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/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 22:34:05,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 22:34:05,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 22:34:05,944 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 22:34:05,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 22:34:05,946 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 22:34:05,948 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 22:34:05,951 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 22:34:05,953 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 22:34:05,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 22:34:05,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 22:34:05,958 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 22:34:05,959 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 22:34:05,960 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 22:34:05,963 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 22:34:05,971 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 22:34:05,974 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 22:34:05,976 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 22:34:05,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 22:34:05,983 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 22:34:05,984 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 22:34:05,986 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 22:34:05,988 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-12 22:34:06,003 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 22:34:06,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 22:34:06,021 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 22:34:06,021 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 22:34:06,022 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 22:34:06,022 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 22:34:06,023 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 22:34:06,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 22:34:06,024 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 22:34:06,024 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 22:34:06,024 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 22:34:06,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 22:34:06,025 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 22:34:06,025 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 22:34:06,026 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 22:34:06,027 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 22:34:06,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 22:34:06,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 22:34:06,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 22:34:06,112 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 22:34:06,112 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 22:34:06,113 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl [2018-10-12 22:34:06,114 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl' [2018-10-12 22:34:06,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 22:34:06,206 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 22:34:06,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 22:34:06,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 22:34:06,207 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 22:34:06,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:34:06" (1/1) ... [2018-10-12 22:34:06,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:34:06" (1/1) ... [2018-10-12 22:34:06,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:34:06" (1/1) ... [2018-10-12 22:34:06,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:34:06" (1/1) ... [2018-10-12 22:34:06,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:34:06" (1/1) ... [2018-10-12 22:34:06,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:34:06" (1/1) ... [2018-10-12 22:34:06,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:34:06" (1/1) ... [2018-10-12 22:34:06,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 22:34:06,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 22:34:06,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 22:34:06,287 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 22:34:06,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:34:06" (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 22:34:06,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 22:34:06,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 22:34:06,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 22:34:06,929 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 22:34:06,930 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:34:06 BoogieIcfgContainer [2018-10-12 22:34:06,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 22:34:06,931 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 22:34:06,931 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 22:34:06,932 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 22:34:06,936 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:34:06" (1/1) ... [2018-10-12 22:34:06,944 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 22:34:06,944 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 22:34:06,982 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 22:34:07,030 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 22:34:07,047 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 22:34:07,131 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 22:34:17,562 INFO L315 AbstractInterpreter]: Visited 63 different actions 118 times. Merged at 32 different actions 53 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 22:34:17,565 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 22:34:17,571 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 22:34:17,684 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 22:34:17,685 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:34:17,685 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:34:17,685 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 22:34:17,685 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 22:34:17,685 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:34:17,686 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-12 22:34:17,690 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-12 22:34:17,690 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:34:17,690 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:34:17,691 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 22:34:17,691 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 22:34:17,691 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:34:17,691 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-12 22:34:17,692 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-12 22:34:17,693 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 22:34:17,718 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:34:17 BasicIcfg [2018-10-12 22:34:17,719 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 22:34:17,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 22:34:17,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 22:34:17,725 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 22:34:17,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:34:06" (1/3) ... [2018-10-12 22:34:17,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c73639d and model type ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:34:17, skipping insertion in model container [2018-10-12 22:34:17,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:34:06" (2/3) ... [2018-10-12 22:34:17,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c73639d and model type ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:34:17, skipping insertion in model container [2018-10-12 22:34:17,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:34:17" (3/3) ... [2018-10-12 22:34:17,730 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 22:34:17,741 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 22:34:17,752 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 22:34:17,772 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 22:34:17,802 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 22:34:17,803 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 22:34:17,803 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 22:34:17,803 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 22:34:17,803 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 22:34:17,803 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 22:34:17,804 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 22:34:17,805 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 22:34:17,805 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 22:34:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-10-12 22:34:17,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-12 22:34:17,841 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:34:17,842 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] [2018-10-12 22:34:17,844 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:34:17,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:34:17,856 INFO L82 PathProgramCache]: Analyzing trace with hash -161739108, now seen corresponding path program 1 times [2018-10-12 22:34:17,931 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:34:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:34:18,503 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 22:34:18,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 22:34:18,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-12 22:34:18,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 22:34:18,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 22:34:18,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-12 22:34:18,528 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 6 states. [2018-10-12 22:34:19,244 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-12 22:34:19,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:34:19,662 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-10-12 22:34:19,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-12 22:34:19,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-10-12 22:34:19,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:34:19,776 INFO L225 Difference]: With dead ends: 93 [2018-10-12 22:34:19,777 INFO L226 Difference]: Without dead ends: 92 [2018-10-12 22:34:19,780 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-12 22:34:19,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-12 22:34:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 72. [2018-10-12 22:34:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-10-12 22:34:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-10-12 22:34:19,835 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 45 [2018-10-12 22:34:19,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:34:19,836 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-10-12 22:34:19,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 22:34:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-10-12 22:34:19,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-12 22:34:19,838 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:34:19,839 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-12 22:34:19,839 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:34:19,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:34:19,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1572819155, now seen corresponding path program 1 times [2018-10-12 22:34:19,841 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:34:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:34:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-12 22:34:21,802 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:34:21,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-10-12 22:34:21,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-12 22:34:21,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-12 22:34:21,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-10-12 22:34:21,806 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 11 states. [2018-10-12 22:34:22,546 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-12 22:34:22,706 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-12 22:34:22,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:34:22,839 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-10-12 22:34:22,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-12 22:34:22,840 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2018-10-12 22:34:22,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:34:22,841 INFO L225 Difference]: With dead ends: 70 [2018-10-12 22:34:22,841 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 22:34:22,842 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2018-10-12 22:34:22,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 22:34:22,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 22:34:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 22:34:22,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 22:34:22,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-10-12 22:34:22,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:34:22,843 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 22:34:22,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-12 22:34:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 22:34:22,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 22:34:22,848 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:34:22 BasicIcfg [2018-10-12 22:34:22,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 22:34:22,849 INFO L168 Benchmark]: Toolchain (without parser) took 16644.61 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 2.6 GB in the end (delta: -1.1 GB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2018-10-12 22:34:22,851 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 22:34:22,851 INFO L168 Benchmark]: Boogie Preprocessor took 79.46 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 22:34:22,852 INFO L168 Benchmark]: RCFGBuilder took 643.31 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-12 22:34:22,853 INFO L168 Benchmark]: IcfgTransformer took 10788.29 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 440.9 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 154.2 MB). Peak memory consumption was 595.1 MB. Max. memory is 7.1 GB. [2018-10-12 22:34:22,854 INFO L168 Benchmark]: TraceAbstraction took 5128.64 ms. Allocated memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: 732.4 MB). Free memory was 1.3 GB in the beginning and 2.6 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 22:34:22,858 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 79.46 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 643.31 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 10788.29 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 440.9 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 154.2 MB). Peak memory consumption was 595.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5128.64 ms. Allocated memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: 732.4 MB). Free memory was 1.3 GB in the beginning and 2.6 GB in the end (delta: -1.3 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 : 61 LocStat_MAX_WEQGRAPH_SIZE : 7 LocStat_MAX_SIZEOF_WEQEDGELABEL : 5 LocStat_NO_SUPPORTING_EQUALITIES : 1195 LocStat_NO_SUPPORTING_DISEQUALITIES : 401 LocStat_NO_DISJUNCTIONS : -122 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 63 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 57 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 63 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 6321.08 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 120 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 63 different actions 118 times. Merged at 32 different actions 53 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 : 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: 124]: 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, 63 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 105 SDtfs, 291 SDslu, 366 SDs, 0 SdLazy, 132 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=1, 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, 2 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 35490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/11 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/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_22-34-22-876.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_22-34-22-876.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_22-34-22-876.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...