java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 22:35:04,799 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 22:35:04,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 22:35:04,813 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 22:35:04,813 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 22:35:04,814 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 22:35:04,816 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 22:35:04,817 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 22:35:04,820 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 22:35:04,821 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 22:35:04,822 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 22:35:04,822 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 22:35:04,823 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 22:35:04,824 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 22:35:04,825 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 22:35:04,826 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 22:35:04,827 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 22:35:04,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 22:35:04,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 22:35:04,833 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 22:35:04,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 22:35:04,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 22:35:04,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 22:35:04,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 22:35:04,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 22:35:04,841 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 22:35:04,842 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 22:35:04,843 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 22:35:04,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 22:35:04,848 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 22:35:04,848 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 22:35:04,849 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 22:35:04,849 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 22:35:04,849 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 22:35:04,851 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 22:35:04,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 22:35:04,853 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 22:35:04,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 22:35:04,870 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 22:35:04,871 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 22:35:04,871 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 22:35:04,871 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 22:35:04,872 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 22:35:04,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 22:35:04,873 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 22:35:04,873 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 22:35:04,873 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 22:35:04,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 22:35:04,874 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 22:35:04,874 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 22:35:04,875 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 22:35:04,876 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 22:35:04,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 22:35:04,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 22:35:04,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 22:35:04,970 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 22:35:04,971 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 22:35:04,972 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_6.bpl [2018-10-12 22:35:04,972 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_6.bpl' [2018-10-12 22:35:05,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 22:35:05,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 22:35:05,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 22:35:05,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 22:35:05,046 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 22:35:05,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:35:05" (1/1) ... [2018-10-12 22:35:05,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:35:05" (1/1) ... [2018-10-12 22:35:05,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:35:05" (1/1) ... [2018-10-12 22:35:05,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:35:05" (1/1) ... [2018-10-12 22:35:05,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:35:05" (1/1) ... [2018-10-12 22:35:05,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:35:05" (1/1) ... [2018-10-12 22:35:05,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:35:05" (1/1) ... [2018-10-12 22:35:05,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 22:35:05,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 22:35:05,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 22:35:05,093 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 22:35:05,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:35:05" (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 [2018-10-12 22:35:05,162 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 22:35:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 22:35:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 22:35:05,647 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 22:35:05,647 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:35:05 BoogieIcfgContainer [2018-10-12 22:35:05,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 22:35:05,648 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 22:35:05,648 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 22:35:05,649 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 22:35:05,654 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:35:05" (1/1) ... [2018-10-12 22:35:05,663 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 22:35:05,664 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 22:35:05,702 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 22:35:05,773 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 22:35:05,793 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 22:35:05,890 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 22:35:08,827 INFO L315 AbstractInterpreter]: Visited 49 different actions 100 times. Merged at 30 different actions 49 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 22:35:08,830 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 22:35:08,835 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 22:35:08,897 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 22:35:08,898 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:35:08,898 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:35:08,899 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 22:35:08,899 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 22:35:08,899 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:35:08,900 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-12 22:35:08,900 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-12 22:35:08,900 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:35:08,900 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:35:08,900 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 22:35:08,902 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 22:35:08,902 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:35:08,902 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-12 22:35:08,902 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-12 22:35:08,905 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 22:35:08,924 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:35:08 BasicIcfg [2018-10-12 22:35:08,925 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 22:35:08,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 22:35:08,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 22:35:08,932 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 22:35:08,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:35:05" (1/3) ... [2018-10-12 22:35:08,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b20b203 and model type ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:35:08, skipping insertion in model container [2018-10-12 22:35:08,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:35:05" (2/3) ... [2018-10-12 22:35:08,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b20b203 and model type ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:35:08, skipping insertion in model container [2018-10-12 22:35:08,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:35:08" (3/3) ... [2018-10-12 22:35:08,937 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 22:35:08,948 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 22:35:08,957 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 22:35:08,977 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 22:35:09,006 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 22:35:09,007 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 22:35:09,008 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 22:35:09,008 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 22:35:09,008 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 22:35:09,008 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 22:35:09,008 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 22:35:09,010 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 22:35:09,010 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 22:35:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-10-12 22:35:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-12 22:35:09,042 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:35:09,043 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] [2018-10-12 22:35:09,044 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:35:09,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:35:09,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1790829805, now seen corresponding path program 1 times [2018-10-12 22:35:09,126 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:35:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:35:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:35:09,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 22:35:09,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-12 22:35:09,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-12 22:35:09,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-12 22:35:09,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-12 22:35:09,347 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 3 states. [2018-10-12 22:35:09,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:35:09,589 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-10-12 22:35:09,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-12 22:35:09,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-10-12 22:35:09,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:35:09,605 INFO L225 Difference]: With dead ends: 74 [2018-10-12 22:35:09,605 INFO L226 Difference]: Without dead ends: 74 [2018-10-12 22:35:09,608 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-12 22:35:09,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-12 22:35:09,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 50. [2018-10-12 22:35:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-10-12 22:35:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-10-12 22:35:09,714 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 23 [2018-10-12 22:35:09,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:35:09,714 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-10-12 22:35:09,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-12 22:35:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-10-12 22:35:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-12 22:35:09,716 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:35:09,717 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] [2018-10-12 22:35:09,719 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:35:09,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:35:09,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1151939966, now seen corresponding path program 1 times [2018-10-12 22:35:09,722 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:35:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:35:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:35:09,972 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:35:09,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-12 22:35:09,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-12 22:35:09,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-12 22:35:09,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-12 22:35:09,975 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 5 states. [2018-10-12 22:35:10,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:35:10,340 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-10-12 22:35:10,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 22:35:10,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-10-12 22:35:10,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:35:10,344 INFO L225 Difference]: With dead ends: 100 [2018-10-12 22:35:10,344 INFO L226 Difference]: Without dead ends: 100 [2018-10-12 22:35:10,345 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-12 22:35:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-12 22:35:10,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 76. [2018-10-12 22:35:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-10-12 22:35:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-10-12 22:35:10,361 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 49 [2018-10-12 22:35:10,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:35:10,362 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-10-12 22:35:10,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-12 22:35:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-10-12 22:35:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-12 22:35:10,364 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:35:10,365 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-12 22:35:10,366 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:35:10,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:35:10,366 INFO L82 PathProgramCache]: Analyzing trace with hash 184222415, now seen corresponding path program 2 times [2018-10-12 22:35:10,368 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:35:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:35:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-12 22:35:10,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 22:35:10,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-12 22:35:10,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-12 22:35:10,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-12 22:35:10,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-12 22:35:10,544 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 5 states. [2018-10-12 22:35:10,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:35:10,676 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-10-12 22:35:10,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-12 22:35:10,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-10-12 22:35:10,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:35:10,678 INFO L225 Difference]: With dead ends: 74 [2018-10-12 22:35:10,678 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 22:35:10,678 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-12 22:35:10,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 22:35:10,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 22:35:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 22:35:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 22:35:10,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2018-10-12 22:35:10,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:35:10,680 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 22:35:10,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-12 22:35:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 22:35:10,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 22:35:10,684 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:35:10 BasicIcfg [2018-10-12 22:35:10,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 22:35:10,685 INFO L168 Benchmark]: Toolchain (without parser) took 5640.89 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 827.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -820.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2018-10-12 22:35:10,686 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-10-12 22:35:10,687 INFO L168 Benchmark]: Boogie Preprocessor took 46.40 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. [2018-10-12 22:35:10,687 INFO L168 Benchmark]: RCFGBuilder took 555.41 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. [2018-10-12 22:35:10,688 INFO L168 Benchmark]: IcfgTransformer took 3277.30 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 78.1 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 262.5 MB). Peak memory consumption was 340.6 MB. Max. memory is 7.1 GB. [2018-10-12 22:35:10,689 INFO L168 Benchmark]: TraceAbstraction took 1757.76 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 22:35:10,694 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 0.21 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 46.40 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 555.41 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 3277.30 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 78.1 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 262.5 MB). Peak memory consumption was 340.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1757.76 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 47 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 851 LocStat_NO_SUPPORTING_DISEQUALITIES : 144 LocStat_NO_DISJUNCTIONS : -94 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 49 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 47 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 49 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 1867.97 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 100 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 49 different actions 100 times. Merged at 30 different actions 49 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 : 2 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 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: 109]: 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, 51 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 124 SDtfs, 113 SDslu, 191 SDs, 0 SdLazy, 80 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred 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, 48 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 29252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 28/29 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_6.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_22-35-10-711.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_6.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_22-35-10-711.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_6.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_22-35-10-711.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...