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_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:07:16,030 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:07:16,032 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:07:16,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:07:16,044 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:07:16,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:07:16,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:07:16,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:07:16,050 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:07:16,051 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:07:16,052 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:07:16,052 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:07:16,053 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:07:16,054 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:07:16,055 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:07:16,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:07:16,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:07:16,058 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:07:16,060 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:07:16,062 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:07:16,063 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:07:16,065 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:07:16,067 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:07:16,067 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:07:16,068 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:07:16,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:07:16,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:07:16,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:07:16,071 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:07:16,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:07:16,073 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:07:16,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 18:07:16,074 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 18:07:16,074 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 18:07:16,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 18:07:16,076 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 18:07:16,077 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 18:07:16,087 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:07:16,087 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:07:16,088 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:07:16,088 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:07:16,088 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:07:16,088 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:07:16,089 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:07:16,089 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:07:16,090 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:07:16,090 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:07:16,090 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:07:16,090 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:07:16,090 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:07:16,091 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:07:16,091 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:07:16,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:07:16,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:07:16,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:07:16,152 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:07:16,152 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:07:16,153 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl [2018-10-14 18:07:16,153 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl' [2018-10-14 18:07:16,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:07:16,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:07:16,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:07:16,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:07:16,235 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:07:16,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:16" (1/1) ... [2018-10-14 18:07:16,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:16" (1/1) ... [2018-10-14 18:07:16,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:16" (1/1) ... [2018-10-14 18:07:16,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:16" (1/1) ... [2018-10-14 18:07:16,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:16" (1/1) ... [2018-10-14 18:07:16,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:16" (1/1) ... [2018-10-14 18:07:16,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:16" (1/1) ... [2018-10-14 18:07:16,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:07:16,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:07:16,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:07:16,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:07:16,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 18:07:16,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:07:16,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:07:16,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:07:16,841 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:07:16,842 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:07:16 BoogieIcfgContainer [2018-10-14 18:07:16,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:07:16,843 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:07:16,843 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:07:16,844 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:07:16,847 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:07:16" (1/1) ... [2018-10-14 18:07:16,857 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:07:16,857 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:07:16,897 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:07:16,976 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:07:16,996 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:07:17,095 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:07:23,269 INFO L315 AbstractInterpreter]: Visited 59 different actions 117 times. Merged at 28 different actions 56 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:07:23,272 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:07:23,277 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:07:23,332 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]];) [2018-10-14 18:07:23,336 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:07:23,336 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:07:23,337 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:07:23,337 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:07:23,337 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:07:23,337 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:07:23,337 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:07:23,338 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:07:23,341 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:07:23,341 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:07:23,341 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:07:23,342 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:07:23,342 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:07:23,342 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:07:23,342 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:07:23,344 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:07:23,359 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:07:23 BasicIcfg [2018-10-14 18:07:23,360 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:07:23,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:07:23,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:07:23,364 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:07:23,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:07:16" (1/3) ... [2018-10-14 18:07:23,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff54051 and model type ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:07:23, skipping insertion in model container [2018-10-14 18:07:23,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:07:16" (2/3) ... [2018-10-14 18:07:23,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff54051 and model type ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:07:23, skipping insertion in model container [2018-10-14 18:07:23,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:07:23" (3/3) ... [2018-10-14 18:07:23,369 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:07:23,379 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:07:23,388 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:07:23,407 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:07:23,433 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:07:23,434 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:07:23,434 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:07:23,435 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:07:23,435 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:07:23,435 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:07:23,435 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:07:23,435 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:07:23,436 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:07:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-14 18:07:23,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-14 18:07:23,460 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:07:23,461 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] [2018-10-14 18:07:23,462 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:07:23,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:07:23,468 INFO L82 PathProgramCache]: Analyzing trace with hash 421859866, now seen corresponding path program 1 times [2018-10-14 18:07:23,536 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:07:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:07:24,168 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-14 18:07:24,353 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-14 18:07:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:07:25,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:07:25,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-14 18:07:25,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-14 18:07:25,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-14 18:07:25,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-14 18:07:25,127 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 12 states. [2018-10-14 18:07:25,818 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-14 18:07:26,103 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-14 18:07:26,924 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-14 18:07:26,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:07:26,970 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-10-14 18:07:26,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-14 18:07:26,972 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2018-10-14 18:07:26,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:07:26,986 INFO L225 Difference]: With dead ends: 99 [2018-10-14 18:07:26,986 INFO L226 Difference]: Without dead ends: 99 [2018-10-14 18:07:26,988 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2018-10-14 18:07:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-14 18:07:27,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 75. [2018-10-14 18:07:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-10-14 18:07:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-10-14 18:07:27,032 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 48 [2018-10-14 18:07:27,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:07:27,033 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-10-14 18:07:27,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-14 18:07:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-10-14 18:07:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-14 18:07:27,038 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:07:27,038 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:07:27,039 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:07:27,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:07:27,039 INFO L82 PathProgramCache]: Analyzing trace with hash -425128021, now seen corresponding path program 1 times [2018-10-14 18:07:27,041 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:07:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:07:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:07:27,271 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:07:27,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-14 18:07:27,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-14 18:07:27,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-14 18:07:27,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-14 18:07:27,275 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 8 states. [2018-10-14 18:07:27,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:07:27,572 INFO L93 Difference]: Finished difference Result 66 states and 65 transitions. [2018-10-14 18:07:27,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-14 18:07:27,573 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 74 [2018-10-14 18:07:27,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:07:27,574 INFO L225 Difference]: With dead ends: 66 [2018-10-14 18:07:27,574 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:07:27,575 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-10-14 18:07:27,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:07:27,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:07:27,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:07:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:07:27,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2018-10-14 18:07:27,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:07:27,576 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:07:27,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-14 18:07:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:07:27,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:07:27,581 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:07:27 BasicIcfg [2018-10-14 18:07:27,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:07:27,582 INFO L168 Benchmark]: Toolchain (without parser) took 11349.30 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -981.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB. [2018-10-14 18:07:27,584 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-10-14 18:07:27,584 INFO L168 Benchmark]: Boogie Preprocessor took 53.82 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. [2018-10-14 18:07:27,585 INFO L168 Benchmark]: RCFGBuilder took 553.18 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. [2018-10-14 18:07:27,585 INFO L168 Benchmark]: IcfgTransformer took 6517.24 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 1.7 GB in the end (delta: -272.3 MB). Peak memory consumption was 168.6 MB. Max. memory is 7.1 GB. [2018-10-14 18:07:27,587 INFO L168 Benchmark]: TraceAbstraction took 4220.61 ms. Allocated memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: 612.9 MB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -730.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:07:27,591 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 0.22 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 53.82 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 553.18 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 6517.24 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 1.7 GB in the end (delta: -272.3 MB). Peak memory consumption was 168.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4220.61 ms. Allocated memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: 612.9 MB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -730.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 57 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1090 LocStat_NO_SUPPORTING_DISEQUALITIES : 367 LocStat_NO_DISJUNCTIONS : -114 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 59 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 53 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 59 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 3265.28 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 119 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 59 different actions 117 times. Merged at 28 different actions 56 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 : 1 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: 117]: 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, 59 locations, 1 error locations. SAFE Result, 4.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 292 SDslu, 460 SDs, 0 SdLazy, 198 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 31985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 7/18 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_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-07-27-607.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-07-27-607.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-07-27-607.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...