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/ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:22:05,228 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:22:05,230 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:22:05,245 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:22:05,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:22:05,247 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:22:05,248 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:22:05,250 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:22:05,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:22:05,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:22:05,253 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:22:05,253 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:22:05,254 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:22:05,255 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:22:05,256 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:22:05,257 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:22:05,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:22:05,260 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:22:05,262 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:22:05,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:22:05,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:22:05,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:22:05,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 16:22:05,277 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 16:22:05,291 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:22:05,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:22:05,292 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:22:05,293 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:22:05,293 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:22:05,293 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:22:05,294 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:22:05,294 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:22:05,294 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:22:05,294 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:22:05,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:22:05,298 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:22:05,299 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:22:05,300 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:22:05,301 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:22:05,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:22:05,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:22:05,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:22:05,371 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:22:05,371 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:22:05,372 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl [2018-10-10 16:22:05,372 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl' [2018-10-10 16:22:05,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:22:05,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:22:05,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:22:05,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:22:05,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:22:05,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:05" (1/1) ... [2018-10-10 16:22:05,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:05" (1/1) ... [2018-10-10 16:22:05,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:05" (1/1) ... [2018-10-10 16:22:05,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:05" (1/1) ... [2018-10-10 16:22:05,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:05" (1/1) ... [2018-10-10 16:22:05,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:05" (1/1) ... [2018-10-10 16:22:05,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:05" (1/1) ... [2018-10-10 16:22:05,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:22:05,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:22:05,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:22:05,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:22:05,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:05" (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 16:22:05,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:22:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:22:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:22:06,099 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:22:06,100 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:22:06 BoogieIcfgContainer [2018-10-10 16:22:06,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:22:06,101 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:22:06,101 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:22:06,103 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:22:06,106 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:22:06" (1/1) ... [2018-10-10 16:22:06,113 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:22:06,113 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:22:06,147 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:22:06,185 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:22:06,205 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:22:06,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:22:11,766 INFO L315 AbstractInterpreter]: Visited 61 different actions 123 times. Merged at 30 different actions 60 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:22:11,768 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:22:11,772 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:22:11,816 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 #memory_int == 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]];) [2018-10-10 16:22:11,819 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:22:11,819 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:22:11,820 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:22:11,820 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:22:11,820 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:22:11,820 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:22:11,821 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:22:11,821 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:22:11,821 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:22:11,821 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:22:11,821 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:22:11,822 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:22:11,822 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:22:11,822 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:22:11,823 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:22:11,824 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:22:11,847 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:22:11 BasicIcfg [2018-10-10 16:22:11,848 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:22:11,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:22:11,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:22:11,853 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:22:11,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:05" (1/3) ... [2018-10-10 16:22:11,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb25a0f and model type ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:22:11, skipping insertion in model container [2018-10-10 16:22:11,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:22:06" (2/3) ... [2018-10-10 16:22:11,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb25a0f and model type ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:22:11, skipping insertion in model container [2018-10-10 16:22:11,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:22:11" (3/3) ... [2018-10-10 16:22:11,857 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:22:11,867 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:22:11,876 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:22:11,894 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:22:11,921 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:22:11,922 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:22:11,922 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:22:11,922 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:22:11,923 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:22:11,923 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:22:11,923 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:22:11,923 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:22:11,923 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:22:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-10-10 16:22:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-10 16:22:11,944 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:22:11,946 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] [2018-10-10 16:22:11,947 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:22:11,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:22:11,952 INFO L82 PathProgramCache]: Analyzing trace with hash -189032745, now seen corresponding path program 1 times [2018-10-10 16:22:12,021 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:22:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:22:12,200 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 16:22:12,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:22:12,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 16:22:12,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 16:22:12,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 16:22:12,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 16:22:12,231 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2018-10-10 16:22:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:12,493 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-10-10 16:22:12,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 16:22:12,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2018-10-10 16:22:12,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:12,510 INFO L225 Difference]: With dead ends: 86 [2018-10-10 16:22:12,510 INFO L226 Difference]: Without dead ends: 86 [2018-10-10 16:22:12,515 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 [2018-10-10 16:22:12,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-10-10 16:22:12,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 62. [2018-10-10 16:22:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-10-10 16:22:12,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-10-10 16:22:12,656 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 35 [2018-10-10 16:22:12,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:12,656 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-10-10 16:22:12,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 16:22:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-10-10 16:22:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-10 16:22:12,659 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:22:12,659 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] [2018-10-10 16:22:12,659 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:22:12,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:22:12,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1328563432, now seen corresponding path program 1 times [2018-10-10 16:22:12,661 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:22:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:22:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:22:13,010 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:22:13,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-10 16:22:13,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 16:22:13,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 16:22:13,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 16:22:13,015 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 5 states. [2018-10-10 16:22:13,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:13,738 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-10-10 16:22:13,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 16:22:13,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2018-10-10 16:22:13,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:13,742 INFO L225 Difference]: With dead ends: 112 [2018-10-10 16:22:13,742 INFO L226 Difference]: Without dead ends: 112 [2018-10-10 16:22:13,743 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 [2018-10-10 16:22:13,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-10-10 16:22:13,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 88. [2018-10-10 16:22:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-10 16:22:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-10-10 16:22:13,754 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 61 [2018-10-10 16:22:13,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:13,755 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-10-10 16:22:13,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 16:22:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-10-10 16:22:13,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-10 16:22:13,759 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:22:13,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:22:13,760 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:22:13,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:22:13,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1469476935, now seen corresponding path program 2 times [2018-10-10 16:22:13,762 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:22:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:22:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-10 16:22:14,289 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:22:14,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-10 16:22:14,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 16:22:14,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 16:22:14,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-10 16:22:14,291 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 6 states. [2018-10-10 16:22:14,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:14,895 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-10-10 16:22:14,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 16:22:14,895 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-10-10 16:22:14,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:14,896 INFO L225 Difference]: With dead ends: 86 [2018-10-10 16:22:14,896 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:22:14,898 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-10 16:22:14,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:22:14,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:22:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:22:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:22:14,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2018-10-10 16:22:14,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:14,900 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:22:14,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 16:22:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:22:14,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:22:14,904 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:22:14 BasicIcfg [2018-10-10 16:22:14,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:22:14,905 INFO L168 Benchmark]: Toolchain (without parser) took 9464.69 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:14,907 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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 16:22:14,907 INFO L168 Benchmark]: Boogie Preprocessor took 53.50 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 16:22:14,908 INFO L168 Benchmark]: RCFGBuilder took 603.95 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:14,909 INFO L168 Benchmark]: IcfgTransformer took 5746.89 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 218.1 MB). Free memory was 1.4 GB in the beginning and 971.0 MB in the end (delta: 462.5 MB). Peak memory consumption was 680.6 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:14,910 INFO L168 Benchmark]: TraceAbstraction took 3055.30 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 836.2 MB). Free memory was 971.0 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:22:14,915 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 0.15 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 53.50 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 603.95 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 5746.89 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 218.1 MB). Free memory was 1.4 GB in the beginning and 971.0 MB in the end (delta: 462.5 MB). Peak memory consumption was 680.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3055.30 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 836.2 MB). Free memory was 971.0 MB in the beginning and 2.5 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 : 59 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1097 LocStat_NO_SUPPORTING_DISEQUALITIES : 381 LocStat_NO_DISJUNCTIONS : -118 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 61 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 56 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 61 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 3470.33 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 123 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 61 different actions 123 times. Merged at 30 different actions 60 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: 124]: 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, 63 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 178 SDtfs, 137 SDslu, 330 SDs, 0 SdLazy, 81 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred 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, 48 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 29736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 26/29 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/ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-22-14-939.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-22-14-939.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_6.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-22-14-939.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...