB). Free memory was 1.3 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:21:11,189 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 0.21 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 56.26 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 691.53 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 14391.01 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 645.4 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 121.0 MB). Peak memory consumption was 766.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3393.22 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 582.0 MB). Free memory was 1.3 GB in the beginning and 2.7 GB in the end (delta: -1.3 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 : 76 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1930 LocStat_NO_SUPPORTING_DISEQUALITIES : 292 LocStat_NO_DISJUNCTIONS : -152 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 78 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 73 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 78 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 5386.79 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 200 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 78 different actions 198 times. Merged at 59 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: 151]: 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, 78 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 172 SDtfs, 317 SDslu, 664 SDs, 0 SdLazy, 94 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.6s 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, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 31704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 9/29 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_12.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-21-11-215.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-21-11-215.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-21-11-215.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...