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_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:05:59,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:05:59,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:05:59,203 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:05:59,203 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:05:59,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:05:59,206 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:05:59,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:05:59,211 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:05:59,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:05:59,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:05:59,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:05:59,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:05:59,218 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:05:59,227 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:05:59,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:05:59,229 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:05:59,232 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:05:59,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:05:59,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:05:59,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:05:59,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:05:59,252 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:05:59,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:05:59,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:05:59,253 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:05:59,254 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:05:59,255 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:05:59,256 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:05:59,257 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:05:59,260 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:05:59,261 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 18:05:59,265 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 18:05:59,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:05:59,280 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:05:59,281 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:05:59,281 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:05:59,282 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:05:59,282 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:05:59,283 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:05:59,283 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:05:59,283 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:05:59,283 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:05:59,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:05:59,284 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:05:59,285 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:05:59,285 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:05:59,287 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:05:59,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:05:59,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:05:59,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:05:59,381 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:05:59,382 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:05:59,382 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl [2018-10-14 18:05:59,383 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl' [2018-10-14 18:05:59,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:05:59,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:05:59,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:05:59,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:05:59,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:05:59,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:59" (1/1) ... [2018-10-14 18:05:59,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:59" (1/1) ... [2018-10-14 18:05:59,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:59" (1/1) ... [2018-10-14 18:05:59,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:59" (1/1) ... [2018-10-14 18:05:59,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:59" (1/1) ... [2018-10-14 18:05:59,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:59" (1/1) ... [2018-10-14 18:05:59,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:59" (1/1) ... [2018-10-14 18:05:59,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:05:59,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:05:59,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:05:59,552 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:05:59,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:59" (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 18:05:59,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:05:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:05:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:06:00,246 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:06:00,247 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:06:00 BoogieIcfgContainer [2018-10-14 18:06:00,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:06:00,248 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:06:00,248 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:06:00,249 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:06:00,257 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:06:00" (1/1) ... [2018-10-14 18:06:00,267 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:06:00,267 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:06:00,310 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:06:00,360 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:06:00,376 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:06:00,442 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:06:41,841 INFO L315 AbstractInterpreter]: Visited 96 different actions 329 times. Merged at 77 different actions 227 times. Widened at 2 different actions 2 times. Found 5 fixpoints after 4 different actions. Largest state had 0 variables. [2018-10-14 18:06:41,843 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:06:41,848 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:06:41,881 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_6|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-14 18:06:41,930 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_4_1_1| |v_ULTIMATE.start_write~int_#ptr.base_12|) 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 18:06:41,936 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |#loc_#memory_int_(Array-Int-#locsort1)| |v_ULTIMATE.start_read~int_#ptr.base_7|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-14 18:06:41,937 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_7|) |v_ULTIMATE.start_read~int_#ptr.offset_5|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-14 18:06:41,938 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:06:41,938 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:06:41,939 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:06:41,939 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:06:41,939 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:06:41,939 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:06:41,939 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:06:41,940 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:06:41,940 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:06:41,940 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:06:41,940 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:06:41,940 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:06:41,941 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:06:41,941 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:06:41,941 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:06:41,943 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:06:41,977 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:06:41 BasicIcfg [2018-10-14 18:06:41,977 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:06:41,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:06:41,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:06:41,984 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:06:41,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:59" (1/3) ... [2018-10-14 18:06:41,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d23572 and model type ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:06:41, skipping insertion in model container [2018-10-14 18:06:41,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:06:00" (2/3) ... [2018-10-14 18:06:41,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d23572 and model type ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:06:41, skipping insertion in model container [2018-10-14 18:06:41,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:06:41" (3/3) ... [2018-10-14 18:06:41,990 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:06:42,001 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:06:42,012 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:06:42,030 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:06:42,064 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:06:42,065 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:06:42,066 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:06:42,068 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:06:42,068 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:06:42,068 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:06:42,068 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:06:42,068 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:06:42,068 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:06:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2018-10-14 18:06:42,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-14 18:06:42,103 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:06:42,104 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] [2018-10-14 18:06:42,106 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:06:42,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:06:42,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1027104483, now seen corresponding path program 1 times [2018-10-14 18:06:42,174 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:06:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:06:42,610 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 18:06:42,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:06:42,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-14 18:06:42,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 18:06:42,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 18:06:42,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-14 18:06:42,768 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 6 states. [2018-10-14 18:06:43,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:06:43,069 INFO L93 Difference]: Finished difference Result 151 states and 152 transitions. [2018-10-14 18:06:43,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 18:06:43,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-10-14 18:06:43,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:06:43,083 INFO L225 Difference]: With dead ends: 151 [2018-10-14 18:06:43,083 INFO L226 Difference]: Without dead ends: 151 [2018-10-14 18:06:43,085 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-14 18:06:43,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-10-14 18:06:43,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 113. [2018-10-14 18:06:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-14 18:06:43,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 114 transitions. [2018-10-14 18:06:43,129 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 114 transitions. Word has length 41 [2018-10-14 18:06:43,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:06:43,130 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 114 transitions. [2018-10-14 18:06:43,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 18:06:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-10-14 18:06:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-14 18:06:43,133 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:06:43,133 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:06:43,134 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:06:43,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:06:43,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1271610902, now seen corresponding path program 1 times [2018-10-14 18:06:43,135 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:06:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:06:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-14 18:06:44,656 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:06:44,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-10-14 18:06:44,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-14 18:06:44,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-14 18:06:44,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-10-14 18:06:44,660 INFO L87 Difference]: Start difference. First operand 113 states and 114 transitions. Second operand 19 states. [2018-10-14 18:06:46,986 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-10-14 18:06:47,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:06:47,124 INFO L93 Difference]: Finished difference Result 219 states and 222 transitions. [2018-10-14 18:06:47,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-14 18:06:47,124 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 95 [2018-10-14 18:06:47,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:06:47,127 INFO L225 Difference]: With dead ends: 219 [2018-10-14 18:06:47,127 INFO L226 Difference]: Without dead ends: 219 [2018-10-14 18:06:47,129 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=461, Invalid=1891, Unknown=0, NotChecked=0, Total=2352 [2018-10-14 18:06:47,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-10-14 18:06:47,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 117. [2018-10-14 18:06:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-14 18:06:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 119 transitions. [2018-10-14 18:06:47,141 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 119 transitions. Word has length 95 [2018-10-14 18:06:47,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:06:47,142 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 119 transitions. [2018-10-14 18:06:47,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-14 18:06:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 119 transitions. [2018-10-14 18:06:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-14 18:06:47,145 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:06:47,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:06:47,146 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:06:47,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:06:47,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1319863131, now seen corresponding path program 1 times [2018-10-14 18:06:47,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:06:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:06:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:06:47,329 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:06:47,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-14 18:06:47,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-14 18:06:47,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-14 18:06:47,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-14 18:06:47,331 INFO L87 Difference]: Start difference. First operand 117 states and 119 transitions. Second operand 10 states. [2018-10-14 18:06:47,993 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-14 18:06:48,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:06:48,169 INFO L93 Difference]: Finished difference Result 268 states and 271 transitions. [2018-10-14 18:06:48,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-14 18:06:48,170 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 116 [2018-10-14 18:06:48,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:06:48,174 INFO L225 Difference]: With dead ends: 268 [2018-10-14 18:06:48,174 INFO L226 Difference]: Without dead ends: 268 [2018-10-14 18:06:48,175 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2018-10-14 18:06:48,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-10-14 18:06:48,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 192. [2018-10-14 18:06:48,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-10-14 18:06:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 195 transitions. [2018-10-14 18:06:48,189 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 195 transitions. Word has length 116 [2018-10-14 18:06:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:06:48,190 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 195 transitions. [2018-10-14 18:06:48,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-14 18:06:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 195 transitions. [2018-10-14 18:06:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-14 18:06:48,193 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:06:48,193 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:06:48,194 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:06:48,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:06:48,194 INFO L82 PathProgramCache]: Analyzing trace with hash -2023916044, now seen corresponding path program 2 times [2018-10-14 18:06:48,195 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:06:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:06:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 76 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-14 18:06:48,357 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:06:48,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-14 18:06:48,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-14 18:06:48,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-14 18:06:48,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-14 18:06:48,359 INFO L87 Difference]: Start difference. First operand 192 states and 195 transitions. Second operand 8 states. [2018-10-14 18:06:48,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:06:48,568 INFO L93 Difference]: Finished difference Result 230 states and 232 transitions. [2018-10-14 18:06:48,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-14 18:06:48,571 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2018-10-14 18:06:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:06:48,574 INFO L225 Difference]: With dead ends: 230 [2018-10-14 18:06:48,574 INFO L226 Difference]: Without dead ends: 230 [2018-10-14 18:06:48,575 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-10-14 18:06:48,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-10-14 18:06:48,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 192. [2018-10-14 18:06:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-10-14 18:06:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 194 transitions. [2018-10-14 18:06:48,588 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 194 transitions. Word has length 170 [2018-10-14 18:06:48,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:06:48,589 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 194 transitions. [2018-10-14 18:06:48,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-14 18:06:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 194 transitions. [2018-10-14 18:06:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-14 18:06:48,593 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:06:48,593 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:06:48,593 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:06:48,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:06:48,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1016538083, now seen corresponding path program 3 times [2018-10-14 18:06:48,594 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:06:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:06:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 92 proven. 30 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-14 18:06:48,859 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:06:48,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-14 18:06:48,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-14 18:06:48,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-14 18:06:48,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-14 18:06:48,860 INFO L87 Difference]: Start difference. First operand 192 states and 194 transitions. Second operand 10 states. [2018-10-14 18:06:49,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:06:49,194 INFO L93 Difference]: Finished difference Result 121 states and 120 transitions. [2018-10-14 18:06:49,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-14 18:06:49,194 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2018-10-14 18:06:49,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:06:49,195 INFO L225 Difference]: With dead ends: 121 [2018-10-14 18:06:49,195 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:06:49,196 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-10-14 18:06:49,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:06:49,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:06:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:06:49,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:06:49,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2018-10-14 18:06:49,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:06:49,198 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:06:49,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-14 18:06:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:06:49,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:06:49,202 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:06:49 BasicIcfg [2018-10-14 18:06:49,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:06:49,203 INFO L168 Benchmark]: Toolchain (without parser) took 49718.17 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 578.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:06:49,204 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:06:49,205 INFO L168 Benchmark]: Boogie Preprocessor took 63.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:06:49,206 INFO L168 Benchmark]: RCFGBuilder took 696.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:06:49,206 INFO L168 Benchmark]: IcfgTransformer took 41729.47 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -162.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-14 18:06:49,207 INFO L168 Benchmark]: TraceAbstraction took 7221.62 ms. Allocated memory was 3.2 GB in the beginning and 4.0 GB in the end (delta: 748.2 MB). Free memory was 1.6 GB in the beginning and 3.3 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:06:49,212 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 696.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 41729.47 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -162.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * TraceAbstraction took 7221.62 ms. Allocated memory was 3.2 GB in the beginning and 4.0 GB in the end (delta: 748.2 MB). Free memory was 1.6 GB in the beginning and 3.3 GB in the end (delta: -1.8 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 : 93 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 2388 LocStat_NO_SUPPORTING_DISEQUALITIES : 469 LocStat_NO_DISJUNCTIONS : -186 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 96 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 90 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 96 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 12040.02 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 331 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 96 different actions 329 times. Merged at 77 different actions 227 times. Widened at 2 different actions 2 times. Found 5 fixpoints after 4 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 2 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 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: 178]: 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, 95 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 525 SDtfs, 2384 SDslu, 2594 SDs, 0 SdLazy, 778 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=3, 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, 5 MinimizatonAttempts, 254 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 613 NumberOfCodeBlocks, 613 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 608 ConstructedInterpolants, 0 QuantifiedInterpolants, 272358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 182/272 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_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-06-49-236.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-06-49-236.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-06-49-236.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...