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/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:28:49,466 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:28:49,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:28:49,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:28:49,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:28:49,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:28:49,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:28:49,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:28:49,488 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:28:49,489 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:28:49,490 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:28:49,490 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:28:49,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:28:49,495 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:28:49,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:28:49,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:28:49,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:28:49,506 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:28:49,514 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:28:49,516 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:28:49,520 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:28:49,521 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:28:49,527 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:28:49,527 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:28:49,527 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:28:49,528 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:28:49,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:28:49,533 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:28:49,534 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:28:49,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:28:49,536 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:28:49,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 18:28:49,544 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 18:28:49,565 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:28:49,565 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:28:49,566 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:28:49,567 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:28:49,567 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:28:49,567 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:28:49,571 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:28:49,572 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:28:49,572 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:28:49,572 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:28:49,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:28:49,573 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:28:49,573 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:28:49,574 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:28:49,574 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:28:49,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:28:49,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:28:49,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:28:49,660 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:28:49,660 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:28:49,661 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-14 18:28:49,662 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl' [2018-10-14 18:28:49,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:28:49,746 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:28:49,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:28:49,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:28:49,747 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:28:49,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:28:49" (1/1) ... [2018-10-14 18:28:49,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:28:49" (1/1) ... [2018-10-14 18:28:49,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:28:49" (1/1) ... [2018-10-14 18:28:49,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:28:49" (1/1) ... [2018-10-14 18:28:49,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:28:49" (1/1) ... [2018-10-14 18:28:49,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:28:49" (1/1) ... [2018-10-14 18:28:49,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:28:49" (1/1) ... [2018-10-14 18:28:49,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:28:49,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:28:49,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:28:49,831 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:28:49,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:28:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 18:28:49,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:28:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:28:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:28:50,548 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:28:50,549 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:28:50 BoogieIcfgContainer [2018-10-14 18:28:50,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:28:50,549 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:28:50,549 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:28:50,550 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:28:50,553 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:28:50" (1/1) ... [2018-10-14 18:28:50,560 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:28:50,561 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:28:50,605 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:28:50,660 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:28:50,676 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:28:50,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:30:18,224 INFO L315 AbstractInterpreter]: Visited 116 different actions 399 times. Merged at 61 different actions 274 times. Widened at 4 different actions 7 times. Found 5 fixpoints after 2 different actions. Largest state had 0 variables. [2018-10-14 18:30:18,227 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:30:18,231 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:30:18,291 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_4_1_1| |v_ULTIMATE.start_write~int_#ptr.base_12|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-14 18:30:18,296 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |#loc_#memory_int_(Array-Int-#locsort1)| |v_ULTIMATE.start_read~int_#ptr.base_6|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-14 18:30:18,297 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_6|) |v_ULTIMATE.start_read~int_#ptr.offset_4|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-14 18:30:18,360 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_6|) at (assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]];) [2018-10-14 18:30:18,362 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:30:18,363 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:30:18,363 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:30:18,363 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:30:18,363 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:30:18,363 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:30:18,364 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:30:18,364 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:30:18,364 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:30:18,365 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:30:18,365 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:30:18,365 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:30:18,365 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:30:18,368 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:30:18,368 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:30:18,370 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:30:18,420 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:30:18 BasicIcfg [2018-10-14 18:30:18,422 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:30:18,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:30:18,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:30:18,428 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:30:18,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:28:49" (1/3) ... [2018-10-14 18:30:18,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750f4c6a and model type lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:30:18, skipping insertion in model container [2018-10-14 18:30:18,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:28:50" (2/3) ... [2018-10-14 18:30:18,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750f4c6a and model type lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:30:18, skipping insertion in model container [2018-10-14 18:30:18,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:30:18" (3/3) ... [2018-10-14 18:30:18,435 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:30:18,445 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:30:18,456 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:30:18,477 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:30:18,509 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:30:18,510 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:30:18,510 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:30:18,511 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:30:18,511 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:30:18,511 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:30:18,511 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:30:18,511 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:30:18,512 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:30:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2018-10-14 18:30:18,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-14 18:30:18,546 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:30:18,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:30:18,548 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:30:18,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:30:18,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1376280486, now seen corresponding path program 1 times [2018-10-14 18:30:18,607 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:30:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:30:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:30:19,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:30:19,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-14 18:30:19,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 18:30:19,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 18:30:19,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-14 18:30:19,034 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 6 states. [2018-10-14 18:30:19,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:30:19,570 INFO L93 Difference]: Finished difference Result 145 states and 146 transitions. [2018-10-14 18:30:19,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-14 18:30:19,573 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-10-14 18:30:19,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:30:19,585 INFO L225 Difference]: With dead ends: 145 [2018-10-14 18:30:19,585 INFO L226 Difference]: Without dead ends: 145 [2018-10-14 18:30:19,587 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-14 18:30:19,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-10-14 18:30:19,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2018-10-14 18:30:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-14 18:30:19,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 116 transitions. [2018-10-14 18:30:19,632 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 116 transitions. Word has length 80 [2018-10-14 18:30:19,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:30:19,633 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 116 transitions. [2018-10-14 18:30:19,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 18:30:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-10-14 18:30:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-14 18:30:19,637 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:30:19,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:30:19,638 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:30:19,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:30:19,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1805521546, now seen corresponding path program 1 times [2018-10-14 18:30:19,640 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:30:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:30:20,585 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-10-14 18:30:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:30:21,048 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:30:21,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-10-14 18:30:21,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-14 18:30:21,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-14 18:30:21,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-10-14 18:30:21,051 INFO L87 Difference]: Start difference. First operand 115 states and 116 transitions. Second operand 17 states. [2018-10-14 18:30:22,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:30:22,234 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-10-14 18:30:22,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-14 18:30:22,240 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 114 [2018-10-14 18:30:22,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:30:22,241 INFO L225 Difference]: With dead ends: 105 [2018-10-14 18:30:22,241 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:30:22,243 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2018-10-14 18:30:22,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:30:22,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:30:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:30:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:30:22,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2018-10-14 18:30:22,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:30:22,244 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:30:22,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-14 18:30:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:30:22,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:30:22,249 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:30:22 BasicIcfg [2018-10-14 18:30:22,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:30:22,250 INFO L168 Benchmark]: Toolchain (without parser) took 92505.70 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: -2.4 GB). Peak memory consumption was 176.9 MB. Max. memory is 7.1 GB. [2018-10-14 18:30:22,252 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:30:22,253 INFO L168 Benchmark]: Boogie Preprocessor took 82.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:30:22,253 INFO L168 Benchmark]: RCFGBuilder took 718.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:30:22,254 INFO L168 Benchmark]: IcfgTransformer took 87872.80 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -893.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-14 18:30:22,255 INFO L168 Benchmark]: TraceAbstraction took 3826.42 ms. Allocated memory was 3.5 GB in the beginning and 4.1 GB in the end (delta: 570.4 MB). Free memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: -1.5 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:30:22,262 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 82.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 718.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * IcfgTransformer took 87872.80 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -893.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * TraceAbstraction took 3826.42 ms. Allocated memory was 3.5 GB in the beginning and 4.1 GB in the end (delta: 570.4 MB). Free memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: -1.5 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 : 113 LocStat_MAX_WEQGRAPH_SIZE : 6 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 3524 LocStat_NO_SUPPORTING_DISEQUALITIES : 836 LocStat_NO_DISJUNCTIONS : -226 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 116 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 106 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 115 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 21423.83 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 399 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 116 different actions 399 times. Merged at 61 different actions 274 times. Widened at 4 different actions 7 times. Found 5 fixpoints after 2 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 : 2 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: 203]: 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, 115 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 168 SDtfs, 706 SDslu, 432 SDs, 0 SdLazy, 248 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 94010 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-30-22-294.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-30-22-294.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-30-22-294.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...