java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:05:55,861 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:05:55,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:05:55,876 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:05:55,876 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:05:55,878 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:05:55,879 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:05:55,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:05:55,882 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:05:55,883 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:05:55,884 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:05:55,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:05:55,885 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:05:55,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:05:55,888 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:05:55,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:05:55,889 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:05:55,891 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:05:55,894 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:05:55,895 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:05:55,899 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:05:55,901 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:05:55,908 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:05:55,909 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:05:55,909 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:05:55,910 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:05:55,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:05:55,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:05:55,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:05:55,920 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:05:55,921 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:05:55,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 18:05:55,922 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 18:05:55,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 18:05:55,926 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 18:05:55,927 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 18:05:55,928 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 18:05:55,948 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:05:55,949 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:05:55,950 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:05:55,950 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:05:55,950 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:05:55,950 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:05:55,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:05:55,952 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:05:55,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:05:55,953 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:05:55,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:05:55,953 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:05:55,953 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:05:55,955 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:05:55,955 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:05:56,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:05:56,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:05:56,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:05:56,058 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:05:56,058 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:05:56,059 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl [2018-10-14 18:05:56,060 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl' [2018-10-14 18:05:56,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:05:56,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:05:56,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:05:56,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:05:56,128 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:05:56,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:56" (1/1) ... [2018-10-14 18:05:56,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:56" (1/1) ... [2018-10-14 18:05:56,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:56" (1/1) ... [2018-10-14 18:05:56,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:56" (1/1) ... [2018-10-14 18:05:56,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:56" (1/1) ... [2018-10-14 18:05:56,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:56" (1/1) ... [2018-10-14 18:05:56,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:56" (1/1) ... [2018-10-14 18:05:56,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:05:56,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:05:56,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:05:56,207 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:05:56,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 18:05:56,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:05:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:05:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:05:56,948 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:05:56,949 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:05:56 BoogieIcfgContainer [2018-10-14 18:05:56,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:05:56,950 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:05:56,950 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:05:56,951 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:05:56,955 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:05:56" (1/1) ... [2018-10-14 18:05:56,963 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:05:56,963 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:05:57,003 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:05:57,053 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:05:57,070 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:05:57,145 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:06:12,450 INFO L315 AbstractInterpreter]: Visited 78 different actions 198 times. Merged at 59 different actions 118 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:06:12,452 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:06:12,458 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:06:12,508 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_6|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-14 18:06:12,511 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:06:12,512 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:06:12,512 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:06:12,513 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:06:12,513 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:06:12,513 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:06:12,513 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:06:12,514 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:06:12,514 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:06:12,514 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:06:12,514 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:06:12,514 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:06:12,515 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:06:12,515 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:06:12,515 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:06:12,517 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:06:12,546 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:06:12 BasicIcfg [2018-10-14 18:06:12,547 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:06:12,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:06:12,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:06:12,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:06:12,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:05:56" (1/3) ... [2018-10-14 18:06:12,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6b6a1b and model type ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:06:12, skipping insertion in model container [2018-10-14 18:06:12,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:05:56" (2/3) ... [2018-10-14 18:06:12,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6b6a1b and model type ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:06:12, skipping insertion in model container [2018-10-14 18:06:12,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:06:12" (3/3) ... [2018-10-14 18:06:12,558 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:06:12,569 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:06:12,579 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:06:12,599 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:06:12,627 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:06:12,629 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:06:12,629 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:06:12,629 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:06:12,629 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:06:12,630 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:06:12,631 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:06:12,631 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:06:12,631 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:06:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-10-14 18:06:12,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-14 18:06:12,672 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:06:12,674 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:06:12,675 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:06:12,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:06:12,683 INFO L82 PathProgramCache]: Analyzing trace with hash -791727577, now seen corresponding path program 1 times [2018-10-14 18:06:12,755 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:06:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:06:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:06:13,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:06:13,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-14 18:06:13,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 18:06:13,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 18:06:13,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-14 18:06:13,431 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2018-10-14 18:06:13,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:06:13,846 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-10-14 18:06:13,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 18:06:13,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-10-14 18:06:13,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:06:13,862 INFO L225 Difference]: With dead ends: 134 [2018-10-14 18:06:13,862 INFO L226 Difference]: Without dead ends: 134 [2018-10-14 18:06:13,864 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-14 18:06:13,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-10-14 18:06:13,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 96. [2018-10-14 18:06:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-14 18:06:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-14 18:06:13,908 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 41 [2018-10-14 18:06:13,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:06:13,909 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-10-14 18:06:13,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 18:06:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-14 18:06:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-14 18:06:13,912 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:06:13,913 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:06:13,913 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:06:13,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:06:13,913 INFO L82 PathProgramCache]: Analyzing trace with hash -989008059, now seen corresponding path program 1 times [2018-10-14 18:06:13,914 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:06:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:06:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-14 18:06:15,471 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:06:15,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-10-14 18:06:15,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-14 18:06:15,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-14 18:06:15,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-10-14 18:06:15,474 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 19 states. [2018-10-14 18:06:16,827 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-14 18:06:17,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:06:17,322 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-10-14 18:06:17,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-14 18:06:17,322 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 95 [2018-10-14 18:06:17,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:06:17,324 INFO L225 Difference]: With dead ends: 94 [2018-10-14 18:06:17,325 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:06:17,326 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=276, Invalid=1130, Unknown=0, NotChecked=0, Total=1406 [2018-10-14 18:06:17,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:06:17,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:06:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:06:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:06:17,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2018-10-14 18:06:17,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:06:17,328 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:06:17,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-14 18:06:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:06:17,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:06:17,332 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:06:17 BasicIcfg [2018-10-14 18:06:17,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:06:17,333 INFO L168 Benchmark]: Toolchain (without parser) took 21207.54 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -974.6 MB). Peak memory consumption was 208.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:06:17,335 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 18:06:17,335 INFO L168 Benchmark]: Boogie Preprocessor took 74.86 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 18:06:17,336 INFO L168 Benchmark]: RCFGBuilder took 742.97 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:06:17,337 INFO L168 Benchmark]: IcfgTransformer took 15597.54 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 679.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 322.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-14 18:06:17,338 INFO L168 Benchmark]: TraceAbstraction took 4784.35 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 504.4 MB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:06:17,342 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.86 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 742.97 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * IcfgTransformer took 15597.54 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 679.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 322.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 4784.35 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 504.4 MB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 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 : 76 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1885 LocStat_NO_SUPPORTING_DISEQUALITIES : 299 LocStat_NO_DISJUNCTIONS : -152 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 78 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 73 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 78 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 5767.46 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 200 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 78 different actions 198 times. Merged at 59 different actions 118 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: 151]: 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, 78 locations, 1 error locations. SAFE Result, 4.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 133 SDtfs, 591 SDslu, 608 SDs, 0 SdLazy, 312 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 38 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 96326 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/20 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-06-17-360.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-06-17-360.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-06-17-360.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...