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/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:39:44,361 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:39:44,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:39:44,375 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:39:44,375 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:39:44,376 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:39:44,377 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:39:44,380 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:39:44,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:39:44,386 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:39:44,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:39:44,387 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:39:44,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:39:44,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:39:44,394 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:39:44,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:39:44,397 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:39:44,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:39:44,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:39:44,412 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:39:44,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:39:44,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:39:44,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:39:44,419 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:39:44,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:39:44,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:39:44,423 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:39:44,423 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:39:44,425 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:39:44,426 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:39:44,426 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:39:44,427 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 16:39:44,430 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 16:39:44,443 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:39:44,443 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:39:44,444 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:39:44,444 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:39:44,444 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:39:44,444 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:39:44,445 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:39:44,445 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:39:44,446 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:39:44,446 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:39:44,446 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:39:44,446 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:39:44,446 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:39:44,449 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:39:44,449 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:39:44,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:39:44,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:39:44,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:39:44,550 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:39:44,551 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:39:44,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl [2018-10-10 16:39:44,552 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl' [2018-10-10 16:39:44,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:39:44,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:39:44,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:39:44,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:39:44,627 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:39:44,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:39:44" (1/1) ... [2018-10-10 16:39:44,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:39:44" (1/1) ... [2018-10-10 16:39:44,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:39:44" (1/1) ... [2018-10-10 16:39:44,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:39:44" (1/1) ... [2018-10-10 16:39:44,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:39:44" (1/1) ... [2018-10-10 16:39:44,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:39:44" (1/1) ... [2018-10-10 16:39:44,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:39:44" (1/1) ... [2018-10-10 16:39:44,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:39:44,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:39:44,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:39:44,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:39:44,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:39:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 16:39:44,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:39:44,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:39:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:39:45,348 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:39:45,349 INFO L202 PluginConnector]: Adding new model openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:39:45 BoogieIcfgContainer [2018-10-10 16:39:45,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:39:45,351 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:39:45,351 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:39:45,351 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:39:45,355 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:39:45" (1/1) ... [2018-10-10 16:39:45,364 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:39:45,364 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:39:45,407 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:39:45,462 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:39:45,482 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:39:45,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:40:54,148 INFO L315 AbstractInterpreter]: Visited 95 different actions 142 times. Merged at 37 different actions 45 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:40:54,152 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:40:54,157 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:40:54,222 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_19|) |v_ULTIMATE.start_read~int_#ptr.offset_13|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-10 16:40:54,268 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 #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-10 16:40:54,306 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 read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-10 16:40:54,346 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;) [2018-10-10 16:40:54,388 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:40:54,389 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:40:54,389 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:40:54,389 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:40:54,389 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:40:54,389 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:40:54,390 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:40:54,390 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:40:54,390 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:40:54,390 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:40:54,390 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:40:54,390 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:40:54,391 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:40:54,391 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:40:54,391 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:40:54,392 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:40:54,417 INFO L202 PluginConnector]: Adding new model openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:40:54 BasicIcfg [2018-10-10 16:40:54,418 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:40:54,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:40:54,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:40:54,423 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:40:54,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:39:44" (1/3) ... [2018-10-10 16:40:54,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d858234 and model type openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:40:54, skipping insertion in model container [2018-10-10 16:40:54,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:39:45" (2/3) ... [2018-10-10 16:40:54,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d858234 and model type openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:40:54, skipping insertion in model container [2018-10-10 16:40:54,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:40:54" (3/3) ... [2018-10-10 16:40:54,427 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:40:54,437 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:40:54,448 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:40:54,466 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:40:54,489 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:40:54,490 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:40:54,490 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:40:54,491 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:40:54,491 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:40:54,491 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:40:54,491 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:40:54,491 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:40:54,491 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:40:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2018-10-10 16:40:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-10 16:40:54,515 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:40:54,517 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] [2018-10-10 16:40:54,519 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:40:54,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:40:54,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1410945952, now seen corresponding path program 1 times [2018-10-10 16:40:54,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:40:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:40:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:40:56,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:40:56,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-10 16:40:56,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 16:40:56,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 16:40:56,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-10-10 16:40:56,240 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 16 states. [2018-10-10 16:40:57,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:40:57,993 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-10-10 16:40:57,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 16:40:57,995 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 60 [2018-10-10 16:40:57,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:40:58,006 INFO L225 Difference]: With dead ends: 117 [2018-10-10 16:40:58,007 INFO L226 Difference]: Without dead ends: 117 [2018-10-10 16:40:58,009 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=220, Invalid=902, Unknown=0, NotChecked=0, Total=1122 [2018-10-10 16:40:58,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-10-10 16:40:58,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 96. [2018-10-10 16:40:58,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-10 16:40:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-10 16:40:58,052 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 60 [2018-10-10 16:40:58,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:40:58,053 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-10-10 16:40:58,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 16:40:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-10 16:40:58,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-10 16:40:58,057 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:40:58,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:40:58,058 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:40:58,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:40:58,058 INFO L82 PathProgramCache]: Analyzing trace with hash 300120565, now seen corresponding path program 1 times [2018-10-10 16:40:58,059 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:40:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:40:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:40:58,986 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:40:58,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-10-10 16:40:58,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 16:40:58,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 16:40:58,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2018-10-10 16:40:58,989 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 18 states. [2018-10-10 16:41:00,260 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-10 16:41:00,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:00,862 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-10-10 16:41:00,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 16:41:00,872 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 95 [2018-10-10 16:41:00,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:00,878 INFO L225 Difference]: With dead ends: 152 [2018-10-10 16:41:00,879 INFO L226 Difference]: Without dead ends: 152 [2018-10-10 16:41:00,881 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2018-10-10 16:41:00,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-10-10 16:41:00,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 131. [2018-10-10 16:41:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-10-10 16:41:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-10-10 16:41:00,903 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 95 [2018-10-10 16:41:00,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:00,903 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-10-10 16:41:00,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 16:41:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-10-10 16:41:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-10 16:41:00,910 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:00,910 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:41:00,911 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:00,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:00,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1422570624, now seen corresponding path program 2 times [2018-10-10 16:41:00,912 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:01,640 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-10 16:41:01,823 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-10 16:41:02,046 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-10 16:41:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:41:03,225 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:41:03,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-10-10 16:41:03,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-10 16:41:03,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-10 16:41:03,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2018-10-10 16:41:03,227 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 28 states. [2018-10-10 16:41:05,124 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-10 16:41:06,940 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-10 16:41:07,316 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2018-10-10 16:41:07,660 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-10 16:41:07,953 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-10 16:41:08,268 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2018-10-10 16:41:08,412 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2018-10-10 16:41:08,572 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2018-10-10 16:41:08,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:08,782 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-10-10 16:41:08,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-10 16:41:08,782 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 130 [2018-10-10 16:41:08,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:08,785 INFO L225 Difference]: With dead ends: 187 [2018-10-10 16:41:08,785 INFO L226 Difference]: Without dead ends: 187 [2018-10-10 16:41:08,786 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=422, Invalid=2548, Unknown=0, NotChecked=0, Total=2970 [2018-10-10 16:41:08,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-10-10 16:41:08,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 166. [2018-10-10 16:41:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-10-10 16:41:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 166 transitions. [2018-10-10 16:41:08,799 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 166 transitions. Word has length 130 [2018-10-10 16:41:08,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:08,799 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 166 transitions. [2018-10-10 16:41:08,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-10 16:41:08,800 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 166 transitions. [2018-10-10 16:41:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-10 16:41:08,802 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:41:08,802 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:41:08,803 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:41:08,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:41:08,803 INFO L82 PathProgramCache]: Analyzing trace with hash 60651029, now seen corresponding path program 3 times [2018-10-10 16:41:08,804 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:41:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:41:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-10 16:41:10,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:41:10,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-10-10 16:41:10,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-10 16:41:10,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-10 16:41:10,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=695, Unknown=0, NotChecked=0, Total=756 [2018-10-10 16:41:10,492 INFO L87 Difference]: Start difference. First operand 166 states and 166 transitions. Second operand 28 states. [2018-10-10 16:41:12,697 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2018-10-10 16:41:12,904 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2018-10-10 16:41:13,111 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-10-10 16:41:13,310 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2018-10-10 16:41:13,768 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2018-10-10 16:41:14,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:41:14,235 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-10-10 16:41:14,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-10 16:41:14,236 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 165 [2018-10-10 16:41:14,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:41:14,237 INFO L225 Difference]: With dead ends: 164 [2018-10-10 16:41:14,238 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:41:14,240 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=501, Invalid=2691, Unknown=0, NotChecked=0, Total=3192 [2018-10-10 16:41:14,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:41:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:41:14,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:41:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:41:14,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2018-10-10 16:41:14,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:41:14,241 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:41:14,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-10 16:41:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:41:14,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:41:14,245 INFO L202 PluginConnector]: Adding new model openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:41:14 BasicIcfg [2018-10-10 16:41:14,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:41:14,245 INFO L168 Benchmark]: Toolchain (without parser) took 89620.49 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -457.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-10 16:41:14,247 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:41:14,247 INFO L168 Benchmark]: Boogie Preprocessor took 71.73 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:41:14,248 INFO L168 Benchmark]: RCFGBuilder took 651.11 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. [2018-10-10 16:41:14,249 INFO L168 Benchmark]: IcfgTransformer took 69067.32 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -907.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-10 16:41:14,250 INFO L168 Benchmark]: TraceAbstraction took 19825.76 ms. Allocated memory was 3.5 GB in the beginning and 3.8 GB in the end (delta: 319.3 MB). Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 418.3 MB). Peak memory consumption was 737.6 MB. Max. memory is 7.1 GB. [2018-10-10 16:41:14,254 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 0.18 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 71.73 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 651.11 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 69067.32 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -907.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 19825.76 ms. Allocated memory was 3.5 GB in the beginning and 3.8 GB in the end (delta: 319.3 MB). Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 418.3 MB). Peak memory consumption was 737.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 93 LocStat_MAX_WEQGRAPH_SIZE : 17 LocStat_MAX_SIZEOF_WEQEDGELABEL : 6 LocStat_NO_SUPPORTING_EQUALITIES : 3302 LocStat_NO_SUPPORTING_DISEQUALITIES : 708 LocStat_NO_DISJUNCTIONS : -186 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 95 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 96 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 95 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 45224.04 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 144 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 95 different actions 142 times. Merged at 37 different actions 45 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 : 3 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: 167]: 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, 95 locations, 1 error locations. SAFE Result, 19.7s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 13.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 258 SDtfs, 2590 SDslu, 2871 SDs, 0 SdLazy, 3361 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred 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, 0.2s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 446 ConstructedInterpolants, 0 QuantifiedInterpolants, 870597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 31/158 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/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-41-14-273.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-41-14-273.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-41-14-273.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...