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/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:26:55,231 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:26:55,234 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:26:55,251 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:26:55,251 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:26:55,253 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:26:55,254 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:26:55,256 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:26:55,257 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:26:55,258 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:26:55,259 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:26:55,259 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:26:55,260 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:26:55,261 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:26:55,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:26:55,263 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:26:55,264 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:26:55,266 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:26:55,268 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:26:55,269 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:26:55,270 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:26:55,271 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:26:55,274 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:26:55,274 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:26:55,274 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:26:55,275 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:26:55,276 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:26:55,277 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:26:55,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:26:55,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:26:55,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:26:55,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 16:26:55,282 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 16:26:55,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:26:55,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:26:55,294 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:26:55,294 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:26:55,294 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:26:55,294 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:26:55,295 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:26:55,295 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:26:55,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:26:55,296 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:26:55,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:26:55,296 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:26:55,296 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:26:55,297 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:26:55,298 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:26:55,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:26:55,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:26:55,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:26:55,359 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:26:55,360 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:26:55,361 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl [2018-10-14 16:26:55,361 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl' [2018-10-14 16:26:55,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:26:55,432 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:26:55,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:26:55,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:26:55,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:26:55,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:55" (1/1) ... [2018-10-14 16:26:55,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:55" (1/1) ... [2018-10-14 16:26:55,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:55" (1/1) ... [2018-10-14 16:26:55,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:55" (1/1) ... [2018-10-14 16:26:55,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:55" (1/1) ... [2018-10-14 16:26:55,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:55" (1/1) ... [2018-10-14 16:26:55,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:55" (1/1) ... [2018-10-14 16:26:55,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:26:55,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:26:55,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:26:55,496 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:26:55,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:55" (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 16:26:55,569 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:26:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:26:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:26:56,183 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:26:56,184 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:26:56 BoogieIcfgContainer [2018-10-14 16:26:56,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:26:56,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:26:56,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:26:56,189 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:26:56,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:55" (1/2) ... [2018-10-14 16:26:56,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f28bf9d and model type ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:26:56, skipping insertion in model container [2018-10-14 16:26:56,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:26:56" (2/2) ... [2018-10-14 16:26:56,193 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl [2018-10-14 16:26:56,201 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:26:56,209 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:26:56,226 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:26:56,253 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:26:56,253 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:26:56,254 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:26:56,254 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:26:56,254 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:26:56,254 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:26:56,254 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:26:56,254 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:26:56,255 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:26:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2018-10-14 16:26:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-14 16:26:56,282 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:26:56,283 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] [2018-10-14 16:26:56,285 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:26:56,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:26:56,291 INFO L82 PathProgramCache]: Analyzing trace with hash 915900346, now seen corresponding path program 1 times [2018-10-14 16:26:56,342 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:26:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:26:56,466 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 16:26:56,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:26:56,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-14 16:26:56,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-14 16:26:56,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-14 16:26:56,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-14 16:26:56,491 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2018-10-14 16:26:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:26:56,632 INFO L93 Difference]: Finished difference Result 110 states and 112 transitions. [2018-10-14 16:26:56,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-14 16:26:56,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-10-14 16:26:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:26:56,645 INFO L225 Difference]: With dead ends: 110 [2018-10-14 16:26:56,645 INFO L226 Difference]: Without dead ends: 110 [2018-10-14 16:26:56,647 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-14 16:26:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-14 16:26:56,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 73. [2018-10-14 16:26:56,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-10-14 16:26:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2018-10-14 16:26:56,690 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 33 [2018-10-14 16:26:56,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:26:56,690 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2018-10-14 16:26:56,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-14 16:26:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-10-14 16:26:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-14 16:26:56,693 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:26:56,693 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] [2018-10-14 16:26:56,694 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:26:56,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:26:56,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1100955027, now seen corresponding path program 1 times [2018-10-14 16:26:56,695 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:26:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:26:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:26:56,862 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:26:56,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-14 16:26:56,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-14 16:26:56,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-14 16:26:56,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-14 16:26:56,866 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 5 states. [2018-10-14 16:26:57,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:26:57,396 INFO L93 Difference]: Finished difference Result 149 states and 152 transitions. [2018-10-14 16:26:57,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-14 16:26:57,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2018-10-14 16:26:57,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:26:57,399 INFO L225 Difference]: With dead ends: 149 [2018-10-14 16:26:57,399 INFO L226 Difference]: Without dead ends: 149 [2018-10-14 16:26:57,400 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-14 16:26:57,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-10-14 16:26:57,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 112. [2018-10-14 16:26:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-14 16:26:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 114 transitions. [2018-10-14 16:26:57,417 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 114 transitions. Word has length 58 [2018-10-14 16:26:57,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:26:57,418 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 114 transitions. [2018-10-14 16:26:57,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-14 16:26:57,419 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 114 transitions. [2018-10-14 16:26:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-14 16:26:57,422 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:26:57,422 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:26:57,423 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:26:57,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:26:57,423 INFO L82 PathProgramCache]: Analyzing trace with hash 359964122, now seen corresponding path program 2 times [2018-10-14 16:26:57,424 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:26:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:26:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-14 16:26:57,598 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:26:57,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-14 16:26:57,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 16:26:57,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 16:26:57,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:26:57,600 INFO L87 Difference]: Start difference. First operand 112 states and 114 transitions. Second operand 6 states. [2018-10-14 16:26:57,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:26:57,918 INFO L93 Difference]: Finished difference Result 159 states and 164 transitions. [2018-10-14 16:26:57,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-14 16:26:57,918 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-10-14 16:26:57,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:26:57,920 INFO L225 Difference]: With dead ends: 159 [2018-10-14 16:26:57,920 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:26:57,920 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:26:57,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:26:57,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:26:57,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:26:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:26:57,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2018-10-14 16:26:57,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:26:57,922 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:26:57,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 16:26:57,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:26:57,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:26:57,928 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:26:57 BoogieIcfgContainer [2018-10-14 16:26:57,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:26:57,930 INFO L168 Benchmark]: Toolchain (without parser) took 2498.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2018-10-14 16:26:57,932 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:26:57,933 INFO L168 Benchmark]: Boogie Preprocessor took 62.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:26:57,934 INFO L168 Benchmark]: RCFGBuilder took 688.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2018-10-14 16:26:57,935 INFO L168 Benchmark]: TraceAbstraction took 1743.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-10-14 16:26:57,939 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 688.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1743.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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, 74 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 252 SDtfs, 244 SDslu, 408 SDs, 0 SdLazy, 115 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 74 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 28621 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 21/28 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/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-26-57-950.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_11.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-26-57-950.csv Received shutdown request...