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/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:37:17,680 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:37:17,682 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:37:17,703 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:37:17,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:37:17,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:37:17,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:37:17,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:37:17,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:37:17,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:37:17,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:37:17,713 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:37:17,714 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:37:17,715 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:37:17,716 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:37:17,717 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:37:17,718 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:37:17,720 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:37:17,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:37:17,724 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:37:17,725 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:37:17,727 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:37:17,729 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 16:37:17,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:37:17,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:37:17,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:37:17,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:37:17,742 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 16:37:17,752 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:37:17,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:37:17,754 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:37:17,754 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:37:17,754 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:37:17,754 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:37:17,755 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:37:17,755 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:37:17,756 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:37:17,756 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:37:17,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:37:17,756 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:37:17,757 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:37:17,758 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:37:17,758 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:37:17,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:37:17,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:37:17,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:37:17,817 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:37:17,818 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:37:17,818 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl [2018-10-10 16:37:17,819 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl' [2018-10-10 16:37:17,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:37:17,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:37:17,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:37:17,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:37:17,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:37:17,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:17" (1/1) ... [2018-10-10 16:37:17,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:17" (1/1) ... [2018-10-10 16:37:17,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:17" (1/1) ... [2018-10-10 16:37:17,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:17" (1/1) ... [2018-10-10 16:37:17,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:17" (1/1) ... [2018-10-10 16:37:17,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:17" (1/1) ... [2018-10-10 16:37:17,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:17" (1/1) ... [2018-10-10 16:37:17,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:37:17,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:37:17,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:37:17,956 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:37:17,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:17" (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 16:37:18,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:37:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:37:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:37:18,637 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:37:18,638 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:37:18 BoogieIcfgContainer [2018-10-10 16:37:18,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:37:18,639 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:37:18,639 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:37:18,640 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:37:18,644 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:37:18" (1/1) ... [2018-10-10 16:37:18,654 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:37:18,654 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:37:18,698 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:37:18,742 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:37:18,759 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:37:18,841 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:37:45,107 INFO L315 AbstractInterpreter]: Visited 77 different actions 126 times. Merged at 22 different actions 47 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:37:45,110 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:37:45,114 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:37:45,167 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_13|) 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 16:37:45,253 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_7|) at (assume #memory_int == 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]];) [2018-10-10 16:37:45,254 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:37:45,255 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:37:45,255 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:37:45,255 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:37:45,255 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:37:45,255 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:37:45,256 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:37:45,256 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:37:45,256 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:37:45,256 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:37:45,256 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:37:45,257 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:37:45,257 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:37:45,257 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:37:45,257 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:37:45,259 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:37:45,276 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:37:45 BasicIcfg [2018-10-10 16:37:45,276 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:37:45,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:37:45,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:37:45,284 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:37:45,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:17" (1/3) ... [2018-10-10 16:37:45,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98a998 and model type lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:37:45, skipping insertion in model container [2018-10-10 16:37:45,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:37:18" (2/3) ... [2018-10-10 16:37:45,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98a998 and model type lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:37:45, skipping insertion in model container [2018-10-10 16:37:45,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:37:45" (3/3) ... [2018-10-10 16:37:45,290 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:37:45,300 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:37:45,308 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:37:45,326 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:37:45,351 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:37:45,352 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:37:45,352 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:37:45,353 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:37:45,353 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:37:45,353 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:37:45,354 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:37:45,354 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:37:45,354 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:37:45,368 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-10-10 16:37:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-10 16:37:45,375 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:37:45,376 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] [2018-10-10 16:37:45,377 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:37:45,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:37:45,382 INFO L82 PathProgramCache]: Analyzing trace with hash 944542027, now seen corresponding path program 1 times [2018-10-10 16:37:45,437 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:37:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:37:46,586 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 16:37:46,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:37:46,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-10 16:37:46,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 16:37:46,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 16:37:46,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-10-10 16:37:46,707 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 16 states. [2018-10-10 16:37:47,167 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-10 16:37:48,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:37:48,642 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-10-10 16:37:48,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-10 16:37:48,644 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 59 [2018-10-10 16:37:48,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:37:48,658 INFO L225 Difference]: With dead ends: 94 [2018-10-10 16:37:48,658 INFO L226 Difference]: Without dead ends: 94 [2018-10-10 16:37:48,663 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=364, Invalid=968, Unknown=0, NotChecked=0, Total=1332 [2018-10-10 16:37:48,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-10-10 16:37:48,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 80. [2018-10-10 16:37:48,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-10-10 16:37:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-10 16:37:48,715 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 59 [2018-10-10 16:37:48,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:37:48,716 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-10-10 16:37:48,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 16:37:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-10 16:37:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-10 16:37:48,720 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:37:48,720 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-10 16:37:48,721 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:37:48,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:37:48,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1729576631, now seen corresponding path program 1 times [2018-10-10 16:37:48,723 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:37:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:37:49,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:37:49,218 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:37:49,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-10-10 16:37:49,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-10 16:37:49,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-10 16:37:49,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-10-10 16:37:49,221 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 17 states. [2018-10-10 16:37:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:37:50,586 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-10-10 16:37:50,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 16:37:50,592 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 79 [2018-10-10 16:37:50,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:37:50,595 INFO L225 Difference]: With dead ends: 114 [2018-10-10 16:37:50,595 INFO L226 Difference]: Without dead ends: 114 [2018-10-10 16:37:50,596 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=322, Invalid=1010, Unknown=0, NotChecked=0, Total=1332 [2018-10-10 16:37:50,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-10-10 16:37:50,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 100. [2018-10-10 16:37:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-10 16:37:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-10-10 16:37:50,613 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 79 [2018-10-10 16:37:50,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:37:50,614 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-10-10 16:37:50,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-10 16:37:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-10-10 16:37:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-10 16:37:50,618 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:37:50,619 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-10-10 16:37:50,619 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:37:50,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:37:50,621 INFO L82 PathProgramCache]: Analyzing trace with hash -78578141, now seen corresponding path program 2 times [2018-10-10 16:37:50,622 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:37:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:37:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:37:51,203 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:37:51,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-10 16:37:51,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-10 16:37:51,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-10 16:37:51,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2018-10-10 16:37:51,204 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 20 states. [2018-10-10 16:37:53,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:37:53,172 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-10-10 16:37:53,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-10-10 16:37:53,173 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 99 [2018-10-10 16:37:53,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:37:53,174 INFO L225 Difference]: With dead ends: 112 [2018-10-10 16:37:53,175 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:37:53,177 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=420, Invalid=1472, Unknown=0, NotChecked=0, Total=1892 [2018-10-10 16:37:53,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:37:53,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:37:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:37:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:37:53,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2018-10-10 16:37:53,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:37:53,179 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:37:53,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-10 16:37:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:37:53,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:37:53,183 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:37:53 BasicIcfg [2018-10-10 16:37:53,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:37:53,184 INFO L168 Benchmark]: Toolchain (without parser) took 35298.08 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 614.3 MB. Max. memory is 7.1 GB. [2018-10-10 16:37:53,186 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. [2018-10-10 16:37:53,186 INFO L168 Benchmark]: Boogie Preprocessor took 66.47 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 16:37:53,187 INFO L168 Benchmark]: RCFGBuilder took 683.34 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 16:37:53,188 INFO L168 Benchmark]: IcfgTransformer took 26637.37 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -378.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-10 16:37:53,189 INFO L168 Benchmark]: TraceAbstraction took 7905.42 ms. Allocated memory was 3.1 GB in the beginning and 3.6 GB in the end (delta: 528.0 MB). Free memory was 1.8 GB in the beginning and 2.9 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:37:53,193 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 66.47 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 683.34 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 26637.37 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -378.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * TraceAbstraction took 7905.42 ms. Allocated memory was 3.1 GB in the beginning and 3.6 GB in the end (delta: 528.0 MB). Free memory was 1.8 GB in the beginning and 2.9 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 75 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 1987 LocStat_NO_SUPPORTING_DISEQUALITIES : 391 LocStat_NO_DISJUNCTIONS : -150 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 77 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 78 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 77 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 7895.34 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 128 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 77 different actions 126 times. Merged at 22 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] : 0 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 : 1 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: 149]: 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, 77 locations, 1 error locations. SAFE Result, 7.8s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 5.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 163 SDtfs, 1575 SDslu, 912 SDs, 0 SdLazy, 1112 SolverSat, 130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=2, 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, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 163192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/35 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/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-37-53-210.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-37-53-210.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-37-53-210.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...