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-write.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 22:36:48,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 22:36:48,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 22:36:48,627 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 22:36:48,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 22:36:48,629 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 22:36:48,631 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 22:36:48,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 22:36:48,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 22:36:48,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 22:36:48,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 22:36:48,645 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 22:36:48,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 22:36:48,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 22:36:48,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 22:36:48,651 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 22:36:48,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 22:36:48,655 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 22:36:48,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 22:36:48,660 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 22:36:48,663 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 22:36:48,664 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 22:36:48,666 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-12 22:36:48,679 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 22:36:48,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 22:36:48,694 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 22:36:48,695 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 22:36:48,695 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 22:36:48,695 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 22:36:48,696 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 22:36:48,696 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 22:36:48,697 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 22:36:48,697 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 22:36:48,697 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 22:36:48,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 22:36:48,698 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 22:36:48,698 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 22:36:48,699 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 22:36:48,699 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 22:36:48,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 22:36:48,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 22:36:48,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 22:36:48,792 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 22:36:48,793 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 22:36:48,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl [2018-10-12 22:36:48,794 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl' [2018-10-12 22:36:48,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 22:36:48,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 22:36:48,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 22:36:48,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 22:36:48,863 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 22:36:48,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:36:48" (1/1) ... [2018-10-12 22:36:48,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:36:48" (1/1) ... [2018-10-12 22:36:48,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:36:48" (1/1) ... [2018-10-12 22:36:48,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:36:48" (1/1) ... [2018-10-12 22:36:48,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:36:48" (1/1) ... [2018-10-12 22:36:48,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:36:48" (1/1) ... [2018-10-12 22:36:48,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:36:48" (1/1) ... [2018-10-12 22:36:48,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 22:36:48,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 22:36:48,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 22:36:48,918 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 22:36:48,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:36:48" (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 22:36:48,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 22:36:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 22:36:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 22:36:49,535 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 22:36:49,536 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:36:49 BoogieIcfgContainer [2018-10-12 22:36:49,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 22:36:49,536 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 22:36:49,537 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 22:36:49,538 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 22:36:49,541 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:36:49" (1/1) ... [2018-10-12 22:36:49,549 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 22:36:49,550 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 22:36:49,581 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 22:36:49,627 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 22:36:49,648 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 22:36:49,716 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 22:36:54,779 INFO L315 AbstractInterpreter]: Visited 62 different actions 105 times. Merged at 24 different actions 41 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 22:36:54,783 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 22:36:54,789 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 22:36:54,811 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 22:36:54,812 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:36:54,812 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:36:54,812 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:36:54,813 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:36:54,815 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:36:54,816 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:36:54,816 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:36:54,816 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:36:54,816 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:36:54,816 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:36:54,817 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:36:54,817 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:36:54,817 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:36:54,817 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:36:54,819 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 22:36:54,843 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:36:54 BasicIcfg [2018-10-12 22:36:54,844 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 22:36:54,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 22:36:54,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 22:36:54,851 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 22:36:54,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:36:48" (1/3) ... [2018-10-12 22:36:54,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e32938e and model type ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:36:54, skipping insertion in model container [2018-10-12 22:36:54,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:36:49" (2/3) ... [2018-10-12 22:36:54,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e32938e and model type ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:36:54, skipping insertion in model container [2018-10-12 22:36:54,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:36:54" (3/3) ... [2018-10-12 22:36:54,856 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 22:36:54,866 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 22:36:54,874 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 22:36:54,892 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 22:36:54,919 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 22:36:54,920 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 22:36:54,920 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 22:36:54,920 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 22:36:54,920 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 22:36:54,920 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 22:36:54,921 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 22:36:54,922 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 22:36:54,922 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 22:36:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-10-12 22:36:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-12 22:36:54,953 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:36:54,954 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] [2018-10-12 22:36:54,956 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:36:54,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:36:54,962 INFO L82 PathProgramCache]: Analyzing trace with hash 97606394, now seen corresponding path program 1 times [2018-10-12 22:36:55,024 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:36:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:36:55,436 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 22:36:55,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 22:36:55,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-12 22:36:55,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 22:36:55,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 22:36:55,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-12 22:36:55,460 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-10-12 22:36:55,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:36:55,953 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-10-12 22:36:55,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 22:36:56,053 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-10-12 22:36:56,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:36:56,070 INFO L225 Difference]: With dead ends: 74 [2018-10-12 22:36:56,070 INFO L226 Difference]: Without dead ends: 74 [2018-10-12 22:36:56,072 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-12 22:36:56,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-12 22:36:56,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2018-10-12 22:36:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-10-12 22:36:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-10-12 22:36:56,117 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 45 [2018-10-12 22:36:56,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:36:56,118 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-10-12 22:36:56,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 22:36:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-10-12 22:36:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-12 22:36:56,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:36:56,121 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, 1] [2018-10-12 22:36:56,121 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:36:56,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:36:56,122 INFO L82 PathProgramCache]: Analyzing trace with hash -2077521042, now seen corresponding path program 1 times [2018-10-12 22:36:56,123 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:36:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:36:56,564 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 22:36:56,565 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:36:56,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-12 22:36:56,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-12 22:36:56,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-12 22:36:56,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-12 22:36:56,568 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 8 states. [2018-10-12 22:36:56,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:36:56,911 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-10-12 22:36:56,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-12 22:36:56,912 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2018-10-12 22:36:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:36:56,914 INFO L225 Difference]: With dead ends: 76 [2018-10-12 22:36:56,914 INFO L226 Difference]: Without dead ends: 76 [2018-10-12 22:36:56,915 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-10-12 22:36:56,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-10-12 22:36:56,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-10-12 22:36:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-10-12 22:36:56,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-10-12 22:36:56,923 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 60 [2018-10-12 22:36:56,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:36:56,924 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-10-12 22:36:56,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-12 22:36:56,924 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-10-12 22:36:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-12 22:36:56,926 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:36:56,927 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, 1] [2018-10-12 22:36:56,927 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:36:56,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:36:56,928 INFO L82 PathProgramCache]: Analyzing trace with hash -700193670, now seen corresponding path program 2 times [2018-10-12 22:36:56,928 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:36:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:36:57,733 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2018-10-12 22:36:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:36:58,805 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:36:58,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-10-12 22:36:58,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-12 22:36:58,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-12 22:36:58,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-10-12 22:36:58,807 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 19 states. [2018-10-12 22:36:59,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:36:59,392 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-10-12 22:36:59,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-12 22:36:59,392 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 75 [2018-10-12 22:36:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:36:59,393 INFO L225 Difference]: With dead ends: 74 [2018-10-12 22:36:59,393 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 22:36:59,394 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2018-10-12 22:36:59,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 22:36:59,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 22:36:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 22:36:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 22:36:59,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2018-10-12 22:36:59,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:36:59,396 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 22:36:59,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-12 22:36:59,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 22:36:59,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 22:36:59,400 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:36:59 BasicIcfg [2018-10-12 22:36:59,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 22:36:59,402 INFO L168 Benchmark]: Toolchain (without parser) took 10541.00 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 1.0 GB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -815.9 MB). Peak memory consumption was 184.5 MB. Max. memory is 7.1 GB. [2018-10-12 22:36:59,403 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-12 22:36:59,403 INFO L168 Benchmark]: Boogie Preprocessor took 55.02 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. [2018-10-12 22:36:59,404 INFO L168 Benchmark]: RCFGBuilder took 618.13 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. [2018-10-12 22:36:59,405 INFO L168 Benchmark]: IcfgTransformer took 5307.49 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 264.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 336.6 MB). Peak memory consumption was 600.9 MB. Max. memory is 7.1 GB. [2018-10-12 22:36:59,406 INFO L168 Benchmark]: TraceAbstraction took 4554.48 ms. Allocated memory was 1.8 GB in the beginning and 2.5 GB in the end (delta: 736.1 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 22:36:59,410 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.02 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 618.13 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 5307.49 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 264.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 336.6 MB). Peak memory consumption was 600.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4554.48 ms. Allocated memory was 1.8 GB in the beginning and 2.5 GB in the end (delta: 736.1 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 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 : 60 LocStat_MAX_WEQGRAPH_SIZE : 3 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 1113 LocStat_NO_SUPPORTING_DISEQUALITIES : 373 LocStat_NO_DISJUNCTIONS : -120 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 62 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 55 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 62 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 3237.59 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 107 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 62 different actions 105 times. Merged at 24 different actions 41 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: 121]: 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, 62 locations, 1 error locations. SAFE Result, 4.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 SDtfs, 588 SDslu, 319 SDs, 0 SdLazy, 238 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.7s 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, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 148799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 16/18 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-write.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_22-36-59-426.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_22-36-59-426.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_22-36-59-426.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...