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/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:26:51,681 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:26:51,683 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:26:51,695 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:26:51,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:26:51,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:26:51,698 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:26:51,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:26:51,701 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:26:51,702 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:26:51,703 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:26:51,703 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:26:51,704 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:26:51,705 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:26:51,706 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:26:51,707 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:26:51,711 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:26:51,714 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:26:51,716 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:26:51,717 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:26:51,721 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:26:51,727 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:26:51,729 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:26:51,729 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:26:51,730 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:26:51,730 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:26:51,731 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:26:51,732 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:26:51,733 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:26:51,734 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:26:51,734 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:26:51,734 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:26:51,735 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:26:51,735 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:26:51,736 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:26:51,736 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:26:51,737 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 16:26:51,746 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:26:51,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:26:51,747 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:26:51,748 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:26:51,748 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:26:51,748 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:26:51,749 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:26:51,749 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:26:51,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:26:51,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:26:51,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:26:51,750 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:26:51,750 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:26:51,751 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:26:51,751 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:26:51,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:26:51,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:26:51,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:26:51,826 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:26:51,826 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:26:51,827 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl [2018-10-10 16:26:51,828 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl' [2018-10-10 16:26:51,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:26:51,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:26:51,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:26:51,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:26:51,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:26:51,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:26:51" (1/1) ... [2018-10-10 16:26:51,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:26:51" (1/1) ... [2018-10-10 16:26:51,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:26:51" (1/1) ... [2018-10-10 16:26:51,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:26:51" (1/1) ... [2018-10-10 16:26:51,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:26:51" (1/1) ... [2018-10-10 16:26:51,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:26:51" (1/1) ... [2018-10-10 16:26:51,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:26:51" (1/1) ... [2018-10-10 16:26:51,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:26:51,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:26:51,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:26:51,987 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:26:51,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:26:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 16:26:52,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:26:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:26:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:26:52,598 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:26:52,598 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:26:52 BoogieIcfgContainer [2018-10-10 16:26:52,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:26:52,599 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:26:52,599 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:26:52,600 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:26:52,604 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:26:52" (1/1) ... [2018-10-10 16:26:52,613 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:26:52,613 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:26:52,648 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:26:52,708 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:26:52,722 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:26:52,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:26:55,263 INFO L315 AbstractInterpreter]: Visited 59 different actions 81 times. Merged at 21 different actions 21 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:26:55,267 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:26:55,273 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:26:55,286 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:26:55,287 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:26:55,287 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:26:55,288 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:26:55,288 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:26:55,288 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:26:55,288 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:26:55,288 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:26:55,289 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:26:55,289 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:26:55,289 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:26:55,289 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:26:55,290 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:26:55,290 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:26:55,290 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:26:55,293 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:26:55,315 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:26:55 BasicIcfg [2018-10-10 16:26:55,316 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:26:55,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:26:55,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:26:55,321 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:26:55,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:26:51" (1/3) ... [2018-10-10 16:26:55,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69903a35 and model type ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:26:55, skipping insertion in model container [2018-10-10 16:26:55,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:26:52" (2/3) ... [2018-10-10 16:26:55,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69903a35 and model type ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:26:55, skipping insertion in model container [2018-10-10 16:26:55,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:26:55" (3/3) ... [2018-10-10 16:26:55,326 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:26:55,336 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:26:55,345 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:26:55,363 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:26:55,392 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:26:55,393 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:26:55,393 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:26:55,394 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:26:55,395 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:26:55,395 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:26:55,395 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:26:55,397 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:26:55,397 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:26:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-10-10 16:26:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-10 16:26:55,420 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:26:55,421 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] [2018-10-10 16:26:55,422 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:26:55,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:26:55,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1835790619, now seen corresponding path program 1 times [2018-10-10 16:26:55,490 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:26:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:26:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:26:55,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:26:55,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 16:26:55,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 16:26:55,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 16:26:55,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-10 16:26:55,889 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 6 states. [2018-10-10 16:26:56,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:26:56,450 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-10-10 16:26:56,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 16:26:56,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-10-10 16:26:56,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:26:56,464 INFO L225 Difference]: With dead ends: 73 [2018-10-10 16:26:56,465 INFO L226 Difference]: Without dead ends: 73 [2018-10-10 16:26:56,531 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-10 16:26:56,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-10 16:26:56,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 60. [2018-10-10 16:26:56,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-10-10 16:26:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-10-10 16:26:56,580 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 44 [2018-10-10 16:26:56,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:26:56,581 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-10-10 16:26:56,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 16:26:56,581 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-10-10 16:26:56,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-10 16:26:56,583 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:26:56,583 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, 1, 1, 1, 1, 1, 1] [2018-10-10 16:26:56,584 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:26:56,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:26:56,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1367787837, now seen corresponding path program 1 times [2018-10-10 16:26:56,585 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:26:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:26:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:26:57,035 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:26:57,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-10 16:26:57,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 16:26:57,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 16:26:57,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-10 16:26:57,038 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 8 states. [2018-10-10 16:26:57,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:26:57,382 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-10-10 16:26:57,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 16:26:57,384 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-10-10 16:26:57,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:26:57,387 INFO L225 Difference]: With dead ends: 75 [2018-10-10 16:26:57,387 INFO L226 Difference]: Without dead ends: 75 [2018-10-10 16:26:57,388 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2018-10-10 16:26:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-10-10 16:26:57,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-10-10 16:26:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-10-10 16:26:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-10-10 16:26:57,396 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 59 [2018-10-10 16:26:57,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:26:57,397 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-10-10 16:26:57,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 16:26:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-10-10 16:26:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-10 16:26:57,399 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:26:57,399 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-10 16:26:57,400 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:26:57,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:26:57,400 INFO L82 PathProgramCache]: Analyzing trace with hash -363664357, now seen corresponding path program 2 times [2018-10-10 16:26:57,401 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:26:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:26:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-10 16:26:57,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:26:57,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 16:26:57,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 16:26:57,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 16:26:57,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-10 16:26:57,964 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 7 states. [2018-10-10 16:26:58,384 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-10 16:26:58,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:26:58,385 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-10-10 16:26:58,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-10 16:26:58,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2018-10-10 16:26:58,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:26:58,387 INFO L225 Difference]: With dead ends: 73 [2018-10-10 16:26:58,390 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:26:58,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-10-10 16:26:58,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:26:58,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:26:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:26:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:26:58,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2018-10-10 16:26:58,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:26:58,393 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:26:58,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 16:26:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:26:58,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:26:58,400 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:26:58 BasicIcfg [2018-10-10 16:26:58,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:26:58,401 INFO L168 Benchmark]: Toolchain (without parser) took 6492.41 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 810.5 MB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -769.1 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2018-10-10 16:26:58,405 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. [2018-10-10 16:26:58,406 INFO L168 Benchmark]: Boogie Preprocessor took 75.16 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. [2018-10-10 16:26:58,406 INFO L168 Benchmark]: RCFGBuilder took 611.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-10 16:26:58,410 INFO L168 Benchmark]: IcfgTransformer took 2717.36 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 52.4 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 51.7 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. [2018-10-10 16:26:58,411 INFO L168 Benchmark]: TraceAbstraction took 3082.82 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:26:58,419 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 75.16 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 611.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 2717.36 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 52.4 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 51.7 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3082.82 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 57 LocStat_MAX_WEQGRAPH_SIZE : 3 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1011 LocStat_NO_SUPPORTING_DISEQUALITIES : 340 LocStat_NO_DISJUNCTIONS : -114 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 59 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 52 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 59 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 1478.55 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 81 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 59 different actions 81 times. Merged at 21 different actions 21 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, 61 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 SDtfs, 369 SDslu, 284 SDs, 0 SdLazy, 136 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 36363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 17/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-26-58-450.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-26-58-450.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_7.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-26-58-450.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...