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-b8f97f7-m [2018-10-10 16:47:37,231 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:47:37,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:47:37,244 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:47:37,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:47:37,245 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:47:37,248 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:47:37,251 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:47:37,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:47:37,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:47:37,256 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:47:37,256 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:47:37,257 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:47:37,258 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:47:37,261 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:47:37,262 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:47:37,264 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:47:37,266 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:47:37,268 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:47:37,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:47:37,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:47:37,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:47:37,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:47:37,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:47:37,281 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:47:37,283 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:47:37,284 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:47:37,285 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:47:37,286 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:47:37,287 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:47:37,287 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:47:37,287 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:47:37,288 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:47:37,288 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:47:37,289 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:47:37,289 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:47:37,290 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 16:47:37,299 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:47:37,300 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:47:37,300 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:47:37,301 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:47:37,301 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:47:37,301 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:47:37,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:47:37,302 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:47:37,302 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:47:37,302 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:47:37,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:47:37,303 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:47:37,303 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:47:37,303 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:47:37,304 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:47:37,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:47:37,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:47:37,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:47:37,373 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:47:37,373 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:47:37,374 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl [2018-10-10 16:47:37,375 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl' [2018-10-10 16:47:37,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:47:37,457 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:47:37,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:47:37,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:47:37,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:47:37,486 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 10.10 04:47:37" (1/1) ... [2018-10-10 16:47:37,488 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 10.10 04:47:37" (1/1) ... [2018-10-10 16:47:37,504 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 10.10 04:47:37" (1/1) ... [2018-10-10 16:47:37,505 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 10.10 04:47:37" (1/1) ... [2018-10-10 16:47:37,510 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 10.10 04:47:37" (1/1) ... [2018-10-10 16:47:37,512 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 10.10 04:47:37" (1/1) ... [2018-10-10 16:47:37,514 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 10.10 04:47:37" (1/1) ... [2018-10-10 16:47:37,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:47:37,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:47:37,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:47:37,517 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:47:37,518 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 10.10 04:47:37" (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 16:47:37,583 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:47:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:47:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:47:38,094 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:47:38,095 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 10.10 04:47:38 BoogieIcfgContainer [2018-10-10 16:47:38,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:47:38,096 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:47:38,096 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:47:38,097 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:47:38,100 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 10.10 04:47:38" (1/1) ... [2018-10-10 16:47:38,110 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:47:38,110 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:47:38,151 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:47:38,192 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:47:38,213 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:47:38,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:47:46,951 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. [2018-10-10 16:47:46,954 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:47:46,958 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:47:46,973 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;) [2018-10-10 16:47:46,978 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];) [2018-10-10 16:47:47,038 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:47:47,039 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:47:47,039 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:47:47,039 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:47:47,039 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:47:47,040 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:47:47,040 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:47:47,040 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:47:47,040 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:47:47,041 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:47:47,041 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:47:47,041 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:47:47,041 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:47:47,041 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:47:47,043 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:47:47,045 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:47:47,075 INFO L202 PluginConnector]: Adding new model strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:47:47 BasicIcfg [2018-10-10 16:47:47,075 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:47:47,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:47:47,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:47:47,082 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:47:47,083 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 10.10 04:47:37" (1/3) ... [2018-10-10 16:47:47,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b36a991 and model type strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:47:47, skipping insertion in model container [2018-10-10 16:47:47,084 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 10.10 04:47:38" (2/3) ... [2018-10-10 16:47:47,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b36a991 and model type strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:47:47, skipping insertion in model container [2018-10-10 16:47:47,085 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 10.10 04:47:47" (3/3) ... [2018-10-10 16:47:47,087 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:47:47,101 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:47:47,110 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:47:47,128 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:47:47,154 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:47:47,155 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:47:47,155 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:47:47,155 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:47:47,156 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:47:47,156 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:47:47,156 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:47:47,156 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:47:47,156 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:47:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-10-10 16:47:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-10 16:47:47,182 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:47:47,183 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] [2018-10-10 16:47:47,184 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:47:47,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:47:47,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1778985239, now seen corresponding path program 1 times [2018-10-10 16:47:47,256 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:47:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:47:49,044 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 16:47:49,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:47:49,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-10 16:47:49,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 16:47:49,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 16:47:49,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-10-10 16:47:49,067 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 12 states. [2018-10-10 16:47:50,126 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-10-10 16:47:50,300 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-10-10 16:47:50,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:47:50,442 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-10-10 16:47:50,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 16:47:50,445 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-10-10 16:47:50,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:47:50,455 INFO L225 Difference]: With dead ends: 87 [2018-10-10 16:47:50,455 INFO L226 Difference]: Without dead ends: 87 [2018-10-10 16:47:50,457 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2018-10-10 16:47:50,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-10-10 16:47:50,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 66. [2018-10-10 16:47:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-10-10 16:47:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-10-10 16:47:50,508 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 42 [2018-10-10 16:47:50,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:47:50,511 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-10-10 16:47:50,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 16:47:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-10-10 16:47:50,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-10 16:47:50,513 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:47:50,514 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] [2018-10-10 16:47:50,514 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:47:50,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:47:50,515 INFO L82 PathProgramCache]: Analyzing trace with hash 805993068, now seen corresponding path program 1 times [2018-10-10 16:47:50,517 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:47:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:47:51,473 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 16:47:51,474 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:47:51,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-10 16:47:51,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-10 16:47:51,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-10 16:47:51,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-10-10 16:47:51,477 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 20 states. [2018-10-10 16:47:52,647 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-10 16:47:53,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:47:53,915 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-10-10 16:47:53,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-10 16:47:53,919 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 65 [2018-10-10 16:47:53,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:47:53,921 INFO L225 Difference]: With dead ends: 110 [2018-10-10 16:47:53,922 INFO L226 Difference]: Without dead ends: 110 [2018-10-10 16:47:53,923 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=384, Invalid=1022, Unknown=0, NotChecked=0, Total=1406 [2018-10-10 16:47:53,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-10 16:47:53,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 89. [2018-10-10 16:47:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-10-10 16:47:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-10 16:47:53,932 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 65 [2018-10-10 16:47:53,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:47:53,932 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-10-10 16:47:53,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-10 16:47:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-10 16:47:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-10 16:47:53,935 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:47:53,936 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] [2018-10-10 16:47:53,936 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:47:53,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:47:53,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1671592311, now seen corresponding path program 2 times [2018-10-10 16:47:53,937 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:47:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:47:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:47:54,789 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:47:54,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-10-10 16:47:54,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-10 16:47:54,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-10 16:47:54,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2018-10-10 16:47:54,791 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 22 states. [2018-10-10 16:47:55,725 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-10 16:47:56,030 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-10 16:47:56,570 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-10 16:47:56,846 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-10 16:47:56,995 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-10 16:47:57,169 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-10 16:47:57,505 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2018-10-10 16:47:57,888 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2018-10-10 16:47:58,310 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2018-10-10 16:47:58,583 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-10 16:47:58,948 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2018-10-10 16:47:59,117 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 16:47:59,379 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-10 16:47:59,641 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-10 16:48:00,009 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-10 16:48:00,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:48:00,049 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-10-10 16:48:00,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 16:48:00,057 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 88 [2018-10-10 16:48:00,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:48:00,059 INFO L225 Difference]: With dead ends: 133 [2018-10-10 16:48:00,060 INFO L226 Difference]: Without dead ends: 133 [2018-10-10 16:48:00,061 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=440, Invalid=1366, Unknown=0, NotChecked=0, Total=1806 [2018-10-10 16:48:00,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-10 16:48:00,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2018-10-10 16:48:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-10 16:48:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-10-10 16:48:00,072 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 88 [2018-10-10 16:48:00,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:48:00,073 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-10-10 16:48:00,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-10 16:48:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-10-10 16:48:00,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-10 16:48:00,077 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:48:00,077 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] [2018-10-10 16:48:00,078 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:48:00,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:48:00,078 INFO L82 PathProgramCache]: Analyzing trace with hash 2005712396, now seen corresponding path program 3 times [2018-10-10 16:48:00,079 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:48:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:48:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:48:01,039 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:48:01,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-10-10 16:48:01,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-10 16:48:01,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-10 16:48:01,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2018-10-10 16:48:01,041 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 25 states. [2018-10-10 16:48:03,112 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-10 16:48:03,398 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-10 16:48:03,546 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-10 16:48:04,204 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2018-10-10 16:48:04,534 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2018-10-10 16:48:04,751 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-10 16:48:04,963 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-10 16:48:05,230 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2018-10-10 16:48:05,594 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-10-10 16:48:05,879 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2018-10-10 16:48:06,111 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2018-10-10 16:48:06,423 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-10-10 16:48:06,673 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-10 16:48:06,881 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-10 16:48:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:48:06,890 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-10-10 16:48:06,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-10-10 16:48:06,893 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 111 [2018-10-10 16:48:06,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:48:06,894 INFO L225 Difference]: With dead ends: 131 [2018-10-10 16:48:06,894 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:48:06,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=775, Invalid=2195, Unknown=0, NotChecked=0, Total=2970 [2018-10-10 16:48:06,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:48:06,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:48:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:48:06,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:48:06,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2018-10-10 16:48:06,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:48:06,897 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:48:06,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-10 16:48:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:48:06,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:48:06,902 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 10.10 04:48:06 BasicIcfg [2018-10-10 16:48:06,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:48:06,903 INFO L168 Benchmark]: Toolchain (without parser) took 29446.96 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -482.1 MB). Peak memory consumption was 721.7 MB. Max. memory is 7.1 GB. [2018-10-10 16:48:06,904 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:48:06,905 INFO L168 Benchmark]: Boogie Preprocessor took 58.59 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 16:48:06,905 INFO L168 Benchmark]: RCFGBuilder took 578.35 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 16:48:06,906 INFO L168 Benchmark]: IcfgTransformer took 8979.76 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: -246.2 MB). Peak memory consumption was 194.7 MB. Max. memory is 7.1 GB. [2018-10-10 16:48:06,907 INFO L168 Benchmark]: TraceAbstraction took 19825.08 ms. Allocated memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: 762.8 MB). Free memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: -267.6 MB). Peak memory consumption was 495.3 MB. Max. memory is 7.1 GB. [2018-10-10 16:48:06,911 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.59 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 578.35 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 8979.76 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: -246.2 MB). Peak memory consumption was 194.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19825.08 ms. Allocated memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: 762.8 MB). Free memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: -267.6 MB). Peak memory consumption was 495.3 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) : 6108.71 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, 19.7s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 14.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 212 SDtfs, 3118 SDslu, 1758 SDs, 0 SdLazy, 1910 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 14.7s 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, 0.2s SatisfiabilityAnalysisTime, 4.2s 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-0-2018-10-10_16-48-06-928.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-0-2018-10-10_16-48-06-928.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-0-2018-10-10_16-48-06-928.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...