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-b8f97f7-m [2018-10-10 16:21:10,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:21:10,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:21:10,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:21:10,087 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:21:10,088 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:21:10,089 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:21:10,090 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:21:10,092 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:21:10,093 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:21:10,094 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:21:10,094 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:21:10,095 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:21:10,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:21:10,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:21:10,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:21:10,099 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:21:10,100 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:21:10,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:21:10,104 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:21:10,105 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:21:10,106 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:21:10,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:21:10,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:21:10,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:21:10,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:21:10,111 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:21:10,111 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:21:10,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:21:10,113 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:21:10,114 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:21:10,114 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:21:10,115 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:21:10,115 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:21:10,116 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:21:10,116 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:21:10,117 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 16:21:10,126 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:21:10,126 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:21:10,127 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:21:10,127 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:21:10,128 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:21:10,128 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:21:10,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:21:10,129 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:21:10,129 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:21:10,129 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:21:10,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:21:10,129 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:21:10,130 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:21:10,130 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:21:10,131 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:21:10,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:21:10,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:21:10,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:21:10,194 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:21:10,194 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:21:10,195 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl [2018-10-10 16:21:10,195 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl' [2018-10-10 16:21:10,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:21:10,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:21:10,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:21:10,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:21:10,260 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:21:10,288 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 10.10 04:21:10" (1/1) ... [2018-10-10 16:21:10,290 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 10.10 04:21:10" (1/1) ... [2018-10-10 16:21:10,308 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 10.10 04:21:10" (1/1) ... [2018-10-10 16:21:10,308 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 10.10 04:21:10" (1/1) ... [2018-10-10 16:21:10,314 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 10.10 04:21:10" (1/1) ... [2018-10-10 16:21:10,317 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 10.10 04:21:10" (1/1) ... [2018-10-10 16:21:10,318 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 10.10 04:21:10" (1/1) ... [2018-10-10 16:21:10,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:21:10,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:21:10,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:21:10,323 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:21:10,324 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 10.10 04:21:10" (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 16:21:10,387 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:21:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:21:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:21:11,051 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:21:11,052 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:21:11 BoogieIcfgContainer [2018-10-10 16:21:11,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:21:11,053 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:21:11,053 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:21:11,054 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:21:11,058 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 10.10 04:21:11" (1/1) ... [2018-10-10 16:21:11,067 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:21:11,067 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:21:11,110 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:21:11,171 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:21:11,196 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:21:11,288 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:21:55,162 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. [2018-10-10 16:21:55,165 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:21:55,171 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:21:55,202 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_6|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-10 16:21:55,251 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]];) [2018-10-10 16:21:55,257 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;) [2018-10-10 16:21:55,258 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;) [2018-10-10 16:21:55,259 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:21:55,259 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:21:55,259 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:21:55,260 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:21:55,260 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:55,260 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:21:55,260 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:21:55,260 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:55,260 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:21:55,260 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:21:55,261 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:21:55,261 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:55,261 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:21:55,261 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:21:55,262 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:55,263 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:21:55,293 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:21:55 BasicIcfg [2018-10-10 16:21:55,296 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:21:55,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:21:55,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:21:55,303 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:21:55,303 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 10.10 04:21:10" (1/3) ... [2018-10-10 16:21:55,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e231c7 and model type ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:21:55, skipping insertion in model container [2018-10-10 16:21:55,304 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 10.10 04:21:11" (2/3) ... [2018-10-10 16:21:55,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e231c7 and model type ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:21:55, skipping insertion in model container [2018-10-10 16:21:55,307 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 10.10 04:21:55" (3/3) ... [2018-10-10 16:21:55,309 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:21:55,319 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:21:55,335 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:21:55,354 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:21:55,376 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:21:55,377 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:21:55,377 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:21:55,377 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:21:55,377 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:21:55,377 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:21:55,378 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:21:55,378 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:21:55,378 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:21:55,391 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2018-10-10 16:21:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-10 16:21:55,397 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:21:55,398 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] [2018-10-10 16:21:55,399 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:21:55,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:21:55,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1027104483, now seen corresponding path program 1 times [2018-10-10 16:21:55,466 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:21:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:21:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:21:55,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:21:55,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 16:21:55,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 16:21:55,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 16:21:55,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-10 16:21:55,951 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 6 states. [2018-10-10 16:21:56,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:21:56,671 INFO L93 Difference]: Finished difference Result 151 states and 152 transitions. [2018-10-10 16:21:56,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 16:21:56,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-10-10 16:21:56,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:21:56,686 INFO L225 Difference]: With dead ends: 151 [2018-10-10 16:21:56,686 INFO L226 Difference]: Without dead ends: 151 [2018-10-10 16:21:56,688 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-10 16:21:56,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-10-10 16:21:56,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 113. [2018-10-10 16:21:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-10 16:21:56,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 114 transitions. [2018-10-10 16:21:56,743 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 114 transitions. Word has length 41 [2018-10-10 16:21:56,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:21:56,743 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 114 transitions. [2018-10-10 16:21:56,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 16:21:56,744 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-10-10 16:21:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-10 16:21:56,747 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:21:56,747 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] [2018-10-10 16:21:56,747 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:21:56,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:21:56,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1271610902, now seen corresponding path program 1 times [2018-10-10 16:21:56,749 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:21:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:21:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-10 16:21:58,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:21:58,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-10-10 16:21:58,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 16:21:58,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 16:21:58,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-10-10 16:21:58,064 INFO L87 Difference]: Start difference. First operand 113 states and 114 transitions. Second operand 19 states. [2018-10-10 16:22:00,396 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-10-10 16:22:00,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:00,546 INFO L93 Difference]: Finished difference Result 219 states and 222 transitions. [2018-10-10 16:22:00,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-10 16:22:00,547 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 95 [2018-10-10 16:22:00,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:00,550 INFO L225 Difference]: With dead ends: 219 [2018-10-10 16:22:00,550 INFO L226 Difference]: Without dead ends: 219 [2018-10-10 16:22:00,552 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=461, Invalid=1891, Unknown=0, NotChecked=0, Total=2352 [2018-10-10 16:22:00,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-10-10 16:22:00,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 117. [2018-10-10 16:22:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-10 16:22:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 119 transitions. [2018-10-10 16:22:00,565 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 119 transitions. Word has length 95 [2018-10-10 16:22:00,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:00,566 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 119 transitions. [2018-10-10 16:22:00,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 16:22:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 119 transitions. [2018-10-10 16:22:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-10 16:22:00,569 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:22:00,569 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] [2018-10-10 16:22:00,570 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:22:00,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:22:00,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1319863131, now seen corresponding path program 1 times [2018-10-10 16:22:00,571 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:22:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:22:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:22:00,836 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:22:00,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-10 16:22:00,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 16:22:00,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 16:22:00,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-10 16:22:00,837 INFO L87 Difference]: Start difference. First operand 117 states and 119 transitions. Second operand 10 states. [2018-10-10 16:22:01,493 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-10 16:22:01,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:01,694 INFO L93 Difference]: Finished difference Result 268 states and 271 transitions. [2018-10-10 16:22:01,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 16:22:01,695 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 116 [2018-10-10 16:22:01,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:01,699 INFO L225 Difference]: With dead ends: 268 [2018-10-10 16:22:01,699 INFO L226 Difference]: Without dead ends: 268 [2018-10-10 16:22:01,700 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 [2018-10-10 16:22:01,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-10-10 16:22:01,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 192. [2018-10-10 16:22:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-10-10 16:22:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 195 transitions. [2018-10-10 16:22:01,715 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 195 transitions. Word has length 116 [2018-10-10 16:22:01,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:01,716 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 195 transitions. [2018-10-10 16:22:01,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 16:22:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 195 transitions. [2018-10-10 16:22:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-10 16:22:01,719 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:22:01,719 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] [2018-10-10 16:22:01,719 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:22:01,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:22:01,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2023916044, now seen corresponding path program 2 times [2018-10-10 16:22:01,721 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:22:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:22:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 76 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-10 16:22:01,885 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:22:01,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-10 16:22:01,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 16:22:01,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 16:22:01,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 16:22:01,886 INFO L87 Difference]: Start difference. First operand 192 states and 195 transitions. Second operand 8 states. [2018-10-10 16:22:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:02,053 INFO L93 Difference]: Finished difference Result 230 states and 232 transitions. [2018-10-10 16:22:02,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-10 16:22:02,056 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2018-10-10 16:22:02,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:02,058 INFO L225 Difference]: With dead ends: 230 [2018-10-10 16:22:02,058 INFO L226 Difference]: Without dead ends: 230 [2018-10-10 16:22:02,058 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 [2018-10-10 16:22:02,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-10-10 16:22:02,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 192. [2018-10-10 16:22:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-10-10 16:22:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 194 transitions. [2018-10-10 16:22:02,071 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 194 transitions. Word has length 170 [2018-10-10 16:22:02,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:02,072 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 194 transitions. [2018-10-10 16:22:02,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 16:22:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 194 transitions. [2018-10-10 16:22:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-10 16:22:02,083 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:22:02,084 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] [2018-10-10 16:22:02,087 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:22:02,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:22:02,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1016538083, now seen corresponding path program 3 times [2018-10-10 16:22:02,088 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:22:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:22:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 92 proven. 30 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-10 16:22:02,388 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:22:02,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-10 16:22:02,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 16:22:02,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 16:22:02,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-10 16:22:02,390 INFO L87 Difference]: Start difference. First operand 192 states and 194 transitions. Second operand 10 states. [2018-10-10 16:22:02,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:02,656 INFO L93 Difference]: Finished difference Result 121 states and 120 transitions. [2018-10-10 16:22:02,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-10 16:22:02,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2018-10-10 16:22:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:02,658 INFO L225 Difference]: With dead ends: 121 [2018-10-10 16:22:02,658 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:22:02,659 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 [2018-10-10 16:22:02,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:22:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:22:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:22:02,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:22:02,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2018-10-10 16:22:02,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:02,661 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:22:02,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 16:22:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:22:02,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:22:02,665 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:22:02 BasicIcfg [2018-10-10 16:22:02,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:22:02,666 INFO L168 Benchmark]: Toolchain (without parser) took 52408.25 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.8 GB). Peak memory consumption was 580.8 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:02,667 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. [2018-10-10 16:22:02,668 INFO L168 Benchmark]: Boogie Preprocessor took 62.17 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. [2018-10-10 16:22:02,669 INFO L168 Benchmark]: RCFGBuilder took 730.07 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. [2018-10-10 16:22:02,669 INFO L168 Benchmark]: IcfgTransformer took 44243.24 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 903.8 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:02,670 INFO L168 Benchmark]: TraceAbstraction took 7367.87 ms. Allocated memory was 3.5 GB in the beginning and 3.9 GB in the end (delta: 420.0 MB). Free memory was 2.5 GB in the beginning and 3.3 GB in the end (delta: -774.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:22:02,675 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 62.17 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 730.07 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 44243.24 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 903.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7367.87 ms. Allocated memory was 3.5 GB in the beginning and 3.9 GB in the end (delta: 420.0 MB). Free memory was 2.5 GB in the beginning and 3.3 GB in the end (delta: -774.6 MB). 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) : 13006.36 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, 7.2s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 525 SDtfs, 2384 SDslu, 2594 SDs, 0 SdLazy, 778 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s 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, 2.1s 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-0-2018-10-10_16-22-02-691.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-0-2018-10-10_16-22-02-691.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-0-2018-10-10_16-22-02-691.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...