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/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:11:36,140 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:11:36,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:11:36,156 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:11:36,157 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:11:36,158 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:11:36,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:11:36,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:11:36,163 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:11:36,164 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:11:36,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:11:36,165 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:11:36,166 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:11:36,167 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:11:36,168 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:11:36,169 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:11:36,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:11:36,171 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:11:36,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:11:36,175 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:11:36,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:11:36,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:11:36,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:11:36,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:11:36,180 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:11:36,181 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:11:36,182 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:11:36,183 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:11:36,184 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:11:36,185 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:11:36,185 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:11:36,186 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 18:11:36,188 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 18:11:36,204 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:11:36,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:11:36,205 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:11:36,208 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:11:36,209 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:11:36,209 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:11:36,210 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:11:36,210 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:11:36,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:11:36,210 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:11:36,211 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:11:36,211 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:11:36,211 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:11:36,212 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:11:36,212 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:11:36,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:11:36,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:11:36,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:11:36,313 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:11:36,313 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:11:36,314 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl [2018-10-14 18:11:36,314 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl' [2018-10-14 18:11:36,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:11:36,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:11:36,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:11:36,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:11:36,400 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:11:36,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:11:36" (1/1) ... [2018-10-14 18:11:36,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:11:36" (1/1) ... [2018-10-14 18:11:36,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:11:36" (1/1) ... [2018-10-14 18:11:36,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:11:36" (1/1) ... [2018-10-14 18:11:36,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:11:36" (1/1) ... [2018-10-14 18:11:36,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:11:36" (1/1) ... [2018-10-14 18:11:36,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:11:36" (1/1) ... [2018-10-14 18:11:36,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:11:36,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:11:36,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:11:36,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:11:36,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:11:36" (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 18:11:36,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:11:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:11:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:11:37,111 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:11:37,111 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:11:37 BoogieIcfgContainer [2018-10-14 18:11:37,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:11:37,113 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:11:37,113 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:11:37,114 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:11:37,117 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:11:37" (1/1) ... [2018-10-14 18:11:37,125 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:11:37,125 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:11:37,161 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:11:37,210 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:11:37,232 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:11:37,309 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:11:40,297 INFO L315 AbstractInterpreter]: Visited 48 different actions 108 times. Merged at 29 different actions 58 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:11:40,300 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:11:40,305 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:11:40,338 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_6|) at (assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]];) [2018-10-14 18:11:40,341 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:11:40,346 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:11:40,347 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:11:40,347 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:11:40,347 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:11:40,347 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:11:40,348 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:11:40,348 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:11:40,348 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:11:40,348 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:11:40,348 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:11:40,349 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:11:40,349 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:11:40,349 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:11:40,349 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:11:40,351 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:11:40,372 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:11:40 BasicIcfg [2018-10-14 18:11:40,372 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:11:40,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:11:40,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:11:40,378 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:11:40,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:11:36" (1/3) ... [2018-10-14 18:11:40,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ce2beb and model type ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:11:40, skipping insertion in model container [2018-10-14 18:11:40,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:11:37" (2/3) ... [2018-10-14 18:11:40,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ce2beb and model type ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:11:40, skipping insertion in model container [2018-10-14 18:11:40,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:11:40" (3/3) ... [2018-10-14 18:11:40,383 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:11:40,394 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:11:40,403 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:11:40,422 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:11:40,449 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:11:40,450 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:11:40,450 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:11:40,450 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:11:40,450 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:11:40,450 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:11:40,451 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:11:40,451 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:11:40,451 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:11:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-10-14 18:11:40,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-14 18:11:40,477 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:11:40,478 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] [2018-10-14 18:11:40,479 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:11:40,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:11:40,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1696145940, now seen corresponding path program 1 times [2018-10-14 18:11:40,555 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:11:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:11:41,084 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 18:11:41,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:11:41,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-14 18:11:41,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 18:11:41,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 18:11:41,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-14 18:11:41,109 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 6 states. [2018-10-14 18:11:41,563 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-14 18:11:41,810 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-14 18:11:42,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:11:42,226 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-10-14 18:11:42,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 18:11:42,228 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-10-14 18:11:42,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:11:42,310 INFO L225 Difference]: With dead ends: 79 [2018-10-14 18:11:42,310 INFO L226 Difference]: Without dead ends: 78 [2018-10-14 18:11:42,312 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-14 18:11:42,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-10-14 18:11:42,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 59. [2018-10-14 18:11:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-10-14 18:11:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-10-14 18:11:42,354 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 32 [2018-10-14 18:11:42,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:11:42,354 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-10-14 18:11:42,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 18:11:42,355 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-10-14 18:11:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-14 18:11:42,359 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:11:42,359 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:11:42,359 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:11:42,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:11:42,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1716172605, now seen corresponding path program 1 times [2018-10-14 18:11:42,361 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:11:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:11:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:11:42,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:11:42,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-14 18:11:42,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-14 18:11:42,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-14 18:11:42,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-14 18:11:42,843 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 8 states. [2018-10-14 18:11:43,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:11:43,246 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-10-14 18:11:43,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-14 18:11:43,247 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-10-14 18:11:43,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:11:43,249 INFO L225 Difference]: With dead ends: 76 [2018-10-14 18:11:43,249 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:11:43,250 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-10-14 18:11:43,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:11:43,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:11:43,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:11:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:11:43,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-10-14 18:11:43,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:11:43,251 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:11:43,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-14 18:11:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:11:43,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:11:43,255 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:11:43 BasicIcfg [2018-10-14 18:11:43,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:11:43,256 INFO L168 Benchmark]: Toolchain (without parser) took 6858.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 811.1 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -809.5 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2018-10-14 18:11:43,258 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:11:43,258 INFO L168 Benchmark]: Boogie Preprocessor took 64.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:11:43,259 INFO L168 Benchmark]: RCFGBuilder took 648.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-14 18:11:43,260 INFO L168 Benchmark]: IcfgTransformer took 3259.62 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 51.9 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 269.3 MB). Peak memory consumption was 321.2 MB. Max. memory is 7.1 GB. [2018-10-14 18:11:43,261 INFO L168 Benchmark]: TraceAbstraction took 2882.32 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:11:43,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 648.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 3259.62 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 51.9 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 269.3 MB). Peak memory consumption was 321.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2882.32 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 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 : 46 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 856 LocStat_NO_SUPPORTING_DISEQUALITIES : 136 LocStat_NO_DISJUNCTIONS : -92 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 48 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 45 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 48 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 1752.72 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 108 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 48 different actions 108 times. Merged at 29 different actions 58 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 0 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int, ULTIMATE.start_write~int_old_#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: 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, 50 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 108 SDtfs, 137 SDslu, 368 SDs, 0 SdLazy, 114 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 10830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 11/11 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-11-43-284.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-11-43-284.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-11-43-284.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...