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/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:31:39,396 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:31:39,399 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:31:39,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:31:39,415 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:31:39,416 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:31:39,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:31:39,419 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:31:39,421 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:31:39,421 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:31:39,423 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:31:39,424 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:31:39,425 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:31:39,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:31:39,427 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:31:39,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:31:39,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:31:39,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:31:39,432 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:31:39,434 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:31:39,435 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:31:39,436 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:31:39,439 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:31:39,439 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:31:39,440 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:31:39,441 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:31:39,442 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:31:39,442 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:31:39,443 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:31:39,444 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:31:39,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:31:39,445 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 15:31:39,448 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 15:31:39,464 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:31:39,464 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:31:39,465 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:31:39,465 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:31:39,465 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:31:39,466 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:31:39,466 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:31:39,467 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:31:39,467 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:31:39,467 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:31:39,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:31:39,467 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:31:39,467 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:31:39,468 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:31:39,469 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:31:39,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:31:39,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:31:39,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:31:39,531 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:31:39,531 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:31:39,532 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-10 15:31:39,532 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-10 15:31:39,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:31:39,602 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:31:39,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:31:39,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:31:39,602 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:31:39,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:31:39" (1/1) ... [2018-10-10 15:31:39,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:31:39" (1/1) ... [2018-10-10 15:31:39,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:31:39" (1/1) ... [2018-10-10 15:31:39,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:31:39" (1/1) ... [2018-10-10 15:31:39,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:31:39" (1/1) ... [2018-10-10 15:31:39,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:31:39" (1/1) ... [2018-10-10 15:31:39,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:31:39" (1/1) ... [2018-10-10 15:31:39,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:31:39,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:31:39,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:31:39,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:31:39,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:31:39" (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 [2018-10-10 15:31:39,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:31:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:31:39,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:31:40,461 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:31:40,462 INFO L202 PluginConnector]: Adding new model cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:31:40 BoogieIcfgContainer [2018-10-10 15:31:40,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:31:40,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:31:40,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:31:40,467 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:31:40,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:31:39" (1/2) ... [2018-10-10 15:31:40,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe2fa19 and model type cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:31:40, skipping insertion in model container [2018-10-10 15:31:40,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:31:40" (2/2) ... [2018-10-10 15:31:40,471 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-10 15:31:40,481 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:31:40,495 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:31:40,514 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:31:40,548 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:31:40,549 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:31:40,550 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:31:40,550 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:31:40,550 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:31:40,550 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:31:40,550 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:31:40,550 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:31:40,551 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:31:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-10-10 15:31:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-10 15:31:40,599 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:31:40,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:31:40,608 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:31:40,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:31:40,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1085884432, now seen corresponding path program 1 times [2018-10-10 15:31:40,684 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:31:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:31:41,571 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 15:31:41,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:31:41,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-10 15:31:41,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-10 15:31:41,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-10 15:31:41,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-10-10 15:31:41,600 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 13 states. [2018-10-10 15:31:42,349 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-10 15:31:43,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:31:43,219 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-10-10 15:31:43,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-10 15:31:43,222 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2018-10-10 15:31:43,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:31:43,245 INFO L225 Difference]: With dead ends: 106 [2018-10-10 15:31:43,246 INFO L226 Difference]: Without dead ends: 106 [2018-10-10 15:31:43,249 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-10-10 15:31:43,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-10 15:31:43,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 84. [2018-10-10 15:31:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-10-10 15:31:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-10-10 15:31:43,311 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 59 [2018-10-10 15:31:43,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:31:43,312 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-10-10 15:31:43,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-10 15:31:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-10-10 15:31:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-10 15:31:43,318 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:31:43,318 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2018-10-10 15:31:43,320 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:31:43,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:31:43,321 INFO L82 PathProgramCache]: Analyzing trace with hash 447877052, now seen corresponding path program 1 times [2018-10-10 15:31:43,323 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:31:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:31:43,959 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-10 15:31:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:31:44,621 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:31:44,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-10 15:31:44,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-10 15:31:44,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-10 15:31:44,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2018-10-10 15:31:44,625 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 21 states. [2018-10-10 15:31:45,617 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-10 15:31:45,854 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-10 15:31:46,111 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2018-10-10 15:31:46,338 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-10 15:31:46,580 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-10 15:31:46,843 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2018-10-10 15:31:47,554 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2018-10-10 15:31:48,042 WARN L178 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2018-10-10 15:31:48,227 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-10 15:31:48,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:31:48,737 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-10-10 15:31:48,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 15:31:48,737 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 83 [2018-10-10 15:31:48,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:31:48,740 INFO L225 Difference]: With dead ends: 130 [2018-10-10 15:31:48,740 INFO L226 Difference]: Without dead ends: 130 [2018-10-10 15:31:48,742 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=384, Invalid=1338, Unknown=0, NotChecked=0, Total=1722 [2018-10-10 15:31:48,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-10-10 15:31:48,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 108. [2018-10-10 15:31:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-10 15:31:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-10-10 15:31:48,753 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 83 [2018-10-10 15:31:48,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:31:48,754 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-10-10 15:31:48,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-10 15:31:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-10-10 15:31:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-10 15:31:48,757 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:31:48,758 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-10-10 15:31:48,758 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:31:48,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:31:48,759 INFO L82 PathProgramCache]: Analyzing trace with hash -386296984, now seen corresponding path program 2 times [2018-10-10 15:31:48,760 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:31:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:31:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:31:50,763 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:31:50,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-10-10 15:31:50,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-10 15:31:50,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-10 15:31:50,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1249, Unknown=0, NotChecked=0, Total=1332 [2018-10-10 15:31:50,765 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 37 states. [2018-10-10 15:31:52,276 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-10-10 15:31:52,639 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-10 15:31:52,890 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-10-10 15:31:53,582 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2018-10-10 15:31:53,894 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2018-10-10 15:31:54,219 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2018-10-10 15:31:54,719 WARN L178 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-10-10 15:31:55,097 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-10-10 15:31:55,617 WARN L178 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2018-10-10 15:31:56,150 WARN L178 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2018-10-10 15:31:56,630 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2018-10-10 15:31:57,108 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2018-10-10 15:31:57,716 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 130 [2018-10-10 15:31:58,330 WARN L178 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2018-10-10 15:31:58,652 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-10 15:31:58,877 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-10 15:31:59,069 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-10 15:31:59,337 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-10 15:31:59,537 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2018-10-10 15:31:59,793 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-10 15:32:00,102 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-10 15:32:00,411 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-10 15:32:00,686 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-10 15:32:00,968 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-10-10 15:32:01,318 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2018-10-10 15:32:01,662 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-10-10 15:32:02,093 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-10-10 15:32:02,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:32:02,241 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-10-10 15:32:02,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-10-10 15:32:02,243 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 107 [2018-10-10 15:32:02,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:32:02,246 INFO L225 Difference]: With dead ends: 154 [2018-10-10 15:32:02,246 INFO L226 Difference]: Without dead ends: 154 [2018-10-10 15:32:02,249 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=928, Invalid=4924, Unknown=0, NotChecked=0, Total=5852 [2018-10-10 15:32:02,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-10-10 15:32:02,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2018-10-10 15:32:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-10 15:32:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-10-10 15:32:02,259 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 107 [2018-10-10 15:32:02,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:32:02,260 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-10-10 15:32:02,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-10-10 15:32:02,260 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-10-10 15:32:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-10 15:32:02,262 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:32:02,262 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 15:32:02,263 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:32:02,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:32:02,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1709452524, now seen corresponding path program 3 times [2018-10-10 15:32:02,264 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:32:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:32:04,187 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-10 15:32:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-10 15:32:04,694 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:32:04,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-10-10 15:32:04,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-10-10 15:32:04,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-10-10 15:32:04,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2018-10-10 15:32:04,696 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 40 states. [2018-10-10 15:32:05,766 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-10-10 15:32:06,048 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-10 15:32:06,241 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-10 15:32:06,459 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2018-10-10 15:32:06,682 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-10-10 15:32:06,909 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2018-10-10 15:32:07,152 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-10 15:32:07,431 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-10 15:32:07,990 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2018-10-10 15:32:08,299 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2018-10-10 15:32:08,742 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 118 [2018-10-10 15:32:09,135 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 115 [2018-10-10 15:32:09,596 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 118 [2018-10-10 15:32:10,098 WARN L178 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 121 [2018-10-10 15:32:10,598 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2018-10-10 15:32:11,013 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 120 [2018-10-10 15:32:11,283 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-10 15:32:11,503 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-10 15:32:11,683 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-10 15:32:11,852 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-10 15:32:12,094 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-10 15:32:12,314 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2018-10-10 15:32:12,621 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2018-10-10 15:32:13,231 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 94 [2018-10-10 15:32:13,626 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 97 [2018-10-10 15:32:14,064 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2018-10-10 15:32:14,326 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-10-10 15:32:14,559 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-10 15:32:14,774 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-10-10 15:32:14,967 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-10 15:32:15,242 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2018-10-10 15:32:15,596 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2018-10-10 15:32:15,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:32:15,609 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-10-10 15:32:15,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-10-10 15:32:15,613 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 131 [2018-10-10 15:32:15,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:32:15,614 INFO L225 Difference]: With dead ends: 130 [2018-10-10 15:32:15,614 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:32:15,616 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=1343, Invalid=5463, Unknown=0, NotChecked=0, Total=6806 [2018-10-10 15:32:15,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:32:15,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:32:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:32:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:32:15,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 131 [2018-10-10 15:32:15,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:32:15,617 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:32:15,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-10-10 15:32:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:32:15,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:32:15,622 INFO L202 PluginConnector]: Adding new model cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:32:15 BoogieIcfgContainer [2018-10-10 15:32:15,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:32:15,623 INFO L168 Benchmark]: Toolchain (without parser) took 36022.46 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 364.9 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 430.9 MB). Peak memory consumption was 795.8 MB. Max. memory is 7.1 GB. [2018-10-10 15:32:15,625 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 15:32:15,625 INFO L168 Benchmark]: Boogie Preprocessor took 56.97 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 15:32:15,626 INFO L168 Benchmark]: RCFGBuilder took 803.01 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 15:32:15,627 INFO L168 Benchmark]: TraceAbstraction took 35158.72 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 364.9 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 399.2 MB). Peak memory consumption was 764.1 MB. Max. memory is 7.1 GB. [2018-10-10 15:32:15,630 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 0.19 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 56.97 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 803.01 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 35158.72 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 364.9 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 399.2 MB). Peak memory consumption was 764.1 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, 79 locations, 1 error locations. SAFE Result, 35.0s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 28.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 230 SDtfs, 3492 SDslu, 2768 SDs, 0 SdLazy, 3737 SolverSat, 254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1812 ImplicationChecksByTransitivity, 27.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=3, 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, 4 MinimizatonAttempts, 66 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 546040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/138 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/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-32-15-641.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-32-15-641.csv Received shutdown request...