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_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:35:09,906 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:35:09,908 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:35:09,926 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:35:09,926 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:35:09,927 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:35:09,929 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:35:09,931 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:35:09,934 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:35:09,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:35:09,937 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:35:09,937 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:35:09,938 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:35:09,939 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:35:09,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:35:09,951 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:35:09,952 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:35:09,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:35:09,959 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:35:09,961 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:35:09,963 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:35:09,967 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:35:09,972 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:35:09,972 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:35:09,972 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:35:09,973 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:35:09,975 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:35:09,976 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:35:09,978 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:35:09,979 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:35:09,981 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:35:09,982 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 18:35:09,982 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 18:35:09,982 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 18:35:09,983 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 18:35:09,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 18:35:09,984 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 18:35:09,993 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:35:09,993 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:35:09,994 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:35:09,994 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:35:09,994 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:35:09,994 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:35:09,995 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:35:09,995 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:35:09,995 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:35:09,996 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:35:09,996 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:35:09,996 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:35:09,996 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:35:09,997 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:35:09,997 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:35:10,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:35:10,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:35:10,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:35:10,083 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:35:10,084 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:35:10,085 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl [2018-10-14 18:35:10,085 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl' [2018-10-14 18:35:10,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:35:10,167 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:35:10,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:35:10,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:35:10,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:35:10,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:10" (1/1) ... [2018-10-14 18:35:10,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:10" (1/1) ... [2018-10-14 18:35:10,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:10" (1/1) ... [2018-10-14 18:35:10,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:10" (1/1) ... [2018-10-14 18:35:10,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:10" (1/1) ... [2018-10-14 18:35:10,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:10" (1/1) ... [2018-10-14 18:35:10,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:10" (1/1) ... [2018-10-14 18:35:10,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:35:10,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:35:10,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:35:10,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:35:10,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 18:35:10,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:35:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:35:10,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:35:10,989 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:35:10,990 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:35:10 BoogieIcfgContainer [2018-10-14 18:35:10,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:35:10,991 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:35:10,991 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:35:10,992 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:35:10,996 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:35:10" (1/1) ... [2018-10-14 18:35:11,004 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:35:11,004 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:35:11,047 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:35:11,101 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:35:11,120 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:35:11,184 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:36:10,352 INFO L315 AbstractInterpreter]: Visited 102 different actions 150 times. Merged at 41 different actions 47 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:36:10,354 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:36:10,361 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:36:10,416 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 read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-14 18:36:10,474 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_4_1_1| |v_ULTIMATE.start_write~int_#ptr.base_12|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-14 18:36:10,518 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];) [2018-10-14 18:36:10,595 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_6|) |v_ULTIMATE.start_read~int_#ptr.offset_4|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-14 18:36:10,597 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:36:10,597 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:36:10,598 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:36:10,598 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-14 18:36:10,598 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:36:10,598 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:36:10,599 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:36:10,599 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:36:10,599 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:36:10,599 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:36:10,599 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-14 18:36:10,600 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-14 18:36:10,600 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:36:10,601 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:36:10,601 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:36:10,603 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:36:10,635 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:36:10 BasicIcfg [2018-10-14 18:36:10,639 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:36:10,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:36:10,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:36:10,647 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:36:10,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:35:10" (1/3) ... [2018-10-14 18:36:10,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714da99b and model type openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:36:10, skipping insertion in model container [2018-10-14 18:36:10,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:35:10" (2/3) ... [2018-10-14 18:36:10,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714da99b and model type openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:36:10, skipping insertion in model container [2018-10-14 18:36:10,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:36:10" (3/3) ... [2018-10-14 18:36:10,656 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:36:10,665 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:36:10,677 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:36:10,696 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:36:10,724 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:36:10,725 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:36:10,725 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:36:10,725 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:36:10,726 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:36:10,726 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:36:10,726 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:36:10,726 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:36:10,726 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:36:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-10-14 18:36:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-14 18:36:10,770 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:36:10,772 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:36:10,773 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:36:10,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:36:10,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1865541245, now seen corresponding path program 1 times [2018-10-14 18:36:10,842 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:36:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:36:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:36:11,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:36:11,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-14 18:36:11,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-14 18:36:11,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-14 18:36:11,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-10-14 18:36:11,808 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 12 states. [2018-10-14 18:36:12,570 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-14 18:36:12,818 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-14 18:36:13,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:36:13,377 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-10-14 18:36:13,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-14 18:36:13,379 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 73 [2018-10-14 18:36:13,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:36:13,393 INFO L225 Difference]: With dead ends: 125 [2018-10-14 18:36:13,393 INFO L226 Difference]: Without dead ends: 125 [2018-10-14 18:36:13,395 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2018-10-14 18:36:13,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-10-14 18:36:13,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 113. [2018-10-14 18:36:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-14 18:36:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-10-14 18:36:13,444 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 73 [2018-10-14 18:36:13,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:36:13,445 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-10-14 18:36:13,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-14 18:36:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-10-14 18:36:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-14 18:36:13,449 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:36:13,450 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:36:13,450 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:36:13,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:36:13,451 INFO L82 PathProgramCache]: Analyzing trace with hash 467249084, now seen corresponding path program 1 times [2018-10-14 18:36:13,452 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:36:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:36:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:36:14,923 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:36:14,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-10-14 18:36:14,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-14 18:36:14,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-14 18:36:14,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2018-10-14 18:36:14,926 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 28 states. [2018-10-14 18:36:16,604 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2018-10-14 18:36:16,837 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-10-14 18:36:17,108 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2018-10-14 18:36:17,263 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-14 18:36:17,505 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2018-10-14 18:36:17,828 WARN L179 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-14 18:36:18,269 WARN L179 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2018-10-14 18:36:18,568 WARN L179 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2018-10-14 18:36:18,843 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2018-10-14 18:36:20,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:36:20,580 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-10-14 18:36:20,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-10-14 18:36:20,581 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 112 [2018-10-14 18:36:20,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:36:20,588 INFO L225 Difference]: With dead ends: 164 [2018-10-14 18:36:20,588 INFO L226 Difference]: Without dead ends: 164 [2018-10-14 18:36:20,590 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=657, Invalid=2423, Unknown=0, NotChecked=0, Total=3080 [2018-10-14 18:36:20,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-10-14 18:36:20,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2018-10-14 18:36:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-10-14 18:36:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-10-14 18:36:20,621 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 112 [2018-10-14 18:36:20,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:36:20,622 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-10-14 18:36:20,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-14 18:36:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-10-14 18:36:20,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-14 18:36:20,628 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:36:20,631 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:36:20,631 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:36:20,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:36:20,632 INFO L82 PathProgramCache]: Analyzing trace with hash 340331933, now seen corresponding path program 2 times [2018-10-14 18:36:20,634 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:36:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:36:22,050 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-10-14 18:36:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:36:22,975 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:36:22,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-10-14 18:36:22,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-10-14 18:36:22,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-10-14 18:36:22,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1312, Unknown=0, NotChecked=0, Total=1406 [2018-10-14 18:36:22,977 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 38 states. [2018-10-14 18:36:24,731 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-14 18:36:25,084 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-10-14 18:36:25,309 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-14 18:36:25,706 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-14 18:36:25,891 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-14 18:36:26,148 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-14 18:36:26,472 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-14 18:36:26,702 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-10-14 18:36:27,336 WARN L179 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2018-10-14 18:36:27,796 WARN L179 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2018-10-14 18:36:28,320 WARN L179 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-10-14 18:36:28,660 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-14 18:36:28,929 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-14 18:36:29,226 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-14 18:36:29,742 WARN L179 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2018-10-14 18:36:30,218 WARN L179 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-10-14 18:36:30,712 WARN L179 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2018-10-14 18:36:31,224 WARN L179 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2018-10-14 18:36:31,426 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-14 18:36:31,652 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-14 18:36:31,981 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-14 18:36:32,303 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-10-14 18:36:32,551 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-10-14 18:36:32,891 WARN L179 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2018-10-14 18:36:33,147 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2018-10-14 18:36:33,353 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-14 18:36:33,669 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-14 18:36:34,020 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-14 18:36:34,361 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-14 18:36:34,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:36:34,431 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-10-14 18:36:34,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-10-14 18:36:34,432 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 151 [2018-10-14 18:36:34,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:36:34,436 INFO L225 Difference]: With dead ends: 203 [2018-10-14 18:36:34,437 INFO L226 Difference]: Without dead ends: 203 [2018-10-14 18:36:34,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 997 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=1102, Invalid=5060, Unknown=0, NotChecked=0, Total=6162 [2018-10-14 18:36:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-10-14 18:36:34,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2018-10-14 18:36:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-10-14 18:36:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-10-14 18:36:34,451 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 151 [2018-10-14 18:36:34,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:36:34,452 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-10-14 18:36:34,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-10-14 18:36:34,452 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-10-14 18:36:34,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-14 18:36:34,455 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:36:34,455 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:36:34,456 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:36:34,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:36:34,456 INFO L82 PathProgramCache]: Analyzing trace with hash -296567652, now seen corresponding path program 3 times [2018-10-14 18:36:34,457 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:36:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:36:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-14 18:36:36,752 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:36:36,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-10-14 18:36:36,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-10-14 18:36:36,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-10-14 18:36:36,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1306, Unknown=0, NotChecked=0, Total=1406 [2018-10-14 18:36:36,755 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 38 states. [2018-10-14 18:36:38,567 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-14 18:36:38,975 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-10-14 18:36:39,286 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2018-10-14 18:36:39,948 WARN L179 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 112 [2018-10-14 18:36:40,380 WARN L179 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2018-10-14 18:36:40,917 WARN L179 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2018-10-14 18:36:41,540 WARN L179 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 126 [2018-10-14 18:36:42,198 WARN L179 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 129 [2018-10-14 18:36:42,847 WARN L179 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2018-10-14 18:36:43,551 WARN L179 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2018-10-14 18:36:44,220 WARN L179 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2018-10-14 18:36:44,398 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-14 18:36:44,561 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-14 18:36:44,737 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-14 18:36:44,926 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-14 18:36:45,456 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-14 18:36:45,955 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2018-10-14 18:36:46,419 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-10-14 18:36:46,707 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2018-10-14 18:36:47,071 WARN L179 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 118 [2018-10-14 18:36:47,497 WARN L179 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2018-10-14 18:36:48,040 WARN L179 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 125 [2018-10-14 18:36:48,761 WARN L179 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2018-10-14 18:36:49,415 WARN L179 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 133 [2018-10-14 18:36:50,076 WARN L179 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 136 [2018-10-14 18:36:50,778 WARN L179 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2018-10-14 18:36:50,965 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-14 18:36:51,147 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-10-14 18:36:51,343 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-14 18:36:51,543 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-14 18:36:51,734 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-14 18:36:52,097 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-10-14 18:36:52,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:36:52,104 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-10-14 18:36:52,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-10-14 18:36:52,105 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 190 [2018-10-14 18:36:52,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:36:52,106 INFO L225 Difference]: With dead ends: 189 [2018-10-14 18:36:52,107 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:36:52,109 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=1551, Invalid=5759, Unknown=0, NotChecked=0, Total=7310 [2018-10-14 18:36:52,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:36:52,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:36:52,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:36:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:36:52,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2018-10-14 18:36:52,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:36:52,111 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:36:52,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-10-14 18:36:52,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:36:52,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:36:52,115 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:36:52 BasicIcfg [2018-10-14 18:36:52,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:36:52,116 INFO L168 Benchmark]: Toolchain (without parser) took 101950.33 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 236.9 MB. Max. memory is 7.1 GB. [2018-10-14 18:36:52,118 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:36:52,118 INFO L168 Benchmark]: Boogie Preprocessor took 64.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:36:52,118 INFO L168 Benchmark]: RCFGBuilder took 757.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:36:52,119 INFO L168 Benchmark]: IcfgTransformer took 59648.26 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -208.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-14 18:36:52,120 INFO L168 Benchmark]: TraceAbstraction took 41475.77 ms. Allocated memory was 3.4 GB in the beginning and 3.7 GB in the end (delta: 329.3 MB). Free memory was 1.6 GB in the beginning and 3.4 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:36:52,124 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 757.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * IcfgTransformer took 59648.26 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -208.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * TraceAbstraction took 41475.77 ms. Allocated memory was 3.4 GB in the beginning and 3.7 GB in the end (delta: 329.3 MB). Free memory was 1.6 GB in the beginning and 3.4 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 100 LocStat_MAX_WEQGRAPH_SIZE : 17 LocStat_MAX_SIZEOF_WEQEDGELABEL : 6 LocStat_NO_SUPPORTING_EQUALITIES : 3593 LocStat_NO_SUPPORTING_DISEQUALITIES : 804 LocStat_NO_DISJUNCTIONS : -200 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 102 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 100 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 102 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 43403.18 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 152 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 102 different actions 150 times. Merged at 41 different actions 47 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: 178]: 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, 102 locations, 1 error locations. SAFE Result, 41.4s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 34.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 301 SDtfs, 5183 SDslu, 3853 SDs, 0 SdLazy, 4293 SolverSat, 233 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 8 SyntacticMatches, 4 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2418 ImplicationChecksByTransitivity, 32.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=191occurred 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, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 526 NumberOfCodeBlocks, 526 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 1323351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 15/234 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_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-36-52-142.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-36-52-142.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-36-52-142.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...