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_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:07:59,007 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:07:59,011 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:07:59,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:07:59,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:07:59,029 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:07:59,030 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:07:59,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:07:59,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:07:59,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:07:59,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:07:59,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:07:59,037 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:07:59,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:07:59,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:07:59,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:07:59,040 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:07:59,042 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:07:59,044 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:07:59,046 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:07:59,047 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:07:59,048 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:07:59,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:07:59,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:07:59,051 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:07:59,052 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:07:59,053 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:07:59,054 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:07:59,055 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:07:59,056 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:07:59,056 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:07:59,057 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 18:07:59,057 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 18:07:59,057 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 18:07:59,058 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 18:07:59,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 18:07:59,059 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 18:07:59,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:07:59,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:07:59,076 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:07:59,076 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:07:59,077 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:07:59,077 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:07:59,078 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:07:59,078 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:07:59,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:07:59,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:07:59,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:07:59,079 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:07:59,079 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:07:59,081 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:07:59,081 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:07:59,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:07:59,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:07:59,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:07:59,169 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:07:59,170 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:07:59,170 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl [2018-10-14 18:07:59,171 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl' [2018-10-14 18:07:59,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:07:59,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:07:59,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:07:59,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:07:59,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:07:59,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:59" (1/1) ... [2018-10-14 18:07:59,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:59" (1/1) ... [2018-10-14 18:07:59,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:59" (1/1) ... [2018-10-14 18:07:59,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:59" (1/1) ... [2018-10-14 18:07:59,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:59" (1/1) ... [2018-10-14 18:07:59,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:59" (1/1) ... [2018-10-14 18:07:59,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:59" (1/1) ... [2018-10-14 18:07:59,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:07:59,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:07:59,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:07:59,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:07:59,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:59" (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 18:07:59,392 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:07:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:07:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:07:59,924 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:07:59,925 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:07:59 BoogieIcfgContainer [2018-10-14 18:07:59,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:07:59,926 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:07:59,926 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:07:59,927 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:07:59,932 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:07:59" (1/1) ... [2018-10-14 18:07:59,941 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:07:59,941 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:07:59,981 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:08:00,028 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:08:00,044 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:08:00,126 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:08:05,477 INFO L315 AbstractInterpreter]: Visited 60 different actions 120 times. Merged at 29 different actions 58 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:08:05,480 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:08:05,484 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:08:05,543 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]];) [2018-10-14 18:08:05,546 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:08:05,546 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:08:05,547 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:08:05,547 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:08:05,547 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:08:05,547 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:08:05,549 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:08:05,550 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:08:05,550 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:08:05,550 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:08:05,550 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:08:05,551 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:08:05,551 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:08:05,551 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:08:05,551 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:08:05,554 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:08:05,582 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:08:05 BasicIcfg [2018-10-14 18:08:05,582 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:08:05,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:08:05,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:08:05,590 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:08:05,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:59" (1/3) ... [2018-10-14 18:08:05,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f19cc9 and model type ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:08:05, skipping insertion in model container [2018-10-14 18:08:05,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:07:59" (2/3) ... [2018-10-14 18:08:05,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f19cc9 and model type ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:08:05, skipping insertion in model container [2018-10-14 18:08:05,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:08:05" (3/3) ... [2018-10-14 18:08:05,595 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:08:05,606 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:08:05,615 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:08:05,635 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:08:05,663 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:08:05,664 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:08:05,665 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:08:05,665 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:08:05,665 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:08:05,665 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:08:05,667 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:08:05,667 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:08:05,667 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:08:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-10-14 18:08:05,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-14 18:08:05,698 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:08:05,699 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] [2018-10-14 18:08:05,701 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:08:05,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:08:05,711 INFO L82 PathProgramCache]: Analyzing trace with hash 719045978, now seen corresponding path program 1 times [2018-10-14 18:08:05,782 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:08:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:08:06,333 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 18:08:06,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:08:06,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-14 18:08:06,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 18:08:06,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 18:08:06,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-14 18:08:06,359 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-10-14 18:08:07,050 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-14 18:08:07,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:08:07,453 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-10-14 18:08:07,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 18:08:07,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-10-14 18:08:07,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:08:07,550 INFO L225 Difference]: With dead ends: 92 [2018-10-14 18:08:07,551 INFO L226 Difference]: Without dead ends: 91 [2018-10-14 18:08:07,553 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-14 18:08:07,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-10-14 18:08:07,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 71. [2018-10-14 18:08:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-10-14 18:08:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-10-14 18:08:07,596 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 44 [2018-10-14 18:08:07,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:08:07,597 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-10-14 18:08:07,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 18:08:07,597 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-10-14 18:08:07,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-14 18:08:07,599 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:08:07,599 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:08:07,600 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:08:07,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:08:07,600 INFO L82 PathProgramCache]: Analyzing trace with hash -588771703, now seen corresponding path program 1 times [2018-10-14 18:08:07,601 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:08:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:08:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-14 18:08:08,269 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:08:08,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-14 18:08:08,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-14 18:08:08,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-14 18:08:08,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-14 18:08:08,279 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 8 states. [2018-10-14 18:08:09,405 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-14 18:08:09,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:08:09,406 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-10-14 18:08:09,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 18:08:09,406 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2018-10-14 18:08:09,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:08:09,409 INFO L225 Difference]: With dead ends: 69 [2018-10-14 18:08:09,409 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:08:09,412 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-10-14 18:08:09,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:08:09,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:08:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:08:09,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:08:09,413 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-10-14 18:08:09,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:08:09,414 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:08:09,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-14 18:08:09,414 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:08:09,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:08:09,420 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:08:09 BasicIcfg [2018-10-14 18:08:09,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:08:09,422 INFO L168 Benchmark]: Toolchain (without parser) took 10181.97 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 32.8 MB. Max. memory is 7.1 GB. [2018-10-14 18:08:09,425 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 18:08:09,425 INFO L168 Benchmark]: Boogie Preprocessor took 67.32 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 18:08:09,427 INFO L168 Benchmark]: RCFGBuilder took 615.99 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. [2018-10-14 18:08:09,428 INFO L168 Benchmark]: IcfgTransformer took 5656.59 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 205.5 MB). Free memory was 1.4 GB in the beginning and 966.2 MB in the end (delta: 463.7 MB). Peak memory consumption was 669.2 MB. Max. memory is 7.1 GB. [2018-10-14 18:08:09,430 INFO L168 Benchmark]: TraceAbstraction took 3834.31 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 863.5 MB). Free memory was 966.2 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. [2018-10-14 18:08:09,439 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 0.19 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. * Boogie Preprocessor took 67.32 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 615.99 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 5656.59 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 205.5 MB). Free memory was 1.4 GB in the beginning and 966.2 MB in the end (delta: 463.7 MB). Peak memory consumption was 669.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3834.31 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 863.5 MB). Free memory was 966.2 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 : 58 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1103 LocStat_NO_SUPPORTING_DISEQUALITIES : 372 LocStat_NO_DISJUNCTIONS : -116 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 60 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 54 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 60 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 3307.29 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 120 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 60 different actions 120 times. Merged at 29 different actions 58 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: 123]: 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, 62 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 181 SDslu, 319 SDs, 0 SdLazy, 146 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 20424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/11 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_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-08-09-477.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-08-09-477.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-08-09-477.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...