java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:21:50,161 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:21:50,163 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:21:50,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:21:50,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:21:50,179 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:21:50,181 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:21:50,184 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:21:50,186 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:21:50,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:21:50,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:21:50,188 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:21:50,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:21:50,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:21:50,191 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:21:50,191 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:21:50,192 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:21:50,194 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:21:50,196 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:21:50,198 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:21:50,199 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:21:50,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:21:50,206 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:21:50,207 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:21:50,207 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:21:50,208 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:21:50,209 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:21:50,210 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:21:50,211 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:21:50,212 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:21:50,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:21:50,213 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 16:21:50,215 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 16:21:50,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:21:50,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:21:50,225 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:21:50,226 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:21:50,226 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:21:50,226 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:21:50,227 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:21:50,227 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:21:50,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:21:50,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:21:50,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:21:50,228 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:21:50,228 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:21:50,229 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:21:50,229 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:21:50,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:21:50,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:21:50,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:21:50,299 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:21:50,300 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:21:50,301 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl [2018-10-10 16:21:50,301 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl' [2018-10-10 16:21:50,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:21:50,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:21:50,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:21:50,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:21:50,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:21:50,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:50" (1/1) ... [2018-10-10 16:21:50,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:50" (1/1) ... [2018-10-10 16:21:50,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:50" (1/1) ... [2018-10-10 16:21:50,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:50" (1/1) ... [2018-10-10 16:21:50,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:50" (1/1) ... [2018-10-10 16:21:50,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:50" (1/1) ... [2018-10-10 16:21:50,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:50" (1/1) ... [2018-10-10 16:21:50,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:21:50,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:21:50,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:21:50,433 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:21:50,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:50" (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 16:21:50,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:21:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:21:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:21:51,087 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:21:51,087 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:21:51 BoogieIcfgContainer [2018-10-10 16:21:51,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:21:51,088 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:21:51,088 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:21:51,089 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:21:51,093 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:21:51" (1/1) ... [2018-10-10 16:21:51,101 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:21:51,101 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:21:51,138 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:21:51,179 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:21:51,194 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:21:51,261 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:21:57,399 INFO L315 AbstractInterpreter]: Visited 59 different actions 117 times. Merged at 28 different actions 56 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:21:57,402 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:21:57,407 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:21:57,461 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_7|) 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 16:21:57,464 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:21:57,465 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:21:57,465 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:21:57,465 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:21:57,469 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:57,469 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:21:57,469 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:21:57,469 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:21:57,469 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:21:57,470 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:21:57,470 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:21:57,470 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:21:57,470 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:21:57,470 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:21:57,471 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:21:57,472 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:21:57,492 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:21:57 BasicIcfg [2018-10-10 16:21:57,493 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:21:57,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:21:57,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:21:57,497 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:21:57,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:21:50" (1/3) ... [2018-10-10 16:21:57,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9e3804 and model type ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:21:57, skipping insertion in model container [2018-10-10 16:21:57,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:21:51" (2/3) ... [2018-10-10 16:21:57,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9e3804 and model type ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:21:57, skipping insertion in model container [2018-10-10 16:21:57,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:21:57" (3/3) ... [2018-10-10 16:21:57,501 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:21:57,512 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:21:57,520 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:21:57,539 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:21:57,565 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:21:57,566 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:21:57,566 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:21:57,567 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:21:57,567 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:21:57,567 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:21:57,567 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:21:57,567 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:21:57,568 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:21:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-10 16:21:57,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-10 16:21:57,590 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:21:57,591 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:21:57,592 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:21:57,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:21:57,598 INFO L82 PathProgramCache]: Analyzing trace with hash 421859866, now seen corresponding path program 1 times [2018-10-10 16:21:57,666 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:21:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:21:58,918 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-10 16:21:59,553 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 16:21:59,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:21:59,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-10 16:21:59,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 16:21:59,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 16:21:59,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-10 16:21:59,575 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 12 states. [2018-10-10 16:22:00,612 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-10 16:22:00,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:00,655 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-10-10 16:22:00,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-10 16:22:00,657 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2018-10-10 16:22:00,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:00,668 INFO L225 Difference]: With dead ends: 99 [2018-10-10 16:22:00,668 INFO L226 Difference]: Without dead ends: 99 [2018-10-10 16:22:00,670 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2018-10-10 16:22:00,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-10 16:22:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 75. [2018-10-10 16:22:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-10-10 16:22:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-10-10 16:22:00,712 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 48 [2018-10-10 16:22:00,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:00,713 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-10-10 16:22:00,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 16:22:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-10-10 16:22:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-10 16:22:00,716 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:22:00,716 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-10 16:22:00,717 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:22:00,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:22:00,717 INFO L82 PathProgramCache]: Analyzing trace with hash -425128021, now seen corresponding path program 1 times [2018-10-10 16:22:00,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:22:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:22:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:22:00,890 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:22:00,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-10 16:22:00,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 16:22:00,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 16:22:00,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 16:22:00,893 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 8 states. [2018-10-10 16:22:01,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:01,214 INFO L93 Difference]: Finished difference Result 66 states and 65 transitions. [2018-10-10 16:22:01,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 16:22:01,215 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 74 [2018-10-10 16:22:01,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:01,216 INFO L225 Difference]: With dead ends: 66 [2018-10-10 16:22:01,216 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:22:01,217 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-10-10 16:22:01,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:22:01,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:22:01,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:22:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:22:01,218 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2018-10-10 16:22:01,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:01,218 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:22:01,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 16:22:01,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:22:01,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:22:01,223 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:22:01 BasicIcfg [2018-10-10 16:22:01,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:22:01,224 INFO L168 Benchmark]: Toolchain (without parser) took 10866.87 ms. Allocated memory was 1.6 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -993.8 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:01,225 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:22:01,226 INFO L168 Benchmark]: Boogie Preprocessor took 73.44 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:22:01,226 INFO L168 Benchmark]: RCFGBuilder took 654.93 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:01,227 INFO L168 Benchmark]: IcfgTransformer took 6404.61 ms. Allocated memory was 1.6 GB in the beginning and 2.0 GB in the end (delta: 440.9 MB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -291.9 MB). Peak memory consumption was 149.0 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:01,228 INFO L168 Benchmark]: TraceAbstraction took 3729.30 ms. Allocated memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: 605.0 MB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -741.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:22:01,233 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 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.44 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 654.93 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 6404.61 ms. Allocated memory was 1.6 GB in the beginning and 2.0 GB in the end (delta: 440.9 MB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -291.9 MB). Peak memory consumption was 149.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3729.30 ms. Allocated memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: 605.0 MB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -741.8 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 : 57 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1090 LocStat_NO_SUPPORTING_DISEQUALITIES : 367 LocStat_NO_DISJUNCTIONS : -114 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 59 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 53 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 59 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 3239.84 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 119 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 59 different actions 117 times. Merged at 28 different actions 56 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: 117]: 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, 59 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 292 SDslu, 460 SDs, 0 SdLazy, 198 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 31985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 7/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-22-01-249.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-22-01-249.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-22-01-249.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...