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/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:17:10,707 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:17:10,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:17:10,721 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:17:10,721 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:17:10,722 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:17:10,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:17:10,725 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:17:10,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:17:10,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:17:10,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:17:10,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:17:10,730 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:17:10,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:17:10,732 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:17:10,733 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:17:10,733 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:17:10,735 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:17:10,737 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:17:10,739 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:17:10,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:17:10,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:17:10,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:17:10,744 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:17:10,744 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:17:10,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:17:10,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:17:10,747 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:17:10,748 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:17:10,749 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:17:10,749 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:17:10,750 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 15:17:10,750 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 15:17:10,750 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 15:17:10,752 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 15:17:10,752 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 15:17:10,753 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:17:10,766 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:17:10,766 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:17:10,767 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:17:10,767 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:17:10,767 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:17:10,768 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:17:10,768 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:17:10,769 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:17:10,769 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:17:10,769 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:17:10,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:17:10,769 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:17:10,770 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:17:10,770 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:17:10,771 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:17:10,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:17:10,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:17:10,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:17:10,839 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:17:10,839 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:17:10,840 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl [2018-10-10 15:17:10,840 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl' [2018-10-10 15:17:10,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:17:10,916 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:17:10,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:17:10,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:17:10,917 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:17:10,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:10" (1/1) ... [2018-10-10 15:17:10,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:10" (1/1) ... [2018-10-10 15:17:10,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:10" (1/1) ... [2018-10-10 15:17:10,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:10" (1/1) ... [2018-10-10 15:17:10,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:10" (1/1) ... [2018-10-10 15:17:10,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:10" (1/1) ... [2018-10-10 15:17:10,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:10" (1/1) ... [2018-10-10 15:17:10,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:17:10,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:17:10,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:17:10,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:17:10,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 15:17:11,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:17:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:17:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:17:11,641 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:17:11,642 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:17:11 BoogieIcfgContainer [2018-10-10 15:17:11,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:17:11,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:17:11,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:17:11,647 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:17:11,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:10" (1/2) ... [2018-10-10 15:17:11,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e25fe0 and model type ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:17:11, skipping insertion in model container [2018-10-10 15:17:11,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:17:11" (2/2) ... [2018-10-10 15:17:11,650 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl [2018-10-10 15:17:11,659 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:17:11,667 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:17:11,681 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:17:11,709 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:17:11,710 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:17:11,710 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:17:11,710 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:17:11,710 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:17:11,710 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:17:11,710 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:17:11,711 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:17:11,711 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:17:11,730 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-10-10 15:17:11,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-10 15:17:11,739 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:17:11,740 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] [2018-10-10 15:17:11,741 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:17:11,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:17:11,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1757681563, now seen corresponding path program 1 times [2018-10-10 15:17:11,799 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:17:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:17:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:17:12,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:17:12,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 15:17:12,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 15:17:12,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 15:17:12,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-10 15:17:12,114 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2018-10-10 15:17:12,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:17:12,529 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-10-10 15:17:12,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 15:17:12,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-10-10 15:17:12,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:17:12,544 INFO L225 Difference]: With dead ends: 134 [2018-10-10 15:17:12,544 INFO L226 Difference]: Without dead ends: 134 [2018-10-10 15:17:12,546 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-10 15:17:12,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-10-10 15:17:12,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 96. [2018-10-10 15:17:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-10 15:17:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-10 15:17:12,592 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 41 [2018-10-10 15:17:12,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:17:12,593 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-10-10 15:17:12,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 15:17:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-10 15:17:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-10 15:17:12,597 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:17:12,597 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:17:12,598 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:17:12,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:17:12,598 INFO L82 PathProgramCache]: Analyzing trace with hash -5093159, now seen corresponding path program 1 times [2018-10-10 15:17:12,599 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:17:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:17:13,603 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-10 15:17:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-10 15:17:14,338 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:17:14,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-10-10 15:17:14,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-10 15:17:14,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-10 15:17:14,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-10-10 15:17:14,342 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 19 states. [2018-10-10 15:17:15,673 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-10 15:17:16,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:17:16,213 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-10-10 15:17:16,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-10 15:17:16,214 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 95 [2018-10-10 15:17:16,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:17:16,216 INFO L225 Difference]: With dead ends: 94 [2018-10-10 15:17:16,216 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:17:16,217 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=276, Invalid=1130, Unknown=0, NotChecked=0, Total=1406 [2018-10-10 15:17:16,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:17:16,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:17:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:17:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:17:16,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2018-10-10 15:17:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:17:16,219 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:17:16,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-10 15:17:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:17:16,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:17:16,225 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:17:16 BoogieIcfgContainer [2018-10-10 15:17:16,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:17:16,227 INFO L168 Benchmark]: Toolchain (without parser) took 5311.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 288.1 MB). Peak memory consumption was 288.1 MB. Max. memory is 7.1 GB. [2018-10-10 15:17:16,229 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:17:16,229 INFO L168 Benchmark]: Boogie Preprocessor took 66.90 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:17:16,230 INFO L168 Benchmark]: RCFGBuilder took 653.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:17:16,232 INFO L168 Benchmark]: TraceAbstraction took 4582.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 256.4 MB). Peak memory consumption was 256.4 MB. Max. memory is 7.1 GB. [2018-10-10 15:17:16,236 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.90 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 653.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4582.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 256.4 MB). Peak memory consumption was 256.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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, 78 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 132 SDtfs, 587 SDslu, 603 SDs, 0 SdLazy, 318 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 38 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 97454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/20 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/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-17-16-249.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_10.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-17-16-249.csv Received shutdown request...