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/cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 22:39:26,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 22:39:26,687 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 22:39:26,700 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 22:39:26,700 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 22:39:26,701 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 22:39:26,702 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 22:39:26,704 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 22:39:26,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 22:39:26,707 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 22:39:26,708 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 22:39:26,708 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 22:39:26,709 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 22:39:26,710 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 22:39:26,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 22:39:26,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 22:39:26,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 22:39:26,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 22:39:26,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 22:39:26,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 22:39:26,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 22:39:26,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 22:39:26,723 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-12 22:39:26,736 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 22:39:26,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 22:39:26,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 22:39:26,747 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 22:39:26,747 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 22:39:26,747 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 22:39:26,747 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 22:39:26,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 22:39:26,748 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 22:39:26,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 22:39:26,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 22:39:26,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 22:39:26,749 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 22:39:26,749 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 22:39:26,750 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 22:39:26,751 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 22:39:26,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 22:39:26,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 22:39:26,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 22:39:26,835 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 22:39:26,835 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 22:39:26,836 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl [2018-10-12 22:39:26,836 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl' [2018-10-12 22:39:26,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 22:39:26,917 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 22:39:26,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 22:39:26,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 22:39:26,918 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 22:39:26,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:39:26" (1/1) ... [2018-10-12 22:39:26,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:39:26" (1/1) ... [2018-10-12 22:39:26,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:39:26" (1/1) ... [2018-10-12 22:39:26,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:39:26" (1/1) ... [2018-10-12 22:39:26,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:39:26" (1/1) ... [2018-10-12 22:39:26,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:39:26" (1/1) ... [2018-10-12 22:39:26,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:39:26" (1/1) ... [2018-10-12 22:39:26,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 22:39:26,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 22:39:26,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 22:39:26,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 22:39:26,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:39:26" (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 [2018-10-12 22:39:27,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 22:39:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 22:39:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 22:39:27,535 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 22:39:27,536 INFO L202 PluginConnector]: Adding new model cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:39:27 BoogieIcfgContainer [2018-10-12 22:39:27,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 22:39:27,537 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 22:39:27,537 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 22:39:27,538 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 22:39:27,542 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:39:27" (1/1) ... [2018-10-12 22:39:27,552 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 22:39:27,552 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 22:39:27,593 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 22:39:27,640 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 22:39:27,656 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 22:39:27,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 22:39:34,831 INFO L315 AbstractInterpreter]: Visited 50 different actions 82 times. Merged at 15 different actions 30 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 22:39:34,833 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 22:39:34,839 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 22:39:34,853 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_7|) |v_ULTIMATE.start_read~int_#ptr.offset_5|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-12 22:39:34,947 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 22:39:34,948 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:39:34,948 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:39:34,949 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 22:39:34,950 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 22:39:34,950 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:39:34,950 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:39:34,950 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:39:34,950 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:39:34,951 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:39:34,951 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 22:39:34,951 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 22:39:34,951 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:39:34,952 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:39:34,952 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:39:34,953 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 22:39:34,984 INFO L202 PluginConnector]: Adding new model cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:39:34 BasicIcfg [2018-10-12 22:39:34,985 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 22:39:34,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 22:39:34,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 22:39:34,994 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 22:39:34,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:39:26" (1/3) ... [2018-10-12 22:39:34,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b594ec and model type cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:39:34, skipping insertion in model container [2018-10-12 22:39:34,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:39:27" (2/3) ... [2018-10-12 22:39:34,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b594ec and model type cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:39:34, skipping insertion in model container [2018-10-12 22:39:34,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:39:34" (3/3) ... [2018-10-12 22:39:34,998 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 22:39:35,008 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 22:39:35,019 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 22:39:35,037 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 22:39:35,062 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 22:39:35,063 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 22:39:35,063 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 22:39:35,063 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 22:39:35,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 22:39:35,064 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 22:39:35,068 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 22:39:35,068 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 22:39:35,068 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 22:39:35,083 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-10-12 22:39:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-12 22:39:35,091 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:39:35,092 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] [2018-10-12 22:39:35,093 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:39:35,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:39:35,099 INFO L82 PathProgramCache]: Analyzing trace with hash -476665265, now seen corresponding path program 1 times [2018-10-12 22:39:35,168 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:39:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:39:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:39:36,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 22:39:36,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-12 22:39:36,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-12 22:39:36,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-12 22:39:36,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-10-12 22:39:36,418 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 12 states. [2018-10-12 22:39:37,296 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-10-12 22:39:37,586 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-10-12 22:39:37,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:39:37,728 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-10-12 22:39:37,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-12 22:39:37,795 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-10-12 22:39:37,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:39:37,806 INFO L225 Difference]: With dead ends: 62 [2018-10-12 22:39:37,806 INFO L226 Difference]: Without dead ends: 62 [2018-10-12 22:39:37,808 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2018-10-12 22:39:37,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-10-12 22:39:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 51. [2018-10-12 22:39:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-10-12 22:39:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-10-12 22:39:37,852 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 37 [2018-10-12 22:39:37,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:39:37,852 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-10-12 22:39:37,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-12 22:39:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-10-12 22:39:37,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-12 22:39:37,857 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:39:37,857 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 22:39:37,857 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:39:37,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:39:37,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1134501795, now seen corresponding path program 1 times [2018-10-12 22:39:37,859 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:39:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:39:38,420 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-12 22:39:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:39:38,956 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:39:38,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-12 22:39:38,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-12 22:39:38,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-12 22:39:38,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-10-12 22:39:38,959 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 20 states. [2018-10-12 22:39:40,076 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-12 22:39:40,650 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-10-12 22:39:41,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:39:41,157 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-10-12 22:39:41,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-12 22:39:41,158 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 50 [2018-10-12 22:39:41,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:39:41,160 INFO L225 Difference]: With dead ends: 75 [2018-10-12 22:39:41,160 INFO L226 Difference]: Without dead ends: 75 [2018-10-12 22:39:41,162 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=384, Invalid=1022, Unknown=0, NotChecked=0, Total=1406 [2018-10-12 22:39:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-10-12 22:39:41,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 64. [2018-10-12 22:39:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-10-12 22:39:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-10-12 22:39:41,169 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 50 [2018-10-12 22:39:41,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:39:41,170 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-10-12 22:39:41,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-12 22:39:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-10-12 22:39:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-12 22:39:41,172 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:39:41,172 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-10-12 22:39:41,173 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:39:41,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:39:41,173 INFO L82 PathProgramCache]: Analyzing trace with hash 511668495, now seen corresponding path program 2 times [2018-10-12 22:39:41,177 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:39:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:39:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:39:42,043 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:39:42,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-10-12 22:39:42,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-12 22:39:42,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-12 22:39:42,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2018-10-12 22:39:42,044 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 22 states. [2018-10-12 22:39:42,765 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-12 22:39:42,970 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-12 22:39:43,114 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-12 22:39:43,414 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-12 22:39:43,691 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-10-12 22:39:43,860 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-12 22:39:44,204 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2018-10-12 22:39:44,542 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2018-10-12 22:39:44,909 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2018-10-12 22:39:45,289 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2018-10-12 22:39:45,593 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2018-10-12 22:39:45,886 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2018-10-12 22:39:46,070 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-12 22:39:46,426 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-12 22:39:46,600 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-12 22:39:46,884 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-12 22:39:46,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:39:46,972 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-10-12 22:39:46,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-12 22:39:46,973 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 63 [2018-10-12 22:39:46,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:39:46,976 INFO L225 Difference]: With dead ends: 88 [2018-10-12 22:39:46,976 INFO L226 Difference]: Without dead ends: 88 [2018-10-12 22:39:46,977 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=440, Invalid=1366, Unknown=0, NotChecked=0, Total=1806 [2018-10-12 22:39:46,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-10-12 22:39:46,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 77. [2018-10-12 22:39:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-10-12 22:39:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-10-12 22:39:46,994 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 63 [2018-10-12 22:39:46,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:39:46,996 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-10-12 22:39:46,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-12 22:39:46,997 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-10-12 22:39:47,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-12 22:39:47,002 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:39:47,002 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-10-12 22:39:47,003 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:39:47,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:39:47,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1791037853, now seen corresponding path program 3 times [2018-10-12 22:39:47,005 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:39:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:39:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:39:47,748 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:39:47,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-10-12 22:39:47,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-12 22:39:47,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-12 22:39:47,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=502, Unknown=0, NotChecked=0, Total=552 [2018-10-12 22:39:47,749 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 24 states. [2018-10-12 22:39:49,849 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2018-10-12 22:39:50,108 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2018-10-12 22:39:50,387 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2018-10-12 22:39:50,632 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2018-10-12 22:39:51,167 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2018-10-12 22:39:51,375 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-12 22:39:51,560 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-12 22:39:51,796 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2018-10-12 22:39:52,093 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2018-10-12 22:39:52,385 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2018-10-12 22:39:52,614 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2018-10-12 22:39:53,056 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2018-10-12 22:39:53,304 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-12 22:39:53,528 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-12 22:39:53,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:39:53,542 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-10-12 22:39:53,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-12 22:39:53,543 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 76 [2018-10-12 22:39:53,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:39:53,544 INFO L225 Difference]: With dead ends: 86 [2018-10-12 22:39:53,544 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 22:39:53,546 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=736, Invalid=2020, Unknown=0, NotChecked=0, Total=2756 [2018-10-12 22:39:53,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 22:39:53,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 22:39:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 22:39:53,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 22:39:53,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-10-12 22:39:53,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:39:53,547 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 22:39:53,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-12 22:39:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 22:39:53,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 22:39:53,551 INFO L202 PluginConnector]: Adding new model cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:39:53 BasicIcfg [2018-10-12 22:39:53,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 22:39:53,552 INFO L168 Benchmark]: Toolchain (without parser) took 26635.65 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -367.2 MB). Peak memory consumption was 826.6 MB. Max. memory is 7.1 GB. [2018-10-12 22:39:53,553 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-10-12 22:39:53,554 INFO L168 Benchmark]: Boogie Preprocessor took 50.35 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. [2018-10-12 22:39:53,554 INFO L168 Benchmark]: RCFGBuilder took 567.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-12 22:39:53,555 INFO L168 Benchmark]: IcfgTransformer took 7448.27 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 440.9 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 180.3 MB). Peak memory consumption was 621.2 MB. Max. memory is 7.1 GB. [2018-10-12 22:39:53,556 INFO L168 Benchmark]: TraceAbstraction took 18561.77 ms. Allocated memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: 752.9 MB). Free memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: -568.6 MB). Peak memory consumption was 184.3 MB. Max. memory is 7.1 GB. [2018-10-12 22:39:53,560 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 0.21 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 50.35 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 567.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 7448.27 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 440.9 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 180.3 MB). Peak memory consumption was 621.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18561.77 ms. Allocated memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: 752.9 MB). Free memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: -568.6 MB). Peak memory consumption was 184.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 48 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 1073 LocStat_NO_SUPPORTING_DISEQUALITIES : 131 LocStat_NO_DISJUNCTIONS : -96 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 50 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 50 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 50 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 6251.50 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 84 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 50 different actions 82 times. Merged at 15 different actions 30 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 4 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 COUNT_ARRAY_READS for [#memory_int, ULTIMATE.start_write~int_old_#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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, 50 locations, 1 error locations. SAFE Result, 18.4s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 14.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 143 SDtfs, 1886 SDslu, 1254 SDs, 0 SdLazy, 1481 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 14.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred 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, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 181290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/70 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/cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_22-39-53-577.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_22-39-53-577.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cstrlen-alloca_true-valid-memsafety_true-termination.i_6.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_22-39-53-577.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...