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/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 20:45:38,954 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 20:45:38,956 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 20:45:38,970 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 20:45:38,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 20:45:38,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 20:45:38,973 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 20:45:38,975 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 20:45:38,977 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 20:45:38,978 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 20:45:38,979 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 20:45:38,979 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 20:45:38,980 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 20:45:38,981 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 20:45:38,982 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 20:45:38,983 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 20:45:38,984 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 20:45:38,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 20:45:38,988 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 20:45:38,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 20:45:38,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 20:45:38,993 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 20:45:38,996 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 20:45:38,997 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 20:45:38,997 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 20:45:38,998 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 20:45:38,999 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 20:45:39,000 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 20:45:39,001 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 20:45:39,002 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 20:45:39,002 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 20:45:39,003 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 20:45:39,003 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 20:45:39,003 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 20:45:39,004 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 20:45:39,005 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 20:45:39,005 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 20:45:39,015 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 20:45:39,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 20:45:39,016 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 20:45:39,017 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 20:45:39,017 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 20:45:39,017 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 20:45:39,018 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 20:45:39,018 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 20:45:39,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 20:45:39,019 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 20:45:39,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 20:45:39,019 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 20:45:39,019 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 20:45:39,020 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 20:45:39,020 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 20:45:39,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 20:45:39,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 20:45:39,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 20:45:39,102 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 20:45:39,102 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 20:45:39,103 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl [2018-10-12 20:45:39,103 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl' [2018-10-12 20:45:39,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 20:45:39,189 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 20:45:39,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 20:45:39,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 20:45:39,190 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 20:45:39,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:45:39" (1/1) ... [2018-10-12 20:45:39,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:45:39" (1/1) ... [2018-10-12 20:45:39,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:45:39" (1/1) ... [2018-10-12 20:45:39,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:45:39" (1/1) ... [2018-10-12 20:45:39,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:45:39" (1/1) ... [2018-10-12 20:45:39,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:45:39" (1/1) ... [2018-10-12 20:45:39,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:45:39" (1/1) ... [2018-10-12 20:45:39,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 20:45:39,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 20:45:39,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 20:45:39,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 20:45:39,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:45:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-12 20:45:39,337 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 20:45:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 20:45:39,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 20:45:39,884 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 20:45:39,884 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:45:39 BoogieIcfgContainer [2018-10-12 20:45:39,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 20:45:39,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 20:45:39,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 20:45:39,890 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 20:45:39,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:45:39" (1/2) ... [2018-10-12 20:45:39,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1520284c and model type ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:45:39, skipping insertion in model container [2018-10-12 20:45:39,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:45:39" (2/2) ... [2018-10-12 20:45:39,894 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl [2018-10-12 20:45:39,905 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 20:45:39,915 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 20:45:39,933 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 20:45:39,964 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 20:45:39,965 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 20:45:39,966 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 20:45:39,966 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 20:45:39,966 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 20:45:39,966 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 20:45:39,966 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 20:45:39,966 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 20:45:39,967 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 20:45:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-10-12 20:45:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-12 20:45:40,012 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:45:40,014 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 20:45:40,015 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:45:40,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:45:40,023 INFO L82 PathProgramCache]: Analyzing trace with hash -986923786, now seen corresponding path program 1 times [2018-10-12 20:45:40,074 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:45:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:45:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 20:45:40,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 20:45:40,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-12 20:45:40,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 20:45:40,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 20:45:40,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-12 20:45:40,338 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 6 states. [2018-10-12 20:45:40,715 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-12 20:45:40,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:45:40,831 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-10-12 20:45:40,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-12 20:45:40,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-10-12 20:45:40,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:45:40,846 INFO L225 Difference]: With dead ends: 93 [2018-10-12 20:45:40,847 INFO L226 Difference]: Without dead ends: 92 [2018-10-12 20:45:40,849 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-12 20:45:40,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-12 20:45:40,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 72. [2018-10-12 20:45:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-10-12 20:45:40,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-10-12 20:45:40,892 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 45 [2018-10-12 20:45:40,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:45:40,893 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-10-12 20:45:40,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 20:45:40,894 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-10-12 20:45:40,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-12 20:45:40,896 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:45:40,896 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 20:45:40,897 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:45:40,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:45:40,897 INFO L82 PathProgramCache]: Analyzing trace with hash -579694461, now seen corresponding path program 1 times [2018-10-12 20:45:40,898 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:45:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:45:41,491 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-12 20:45:41,492 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 20:45:41,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-10-12 20:45:41,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-12 20:45:41,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-12 20:45:41,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-10-12 20:45:41,496 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 11 states. [2018-10-12 20:45:41,969 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-12 20:45:42,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:45:42,393 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-10-12 20:45:42,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-12 20:45:42,393 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2018-10-12 20:45:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:45:42,395 INFO L225 Difference]: With dead ends: 70 [2018-10-12 20:45:42,395 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 20:45:42,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2018-10-12 20:45:42,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 20:45:42,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 20:45:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 20:45:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 20:45:42,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-10-12 20:45:42,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:45:42,400 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 20:45:42,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-12 20:45:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 20:45:42,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 20:45:42,405 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:45:42 BoogieIcfgContainer [2018-10-12 20:45:42,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 20:45:42,406 INFO L168 Benchmark]: Toolchain (without parser) took 3218.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 137.5 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. [2018-10-12 20:45:42,407 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 20:45:42,408 INFO L168 Benchmark]: Boogie Preprocessor took 70.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 20:45:42,409 INFO L168 Benchmark]: RCFGBuilder took 624.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-12 20:45:42,410 INFO L168 Benchmark]: TraceAbstraction took 2519.38 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. [2018-10-12 20:45:42,413 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 0.20 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 70.00 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 624.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2519.38 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 105 SDtfs, 291 SDslu, 366 SDs, 0 SdLazy, 132 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 35490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/11 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_20-45-42-424.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_20-45-42-424.csv Received shutdown request...