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/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:44:56,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:44:56,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:44:56,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:44:56,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:44:56,507 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:44:56,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:44:56,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:44:56,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:44:56,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:44:56,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:44:56,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:44:56,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:44:56,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:44:56,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:44:56,517 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:44:56,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:44:56,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:44:56,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:44:56,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:44:56,525 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:44:56,526 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:44:56,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:44:56,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:44:56,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:44:56,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:44:56,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:44:56,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:44:56,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:44:56,534 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:44:56,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:44:56,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 18:44:56,538 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 18:44:56,548 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:44:56,548 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:44:56,549 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:44:56,549 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:44:56,549 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:44:56,549 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:44:56,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:44:56,550 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:44:56,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:44:56,551 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:44:56,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:44:56,551 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:44:56,551 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:44:56,552 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:44:56,552 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:44:56,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:44:56,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:44:56,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:44:56,622 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:44:56,623 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:44:56,624 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl [2018-10-14 18:44:56,624 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl' [2018-10-14 18:44:56,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:44:56,700 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:44:56,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:44:56,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:44:56,701 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:44:56,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:44:56" (1/1) ... [2018-10-14 18:44:56,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:44:56" (1/1) ... [2018-10-14 18:44:56,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:44:56" (1/1) ... [2018-10-14 18:44:56,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:44:56" (1/1) ... [2018-10-14 18:44:56,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:44:56" (1/1) ... [2018-10-14 18:44:56,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:44:56" (1/1) ... [2018-10-14 18:44:56,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:44:56" (1/1) ... [2018-10-14 18:44:56,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:44:56,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:44:56,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:44:56,758 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:44:56,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:44:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 18:44:56,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:44:56,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:44:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:44:57,448 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:44:57,449 INFO L202 PluginConnector]: Adding new model strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:44:57 BoogieIcfgContainer [2018-10-14 18:44:57,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:44:57,450 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:44:57,450 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:44:57,451 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:44:57,456 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:44:57" (1/1) ... [2018-10-14 18:44:57,467 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:44:57,468 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:44:57,518 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:44:57,597 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:44:57,618 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:44:57,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:45:06,069 INFO L315 AbstractInterpreter]: Visited 65 different actions 100 times. Merged at 25 different actions 33 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:45:06,072 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:45:06,077 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:45:06,090 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_13|) |v_ULTIMATE.start_read~int_#ptr.offset_9|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-14 18:45:06,094 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_7|) |v_ULTIMATE.start_read~int_#ptr.offset_5|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-14 18:45:06,148 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:45:06,149 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:45:06,149 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:45:06,149 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:45:06,149 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:45:06,150 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:45:06,153 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:45:06,153 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:45:06,154 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:45:06,154 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:45:06,154 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:45:06,154 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:45:06,154 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:45:06,155 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:45:06,155 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:45:06,158 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:45:06,186 INFO L202 PluginConnector]: Adding new model strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:45:06 BasicIcfg [2018-10-14 18:45:06,186 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:45:06,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:45:06,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:45:06,191 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:45:06,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:44:56" (1/3) ... [2018-10-14 18:45:06,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9796067 and model type strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:45:06, skipping insertion in model container [2018-10-14 18:45:06,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:44:57" (2/3) ... [2018-10-14 18:45:06,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9796067 and model type strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:45:06, skipping insertion in model container [2018-10-14 18:45:06,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:45:06" (3/3) ... [2018-10-14 18:45:06,195 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:45:06,205 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:45:06,213 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:45:06,230 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:45:06,256 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:45:06,257 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:45:06,257 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:45:06,257 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:45:06,257 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:45:06,257 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:45:06,258 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:45:06,258 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:45:06,258 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:45:06,271 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-10-14 18:45:06,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-14 18:45:06,279 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:45:06,280 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] [2018-10-14 18:45:06,281 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:45:06,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:45:06,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1778985239, now seen corresponding path program 1 times [2018-10-14 18:45:06,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:45:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:45:07,623 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 18:45:07,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:45:07,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-14 18:45:07,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-14 18:45:07,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-14 18:45:07,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-10-14 18:45:07,646 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 12 states. [2018-10-14 18:45:08,324 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-14 18:45:08,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:45:08,933 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-10-14 18:45:08,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-14 18:45:08,935 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-10-14 18:45:08,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:45:08,945 INFO L225 Difference]: With dead ends: 87 [2018-10-14 18:45:08,946 INFO L226 Difference]: Without dead ends: 87 [2018-10-14 18:45:08,948 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2018-10-14 18:45:08,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-10-14 18:45:08,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 66. [2018-10-14 18:45:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-10-14 18:45:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-10-14 18:45:08,990 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 42 [2018-10-14 18:45:08,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:45:08,990 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-10-14 18:45:08,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-14 18:45:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-10-14 18:45:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-14 18:45:08,993 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:45:08,993 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:45:08,994 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:45:08,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:45:08,994 INFO L82 PathProgramCache]: Analyzing trace with hash 805993068, now seen corresponding path program 1 times [2018-10-14 18:45:08,995 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:45:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:45:09,477 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-14 18:45:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:45:10,008 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:45:10,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-14 18:45:10,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-14 18:45:10,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-14 18:45:10,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-10-14 18:45:10,011 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 20 states. [2018-10-14 18:45:11,323 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-14 18:45:11,637 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-14 18:45:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:45:12,584 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-10-14 18:45:12,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-14 18:45:12,585 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 65 [2018-10-14 18:45:12,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:45:12,587 INFO L225 Difference]: With dead ends: 110 [2018-10-14 18:45:12,588 INFO L226 Difference]: Without dead ends: 110 [2018-10-14 18:45:12,589 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=384, Invalid=1022, Unknown=0, NotChecked=0, Total=1406 [2018-10-14 18:45:12,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-14 18:45:12,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 89. [2018-10-14 18:45:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-10-14 18:45:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-14 18:45:12,599 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 65 [2018-10-14 18:45:12,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:45:12,600 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-10-14 18:45:12,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-14 18:45:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-14 18:45:12,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-14 18:45:12,603 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:45:12,603 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:45:12,603 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:45:12,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:45:12,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1671592311, now seen corresponding path program 2 times [2018-10-14 18:45:12,605 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:45:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:45:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:45:13,484 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:45:13,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-10-14 18:45:13,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-14 18:45:13,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-14 18:45:13,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2018-10-14 18:45:13,486 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 22 states. [2018-10-14 18:45:14,254 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-14 18:45:14,557 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-14 18:45:15,064 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-14 18:45:15,367 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-14 18:45:15,555 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-14 18:45:15,774 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-14 18:45:16,122 WARN L179 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2018-10-14 18:45:16,524 WARN L179 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2018-10-14 18:45:16,943 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2018-10-14 18:45:17,218 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-14 18:45:17,587 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2018-10-14 18:45:17,755 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-14 18:45:18,020 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-14 18:45:18,287 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-14 18:45:18,644 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-14 18:45:18,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:45:18,689 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-10-14 18:45:18,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-14 18:45:18,694 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 88 [2018-10-14 18:45:18,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:45:18,699 INFO L225 Difference]: With dead ends: 133 [2018-10-14 18:45:18,700 INFO L226 Difference]: Without dead ends: 133 [2018-10-14 18:45:18,701 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=440, Invalid=1366, Unknown=0, NotChecked=0, Total=1806 [2018-10-14 18:45:18,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-14 18:45:18,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2018-10-14 18:45:18,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-14 18:45:18,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-10-14 18:45:18,721 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 88 [2018-10-14 18:45:18,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:45:18,727 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-10-14 18:45:18,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-14 18:45:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-10-14 18:45:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-14 18:45:18,730 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:45:18,731 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:18,732 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:45:18,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:45:18,732 INFO L82 PathProgramCache]: Analyzing trace with hash 2005712396, now seen corresponding path program 3 times [2018-10-14 18:45:18,734 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:45:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:45:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:45:19,626 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:45:19,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-10-14 18:45:19,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-14 18:45:19,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-14 18:45:19,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2018-10-14 18:45:19,628 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 25 states. [2018-10-14 18:45:21,733 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-14 18:45:22,152 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-14 18:45:22,607 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2018-10-14 18:45:22,932 WARN L179 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2018-10-14 18:45:23,146 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-14 18:45:23,358 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-14 18:45:23,620 WARN L179 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2018-10-14 18:45:23,934 WARN L179 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-10-14 18:45:24,218 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2018-10-14 18:45:24,441 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2018-10-14 18:45:24,750 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-10-14 18:45:25,004 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-14 18:45:25,213 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-14 18:45:25,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:45:25,224 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-10-14 18:45:25,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-10-14 18:45:25,225 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 111 [2018-10-14 18:45:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:45:25,227 INFO L225 Difference]: With dead ends: 131 [2018-10-14 18:45:25,227 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:45:25,229 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=775, Invalid=2195, Unknown=0, NotChecked=0, Total=2970 [2018-10-14 18:45:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:45:25,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:45:25,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:45:25,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:45:25,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2018-10-14 18:45:25,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:45:25,231 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:45:25,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-14 18:45:25,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:45:25,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:45:25,235 INFO L202 PluginConnector]: Adding new model strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:45:25 BasicIcfg [2018-10-14 18:45:25,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:45:25,236 INFO L168 Benchmark]: Toolchain (without parser) took 28537.72 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -463.4 MB). Peak memory consumption was 719.4 MB. Max. memory is 7.1 GB. [2018-10-14 18:45:25,238 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:45:25,238 INFO L168 Benchmark]: Boogie Preprocessor took 57.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:45:25,239 INFO L168 Benchmark]: RCFGBuilder took 691.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:45:25,239 INFO L168 Benchmark]: IcfgTransformer took 8736.55 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 440.9 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -256.8 MB). Peak memory consumption was 184.1 MB. Max. memory is 7.1 GB. [2018-10-14 18:45:25,240 INFO L168 Benchmark]: TraceAbstraction took 19047.85 ms. Allocated memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: 741.9 MB). Free memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: -238.3 MB). Peak memory consumption was 503.6 MB. Max. memory is 7.1 GB. [2018-10-14 18:45:25,244 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 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 691.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * IcfgTransformer took 8736.55 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 440.9 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -256.8 MB). Peak memory consumption was 184.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19047.85 ms. Allocated memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: 741.9 MB). Free memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: -238.3 MB). Peak memory consumption was 503.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 63 LocStat_MAX_WEQGRAPH_SIZE : 7 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 1814 LocStat_NO_SUPPORTING_DISEQUALITIES : 228 LocStat_NO_DISJUNCTIONS : -126 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 65 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 62 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 65 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 5934.92 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 102 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 65 different actions 100 times. Merged at 25 different actions 33 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] : 4 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 COUNT_ARRAY_READS for [#memory_int, ULTIMATE.start_write~int_old_#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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, 65 locations, 1 error locations. SAFE Result, 18.9s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 14.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 212 SDtfs, 3118 SDslu, 1758 SDs, 0 SdLazy, 1910 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=3, 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, 4 MinimizatonAttempts, 63 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 302 ConstructedInterpolants, 0 QuantifiedInterpolants, 365376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/110 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/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-45-25-260.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-45-25-260.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-45-25-260.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...