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/array01-alloca_true-valid-memsafety_true-termination.i_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:15:26,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:15:26,038 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:15:26,049 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:15:26,050 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:15:26,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:15:26,052 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:15:26,054 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:15:26,056 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:15:26,057 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:15:26,058 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:15:26,058 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:15:26,059 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:15:26,060 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:15:26,061 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:15:26,062 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:15:26,063 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:15:26,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:15:26,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:15:26,071 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:15:26,072 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:15:26,077 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:15:26,082 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:15:26,082 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:15:26,082 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:15:26,083 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:15:26,084 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:15:26,085 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:15:26,087 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:15:26,088 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:15:26,088 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:15:26,090 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 18:15:26,090 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 18:15:26,090 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 18:15:26,091 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 18:15:26,094 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 18:15:26,094 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 18:15:26,103 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:15:26,103 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:15:26,104 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:15:26,104 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:15:26,104 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:15:26,105 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:15:26,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:15:26,106 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:15:26,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:15:26,106 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:15:26,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:15:26,107 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:15:26,107 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:15:26,108 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:15:26,108 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:15:26,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:15:26,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:15:26,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:15:26,178 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:15:26,178 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:15:26,179 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/array01-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-14 18:15:26,179 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/array01-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-14 18:15:26,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:15:26,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:15:26,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:15:26,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:15:26,280 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:15:26,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:15:26" (1/1) ... [2018-10-14 18:15:26,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:15:26" (1/1) ... [2018-10-14 18:15:26,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:15:26" (1/1) ... [2018-10-14 18:15:26,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:15:26" (1/1) ... [2018-10-14 18:15:26,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:15:26" (1/1) ... [2018-10-14 18:15:26,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:15:26" (1/1) ... [2018-10-14 18:15:26,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:15:26" (1/1) ... [2018-10-14 18:15:26,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:15:26,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:15:26,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:15:26,333 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:15:26,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:15:26" (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 18:15:26,410 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:15:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:15:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:15:27,058 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:15:27,059 INFO L202 PluginConnector]: Adding new model array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:15:27 BoogieIcfgContainer [2018-10-14 18:15:27,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:15:27,060 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:15:27,060 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:15:27,061 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:15:27,066 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:15:27" (1/1) ... [2018-10-14 18:15:27,075 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:15:27,076 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:15:27,112 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:15:27,158 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:15:27,174 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:15:27,254 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:15:28,826 INFO L315 AbstractInterpreter]: Visited 60 different actions 92 times. Merged at 30 different actions 31 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:15:28,829 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:15:28,836 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:15:28,854 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:15:28,855 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:15:28,855 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:15:28,856 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:15:28,857 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:15:28,857 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:15:28,857 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:15:28,858 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:15:28,858 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:15:28,858 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:15:28,858 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:15:28,858 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:15:28,859 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:15:28,859 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:15:28,859 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:15:28,861 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:15:28,886 INFO L202 PluginConnector]: Adding new model array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:15:28 BasicIcfg [2018-10-14 18:15:28,888 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:15:28,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:15:28,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:15:28,892 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:15:28,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:15:26" (1/3) ... [2018-10-14 18:15:28,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1da01 and model type array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:15:28, skipping insertion in model container [2018-10-14 18:15:28,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:15:27" (2/3) ... [2018-10-14 18:15:28,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1da01 and model type array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:15:28, skipping insertion in model container [2018-10-14 18:15:28,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:15:28" (3/3) ... [2018-10-14 18:15:28,897 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:15:28,907 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:15:28,916 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:15:28,934 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:15:28,960 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:15:28,961 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:15:28,961 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:15:28,961 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:15:28,961 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:15:28,962 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:15:28,962 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:15:28,963 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:15:28,964 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:15:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-10-14 18:15:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-14 18:15:28,988 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:15:28,990 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, 1, 1, 1, 1, 1] [2018-10-14 18:15:28,991 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:15:28,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:15:28,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1540658166, now seen corresponding path program 1 times [2018-10-14 18:15:29,055 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:15:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:15:29,957 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-14 18:15:30,132 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 18:15:30,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:15:30,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-14 18:15:30,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-14 18:15:30,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-14 18:15:30,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-10-14 18:15:30,156 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 12 states. [2018-10-14 18:15:30,757 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-14 18:15:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:15:30,968 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-10-14 18:15:30,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-14 18:15:31,042 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2018-10-14 18:15:31,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:15:31,060 INFO L225 Difference]: With dead ends: 85 [2018-10-14 18:15:31,060 INFO L226 Difference]: Without dead ends: 71 [2018-10-14 18:15:31,062 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2018-10-14 18:15:31,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-10-14 18:15:31,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2018-10-14 18:15:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-10-14 18:15:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-10-14 18:15:31,101 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 53 [2018-10-14 18:15:31,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:15:31,102 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-10-14 18:15:31,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-14 18:15:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-10-14 18:15:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-14 18:15:31,104 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:15:31,104 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-14 18:15:31,105 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:15:31,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:15:31,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1744894483, now seen corresponding path program 1 times [2018-10-14 18:15:31,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:15:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:15:31,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:15:31,737 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:15:31,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-14 18:15:31,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-14 18:15:31,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-14 18:15:31,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-10-14 18:15:31,741 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 14 states. [2018-10-14 18:15:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:15:32,460 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-10-14 18:15:32,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-14 18:15:32,463 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 67 [2018-10-14 18:15:32,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:15:32,466 INFO L225 Difference]: With dead ends: 99 [2018-10-14 18:15:32,466 INFO L226 Difference]: Without dead ends: 85 [2018-10-14 18:15:32,467 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2018-10-14 18:15:32,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-10-14 18:15:32,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2018-10-14 18:15:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-10-14 18:15:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-10-14 18:15:32,475 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 67 [2018-10-14 18:15:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:15:32,476 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-10-14 18:15:32,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-14 18:15:32,476 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-10-14 18:15:32,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-14 18:15:32,478 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:15:32,479 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-14 18:15:32,479 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:15:32,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:15:32,479 INFO L82 PathProgramCache]: Analyzing trace with hash -817677404, now seen corresponding path program 2 times [2018-10-14 18:15:32,480 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:15:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:15:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:15:32,911 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:15:32,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-10-14 18:15:32,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-14 18:15:32,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-14 18:15:32,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-10-14 18:15:32,913 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 16 states. [2018-10-14 18:15:33,836 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-10-14 18:15:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:15:34,007 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-10-14 18:15:34,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-14 18:15:34,007 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 81 [2018-10-14 18:15:34,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:15:34,008 INFO L225 Difference]: With dead ends: 83 [2018-10-14 18:15:34,009 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:15:34,010 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2018-10-14 18:15:34,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:15:34,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:15:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:15:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:15:34,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2018-10-14 18:15:34,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:15:34,012 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:15:34,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-14 18:15:34,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:15:34,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:15:34,017 INFO L202 PluginConnector]: Adding new model array01-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:15:34 BasicIcfg [2018-10-14 18:15:34,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:15:34,018 INFO L168 Benchmark]: Toolchain (without parser) took 7741.00 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 660.6 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -451.4 MB). Peak memory consumption was 209.2 MB. Max. memory is 7.1 GB. [2018-10-14 18:15:34,019 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:15:34,020 INFO L168 Benchmark]: Boogie Preprocessor took 52.54 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:15:34,020 INFO L168 Benchmark]: RCFGBuilder took 727.51 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-14 18:15:34,021 INFO L168 Benchmark]: IcfgTransformer took 1827.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:15:34,022 INFO L168 Benchmark]: TraceAbstraction took 5128.18 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 660.6 MB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -800.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:15:34,026 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.54 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 727.51 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 1827.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5128.18 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 660.6 MB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -800.2 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 : 58 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 1272 LocStat_NO_SUPPORTING_DISEQUALITIES : 84 LocStat_NO_DISJUNCTIONS : -116 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 60 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 56 TransStat_NO_SUPPORTING_DISEQUALITIES : 1 TransStat_NO_DISJUNCTIONS : 60 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 1189.56 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 94 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 60 different actions 92 times. Merged at 30 different actions 31 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] : 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 : 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: 120]: 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, 60 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 134 SDtfs, 1122 SDslu, 595 SDs, 0 SdLazy, 408 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=2, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 103408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 5/44 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/array01-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-15-34-042.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array01-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-15-34-042.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array01-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-15-34-042.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...