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-b8f97f7-m [2018-10-10 16:41:38,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:41:38,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:41:38,091 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:41:38,091 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:41:38,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:41:38,094 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:41:38,095 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:41:38,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:41:38,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:41:38,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:41:38,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:41:38,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:41:38,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:41:38,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:41:38,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:41:38,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:41:38,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:41:38,116 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:41:38,118 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:41:38,119 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:41:38,121 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:41:38,125 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:41:38,126 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:41:38,126 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:41:38,127 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:41:38,128 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:41:38,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:41:38,129 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:41:38,130 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:41:38,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:41:38,131 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:41:38,132 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:41:38,132 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:41:38,133 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:41:38,133 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:41:38,134 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 16:41:38,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:41:38,144 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:41:38,144 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:41:38,145 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:41:38,145 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:41:38,145 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:41:38,146 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:41:38,146 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:41:38,146 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:41:38,146 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:41:38,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:41:38,147 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:41:38,147 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:41:38,148 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:41:38,148 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:41:38,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:41:38,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:41:38,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:41:38,214 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:41:38,215 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:41:38,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl [2018-10-10 16:41:38,216 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl' [2018-10-10 16:41:38,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:41:38,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:41:38,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:41:38,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:41:38,305 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:41:38,334 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 10.10 04:41:38" (1/1) ... [2018-10-10 16:41:38,336 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 10.10 04:41:38" (1/1) ... [2018-10-10 16:41:38,357 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 10.10 04:41:38" (1/1) ... [2018-10-10 16:41:38,358 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 10.10 04:41:38" (1/1) ... [2018-10-10 16:41:38,374 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 10.10 04:41:38" (1/1) ... [2018-10-10 16:41:38,382 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 10.10 04:41:38" (1/1) ... [2018-10-10 16:41:38,384 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 10.10 04:41:38" (1/1) ... [2018-10-10 16:41:38,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:41:38,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:41:38,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:41:38,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:41:38,398 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 10.10 04:41:38" (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 16:41:38,463 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:41:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:41:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:41:39,140 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:41:39,141 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 10.10 04:41:39 BoogieIcfgContainer [2018-10-10 16:41:39,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:41:39,142 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:41:39,142 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:41:39,143 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:41:39,147 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 10.10 04:41:39" (1/1) ... [2018-10-10 16:41:39,156 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:41:39,157 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:41:39,204 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:41:39,267 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:41:39,284 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:41:39,369 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:42:33,283 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. [2018-10-10 16:42:33,286 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:42:33,291 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:42:33,365 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];) [2018-10-10 16:42:33,448 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_4_1_1| |v_ULTIMATE.start_write~int_#ptr.base_12|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-10 16:42:33,500 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_13|) |v_ULTIMATE.start_read~int_#ptr.offset_9|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-10 16:42:33,613 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;) [2018-10-10 16:42:33,615 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:42:33,616 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:42:33,616 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:42:33,616 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:42:33,616 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:42:33,617 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:42:33,617 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:42:33,617 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:42:33,617 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:42:33,617 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:42:33,618 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-10-10 16:42:33,618 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-10 16:42:33,618 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:42:33,618 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:42:33,619 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:42:33,620 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:42:33,738 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 10.10 04:42:33 BasicIcfg [2018-10-10 16:42:33,738 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:42:33,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:42:33,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:42:33,743 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:42:33,744 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 10.10 04:41:38" (1/3) ... [2018-10-10 16:42:33,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf2ca8 and model type openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:42:33, skipping insertion in model container [2018-10-10 16:42:33,745 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 10.10 04:41:39" (2/3) ... [2018-10-10 16:42:33,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf2ca8 and model type openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:42:33, skipping insertion in model container [2018-10-10 16:42:33,746 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 10.10 04:42:33" (3/3) ... [2018-10-10 16:42:33,747 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:42:33,757 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:42:33,768 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:42:33,785 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:42:33,811 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:42:33,812 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:42:33,812 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:42:33,814 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:42:33,814 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:42:33,814 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:42:33,814 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:42:33,814 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:42:33,815 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:42:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-10-10 16:42:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-10 16:42:33,838 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:42:33,839 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] [2018-10-10 16:42:33,840 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:42:33,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:42:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1865541245, now seen corresponding path program 1 times [2018-10-10 16:42:33,897 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:42:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:42:34,820 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 16:42:34,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:42:34,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-10 16:42:34,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 16:42:34,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 16:42:34,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-10-10 16:42:34,975 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 12 states. [2018-10-10 16:42:35,603 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-10 16:42:36,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:42:36,119 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-10-10 16:42:36,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 16:42:36,122 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 73 [2018-10-10 16:42:36,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:42:36,137 INFO L225 Difference]: With dead ends: 125 [2018-10-10 16:42:36,137 INFO L226 Difference]: Without dead ends: 125 [2018-10-10 16:42:36,139 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2018-10-10 16:42:36,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-10-10 16:42:36,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 113. [2018-10-10 16:42:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-10 16:42:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-10-10 16:42:36,184 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 73 [2018-10-10 16:42:36,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:42:36,184 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-10-10 16:42:36,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 16:42:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-10-10 16:42:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-10 16:42:36,189 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:42:36,190 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] [2018-10-10 16:42:36,190 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:42:36,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:42:36,191 INFO L82 PathProgramCache]: Analyzing trace with hash 467249084, now seen corresponding path program 1 times [2018-10-10 16:42:36,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:42:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:42:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:42:37,760 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:42:37,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-10-10 16:42:37,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-10 16:42:37,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-10 16:42:37,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2018-10-10 16:42:37,763 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 28 states. [2018-10-10 16:42:39,485 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2018-10-10 16:42:39,712 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-10-10 16:42:40,001 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2018-10-10 16:42:40,156 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-10 16:42:40,390 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2018-10-10 16:42:40,731 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-10 16:42:41,107 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2018-10-10 16:42:41,406 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2018-10-10 16:42:41,705 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2018-10-10 16:42:42,777 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-10 16:42:43,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:42:43,576 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-10-10 16:42:43,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-10-10 16:42:43,583 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 112 [2018-10-10 16:42:43,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:42:43,589 INFO L225 Difference]: With dead ends: 164 [2018-10-10 16:42:43,593 INFO L226 Difference]: Without dead ends: 164 [2018-10-10 16:42:43,595 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=657, Invalid=2423, Unknown=0, NotChecked=0, Total=3080 [2018-10-10 16:42:43,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-10-10 16:42:43,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2018-10-10 16:42:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-10-10 16:42:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-10-10 16:42:43,620 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 112 [2018-10-10 16:42:43,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:42:43,621 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-10-10 16:42:43,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-10 16:42:43,621 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-10-10 16:42:43,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-10 16:42:43,625 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:42:43,625 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] [2018-10-10 16:42:43,626 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:42:43,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:42:43,627 INFO L82 PathProgramCache]: Analyzing trace with hash 340331933, now seen corresponding path program 2 times [2018-10-10 16:42:43,628 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:42:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:42:44,952 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-10-10 16:42:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:42:46,026 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:42:46,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-10-10 16:42:46,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-10-10 16:42:46,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-10-10 16:42:46,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1312, Unknown=0, NotChecked=0, Total=1406 [2018-10-10 16:42:46,028 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 38 states. [2018-10-10 16:42:47,923 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-10 16:42:48,278 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-10-10 16:42:48,489 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-10 16:42:48,876 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-10 16:42:49,053 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 16:42:49,297 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-10 16:42:49,602 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-10 16:42:49,806 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-10-10 16:42:50,445 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2018-10-10 16:42:50,883 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2018-10-10 16:42:51,333 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-10-10 16:42:51,612 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-10 16:42:51,858 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-10 16:42:52,146 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-10 16:42:52,606 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2018-10-10 16:42:53,165 WARN L178 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-10-10 16:42:53,683 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2018-10-10 16:42:54,166 WARN L178 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2018-10-10 16:42:54,358 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 16:42:54,573 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-10 16:42:54,882 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 16:42:55,155 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-10-10 16:42:55,376 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-10-10 16:42:55,666 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2018-10-10 16:42:55,922 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2018-10-10 16:42:56,243 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-10 16:42:56,495 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-10 16:42:56,849 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-10 16:42:57,183 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-10 16:42:57,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:42:57,252 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-10-10 16:42:57,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-10-10 16:42:57,253 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 151 [2018-10-10 16:42:57,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:42:57,257 INFO L225 Difference]: With dead ends: 203 [2018-10-10 16:42:57,257 INFO L226 Difference]: Without dead ends: 203 [2018-10-10 16:42:57,259 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 997 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=1102, Invalid=5060, Unknown=0, NotChecked=0, Total=6162 [2018-10-10 16:42:57,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-10-10 16:42:57,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2018-10-10 16:42:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-10-10 16:42:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-10-10 16:42:57,273 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 151 [2018-10-10 16:42:57,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:42:57,274 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-10-10 16:42:57,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-10-10 16:42:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-10-10 16:42:57,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-10 16:42:57,277 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:42:57,277 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] [2018-10-10 16:42:57,278 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:42:57,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:42:57,278 INFO L82 PathProgramCache]: Analyzing trace with hash -296567652, now seen corresponding path program 3 times [2018-10-10 16:42:57,279 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:42:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:42:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-10 16:42:59,473 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:42:59,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-10-10 16:42:59,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-10-10 16:42:59,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-10-10 16:42:59,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1306, Unknown=0, NotChecked=0, Total=1406 [2018-10-10 16:42:59,476 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 38 states. [2018-10-10 16:43:01,201 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-10 16:43:01,601 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-10-10 16:43:01,916 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2018-10-10 16:43:02,666 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 112 [2018-10-10 16:43:03,085 WARN L178 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2018-10-10 16:43:03,691 WARN L178 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2018-10-10 16:43:04,315 WARN L178 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 126 [2018-10-10 16:43:04,999 WARN L178 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 129 [2018-10-10 16:43:05,642 WARN L178 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2018-10-10 16:43:06,325 WARN L178 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2018-10-10 16:43:06,983 WARN L178 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2018-10-10 16:43:07,167 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-10 16:43:07,325 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 16:43:07,512 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-10 16:43:07,710 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-10 16:43:08,271 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-10 16:43:08,457 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-10 16:43:08,852 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2018-10-10 16:43:09,326 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-10-10 16:43:09,680 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2018-10-10 16:43:10,042 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 118 [2018-10-10 16:43:10,476 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2018-10-10 16:43:11,051 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 125 [2018-10-10 16:43:11,754 WARN L178 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2018-10-10 16:43:12,394 WARN L178 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 133 [2018-10-10 16:43:13,065 WARN L178 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 136 [2018-10-10 16:43:13,790 WARN L178 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2018-10-10 16:43:13,989 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-10 16:43:14,168 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-10-10 16:43:14,361 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-10 16:43:14,561 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-10 16:43:14,758 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-10 16:43:15,118 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-10-10 16:43:15,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:43:15,125 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-10-10 16:43:15,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-10-10 16:43:15,126 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 190 [2018-10-10 16:43:15,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:43:15,128 INFO L225 Difference]: With dead ends: 189 [2018-10-10 16:43:15,128 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:43:15,130 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=1551, Invalid=5759, Unknown=0, NotChecked=0, Total=7310 [2018-10-10 16:43:15,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:43:15,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:43:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:43:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:43:15,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2018-10-10 16:43:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:43:15,131 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:43:15,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-10-10 16:43:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:43:15,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:43:15,135 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 10.10 04:43:15 BasicIcfg [2018-10-10 16:43:15,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:43:15,136 INFO L168 Benchmark]: Toolchain (without parser) took 96838.07 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: -2.0 GB). Peak memory consumption was 192.8 MB. Max. memory is 7.1 GB. [2018-10-10 16:43:15,137 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:43:15,137 INFO L168 Benchmark]: Boogie Preprocessor took 86.89 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 16:43:15,138 INFO L168 Benchmark]: RCFGBuilder took 751.28 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 16:43:15,138 INFO L168 Benchmark]: IcfgTransformer took 54596.62 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-10 16:43:15,139 INFO L168 Benchmark]: TraceAbstraction took 41395.50 ms. Allocated memory was 3.5 GB in the beginning and 3.8 GB in the end (delta: 275.8 MB). Free memory was 3.3 GB in the beginning and 3.5 GB in the end (delta: -188.9 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2018-10-10 16:43:15,143 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.89 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 751.28 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 54596.62 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * TraceAbstraction took 41395.50 ms. Allocated memory was 3.5 GB in the beginning and 3.8 GB in the end (delta: 275.8 MB). Free memory was 3.3 GB in the beginning and 3.5 GB in the end (delta: -188.9 MB). Peak memory consumption was 86.8 MB. 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) : 40256.87 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, 41.3s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 34.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 301 SDtfs, 5183 SDslu, 3853 SDs, 0 SdLazy, 4293 SolverSat, 233 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 8 SyntacticMatches, 4 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2418 ImplicationChecksByTransitivity, 32.6s 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, 6.4s 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-0-2018-10-10_16-43-15-159.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-0-2018-10-10_16-43-15-159.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-0-2018-10-10_16-43-15-159.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...