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_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:30:33,441 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:30:33,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:30:33,460 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:30:33,460 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:30:33,461 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:30:33,463 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:30:33,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:30:33,466 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:30:33,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:30:33,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-14 16:30:33,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:30:33,483 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:30:33,485 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:30:33,486 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:30:33,486 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:30:33,487 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:30:33,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:30:33,489 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:30:33,489 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 16:30:33,492 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 16:30:33,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:30:33,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:30:33,503 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:30:33,503 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:30:33,504 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:30:33,504 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:30:33,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:30:33,505 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:30:33,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:30:33,505 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:30:33,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:30:33,506 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:30:33,506 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:30:33,507 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:30:33,507 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:30:33,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:30:33,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:30:33,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:30:33,605 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:30:33,606 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:30:33,606 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl [2018-10-14 16:30:33,607 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl' [2018-10-14 16:30:33,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:30:33,679 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:30:33,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:30:33,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:30:33,680 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:30:33,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:33" (1/1) ... [2018-10-14 16:30:33,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:33" (1/1) ... [2018-10-14 16:30:33,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:33" (1/1) ... [2018-10-14 16:30:33,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:33" (1/1) ... [2018-10-14 16:30:33,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:33" (1/1) ... [2018-10-14 16:30:33,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:33" (1/1) ... [2018-10-14 16:30:33,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:33" (1/1) ... [2018-10-14 16:30:33,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:30:33,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:30:33,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:30:33,729 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:30:33,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:33" (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 16:30:33,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:30:33,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:30:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:30:34,316 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:30:34,317 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:30:34 BoogieIcfgContainer [2018-10-14 16:30:34,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:30:34,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:30:34,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:30:34,324 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:30:34,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:33" (1/2) ... [2018-10-14 16:30:34,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7779e0 and model type ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:30:34, skipping insertion in model container [2018-10-14 16:30:34,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:30:34" (2/2) ... [2018-10-14 16:30:34,329 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl [2018-10-14 16:30:34,340 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:30:34,351 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:30:34,369 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:30:34,405 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:30:34,406 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:30:34,406 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:30:34,406 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:30:34,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:30:34,406 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:30:34,407 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:30:34,408 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:30:34,408 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:30:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-10-14 16:30:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-14 16:30:34,453 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:30:34,455 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] [2018-10-14 16:30:34,456 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:30:34,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:30:34,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1854524323, now seen corresponding path program 1 times [2018-10-14 16:30:34,531 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:30:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:30:34,726 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 16:30:34,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:30:34,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-14 16:30:34,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-14 16:30:34,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-14 16:30:34,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-14 16:30:34,749 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 3 states. [2018-10-14 16:30:34,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:30:34,864 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-10-14 16:30:34,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-14 16:30:34,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-14 16:30:34,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:30:34,878 INFO L225 Difference]: With dead ends: 67 [2018-10-14 16:30:34,878 INFO L226 Difference]: Without dead ends: 67 [2018-10-14 16:30:34,880 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 16:30:34,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-10-14 16:30:34,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2018-10-14 16:30:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-14 16:30:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-10-14 16:30:34,919 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 39 [2018-10-14 16:30:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:30:34,919 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-10-14 16:30:34,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-14 16:30:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-10-14 16:30:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-14 16:30:34,922 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:30:34,922 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:30:34,922 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:30:34,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:30:34,923 INFO L82 PathProgramCache]: Analyzing trace with hash -306683811, now seen corresponding path program 1 times [2018-10-14 16:30:34,924 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:30:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:30:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:30:35,109 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:30:35,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-14 16:30:35,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-14 16:30:35,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-14 16:30:35,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-14 16:30:35,117 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 5 states. [2018-10-14 16:30:35,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:30:35,455 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-10-14 16:30:35,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-14 16:30:35,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-10-14 16:30:35,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:30:35,458 INFO L225 Difference]: With dead ends: 82 [2018-10-14 16:30:35,458 INFO L226 Difference]: Without dead ends: 82 [2018-10-14 16:30:35,459 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-14 16:30:35,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-10-14 16:30:35,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 70. [2018-10-14 16:30:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-10-14 16:30:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-10-14 16:30:35,468 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 54 [2018-10-14 16:30:35,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:30:35,469 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-10-14 16:30:35,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-14 16:30:35,469 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-10-14 16:30:35,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-14 16:30:35,471 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:30:35,472 INFO L375 BasicCegarLoop]: trace histogram [3, 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] [2018-10-14 16:30:35,472 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:30:35,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:30:35,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1526038429, now seen corresponding path program 2 times [2018-10-14 16:30:35,474 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:30:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:30:35,917 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:30:35,918 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:30:35,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-14 16:30:35,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-14 16:30:35,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-14 16:30:35,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-14 16:30:35,920 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 10 states. [2018-10-14 16:30:36,365 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-14 16:30:36,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:30:36,695 INFO L93 Difference]: Finished difference Result 67 states and 66 transitions. [2018-10-14 16:30:36,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-14 16:30:36,696 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2018-10-14 16:30:36,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:30:36,698 INFO L225 Difference]: With dead ends: 67 [2018-10-14 16:30:36,698 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:30:36,699 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2018-10-14 16:30:36,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:30:36,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:30:36,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:30:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:30:36,700 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-10-14 16:30:36,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:30:36,701 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:30:36,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-14 16:30:36,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:30:36,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:30:36,707 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:30:36 BoogieIcfgContainer [2018-10-14 16:30:36,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:30:36,708 INFO L168 Benchmark]: Toolchain (without parser) took 3030.28 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-10-14 16:30:36,710 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.29 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 16:30:36,711 INFO L168 Benchmark]: Boogie Preprocessor took 48.66 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 16:30:36,712 INFO L168 Benchmark]: RCFGBuilder took 588.46 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-14 16:30:36,713 INFO L168 Benchmark]: TraceAbstraction took 2388.88 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: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2018-10-14 16:30:36,717 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 0.29 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 48.66 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 588.46 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2388.88 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: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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, 55 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 155 SDtfs, 124 SDslu, 396 SDs, 0 SdLazy, 141 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred 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, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 25339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 4/21 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_6.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-30-36-730.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-30-36-730.csv Received shutdown request...