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/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 20:46:30,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 20:46:30,992 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 20:46:31,005 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 20:46:31,006 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 20:46:31,007 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 20:46:31,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 20:46:31,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 20:46:31,014 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 20:46:31,015 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 20:46:31,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 20:46:31,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 20:46:31,018 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 20:46:31,019 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 20:46:31,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 20:46:31,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 20:46:31,022 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 20:46:31,024 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 20:46:31,026 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 20:46:31,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 20:46:31,029 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 20:46:31,030 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 20:46:31,032 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 20:46:31,033 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 20:46:31,033 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 20:46:31,034 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 20:46:31,035 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 20:46:31,036 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 20:46:31,036 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 20:46:31,037 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 20:46:31,038 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 20:46:31,038 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-12 20:46:31,041 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 20:46:31,051 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 20:46:31,052 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 20:46:31,052 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 20:46:31,053 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 20:46:31,053 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 20:46:31,053 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 20:46:31,054 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 20:46:31,054 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 20:46:31,054 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 20:46:31,054 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 20:46:31,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 20:46:31,055 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 20:46:31,055 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 20:46:31,056 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 20:46:31,056 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 20:46:31,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 20:46:31,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 20:46:31,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 20:46:31,132 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 20:46:31,133 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 20:46:31,133 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl [2018-10-12 20:46:31,133 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl' [2018-10-12 20:46:31,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 20:46:31,218 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 20:46:31,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 20:46:31,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 20:46:31,219 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 20:46:31,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:46:31" (1/1) ... [2018-10-12 20:46:31,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:46:31" (1/1) ... [2018-10-12 20:46:31,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:46:31" (1/1) ... [2018-10-12 20:46:31,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:46:31" (1/1) ... [2018-10-12 20:46:31,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:46:31" (1/1) ... [2018-10-12 20:46:31,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:46:31" (1/1) ... [2018-10-12 20:46:31,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:46:31" (1/1) ... [2018-10-12 20:46:31,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 20:46:31,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 20:46:31,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 20:46:31,272 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 20:46:31,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:46:31" (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 20:46:31,345 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 20:46:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 20:46:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 20:46:31,830 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 20:46:31,831 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:46:31 BoogieIcfgContainer [2018-10-12 20:46:31,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 20:46:31,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 20:46:31,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 20:46:31,837 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 20:46:31,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:46:31" (1/2) ... [2018-10-12 20:46:31,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421b3b5b and model type ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:46:31, skipping insertion in model container [2018-10-12 20:46:31,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:46:31" (2/2) ... [2018-10-12 20:46:31,848 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_true-valid-memsafety.c_8.bpl [2018-10-12 20:46:31,859 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 20:46:31,869 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 20:46:31,888 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 20:46:31,921 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 20:46:31,922 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 20:46:31,922 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 20:46:31,922 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 20:46:31,923 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 20:46:31,923 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 20:46:31,923 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 20:46:31,923 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 20:46:31,923 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 20:46:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-10-12 20:46:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-12 20:46:31,963 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:46:31,964 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] [2018-10-12 20:46:31,965 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:46:31,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:46:31,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1958222407, now seen corresponding path program 1 times [2018-10-12 20:46:32,032 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:46:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:46:32,220 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 20:46:32,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 20:46:32,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-12 20:46:32,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 20:46:32,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 20:46:32,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-12 20:46:32,247 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 6 states. [2018-10-12 20:46:32,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:46:32,785 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-10-12 20:46:32,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-12 20:46:32,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-10-12 20:46:32,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:46:32,799 INFO L225 Difference]: With dead ends: 79 [2018-10-12 20:46:32,800 INFO L226 Difference]: Without dead ends: 78 [2018-10-12 20:46:32,802 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-12 20:46:32,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-10-12 20:46:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 59. [2018-10-12 20:46:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-10-12 20:46:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-10-12 20:46:32,845 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 32 [2018-10-12 20:46:32,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:46:32,846 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-10-12 20:46:32,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 20:46:32,846 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-10-12 20:46:32,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-12 20:46:32,849 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:46:32,850 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] [2018-10-12 20:46:32,850 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:46:32,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:46:32,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1202456858, now seen corresponding path program 1 times [2018-10-12 20:46:32,852 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:46:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:46:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 20:46:33,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 20:46:33,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-12 20:46:33,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-12 20:46:33,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-12 20:46:33,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-12 20:46:33,062 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 8 states. [2018-10-12 20:46:33,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:46:33,439 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-10-12 20:46:33,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-12 20:46:33,439 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-10-12 20:46:33,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:46:33,440 INFO L225 Difference]: With dead ends: 76 [2018-10-12 20:46:33,441 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 20:46:33,442 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-10-12 20:46:33,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 20:46:33,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 20:46:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 20:46:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 20:46:33,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-10-12 20:46:33,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:46:33,444 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 20:46:33,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-12 20:46:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 20:46:33,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 20:46:33,449 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:46:33 BoogieIcfgContainer [2018-10-12 20:46:33,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 20:46:33,450 INFO L168 Benchmark]: Toolchain (without parser) took 2233.25 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-12 20:46:33,452 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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 20:46:33,453 INFO L168 Benchmark]: Boogie Preprocessor took 52.58 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 20:46:33,454 INFO L168 Benchmark]: RCFGBuilder took 559.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-12 20:46:33,455 INFO L168 Benchmark]: TraceAbstraction took 1615.72 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-12 20:46:33,459 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 0.15 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 52.58 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 559.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1615.72 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: 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, 50 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 140 SDslu, 364 SDs, 0 SdLazy, 120 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 11514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 11/11 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/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_20-46-33-471.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_20-46-33-471.csv Received shutdown request...