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_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 20:44:25,235 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 20:44:25,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 20:44:25,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 20:44:25,250 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 20:44:25,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 20:44:25,252 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 20:44:25,254 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 20:44:25,256 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 20:44:25,256 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 20:44:25,257 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 20:44:25,258 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 20:44:25,259 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 20:44:25,260 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 20:44:25,261 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 20:44:25,262 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 20:44:25,262 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 20:44:25,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 20:44:25,266 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 20:44:25,268 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 20:44:25,269 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 20:44:25,270 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 20:44:25,273 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 20:44:25,273 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 20:44:25,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 20:44:25,274 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 20:44:25,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 20:44:25,276 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 20:44:25,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 20:44:25,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 20:44:25,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 20:44:25,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 20:44:25,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 20:44:25,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 20:44:25,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 20:44:25,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 20:44:25,283 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 20:44:25,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 20:44:25,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 20:44:25,303 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 20:44:25,304 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 20:44:25,304 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 20:44:25,304 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 20:44:25,307 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 20:44:25,307 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 20:44:25,308 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 20:44:25,308 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 20:44:25,308 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 20:44:25,308 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 20:44:25,309 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 20:44:25,309 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 20:44:25,311 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 20:44:25,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 20:44:25,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 20:44:25,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 20:44:25,393 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 20:44:25,393 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 20:44:25,394 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl [2018-10-12 20:44:25,395 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl' [2018-10-12 20:44:25,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 20:44:25,490 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 20:44:25,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 20:44:25,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 20:44:25,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 20:44:25,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:25" (1/1) ... [2018-10-12 20:44:25,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:25" (1/1) ... [2018-10-12 20:44:25,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:25" (1/1) ... [2018-10-12 20:44:25,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:25" (1/1) ... [2018-10-12 20:44:25,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:25" (1/1) ... [2018-10-12 20:44:25,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:25" (1/1) ... [2018-10-12 20:44:25,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:25" (1/1) ... [2018-10-12 20:44:25,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 20:44:25,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 20:44:25,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 20:44:25,572 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 20:44:25,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:25" (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 20:44:25,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 20:44:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 20:44:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 20:44:26,231 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 20:44:26,232 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:44:26 BoogieIcfgContainer [2018-10-12 20:44:26,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 20:44:26,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 20:44:26,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 20:44:26,237 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 20:44:26,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:25" (1/2) ... [2018-10-12 20:44:26,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5839e and model type ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:44:26, skipping insertion in model container [2018-10-12 20:44:26,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:44:26" (2/2) ... [2018-10-12 20:44:26,240 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl [2018-10-12 20:44:26,250 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 20:44:26,259 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 20:44:26,276 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 20:44:26,305 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 20:44:26,306 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 20:44:26,306 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 20:44:26,306 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 20:44:26,306 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 20:44:26,307 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 20:44:26,307 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 20:44:26,307 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 20:44:26,307 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 20:44:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-10-12 20:44:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-12 20:44:26,337 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:44:26,338 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 20:44:26,339 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:44:26,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:44:26,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1414670852, now seen corresponding path program 1 times [2018-10-12 20:44:26,399 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:44:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:44:27,034 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 20:44:27,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 20:44:27,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-12 20:44:27,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-12 20:44:27,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-12 20:44:27,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-12 20:44:27,062 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 10 states. [2018-10-12 20:44:27,896 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-12 20:44:28,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:44:28,061 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-10-12 20:44:28,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-12 20:44:28,063 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2018-10-12 20:44:28,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:44:28,078 INFO L225 Difference]: With dead ends: 146 [2018-10-12 20:44:28,079 INFO L226 Difference]: Without dead ends: 143 [2018-10-12 20:44:28,081 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2018-10-12 20:44:28,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-10-12 20:44:28,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 105. [2018-10-12 20:44:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-10-12 20:44:28,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-10-12 20:44:28,138 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 50 [2018-10-12 20:44:28,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:44:28,139 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-10-12 20:44:28,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-12 20:44:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-10-12 20:44:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-12 20:44:28,146 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:44:28,149 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 20:44:28,150 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:44:28,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:44:28,151 INFO L82 PathProgramCache]: Analyzing trace with hash 955263614, now seen corresponding path program 1 times [2018-10-12 20:44:28,153 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:44:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:44:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-12 20:44:28,975 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 20:44:28,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-10-12 20:44:28,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-12 20:44:28,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-12 20:44:28,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2018-10-12 20:44:28,979 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 16 states. [2018-10-12 20:44:29,954 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-10-12 20:44:30,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:44:30,724 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-10-12 20:44:30,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-12 20:44:30,725 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 104 [2018-10-12 20:44:30,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:44:30,727 INFO L225 Difference]: With dead ends: 103 [2018-10-12 20:44:30,730 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 20:44:30,732 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=365, Invalid=967, Unknown=0, NotChecked=0, Total=1332 [2018-10-12 20:44:30,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 20:44:30,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 20:44:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 20:44:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 20:44:30,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2018-10-12 20:44:30,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:44:30,734 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 20:44:30,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-12 20:44:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 20:44:30,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 20:44:30,739 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:44:30 BoogieIcfgContainer [2018-10-12 20:44:30,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 20:44:30,740 INFO L168 Benchmark]: Toolchain (without parser) took 5251.62 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: 288.2 MB). Peak memory consumption was 288.2 MB. Max. memory is 7.1 GB. [2018-10-12 20:44:30,742 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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 20:44:30,743 INFO L168 Benchmark]: Boogie Preprocessor took 80.16 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 20:44:30,743 INFO L168 Benchmark]: RCFGBuilder took 661.05 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. [2018-10-12 20:44:30,744 INFO L168 Benchmark]: TraceAbstraction took 4505.92 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: 256.5 MB). Peak memory consumption was 256.5 MB. Max. memory is 7.1 GB. [2018-10-12 20:44:30,748 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 0.24 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 80.16 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 661.05 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 4505.92 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: 256.5 MB). Peak memory consumption was 256.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 161]: 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, 87 locations, 1 error locations. SAFE Result, 4.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 141 SDtfs, 1002 SDslu, 809 SDs, 0 SdLazy, 331 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 66416 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_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_20-44-30-759.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_20-44-30-759.csv Received shutdown request...